2. Normative Reference
The following documents contain contents which, through reference in this text, composite provisions of this standard. For dated reference, subsequent amendments (excepting corrigenda content) to, or revisions of, any of these publications do not apply. Parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, the latest edition of the normative document referred to applies.
GB/T 116 Specifications for Rivet
GB/T 699 Quality Carbon Structure Steel
GB/T 700 Carbon Structural Steels
GB/T 985 Basic Forms and Sizes of Weld Grooves for Gas Welding Manual Arc Welding and Gas-shielded Arc Welding
GB/T986 Basic Forms and Sizes of Weld Grooves for Submerged Arc Welding
GB/T 117 Specification for Cast Copper Alloys
GB/T 1231 Specifications of High Strength Bolts with Large Hexagon Head, Large Hexagon Nuts and Plain Washers for Steel Structures
GB/T 1348 Spheroidal Graphite Iron Castings
GB/T 3077 Alloy Structure Steels
GB/T 3098.1 Mechanical Properties of Fasteners - Bolts, Screws and Studs
GB/T 3098.2 Mechanical Properties of Fasteners: Nuts - Coarse Thread
GB/T 3098.3 Mechanical Properties of Fasteners - Set Screws
GB/T 3098.4 Mechanical properties of fasteners-Nuts-Fine pitch thread
GB/T 3098.6 Mechanical properties of fasteners-Bolts, screws and studs made of stainless-steel
GB/T 3633 Technical requirement for sets of torshear type high strength bolt hexagon nut and plain washer for steel structures
GB/T 5117 Carbon steel covered electrodes
GB/T 5118 Low alloy steel covered electrodes
GB/T 9439 Grey iron castings
GB/T 11352 Carbon steel castings for general engineering purposes
GB/T 13098 Ethylene oxide for industrial use
GB/T 14039 Hydraulic fluid power-Fluids-Method for coding level of contamination by solid particles
JB/ZQ 4297 Alloy Casting Steel
JB/ZQ 4295 Stainless Steel, Acidproof, Heat-resisting Forging Steel
ISO 4406 Hydraulic fluid power -- Fluids -- Method for coding the level of contamination by solid particles
NAS 1638 Hydraulic fluid power -- Fluids -- Method for coding the level of contamination by solid particles
2008/10/24
GBT 8162-1999 结构用无缝钢管
2. Normative References
Articles contained in the following standards have been quoted by this standard and become part of this standard. At time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.
GB/T222-1984 Method of Sampling Steel for Determination of Chemical Composition and Permissible Variations for Product Analysis
GB/T223.5-1997 Methods for Chemical Analysis of Iron, Steel and Alloy. The Reduced Molybdo-silicate Spectro-photometric Method for the Determination of Acid-soluble Silicon Content
GB/T223.11-1991 Methods for Chemical Analysis of Iron, Steel and Alloy - The Ammonium Persulfate Oxidation Volumetric Method for the Determination of Chromium Content
GB/T223.12-1991 Methods for Chemical Analysis of Iron, Steel and Alloy- the Sodium Carbonate Separation-diphenyl Carbazide Photometric Method for the Determination of Chromium Content
GB/T223.14-1989 Methods for Chemical Analysis of Iron, Steel and Alloy-The N-benzoyl-N-phenylhydroxylamine Extraction Photometric Method for the Determination of Vanadium Content
GB/T223.16-1991 Methods for Chemical Analysis of Iron, Steel and Alloy-The Chromotropic Acid Photometric Method for the Determination of Titanium Content
GB/T223.25-1194 Methods for Chemical Analysis of Iron, Steel and Alloy-The Dimethylglyoxime Gravimetric Method for the Determination of Nickel Content
GB/T223.26-1989 Methods for Chemical Analysis of Iron, Steel and Alloy-The Thiocyanate Direct Photometric Method for the Determination of Molybdenum Content
CUB/T223.54-1987 Methods for Chemical Analysis of Iron, Steel and Alloy--The Flame Atomic Absorption Spectrophotometric Method for the Determination of Nickel Content
GB/T223.60-1997 Methods for Chemical Analysis of Iron, Steel and Alloy--The Perchloric Acid Dehydration Gravimetric Method for the Determination of Silicon Content
GB/T223.62-1988 Methods for Chemical analysis of Iron, Steel and Alloy--The Butyl Acetate Extraction Photometric Method for the Determination of Phosphorus Content
GB/T223.64-1988 Methods for Chemical Analysis of Iron, Steel and Alloy--The Flame Atomic Absorption Spectrometric Method for the Determination of Manganese Content
GB/T223.69-1997 Methods for Chemical Analysis of Iron, Steel and Alloy- The Gas-volumetric Method after Combustion in the Tube Furnace for the Determination of Carbon Content
GB/T223.72-1991 Methods for Chemical Analysis of Iron, Steel and Alloy-The Alumina Chromatographic Separation-barium Sulfate Gravimetric Method for the Determination of Sulphur Content
GB/T223.75-1991 Methods for Chemical Analysis of Iron, Steel and Alloy-The Methanol Distillation-curcumin Photometric Method for the Determination of Boron Content
GB/T228-1987 Standard Test Methods for Tension Testing of Metallic Materials
GB/T229-1994 Metallic Materials-charpy Notch Impact Test
GB/T231-1984 Metal Brinell Test Method
GB/T242-1997 Metallic Materials-Tube-Drift Expanding Test
GB/T244-1997 Metallic Materials--Tube--Bend Test
GB/T246-1997 Metallic Materials--Tube--Flattening Test
GB/T699-1999 Carbon Constructional Quality Steel
GB/T1591-1994 Low-alloy High-tensile Structural Steel
GB/T2102-1988 Acceptance, Packing, Marking and Quality Certification of Steel Tubes
GB/T3077-1999 Alloy Constructional Steel
GB/T5777-1996 Seamless Steel Tube and Tubing-Methods for Ultrasonic Testing
GB/T17395-1998 Dimensions, Shapes, Masses and Tolerances of Seamless Steel Tubes
YB/T5221-1993 Alloy Constructional Steel Round Tube Blank
YB/T5222-1993 Quality Carbon Steel Round Tube Blank
Articles contained in the following standards have been quoted by this standard and become part of this standard. At time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.
GB/T222-1984 Method of Sampling Steel for Determination of Chemical Composition and Permissible Variations for Product Analysis
GB/T223.5-1997 Methods for Chemical Analysis of Iron, Steel and Alloy. The Reduced Molybdo-silicate Spectro-photometric Method for the Determination of Acid-soluble Silicon Content
GB/T223.11-1991 Methods for Chemical Analysis of Iron, Steel and Alloy - The Ammonium Persulfate Oxidation Volumetric Method for the Determination of Chromium Content
GB/T223.12-1991 Methods for Chemical Analysis of Iron, Steel and Alloy- the Sodium Carbonate Separation-diphenyl Carbazide Photometric Method for the Determination of Chromium Content
GB/T223.14-1989 Methods for Chemical Analysis of Iron, Steel and Alloy-The N-benzoyl-N-phenylhydroxylamine Extraction Photometric Method for the Determination of Vanadium Content
GB/T223.16-1991 Methods for Chemical Analysis of Iron, Steel and Alloy-The Chromotropic Acid Photometric Method for the Determination of Titanium Content
GB/T223.25-1194 Methods for Chemical Analysis of Iron, Steel and Alloy-The Dimethylglyoxime Gravimetric Method for the Determination of Nickel Content
GB/T223.26-1989 Methods for Chemical Analysis of Iron, Steel and Alloy-The Thiocyanate Direct Photometric Method for the Determination of Molybdenum Content
CUB/T223.54-1987 Methods for Chemical Analysis of Iron, Steel and Alloy--The Flame Atomic Absorption Spectrophotometric Method for the Determination of Nickel Content
GB/T223.60-1997 Methods for Chemical Analysis of Iron, Steel and Alloy--The Perchloric Acid Dehydration Gravimetric Method for the Determination of Silicon Content
GB/T223.62-1988 Methods for Chemical analysis of Iron, Steel and Alloy--The Butyl Acetate Extraction Photometric Method for the Determination of Phosphorus Content
GB/T223.64-1988 Methods for Chemical Analysis of Iron, Steel and Alloy--The Flame Atomic Absorption Spectrometric Method for the Determination of Manganese Content
GB/T223.69-1997 Methods for Chemical Analysis of Iron, Steel and Alloy- The Gas-volumetric Method after Combustion in the Tube Furnace for the Determination of Carbon Content
GB/T223.72-1991 Methods for Chemical Analysis of Iron, Steel and Alloy-The Alumina Chromatographic Separation-barium Sulfate Gravimetric Method for the Determination of Sulphur Content
GB/T223.75-1991 Methods for Chemical Analysis of Iron, Steel and Alloy-The Methanol Distillation-curcumin Photometric Method for the Determination of Boron Content
GB/T228-1987 Standard Test Methods for Tension Testing of Metallic Materials
GB/T229-1994 Metallic Materials-charpy Notch Impact Test
GB/T231-1984 Metal Brinell Test Method
GB/T242-1997 Metallic Materials-Tube-Drift Expanding Test
GB/T244-1997 Metallic Materials--Tube--Bend Test
GB/T246-1997 Metallic Materials--Tube--Flattening Test
GB/T699-1999 Carbon Constructional Quality Steel
GB/T1591-1994 Low-alloy High-tensile Structural Steel
GB/T2102-1988 Acceptance, Packing, Marking and Quality Certification of Steel Tubes
GB/T3077-1999 Alloy Constructional Steel
GB/T5777-1996 Seamless Steel Tube and Tubing-Methods for Ultrasonic Testing
GB/T17395-1998 Dimensions, Shapes, Masses and Tolerances of Seamless Steel Tubes
YB/T5221-1993 Alloy Constructional Steel Round Tube Blank
YB/T5222-1993 Quality Carbon Steel Round Tube Blank
DLT 5222-2005 导体和电器选择设计技术规定
2. Normative cited document
The involved clauses of the following standard are cited by the "Rule" and formed the clause of the "Rule". For the cited documents with date and all their subsequent amendment list (exclusive of correction content) or revised edition are not suitable for the "Rule". However, whether the latest edition of these documents can be used or not, which depends on the parties who agreed on this. For the cited documents without date, its latest edition is suitable for the "Rule".
GB 156 Standard voltage ( IEC 60038:1983, neq)
GB 311.1- 1997 Insulation co-ordination for high voltage transmission and distribution equipment (IEC 60071- 1:1993, neq)
GB 2536 Transformer oil conservator (IEC 60296:1982, neq)
GB 7674 Gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above (IEC 60517:1990, eqv)
GB 50217 Code for design of cables of electric works
GB 50227 Code for design of installation of shunt capacitors
DL/T 620 Overvoltage protection and insulation coordination for. AC electrical installations
GB/T 1179－1999 Round wire concentric lay overhead electrical stranded conductors ( IEC 61089:1991, eqv)
GB/T 2900.1 Electrotechnical terminology Fundamental terms (IEC 60050, neq)
GB/T 2900.15 Electrotechnical terminology--Transformer, instrument transformer, voltage regulator and reactor (IEC 60050 (421):1990, neq)
GB/T 2900.19 Electrotechnical terminology. High-voltage test technique and insulation co-ordination (IEC 60060 - 1, neq)
GB/T 2900.20 Electrotechnical terminology High-voltage switchgear [IEC 60050 (IEV), neq]
DL/T 5153 Technical rule for designing auxiliary power system of fossil fuel power plants
DL/T 5136 Technical Code for Designing of Electrical Secondary Wiring in Fossil Fuel Power Plants and Substations
GB/T 6451 Specification and technical requirements for three phase oil immersed power transformers
GB/T 8905 The guide for processing and measuring SF6 gas in power apparatus (IEC 60480:1974, neq)
GB/T 10228 Specification and technical requirements for dry-type power transformers
GB/T 11023 Test guide of SF6 gas tightness for high-voltage switchgear
GB/T 14549 Quality of electric energy supply. Harmonics in public supply network
GB/T 15544 Short-circuit current calculation in three-phase AC systems (IEC 60909:1988, eqv)
GB/T 16274 Specification and technical requirements for oil immersed power transformers 500kV
GB/T 16434- 1996 Environmental pollution classification and external insulation selection for high voltage transmission line, power plant and substation
The involved clauses of the following standard are cited by the "Rule" and formed the clause of the "Rule". For the cited documents with date and all their subsequent amendment list (exclusive of correction content) or revised edition are not suitable for the "Rule". However, whether the latest edition of these documents can be used or not, which depends on the parties who agreed on this. For the cited documents without date, its latest edition is suitable for the "Rule".
GB 156 Standard voltage ( IEC 60038:1983, neq)
GB 311.1- 1997 Insulation co-ordination for high voltage transmission and distribution equipment (IEC 60071- 1:1993, neq)
GB 2536 Transformer oil conservator (IEC 60296:1982, neq)
GB 7674 Gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above (IEC 60517:1990, eqv)
GB 50217 Code for design of cables of electric works
GB 50227 Code for design of installation of shunt capacitors
DL/T 620 Overvoltage protection and insulation coordination for. AC electrical installations
GB/T 1179－1999 Round wire concentric lay overhead electrical stranded conductors ( IEC 61089:1991, eqv)
GB/T 2900.1 Electrotechnical terminology Fundamental terms (IEC 60050, neq)
GB/T 2900.15 Electrotechnical terminology--Transformer, instrument transformer, voltage regulator and reactor (IEC 60050 (421):1990, neq)
GB/T 2900.19 Electrotechnical terminology. High-voltage test technique and insulation co-ordination (IEC 60060 - 1, neq)
GB/T 2900.20 Electrotechnical terminology High-voltage switchgear [IEC 60050 (IEV), neq]
DL/T 5153 Technical rule for designing auxiliary power system of fossil fuel power plants
DL/T 5136 Technical Code for Designing of Electrical Secondary Wiring in Fossil Fuel Power Plants and Substations
GB/T 6451 Specification and technical requirements for three phase oil immersed power transformers
GB/T 8905 The guide for processing and measuring SF6 gas in power apparatus (IEC 60480:1974, neq)
GB/T 10228 Specification and technical requirements for dry-type power transformers
GB/T 11023 Test guide of SF6 gas tightness for high-voltage switchgear
GB/T 14549 Quality of electric energy supply. Harmonics in public supply network
GB/T 15544 Short-circuit current calculation in three-phase AC systems (IEC 60909:1988, eqv)
GB/T 16274 Specification and technical requirements for oil immersed power transformers 500kV
GB/T 16434- 1996 Environmental pollution classification and external insulation selection for high voltage transmission line, power plant and substation
GB 50157-2003 地铁设计规范
2 Terms
2.0.1 Subway, underground railway or subway
It refers to fast and high-capacity urban rail transit adopting power traction. It usually set in tunnel underground, and may be set on ground or overhead at regions out of urban center.
2.0.2 Urban rail transit or mass transit
It refers to high- and medium-capacity urbane public vehicles running on rails of different types, and it is a generic term of urban rail vehicles, such as subway, light rail, monorail, automatic guide and magnetic suspension.
2.0.3 Designed lifetime
It refers to the minimum service life of normal operation under general maintenance conditions.
2.0.4 Operation concept
It is the general definition of operation mode, management method and operation scale of subway system.
2.0.5 Operation speed
It refers to the average operation speed of train from departure station to terminal station.
2.0.6 Gauge
It refers to the line which limits train operation and other structures near rails. It is an indispensable basis which shall be complied with in engineering construction and installation of pipeline and equipment, and it has three types, such as train gauge, equipment gauge and construction gauge.
2.0.7 Main line
It refers to the through line for train operation.
2.0.8 Assistant line
It refers to the operation lines that are set for non-passenger train to guarantee operation of main line.
2.0.9 Connecting line
It refers to the line connecting two independent main lines.
2.0.10 Testing line
It refers to lines used to carried out dynamic performance test to trains and its standard is the same as that of main line generally.
2.0.11 Rack structure
It refers to lines over road bed or structural plane, and is composed og steel rail, fastener, sleeper and ballast.
2.0.12 Gauge of track
It refers to the minimum distance between left and right heads of rail at spcific distance under the rail level.
2.0.13 Seamless track
It refers to steel tracks whose continuous welding or agglutination exceeds twice expansion length.
2.0.14 Monolithic track bed
It refers to track bed cast by concrete.
2.0.15 Subgrade
It refers to infrastructure that is excavated and filled to directly support tracks.
2.016 Computed length of platform
It refers to the length of the maximum train formation length plus the error generated when train parks.
2.0.17 Public zone of station
Public zone of station hall refers to the zone where is used for fare collection and where passengers can reach the train; public zone of platform refers to the zone where passengers can aboard and off the train.
2.0.18 Longitudinal horizontal force of seamless track
It refers to contractility and bending force. Contractility refers to longitudinal force generated by relative displacement of bridge and long steel rail due to temperature fluctuation; and bending force refers to longitudinal force generated by relative displacement of bridge and long steel rail due to train load.
2.0.19 Broken railforce of seamless track
It refers to longitudinal force generated by relative displacement of bridge and long steel rail due to break of long steel rail.
2.0.20 Cut and cover
It refers to the method where tunnel is constructed by digging foundation trench on ground.
2.0.21 Cover and cut-bottom
It is one of cut and cover methods. Through this method, temporary road and support are constructed on ground for maintenance of normal traffic condition, and earth is excavated down to design depth, and then structure is constructed from the bottom up to the ground.
2.0.22 Cover and cut-top down
It is one of cut and cover methods. Construction order of this method is reverse against conventional cut and cover. Through this method, earth is cut, structural top plate and vertical support structure are constructed, and then earth is excavated from above to below under the top plate and structures are constructed layer by layer.
2.0.23 Mining method
Conventional mining method refers to concealment excavation construction method, according to which tunnel is constructed through hole drilling and explosion. With development of technology, modern mining method also includes other construction methods, such as new Austrian tunneling method.
2.0.24 Shield method
It is a kind of concealment tunneling method. Shield is an equipment equipped with steel shell, in which excavation and assembly lining pipe pieces are equipped. Earth excavation, lining building and casting are carried out under protection of the steel shell. Shield can be divided into different types according to differences of excavation methods and sectional forms.
2.0.25 Immersed tube method
It is the abbreviation of immersed prefabricated tube method, which is a kind of construction method to build subaqueous tunnel.
2.0.26 Grade of water proof
It refers to grade standard of water leakage amount that is allowed by structure according to requirement of subway engineering on waterproof.
2.0.27 Deformation joint
It is a general designation of settlement joint and expansion joint.
2.0.28 Rigid-flexible joint of sealed zone
It refers to the zone where back-touch water stop and interlining waterproofer are set and welded at the water face of inner lining of construction joints or deformation joints in inner lining structure, and where sealed zone is formed.
2.0.29 Open made operation
It is one of operation mode of subway tunnel ventilation system and air-conditioning system. During open made operation, air in tunnel is exchanged with external air through fan, duct and wind booth.
2.0.30 Close mode operation
It is one of operation mode of subway tunnel ventilation system and air-conditioning system. During close made operation, subway tunnel is basically isolated from exterior air, and only fresh air that is enough passengers' need will be provided. It is realized by air-conditioning system in station, and by partial station air-conditioning cold air brought by train travel piston effect in interval tunnel.
2.0.3l Piston action ventilation
It is a kind of ventilation formed by piston effect during high speed operation of train in tunnel.
2.0.32 Combined sewer system
It refers to the discharging mode of waster water, such as fire water, rinsing waste water and rainwater, but except sanitary wastewater.
2.0.33 Centralized power supply mode
It refers to exterior power supply mode where power is supplied by special high voltage substation (or power supply switching station) to traction substation and step-down substation.
2.0.34 Distributed power supply mode
It refers to the exterior power supply mode where power is directly supplied by urban medium power supply in-let separately to traction substation and step-down substation.
2.0.35 Combined power supply mode
It refers to exterior power supply where high voltage substation (or power supply switching station) is taken as the main form and urban medium power supply in-let at appropriate place is taken as the assistant form to supply power to traction substation and step-down substation.
2.0.36 High voltage substation
It refers to special high voltage substation which provide medium power supply to subway system after high-voltage power supply led-in from urban grid is stepped down.
2.0.37 Combined substation
It refers to the transformer substation which can supply both DC traction power supply and AC low-voltage power supply for subway system.
2.0.38 Stray current
It refers to electric current that flows on unspecified circuit.
2.0.39 Synchronous digital hierarchy (SDH) transmission system
It refers to system that provides digital transmission channels for various systems.
2.0.40 Global position system (GPS)
It refers to global satellite positioning system, and timing reference signal can be pulled from this system.
2.0.41 Automatic train control (ATC)
It is a generic term for technology, with which subway signal system can realize automatic train supervisory control, safety protection and operation control.
2.0.42 Automatic train supervision (ATS)
It is a generic term of technology which can automatically set access passage, direct train travel and manage train travel according to time table of train operation.
2.0.43 Automatic train protection (ATP)
It is generic term of technology which can automatically control train tracing interval and overspeed protection during train operation.
2.0.44 Automatic train operation (ATO)
It is a generic term of technologies which can automatically control train acceleration, speed adjustment and parking, door opening and closing and prompt.
2.0.45 Centralized traffic control (CTC)
It refers to equipments which can centrally control signals and turnoffs of each stations within line and can direct train operation in the dispatching room of control center.
2.0.46 Moving pavement
It refers to a kind of equipment, also called automatic pavement, which can carry passenger successively and horizontally. Some moving pavement may have flat gradient, whose inclination is between 0-12°
2.0.47 Automatic fare collection
It refers to a kind of equipment, through which passenger can pass the subway station using magnetic card or un-touched IC card, and where no fare collection personnel may not be involved.
2.0.48 Fire alarm system (FAS)
It refers to a system which includes subway fire alarm equipment and fire control equipment that can supervise subway fire disaster and realize interlocking control and which can realize automatic management of subway fire fighting work.
2.0.49 Local alarm system
It refers to simple automatic disaster alarm system composed of alarm controller and fire alarm.
2.0.50 Remote alarm system
It refers to complicated automatic disaster alarm system composed of station disaster alarm controller, disaster detector and computer working station.
2.0.51 Building automatic system (BAS)
It refers to system that can centrally supervise, control and manage environment, air conditioning, ventilation, water supply and drainage, lighting, passenger guide, escalator, lift, shield door and flood-proof door in subway buildings.
2.0.52 System integration (SI)
It refers to that sub-systems with different functions in subway buildings are connected with each other physically and logically through system integration, so as to share integrated information, resources and integral tasks.
2.0.53 Operation control center (OCC)
It is also called control center, where dispatching personnel can supervise, control, harmonize, direct, dispatch and manage all trains, stations and interval equipments in operation through central system equipments, such as signal, power supervision, automatic fire alarm, environment and equipment control, automatic fare collection and communication equipments. In addition, the aforesaid central system equipments are installed in the control center.
2.0.54 Concentration supervisory control and management
It is a generic term for centralized supervision, centralized control, centralized adjustment, centralized direction, centralized dispatching and centralized management.
2.0.55 Depot
It refers to basic production units that are responsible for configuration, management, maintenance, examination and high-grade repair of train.
2.0.56 Stabling yard
It refers to basic production units that are responsible for configuration, management, maintenance and examination of train.
2.0.57 Examine and repair program
It refers to that grade division, which is determined according to technical state and life cycle of train, of train examination and repair. In China, applicable examine and repair program of subway train is classified into five grades, such as factory repair, un-wheeling repair, regular repair, monthly test and routine examination. Among these grades, factory repair, un-wheeling repair and regular repair are prophylactic repair, and monthly repair and routine repair are running repairs.
2.0.58 Examine and repair period
It refers to interval between two examination and repair, and it is usually calculated according to travel distance or time interval.
2.0.1 Subway, underground railway or subway
It refers to fast and high-capacity urban rail transit adopting power traction. It usually set in tunnel underground, and may be set on ground or overhead at regions out of urban center.
2.0.2 Urban rail transit or mass transit
It refers to high- and medium-capacity urbane public vehicles running on rails of different types, and it is a generic term of urban rail vehicles, such as subway, light rail, monorail, automatic guide and magnetic suspension.
2.0.3 Designed lifetime
It refers to the minimum service life of normal operation under general maintenance conditions.
2.0.4 Operation concept
It is the general definition of operation mode, management method and operation scale of subway system.
2.0.5 Operation speed
It refers to the average operation speed of train from departure station to terminal station.
2.0.6 Gauge
It refers to the line which limits train operation and other structures near rails. It is an indispensable basis which shall be complied with in engineering construction and installation of pipeline and equipment, and it has three types, such as train gauge, equipment gauge and construction gauge.
2.0.7 Main line
It refers to the through line for train operation.
2.0.8 Assistant line
It refers to the operation lines that are set for non-passenger train to guarantee operation of main line.
2.0.9 Connecting line
It refers to the line connecting two independent main lines.
2.0.10 Testing line
It refers to lines used to carried out dynamic performance test to trains and its standard is the same as that of main line generally.
2.0.11 Rack structure
It refers to lines over road bed or structural plane, and is composed og steel rail, fastener, sleeper and ballast.
2.0.12 Gauge of track
It refers to the minimum distance between left and right heads of rail at spcific distance under the rail level.
2.0.13 Seamless track
It refers to steel tracks whose continuous welding or agglutination exceeds twice expansion length.
2.0.14 Monolithic track bed
It refers to track bed cast by concrete.
2.0.15 Subgrade
It refers to infrastructure that is excavated and filled to directly support tracks.
2.016 Computed length of platform
It refers to the length of the maximum train formation length plus the error generated when train parks.
2.0.17 Public zone of station
Public zone of station hall refers to the zone where is used for fare collection and where passengers can reach the train; public zone of platform refers to the zone where passengers can aboard and off the train.
2.0.18 Longitudinal horizontal force of seamless track
It refers to contractility and bending force. Contractility refers to longitudinal force generated by relative displacement of bridge and long steel rail due to temperature fluctuation; and bending force refers to longitudinal force generated by relative displacement of bridge and long steel rail due to train load.
2.0.19 Broken railforce of seamless track
It refers to longitudinal force generated by relative displacement of bridge and long steel rail due to break of long steel rail.
2.0.20 Cut and cover
It refers to the method where tunnel is constructed by digging foundation trench on ground.
2.0.21 Cover and cut-bottom
It is one of cut and cover methods. Through this method, temporary road and support are constructed on ground for maintenance of normal traffic condition, and earth is excavated down to design depth, and then structure is constructed from the bottom up to the ground.
2.0.22 Cover and cut-top down
It is one of cut and cover methods. Construction order of this method is reverse against conventional cut and cover. Through this method, earth is cut, structural top plate and vertical support structure are constructed, and then earth is excavated from above to below under the top plate and structures are constructed layer by layer.
2.0.23 Mining method
Conventional mining method refers to concealment excavation construction method, according to which tunnel is constructed through hole drilling and explosion. With development of technology, modern mining method also includes other construction methods, such as new Austrian tunneling method.
2.0.24 Shield method
It is a kind of concealment tunneling method. Shield is an equipment equipped with steel shell, in which excavation and assembly lining pipe pieces are equipped. Earth excavation, lining building and casting are carried out under protection of the steel shell. Shield can be divided into different types according to differences of excavation methods and sectional forms.
2.0.25 Immersed tube method
It is the abbreviation of immersed prefabricated tube method, which is a kind of construction method to build subaqueous tunnel.
2.0.26 Grade of water proof
It refers to grade standard of water leakage amount that is allowed by structure according to requirement of subway engineering on waterproof.
2.0.27 Deformation joint
It is a general designation of settlement joint and expansion joint.
2.0.28 Rigid-flexible joint of sealed zone
It refers to the zone where back-touch water stop and interlining waterproofer are set and welded at the water face of inner lining of construction joints or deformation joints in inner lining structure, and where sealed zone is formed.
2.0.29 Open made operation
It is one of operation mode of subway tunnel ventilation system and air-conditioning system. During open made operation, air in tunnel is exchanged with external air through fan, duct and wind booth.
2.0.30 Close mode operation
It is one of operation mode of subway tunnel ventilation system and air-conditioning system. During close made operation, subway tunnel is basically isolated from exterior air, and only fresh air that is enough passengers' need will be provided. It is realized by air-conditioning system in station, and by partial station air-conditioning cold air brought by train travel piston effect in interval tunnel.
2.0.3l Piston action ventilation
It is a kind of ventilation formed by piston effect during high speed operation of train in tunnel.
2.0.32 Combined sewer system
It refers to the discharging mode of waster water, such as fire water, rinsing waste water and rainwater, but except sanitary wastewater.
2.0.33 Centralized power supply mode
It refers to exterior power supply mode where power is supplied by special high voltage substation (or power supply switching station) to traction substation and step-down substation.
2.0.34 Distributed power supply mode
It refers to the exterior power supply mode where power is directly supplied by urban medium power supply in-let separately to traction substation and step-down substation.
2.0.35 Combined power supply mode
It refers to exterior power supply where high voltage substation (or power supply switching station) is taken as the main form and urban medium power supply in-let at appropriate place is taken as the assistant form to supply power to traction substation and step-down substation.
2.0.36 High voltage substation
It refers to special high voltage substation which provide medium power supply to subway system after high-voltage power supply led-in from urban grid is stepped down.
2.0.37 Combined substation
It refers to the transformer substation which can supply both DC traction power supply and AC low-voltage power supply for subway system.
2.0.38 Stray current
It refers to electric current that flows on unspecified circuit.
2.0.39 Synchronous digital hierarchy (SDH) transmission system
It refers to system that provides digital transmission channels for various systems.
2.0.40 Global position system (GPS)
It refers to global satellite positioning system, and timing reference signal can be pulled from this system.
2.0.41 Automatic train control (ATC)
It is a generic term for technology, with which subway signal system can realize automatic train supervisory control, safety protection and operation control.
2.0.42 Automatic train supervision (ATS)
It is a generic term of technology which can automatically set access passage, direct train travel and manage train travel according to time table of train operation.
2.0.43 Automatic train protection (ATP)
It is generic term of technology which can automatically control train tracing interval and overspeed protection during train operation.
2.0.44 Automatic train operation (ATO)
It is a generic term of technologies which can automatically control train acceleration, speed adjustment and parking, door opening and closing and prompt.
2.0.45 Centralized traffic control (CTC)
It refers to equipments which can centrally control signals and turnoffs of each stations within line and can direct train operation in the dispatching room of control center.
2.0.46 Moving pavement
It refers to a kind of equipment, also called automatic pavement, which can carry passenger successively and horizontally. Some moving pavement may have flat gradient, whose inclination is between 0-12°
2.0.47 Automatic fare collection
It refers to a kind of equipment, through which passenger can pass the subway station using magnetic card or un-touched IC card, and where no fare collection personnel may not be involved.
2.0.48 Fire alarm system (FAS)
It refers to a system which includes subway fire alarm equipment and fire control equipment that can supervise subway fire disaster and realize interlocking control and which can realize automatic management of subway fire fighting work.
2.0.49 Local alarm system
It refers to simple automatic disaster alarm system composed of alarm controller and fire alarm.
2.0.50 Remote alarm system
It refers to complicated automatic disaster alarm system composed of station disaster alarm controller, disaster detector and computer working station.
2.0.51 Building automatic system (BAS)
It refers to system that can centrally supervise, control and manage environment, air conditioning, ventilation, water supply and drainage, lighting, passenger guide, escalator, lift, shield door and flood-proof door in subway buildings.
2.0.52 System integration (SI)
It refers to that sub-systems with different functions in subway buildings are connected with each other physically and logically through system integration, so as to share integrated information, resources and integral tasks.
2.0.53 Operation control center (OCC)
It is also called control center, where dispatching personnel can supervise, control, harmonize, direct, dispatch and manage all trains, stations and interval equipments in operation through central system equipments, such as signal, power supervision, automatic fire alarm, environment and equipment control, automatic fare collection and communication equipments. In addition, the aforesaid central system equipments are installed in the control center.
2.0.54 Concentration supervisory control and management
It is a generic term for centralized supervision, centralized control, centralized adjustment, centralized direction, centralized dispatching and centralized management.
2.0.55 Depot
It refers to basic production units that are responsible for configuration, management, maintenance, examination and high-grade repair of train.
2.0.56 Stabling yard
It refers to basic production units that are responsible for configuration, management, maintenance and examination of train.
2.0.57 Examine and repair program
It refers to that grade division, which is determined according to technical state and life cycle of train, of train examination and repair. In China, applicable examine and repair program of subway train is classified into five grades, such as factory repair, un-wheeling repair, regular repair, monthly test and routine examination. Among these grades, factory repair, un-wheeling repair and regular repair are prophylactic repair, and monthly repair and routine repair are running repairs.
2.0.58 Examine and repair period
It refers to interval between two examination and repair, and it is usually calculated according to travel distance or time interval.
GB 50217-94 电力工程电缆设计规范
1. General Principles
1.0.1 This code is established to practice a technically advanced, economically rational, reliable and applicable design of cables of electric work and facilitate construction and maintenance.
1.0.2 This Code is applicable to the selections and laying design of 200kV and below 200 kV power cables and control cables used in newly built and expanded electric work.
1.0.3 The cable design for the electric work shall not only abided by this Code, but also comply with the provisions of the current relevant national design codes and standards.
2. Terminology
2.0.1 Fire Resistance
It is a characteristic property that the energization and operation of cables can be maintained by the action of flame at a specific elevated temperature for a specific time.
2.02 Flame Retardancy
It is a characteristic property of cables that cable is ignited by the action of the flame under the specific testing conditions and it will extinguish by itself as soon as the flame source is removed.
2.0.3 Dry-type Cross-linked
It is a general term for the cross-linked process used to reduce remarkably the moisture of cross-linked polyethylene insulation materials during manufacturing.
2.0.4 Water Tree
It is a brief term to describe a phenomenon of tree fine cracks in insulation layer of cross-linked polyethylene cables under operation, which results in the deterioration of insulation properties and causes the failure of cables.
2.0.5 Metallic-plastic Composite Water Barrier
It is a water barrier that is made up of a composite tape with a thin metallic layer of aluminum or aluminum foil contained in the plastics to wind along the cables.
2.0.6 Thermal Resistance
It is a physical quantity unit defined by the thermal ohm law for the one-dimensional head dispersion process using the analytic method for thermal network to calculate the current-carrying capacity of cables.
2.0.7 Auxiliary Ground Wire
It refers to conducting wire laid in parallel with HV single-core cable line and provided with ground wires at both ends to establish a circuit for induced current.
2.0.8 Direct Burying
It refers to a cable laying method that cables are laid down on the bottom of trenches and covered with soft soil layer and then with protection slabs to level the ground.
2.0.9 Cable Trough
It is a structure for cables that is closed without passage, but is provided with removable covers, and usual it is installed flush with the ground or a bit above or below the ground.
2.0.10 Channel
It is a trough structure with covers but the bottom may not be blocked to contain small quantity of cables without brackets, which can be arranged flush with the ground or can be placed on ground.
2.0.11 Tunnel
It is a fully closed structure for cables, which contains a relatively large quantity of cables and provided with passages for facilitating installation and patrol inspection.
2.0.12 Messanine (Cable floor)
It is a hall-type structure for cables, which is located below the control room floor and can accommodate many cable junctions and facilitate the installation activities.
2.0.13 Manhole
Cabin-type structure for cables that the people can access to for installing the accessories of cable joints, etc., or for operations of drawing cables.
2.0.14 Cable Structures
It is a general term for the structures of cable troughs, channels, tunnels, switch cabins, shafts, manholes, etc. provided for laying cables or installing accessories.
2.0.15 Slip Fixing
It is a fixing way to allow cables to have axial changes in angles along the fixing points caused by expansion and contraction due to temperature change and a slight cross sliding.
2.0.16 Rigid Fixing
It is a fixing way to clip cables that will not cause the cables to have a displacement with the expansion caused by heat and contraction by cold.
2.0.17 Snaking of Cable
It is a way to lay cables in a shape of waves to reduce the axial mechanical thermal stress according to the requirements of quantitative parameters.
2.0.18 Cantilever Bracket
It is a bracket made from rigid materials to support cables, which is in a form of cantilever.
2.0.19 Cable Tray
It is a general term for the rigid structure system that consists of the straight sections, bends, assemblies of trays or ladders, and cantilever brackets, hangers, etc. for connecting tightly and supporting cables.
2.0.20 Cable Brackets
It is a general term for cable trays, common supports and hangers.
2.0.21 Fire Protection Pillows
They are expansion flexible fire-resistant objects in a shape of pillows, which are used to block or barrier fire.
1.0.1 This code is established to practice a technically advanced, economically rational, reliable and applicable design of cables of electric work and facilitate construction and maintenance.
1.0.2 This Code is applicable to the selections and laying design of 200kV and below 200 kV power cables and control cables used in newly built and expanded electric work.
1.0.3 The cable design for the electric work shall not only abided by this Code, but also comply with the provisions of the current relevant national design codes and standards.
2. Terminology
2.0.1 Fire Resistance
It is a characteristic property that the energization and operation of cables can be maintained by the action of flame at a specific elevated temperature for a specific time.
2.02 Flame Retardancy
It is a characteristic property of cables that cable is ignited by the action of the flame under the specific testing conditions and it will extinguish by itself as soon as the flame source is removed.
2.0.3 Dry-type Cross-linked
It is a general term for the cross-linked process used to reduce remarkably the moisture of cross-linked polyethylene insulation materials during manufacturing.
2.0.4 Water Tree
It is a brief term to describe a phenomenon of tree fine cracks in insulation layer of cross-linked polyethylene cables under operation, which results in the deterioration of insulation properties and causes the failure of cables.
2.0.5 Metallic-plastic Composite Water Barrier
It is a water barrier that is made up of a composite tape with a thin metallic layer of aluminum or aluminum foil contained in the plastics to wind along the cables.
2.0.6 Thermal Resistance
It is a physical quantity unit defined by the thermal ohm law for the one-dimensional head dispersion process using the analytic method for thermal network to calculate the current-carrying capacity of cables.
2.0.7 Auxiliary Ground Wire
It refers to conducting wire laid in parallel with HV single-core cable line and provided with ground wires at both ends to establish a circuit for induced current.
2.0.8 Direct Burying
It refers to a cable laying method that cables are laid down on the bottom of trenches and covered with soft soil layer and then with protection slabs to level the ground.
2.0.9 Cable Trough
It is a structure for cables that is closed without passage, but is provided with removable covers, and usual it is installed flush with the ground or a bit above or below the ground.
2.0.10 Channel
It is a trough structure with covers but the bottom may not be blocked to contain small quantity of cables without brackets, which can be arranged flush with the ground or can be placed on ground.
2.0.11 Tunnel
It is a fully closed structure for cables, which contains a relatively large quantity of cables and provided with passages for facilitating installation and patrol inspection.
2.0.12 Messanine (Cable floor)
It is a hall-type structure for cables, which is located below the control room floor and can accommodate many cable junctions and facilitate the installation activities.
2.0.13 Manhole
Cabin-type structure for cables that the people can access to for installing the accessories of cable joints, etc., or for operations of drawing cables.
2.0.14 Cable Structures
It is a general term for the structures of cable troughs, channels, tunnels, switch cabins, shafts, manholes, etc. provided for laying cables or installing accessories.
2.0.15 Slip Fixing
It is a fixing way to allow cables to have axial changes in angles along the fixing points caused by expansion and contraction due to temperature change and a slight cross sliding.
2.0.16 Rigid Fixing
It is a fixing way to clip cables that will not cause the cables to have a displacement with the expansion caused by heat and contraction by cold.
2.0.17 Snaking of Cable
It is a way to lay cables in a shape of waves to reduce the axial mechanical thermal stress according to the requirements of quantitative parameters.
2.0.18 Cantilever Bracket
It is a bracket made from rigid materials to support cables, which is in a form of cantilever.
2.0.19 Cable Tray
It is a general term for the rigid structure system that consists of the straight sections, bends, assemblies of trays or ladders, and cantilever brackets, hangers, etc. for connecting tightly and supporting cables.
2.0.20 Cable Brackets
It is a general term for cable trays, common supports and hangers.
2.0.21 Fire Protection Pillows
They are expansion flexible fire-resistant objects in a shape of pillows, which are used to block or barrier fire.
GBT 15574-1995 钢产品分类
1 Subject content and scope of application
This standard specifies fundamental criteria for classification of steel products according to its production processes, shape, dimension, and surface, as well as stipulates basic content of classification for industrial product and other products of steels.
This standard is applicable to classification of steel products according to its production processes, shape, dimension, and surface.
Generally, this standard is not classified according to ultimate application and production processes, sometimes, it only used for references.
2 Classifications
2.1 Classification for industrial product of steels is as follows:
a. Crude products;
b. Semi-finished products;
c. Rolled finished products and end products;
d. Forged bars.
2.2 Classification for other products of steels is as follows:
a. Powder metallurgy products;
b. Casting;
c. Forging products;
d. Bright products;
e. Cold-rolled products;
f. Welding sections;
g. Wire;
h. Steel rope
This standard specifies fundamental criteria for classification of steel products according to its production processes, shape, dimension, and surface, as well as stipulates basic content of classification for industrial product and other products of steels.
This standard is applicable to classification of steel products according to its production processes, shape, dimension, and surface.
Generally, this standard is not classified according to ultimate application and production processes, sometimes, it only used for references.
2 Classifications
2.1 Classification for industrial product of steels is as follows:
a. Crude products;
b. Semi-finished products;
c. Rolled finished products and end products;
d. Forged bars.
2.2 Classification for other products of steels is as follows:
a. Powder metallurgy products;
b. Casting;
c. Forging products;
d. Bright products;
e. Cold-rolled products;
f. Welding sections;
g. Wire;
h. Steel rope
GBT 3077-1999 合金结构钢
1 SCOPE
This standard defines size, shape, weight and allowable tolerance, technical requirement, test method, check and acceptance regulations, packing, mark and quality certificate etc. of hot-rolled and forged alloy structure steels.
This standard is suitable for alloy structure steel bars with diameters or thickness not larger than 250 mm. Those steel bars with diameters or thickness larger than 250 mm can also be supplied after negotiation by both supplier and customer
The chemical content of brands defined by this standard is also suitable for steel ingot, billet and their products.
2 APPLICABLE DOCUMENTS
GB/T 222-1984 Sampling method for analysis of chemical content of steel and allowable tolerance of chemical content of end product
GB/T 224-1984 Measuring method of depth of decarbonizing layer of steel
GB/T 225-1988 Test method of quench of hardenability end of steel
GB/T 226-1991 Acid-etching check method of low power organization and defect of steel
GB/T 228-1987 Test method of tension of metal
GB/T 229-1994 Test method of Charpy shock of metal (U-shape notch)
GB/T 231-1984 Test method of Brinell Hardness of metal
GB/T 233-1982 Test method of upset forging of metal
GB/T 702-1986 Size, shape, weight and allowable tolerance of hot-rolled round and square steel
GB/T 908-1987 Size, shape, weight and allowable tolerance of forged round and square steel
GB/T 1979-1980 Graded scheme of low power organization and defects of structured steel
GB/T 2101-1989 General stipulations for check and acceptance, packing, mark and quality certificate of profiled steel
GB/T 2975-1998 Sampling location and sample making of mechanics feature test of steels and steel product
GB/T 4336-1984 Photoelectric emission spectrum analysis method of carbon steel and middle and low alloy steel
GB/T 6397-1986 Test sample of tension of metal
GB/T 7736-1987 Supersonic check and acceptance method of low power organization and defects of steel
GB/T 10561-1989 Microscopic appraisal method of non-metal inclusion in steels
GB/T 13299-1991 Microscopic organization appraisal method of steel
GB/T 15711-1995 Acid-etching check and acceptance method of tower hair crack of steels
GB/T 17505-1998 General technical conditions of delivery of steel and steel product
GB/T 17616-1998 Unified digit code of brands of steel iron and alloy products
YB/T 5148-1993 Measuring method of average grain-size of metalCited standards of chemical analysis method of various elements in steel are shown on Appendix A (Appendix of Standard)
This standard defines size, shape, weight and allowable tolerance, technical requirement, test method, check and acceptance regulations, packing, mark and quality certificate etc. of hot-rolled and forged alloy structure steels.
This standard is suitable for alloy structure steel bars with diameters or thickness not larger than 250 mm. Those steel bars with diameters or thickness larger than 250 mm can also be supplied after negotiation by both supplier and customer
The chemical content of brands defined by this standard is also suitable for steel ingot, billet and their products.
2 APPLICABLE DOCUMENTS
GB/T 222-1984 Sampling method for analysis of chemical content of steel and allowable tolerance of chemical content of end product
GB/T 224-1984 Measuring method of depth of decarbonizing layer of steel
GB/T 225-1988 Test method of quench of hardenability end of steel
GB/T 226-1991 Acid-etching check method of low power organization and defect of steel
GB/T 228-1987 Test method of tension of metal
GB/T 229-1994 Test method of Charpy shock of metal (U-shape notch)
GB/T 231-1984 Test method of Brinell Hardness of metal
GB/T 233-1982 Test method of upset forging of metal
GB/T 702-1986 Size, shape, weight and allowable tolerance of hot-rolled round and square steel
GB/T 908-1987 Size, shape, weight and allowable tolerance of forged round and square steel
GB/T 1979-1980 Graded scheme of low power organization and defects of structured steel
GB/T 2101-1989 General stipulations for check and acceptance, packing, mark and quality certificate of profiled steel
GB/T 2975-1998 Sampling location and sample making of mechanics feature test of steels and steel product
GB/T 4336-1984 Photoelectric emission spectrum analysis method of carbon steel and middle and low alloy steel
GB/T 6397-1986 Test sample of tension of metal
GB/T 7736-1987 Supersonic check and acceptance method of low power organization and defects of steel
GB/T 10561-1989 Microscopic appraisal method of non-metal inclusion in steels
GB/T 13299-1991 Microscopic organization appraisal method of steel
GB/T 15711-1995 Acid-etching check and acceptance method of tower hair crack of steels
GB/T 17505-1998 General technical conditions of delivery of steel and steel product
GB/T 17616-1998 Unified digit code of brands of steel iron and alloy products
YB/T 5148-1993 Measuring method of average grain-size of metalCited standards of chemical analysis method of various elements in steel are shown on Appendix A (Appendix of Standard)
GBT 6725-2002 冷弯型钢
1 Scope
This standard specifies the contents related to scope, specification, testing method, test rules, packing, label and certification of quality of cold formed steel sections.
This standard is applicable to cold-roll of cold-working or cold formed steel sections produced by hot continuously rolled steel plate and steel strips on continuity cold-roll-forming machine unit.
This standard is not applicable to formed steel which is produced in the method of dragging, stamping and bending, and so on.
2 Normative References
The following provisions contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to, or revisions of (excluding corrigendum contents) ,or Revised Edition do not apply. However, it is encouraged that every part of this standard to research the latest edition of these documents. For undated references, the latest edition of the normative document referred to applies.
GB/T222 Method of sampling steel for determination of chemical composition and permissible variations for product analysis
GB/T223.3 Methods for chemical analysis of iron, steel and alloy--The diantipyryl methane phosphomolybdate gravimetric method for the determination of phosphorus content
GB/T223.5 Methods for chemical analysis of iron steel and alloy. The reduced molybdosilicate spectrophotometric method for the determination of acid-soluble silicon content
GB/T 223.10 Methods for chemical analysis of iron, steel and alloy—The cupferron separation-chrome azurol S photometric method for the determination of aluminium content
GB/T 223.11 Methods for chemical analysis of iron, steel and alloy—The ammonium persulfate oxidation volumetric method for the determination of chromium content
GB/T 223.12 Methods for Chemical Analysis of Iron, Steel and Alloy-The Sodium Carbonate Separation-diphenyl Carbazide Photometric Method for the Determination of Chromium Content.
GB/T 223.14 Methods for Chemical Analysis of Iron, Steel and Alloy-The N-benzoy-N-phenylhydroxylamine Extraction Photometric Method for the Determination of Vanadium Content.
GB/T223.16 Methods for chemical analysis of iron, steel and alloy—The chromotropic acid photometric method for the determination of titanium content.
GB/T 223.19 Method of chemical analysis on steel and alloy / the neocuproine-chloroform extraction photometric method for the determination of copper content.
GB/T223.23 Methods for chemical analysis of iron, steel and alloy-The dimethylglyoxime spectrophotometric method for the determination of nickel content.
GB/T 223.24 Method of chemical analysis on steel and alloy / the dimethylglyoxime spectrophotometric method for the determination of nickel content.
GB/T223.36 Methods for chemical analysis of iron steel and alloy-- The neutral titration method for the determination of nitrogen content after distillation separation.
GB/T 223.37 Method of chemical analysis on steel and alloy / the indophenol blue photometric method for the determination of nitrogen content after distillation.
GB/T223.49 Methods for chemical analysis of iron steel and alloy—Extraction separation-chlorophosphonazo mA spectrophotometric method for the determination of the total rare earth content.
GB/T223.53 Methods for chemical analysis of iron, steel and alloy--The flame atomic absorption spectrophotometric method for the determination of copper content.
GB/T223.54-1987 Methods for Chemical Analysis of Iron, Steel and Alloy--The Flame Atomic Absorption Spectrophotometric Method for the Determination of Nickel Content
GB/T 223.58 Method of chemical analysis on steel and alloy / the extraction-absorption catalytic polarographic method for the determination of manganese content.
GB/T 223.59 Method of chemical analysis on steel and alloy /the sodium arsenite-sodium nitrite titrimetric method for the determination of phosphorus content.
GB/T 223.60 Method of chemical analysis on steel and alloy /the perchloric acid dehydration for the determination of silicon content.
GB/T223.61 Methods for chemical analysis of iron, steel and alloy--The ammonium phosphomolybdate volumetric method for the determination of phosphorus content.
GB/T223.62 Methods for chemical analysis of iron, steel and alloy--The butyl acetate extraction photometric method for the determination of phosphorus content.
GB/T 223.63 Methods for Chemical Analysis of Iron, Steel and Alloy-The Sodium (potassium) Periodate Photometric Method for the Determination of Manganese Content
GB/T 223.64 Method of chemical analysis on steel and alloy /the flame atomic absorption spectrometric method for the determination of manganese content.
GB/T223.67 Methods for chemical analysis of iron, steel and alloy—The reducing distillation-methylene blue photometric method for the determination of sulfur content.
GB/T 223.68 Method of chemical analysis on steel and alloy /the combustion potassium iodate volumetric method for the determination of sulfur content
GB/T 223.69 Methods for chemical analysis of Iron, steel and alloy- The gas-volumetric method after combustion in the tube furnace for the determination of carbon content.
GB/T 223.71 Method of chemical analysis on steel and alloy /the gravimetric method after combustion in the pipe furnace for the determination of carbon content.
GB/T 223.72 Method of chemical analysis on steel and alloy /the alumina chromatographic separation-barium sulfate gravimetric method for the determination of sulphur content.
GB/T 228 Metallic materials/tensile testing method in room temperature
GB/T 232 Metallic materials/bend testing methods
GB/T 699 Carbon Constructional Quality Steel
GB/T 700 Carbon structural steels
GB/T 1591 High-Strength Low-Alloy Structural Steels
GB/T 2101 General rule of acceptance, package, mark and certification for profile steel
GB/T 2975 Steel and steel products--Location and preparation of test pieces for mechanical testing
GB/T4171 Superior atmospheric corrosion resisting structural steel
GB/T4239 Cold rolled stainless steel strips
GB/T 17505 Steel and Steel Products General Technical Delivery Requirements
This standard specifies the contents related to scope, specification, testing method, test rules, packing, label and certification of quality of cold formed steel sections.
This standard is applicable to cold-roll of cold-working or cold formed steel sections produced by hot continuously rolled steel plate and steel strips on continuity cold-roll-forming machine unit.
This standard is not applicable to formed steel which is produced in the method of dragging, stamping and bending, and so on.
2 Normative References
The following provisions contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to, or revisions of (excluding corrigendum contents) ,or Revised Edition do not apply. However, it is encouraged that every part of this standard to research the latest edition of these documents. For undated references, the latest edition of the normative document referred to applies.
GB/T222 Method of sampling steel for determination of chemical composition and permissible variations for product analysis
GB/T223.3 Methods for chemical analysis of iron, steel and alloy--The diantipyryl methane phosphomolybdate gravimetric method for the determination of phosphorus content
GB/T223.5 Methods for chemical analysis of iron steel and alloy. The reduced molybdosilicate spectrophotometric method for the determination of acid-soluble silicon content
GB/T 223.10 Methods for chemical analysis of iron, steel and alloy—The cupferron separation-chrome azurol S photometric method for the determination of aluminium content
GB/T 223.11 Methods for chemical analysis of iron, steel and alloy—The ammonium persulfate oxidation volumetric method for the determination of chromium content
GB/T 223.12 Methods for Chemical Analysis of Iron, Steel and Alloy-The Sodium Carbonate Separation-diphenyl Carbazide Photometric Method for the Determination of Chromium Content.
GB/T 223.14 Methods for Chemical Analysis of Iron, Steel and Alloy-The N-benzoy-N-phenylhydroxylamine Extraction Photometric Method for the Determination of Vanadium Content.
GB/T223.16 Methods for chemical analysis of iron, steel and alloy—The chromotropic acid photometric method for the determination of titanium content.
GB/T 223.19 Method of chemical analysis on steel and alloy / the neocuproine-chloroform extraction photometric method for the determination of copper content.
GB/T223.23 Methods for chemical analysis of iron, steel and alloy-The dimethylglyoxime spectrophotometric method for the determination of nickel content.
GB/T 223.24 Method of chemical analysis on steel and alloy / the dimethylglyoxime spectrophotometric method for the determination of nickel content.
GB/T223.36 Methods for chemical analysis of iron steel and alloy-- The neutral titration method for the determination of nitrogen content after distillation separation.
GB/T 223.37 Method of chemical analysis on steel and alloy / the indophenol blue photometric method for the determination of nitrogen content after distillation.
GB/T223.49 Methods for chemical analysis of iron steel and alloy—Extraction separation-chlorophosphonazo mA spectrophotometric method for the determination of the total rare earth content.
GB/T223.53 Methods for chemical analysis of iron, steel and alloy--The flame atomic absorption spectrophotometric method for the determination of copper content.
GB/T223.54-1987 Methods for Chemical Analysis of Iron, Steel and Alloy--The Flame Atomic Absorption Spectrophotometric Method for the Determination of Nickel Content
GB/T 223.58 Method of chemical analysis on steel and alloy / the extraction-absorption catalytic polarographic method for the determination of manganese content.
GB/T 223.59 Method of chemical analysis on steel and alloy /the sodium arsenite-sodium nitrite titrimetric method for the determination of phosphorus content.
GB/T 223.60 Method of chemical analysis on steel and alloy /the perchloric acid dehydration for the determination of silicon content.
GB/T223.61 Methods for chemical analysis of iron, steel and alloy--The ammonium phosphomolybdate volumetric method for the determination of phosphorus content.
GB/T223.62 Methods for chemical analysis of iron, steel and alloy--The butyl acetate extraction photometric method for the determination of phosphorus content.
GB/T 223.63 Methods for Chemical Analysis of Iron, Steel and Alloy-The Sodium (potassium) Periodate Photometric Method for the Determination of Manganese Content
GB/T 223.64 Method of chemical analysis on steel and alloy /the flame atomic absorption spectrometric method for the determination of manganese content.
GB/T223.67 Methods for chemical analysis of iron, steel and alloy—The reducing distillation-methylene blue photometric method for the determination of sulfur content.
GB/T 223.68 Method of chemical analysis on steel and alloy /the combustion potassium iodate volumetric method for the determination of sulfur content
GB/T 223.69 Methods for chemical analysis of Iron, steel and alloy- The gas-volumetric method after combustion in the tube furnace for the determination of carbon content.
GB/T 223.71 Method of chemical analysis on steel and alloy /the gravimetric method after combustion in the pipe furnace for the determination of carbon content.
GB/T 223.72 Method of chemical analysis on steel and alloy /the alumina chromatographic separation-barium sulfate gravimetric method for the determination of sulphur content.
GB/T 228 Metallic materials/tensile testing method in room temperature
GB/T 232 Metallic materials/bend testing methods
GB/T 699 Carbon Constructional Quality Steel
GB/T 700 Carbon structural steels
GB/T 1591 High-Strength Low-Alloy Structural Steels
GB/T 2101 General rule of acceptance, package, mark and certification for profile steel
GB/T 2975 Steel and steel products--Location and preparation of test pieces for mechanical testing
GB/T4171 Superior atmospheric corrosion resisting structural steel
GB/T4239 Cold rolled stainless steel strips
GB/T 17505 Steel and Steel Products General Technical Delivery Requirements
GB 9439-88 灰铸铁件
1. Subject and the Aspect(s) Covered
This standard specifies grey pig iron grades and technical specifications of castings.
This standard is applicable to sand-casting grey iron castings or grey iron castings whose thermal conduction is equivalent to sand-casting grey iron castings. This standard can also be referred by grey iron castings of other molds.
2. Normative Reference
GB 5612 Code for Representing Cast Iron
GB 6414 Castings - System of Dimensional Tolerances and Machining Allowances
GB 6060.1 Roughness Comparison Specimens Cast Surfaces
GB 977 Methods for Testing Mechanical Properties of Grey Cast Iron
GB 223.1 - 223.5 Methods for Chemical Analysis of Iron
GB 7216 Grey Cast Iron Metallography
GB 5677 Methods of Radiographic Testing and Classification of Radiographs for Steel Castings
GB 7233 Methods for Ultrasonic Testing and for Specifying Quality Levels of Steel Castings
GB 9444 Methods for Magnetic Particle Testing and for Specifying Quality Levels of Steel Castings
This standard specifies grey pig iron grades and technical specifications of castings.
This standard is applicable to sand-casting grey iron castings or grey iron castings whose thermal conduction is equivalent to sand-casting grey iron castings. This standard can also be referred by grey iron castings of other molds.
2. Normative Reference
GB 5612 Code for Representing Cast Iron
GB 6414 Castings - System of Dimensional Tolerances and Machining Allowances
GB 6060.1 Roughness Comparison Specimens Cast Surfaces
GB 977 Methods for Testing Mechanical Properties of Grey Cast Iron
GB 223.1 - 223.5 Methods for Chemical Analysis of Iron
GB 7216 Grey Cast Iron Metallography
GB 5677 Methods of Radiographic Testing and Classification of Radiographs for Steel Castings
GB 7233 Methods for Ultrasonic Testing and for Specifying Quality Levels of Steel Castings
GB 9444 Methods for Magnetic Particle Testing and for Specifying Quality Levels of Steel Castings
GB 50026-2007 工程测量规范
1. General Provisions
1.0.1 For the purpose of unifying technical specifications of engineering survey, and thus make the survey utilize state-of-art technology and realize economic feasibility, ensure a reliable quality and safe application, this national standard is established hereby.
1.0.2 This national standard is applicable to general surveying work in engineering construction.
1.0.3 This national standard takes quadratic mean error as the standard in judging the plotting accuracy and two times the quadratic mean error is taken as the limit error. For projects with higher accuracy requirement, method in Annex A can be used in evaluating the observation accuracy.
Note: Quadratic mean error, closing error, tolerance and comparative difference, other than specified additionally, they shall all be expressed with variation of sign.
1.0.4 Instruments and related devices used in the engineering survey shall be checked and rectified timely, and maintenance shall be reinforced. Prophylactic repair is required.
1.0.5 Quoted measurement sources in the project shall be examined.
1.0.6 For all kinds of surveying work, not only the requirements stipulated in this standard (code), but also those in the current relevant ones of the nation shall be complied with.
2. Terms and Symbols
2.1 Terms
2.1.1 Satellite positioning
Determine the relative position of corresponding points on the surface by using two or more receivers to receive the signals of many position location satellites simultaneously.
2.1.2 Satellite positioning control network
Control Network established by using satellite positioning technology.
2.1.3 Triangular network
Control network formed by a chain of connected triangles. It is a general designation for the previously triangulation network, trilateration network and rim angle.
2.1.4 Triangular network survey
Method to determine the positions of control points through determining the horizontal angle of vertex, length of the sides of each triangle in the triangular network. It is a general designation for the previously triangulation, trilateration survey and triangulateration.
2.1.5 2″class instrument
2" class instrument refers to angular instrument with one measuring-process nominal quadratic mean error in horizontal direction as 2″, including total station instrument, electronic theodolite, and micrometer instrument. Definition methods for 1" class instrument and 6 "class instrument are similar.
2.1.6 5mm class instrument
5mm class instrument refers to instruments with ranging quadratic mean error as 5mm calculated by electrotape nominal accuracy equation when the range measurement is 1km, including range finder and total station instrument. Definition methods for 1mm class instrument and 10mm class instrument are similar.
2.1.7 .Digital topographic map
Topographic map stored in computer data format, made by computer based on terrain intelligence, certain rules and methods.
2.1.8 Paper topographic map
Orthograph that illustrates terrain intelligence with symbols, annotations and contour lines on paper or melinex
2.1.9 Deformation monitoring
The process of monitoring building (structure) and its foundation, foundation pit or displacement, settlement, inclination, flexivity, crack of rock mass or soil body in certain scope and related influencing factors (like underground water, temperature, stress-strain, etc.) and provide the prediction for deformation analysis.
1.0.1 For the purpose of unifying technical specifications of engineering survey, and thus make the survey utilize state-of-art technology and realize economic feasibility, ensure a reliable quality and safe application, this national standard is established hereby.
1.0.2 This national standard is applicable to general surveying work in engineering construction.
1.0.3 This national standard takes quadratic mean error as the standard in judging the plotting accuracy and two times the quadratic mean error is taken as the limit error. For projects with higher accuracy requirement, method in Annex A can be used in evaluating the observation accuracy.
Note: Quadratic mean error, closing error, tolerance and comparative difference, other than specified additionally, they shall all be expressed with variation of sign.
1.0.4 Instruments and related devices used in the engineering survey shall be checked and rectified timely, and maintenance shall be reinforced. Prophylactic repair is required.
1.0.5 Quoted measurement sources in the project shall be examined.
1.0.6 For all kinds of surveying work, not only the requirements stipulated in this standard (code), but also those in the current relevant ones of the nation shall be complied with.
2. Terms and Symbols
2.1 Terms
2.1.1 Satellite positioning
Determine the relative position of corresponding points on the surface by using two or more receivers to receive the signals of many position location satellites simultaneously.
2.1.2 Satellite positioning control network
Control Network established by using satellite positioning technology.
2.1.3 Triangular network
Control network formed by a chain of connected triangles. It is a general designation for the previously triangulation network, trilateration network and rim angle.
2.1.4 Triangular network survey
Method to determine the positions of control points through determining the horizontal angle of vertex, length of the sides of each triangle in the triangular network. It is a general designation for the previously triangulation, trilateration survey and triangulateration.
2.1.5 2″class instrument
2" class instrument refers to angular instrument with one measuring-process nominal quadratic mean error in horizontal direction as 2″, including total station instrument, electronic theodolite, and micrometer instrument. Definition methods for 1" class instrument and 6 "class instrument are similar.
2.1.6 5mm class instrument
5mm class instrument refers to instruments with ranging quadratic mean error as 5mm calculated by electrotape nominal accuracy equation when the range measurement is 1km, including range finder and total station instrument. Definition methods for 1mm class instrument and 10mm class instrument are similar.
2.1.7 .Digital topographic map
Topographic map stored in computer data format, made by computer based on terrain intelligence, certain rules and methods.
2.1.8 Paper topographic map
Orthograph that illustrates terrain intelligence with symbols, annotations and contour lines on paper or melinex
2.1.9 Deformation monitoring
The process of monitoring building (structure) and its foundation, foundation pit or displacement, settlement, inclination, flexivity, crack of rock mass or soil body in certain scope and related influencing factors (like underground water, temperature, stress-strain, etc.) and provide the prediction for deformation analysis.
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