2008/11/02

GB 200-2003 中热硅酸盐水泥 低热硅酸盐水泥 低热矿渣硅酸盐水泥 英文版


GB 200-2003 中热硅酸盐水泥 低热硅酸盐水泥 低热矿渣硅酸盐水泥 英文版

Contents
1 Scope 6
2. Standard Reference 6
3. Definitions and Code Number 7
3.1 Moderate heat Portland cement 7
3.2 Low heat Portland cement 7
3.3 Low heat Portland slag cement 7
4 Composition and Material 7
4.1 Composition 7
4.2 Portland cement clinker 8
4.2.1 Moderate heat Portland cement clinker 8
4.2.2 Low heat Portland cement clinker 8
4.2.3 Low heat Portland slag cement clinker 8
4.3 Granulated blast-furnace cinder, granulated electric furnace phosphorous slag and fly-ash 9
4.4 Gypsum 9
4.5 Grinding aids 9
5 Strength Level 9
6 Technical Specifications 9
6.1 Magnesium oxide 9
6.2 Alkali content 10
6.3 Sulfur trioxide 10
6.4 Loss on ignition 10
6.5 Specific surface 10
6.6 Setting time 10
6.7 Soundness 10
6.8 Strength 10
6.9 Hydration heat 11
6.10 28d hydration heat of low heat cement 11
7. Testing Method 12
7.1 calcium oxide (CaO), sulfur trioxide silicon dioxide (SiO2), alumina (Al2O3), ferric oxide (Fe2O3), magnesium oxide (MgO), sulfur trioxide (SO3), loss on ignition, free calcium oxide, sodium oxide (Na2O) and potassium oxide (K2O). 12
7.2 Specific surface 12
7.3 Setting time and soundness 12
7.4 Autoclave soundness 12
7.5 Strength 12
7.6 Hydration heat 12
8. Test Rules 12
8.1 Serial number and sampling 12
8.2 Test Classification 13
8.2.1 Factory inspection 13
8.2.2 Type-approval Test 13
8.3 Finished cement 13
8.4 Rejected product and unacceptable product 14
8.4.1 Rejected product 14
8.4.2 Unacceptable product 14
8.5 Test report 14
8.6 Delivery and acceptance 14
8.6.1 Delivery 14
8.6.2 Acceptance 14
9. Packaging, Marking, Transportation and Storage 15
9.1 Packing 15
9.2 Marking 15
9.3 Transportation and storage 16


Moderate heat Portland Cement
Low heat Portland Cement
Low Heat Portland Slag Cement

1 Scope
This national standard specifies the classification, terms and definitions, materials requirements, strength levels, technical specifications, test method, test rules, packaging, marking, transportation and storage of moderate heat Portland cement, low heat Portland cements and low heat Portland slag cement.

This national standard is applicable to moderate heat Portland cement, low heat Portland cement and low heat Portland slag cement.
2. Standard Reference
The following normative documents contain provisions, which through reference in this text constitute provisions of this national standard. For dated reference, subsequent amendments to, or revisions of, any of these publications do not apply. However it is recommended that related parties investigate if the latest edition should be used. For undated references, the latest edition of the normative document referred to applies.

GB/T 176 Method for chemical analysis of cement (GB/T 176-1996 egvl SO 680:1990)
GB/T 203 Granulated blast-furnace slag used in cement
GB/T 750 Autoclave method for soundness of portland cement
GB/T1346 water consumption for cement's standard consistency, setting time, soundness, and test method (GB/T 1346-2001, egv ISO 9597:1989)
GB /T 1596 Fly ash used in cement and concerte
GB/T 2022-1980 Test method for heat of hydration of cement (adiabatic method)
GB/T 5483 Gypsum and anhydrite (GB/T 5483-1996, egv ISO 1587:1975)
GB/T 6645 Granulated electric furnace phosphorous slag used for cement production
GB/T 8074 Testing method for specific surface of cement (Blaine method)
GB 9774 Sacks for packing cement
GB 12573 Sampling method of cement
GB/T 12959-1991 Test method for heat of hydration of cement (The heat of solution method)
GB/T 17671-1999 Method of testing cements’ mortar specimens’ strength (ISO Method) (idt ISO 679:1989)
JC/T 667 Additives to cement grinding process