Standard No.:	GB 175-2023
English Name:	Common portland cement
Chinese Name:	通用硅酸盐水泥
Chinese Classification:	Q11    Cement
Professional Classification:	GB    National Standard
ICS Classification:	91.100.10 91.100.10    Cement. Gypsum. Lime. Mortar 91.100.10
Issued by:	SAMR; SAC
Issued on:	2023-11-27
Implemented on:	2024-6-1
Status:	valid
Superseding:	GB 175-2007 Common Portland Cements
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	140.0
Delivery:	via email in 1 business day

Common portland cement 1 Scope This document specifies classification, composition and materials, strength grades, technical requirements, test methods, inspection rules, packaging, marking, transportation and storage of common portland cement. This document is applicable to common portland cement. 2 Normative references The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies. GB/T 176 Methods for chemical analysis of cement GB/T 203 Granulated blastfurnace slag used for cement production GB/T 750 Autoclave method for soundness of portland cement GB/T 1345 The test sieving method for fineness of cement GB/T 1346 Test methods for water requirement of normal consistency, setting time and soundness of the portland cement GB/T 1596 Fly ash used for cement and concrete GB/T 2419 Test method for fluidity of cement mortar GB/T 2847 Pozzolanic materials used for cement production GB/T 5483 Natural gypsum GB 6566 Limits of radionuclides in building materials GB/T 8074 Testing method for specific surface of cement - Blaine method GB / T 9774 Sacks for packing cement GB/T 12573 Sampling method for cement GB/T 12960 Quantitative determination of constituents of cement GB/T 17671 Test method of cement mortar strength (ISO method) GB/T 21371 By-product gypsum used in cement GB/T 26748 Cement grinding aids GB 31893 Limit and determination of the water-soluble chromium (Ⅵ) content for cement GB/T 35164-2017 Limestone powder used for cement, mortar and concrete 3 Terms and definitions No terms and definitions are listed in this document. 4 Classification Common portland cement, based on the variety and amount of mixed materials, is classified into portland cement, ordinary portland cement, portland blastfurnace-slag cement, portland fly-ash cement, portland pozzolana cement and composite portland cement. The composition and code of each variety shall comply with 5.1. 5 Components and materials 5.1 Components The components of common portland cement shall meet the requirements in Table 1, Table 2 and Table 3 respectively. Table 1 Requirements for components of portland cement

Foreword I 1 Scope 2 Normative references 3 Terms and definitions 4 Classification 5 Components and materials 6 Strength grades 7 Technical requirements 8 Test method 9 Inspection rules 10 Packaging, marking, transportation and storage