GB/T 21372-2024 English PDFUS$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 21372-2024: Portland cement clinker Status: Valid GB/T 21372: Historical versions
Basic dataStandard ID: GB/T 21372-2024 (GB/T21372-2024)Description (Translated English): Portland cement clinker Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: Q11 Classification of International Standard: 91.100.10 Word Count Estimation: 12,123 Date of Issue: 2024-03-15 Date of Implementation: 2024-10-01 Older Standard (superseded by this standard): GB/T 21372-2008 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 21372-2024: Portland cement clinker---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.ICS 91.100.10 CCSQ11 National Standards of People's Republic of China Replace GB/T 21372-2008 Portland cement clinker Released on 2024-03-15 2024-10-01 Implementation State Administration for Market Regulation The National Standardization Administration issued ForewordThis document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document replaces GB/T 21372-2008 "Portland cement clinker". Compared with GB/T 21372-2008, in addition to structural adjustments and In addition to editorial changes, the main technical changes are as follows. a) Added the category of “road cement clinker” (see Chapter 4); b) Added the requirement of “chloride ion (mass fraction)” (see 5.1.1); c) The “insoluble matter” indicator has been changed (see 5.1.1, 4.1 of the.2008 edition); d) The “loss on ignition” indicator has been changed (see 5.1.1, 4.1 of the.2008 edition); e) The strength grades of general-purpose cement clinker, low-alkali general-purpose cement clinker and road cement clinker have been added (see 5.2.1.3); f) The compressive strength index of various types of cement clinker has been changed (see 5.2.1.3, 4.2.3 of the.2008 edition); g) Added physical requirements for the properties of sulfate-resistant cement clinker, medium-heat cement clinker and low-heat cement clinker (see 5.2.2); h) Added the requirement of “radioactivity” (see 5.3); i) Added the optional indicators of “water-soluble chromium (VI), heavy metal content and leachable heavy metal content” (see 5.4 and 5.5). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by China Building Materials Federation. This document is under the jurisdiction of the National Cement Standardization Technical Committee (SAC/TC184). This document was drafted by. China Building Materials Science Research Institute Co., Ltd., Anhui Conch Cement Co., Ltd., Zhongcai Bangye (Hangzhou State) Intelligent Technology Co., Ltd., Zanhuang Jinyu Cement Co., Ltd., Washi Cement Group Co., Ltd., China United Cement Group Co., Ltd., Yaobai Special Cement Group Co., Ltd., Yangxin Washi Cement Co., Ltd., Dezhou Zhonglian Dam Cement Co., Ltd., Linyi Zhonglian Cement Co., Ltd. Company, Shandong Tianrui Heavy Industry Co., Ltd., Zhejiang Southern Cement Co., Ltd., Jiyuan Zhonglian Cement Co., Ltd., Jiangshan Hejiashan Cement Co., Ltd. Company, Zibo Luzhong Cement Co., Ltd., Zhejiang Bangye Technology Co., Ltd., Jiangsu Xinning New Building Materials Co., Ltd., Guilin Nanfang Cement Co., Ltd., Shandong Product Quality Inspection Institute, Pingyi Zhonglian Cement Co., Ltd., Lunan Zhonglian Cement Co., Ltd., Yangquan Jidong Cement Co., Ltd., Hubei Provincial Building Materials Product Quality Supervision and Inspection Station, Jining Zhonglian Cement Co., Ltd., Datong Jidong Cement Co., Ltd., Shaanxi Beiyuan Chemical Industry Group Co., Ltd., Sichuan Jiahua Jinping Special Cement Co., Ltd., Beijing Construction Engineering New Building Materials Co., Ltd. Co., Ltd., Jiangsu Construction Engineering Building Materials Quality Inspection Center Co., Ltd., Guangdong Zhidao Advanced Civil Engineering Materials Technology Research Co., Ltd., Shandong Province Building Materials Industry Association, Huizhou Everbright Cement Enterprise Co., Ltd., Tai'an Zhonglian Cement Co., Ltd., Shandong Shanshui Cement Group Co., Ltd., China Construction Third Engineering Bureau Group South China Co., Ltd., Dujiangyan Lafarge Cement Co., Ltd., Sichuan Esheng Cement Group Co., Ltd., Jidong Cement Tongchuan Co., Ltd., Ningxia Saima Cement Co., Ltd., Gansu Building Materials Research and Design Institute Co., Ltd., Changshan Nanfang Cement Co., Ltd., Inner Mongolia Yidong Jidong Cement Co., Ltd., Shandong Shanlu Environmental New Materials Co., Ltd., Deqing Nanfang Cement Co., Ltd., Jiangsu Yuheng Engineering Quality Inspection Co., Ltd., Xiangyun County Building Materials (Group) Co., Ltd., Jiahua Special Cement Co., Ltd., China Communications Fourth Engineering Research Institute Co., Ltd., Zunyi Sai De Cement Co., Ltd., Shijiazhuang Quzhai Cement Co., Ltd., China Railway Investment and Construction Group Co., Ltd., Nanyang Zhonglian Cement Co., Ltd., Inner Mongolia Mengwei Technology Co., Ltd., Rizhao Zhonglian Port Cement Co., Ltd., Shanxi Excellence Cement Co., Ltd. Company, China Construction Second Engineering Bureau Co., Ltd., China Railway Major Bridge Engineering Group Co., Ltd., Jiayuguan Qilianshan Cement Co., Ltd., Tiezheng Testing Technology Co., Ltd. Technology Co., Ltd., Jidong Heidelberg (Jingyang) Cement Co., Ltd., Shentie Fangyuan Testing Technology Co., Ltd., China Railway 24th Bureau Group Co., Ltd. Company, Handan Sinoma Construction Co., Ltd., Wuhan Municipal Road and Bridge Co., Ltd., Shandong Expressway Maintenance Group Co., Ltd., Zhejiang Fangyuan New Materials Materials Co., Ltd. The main drafters of this document are. Xiao Zhongming, Li Qunfeng, Wang Jinglin, Shi Yaohui, Wang Rong'e, Zhao Xuli, Li Haihong, Luo Jixiang, Zhang Zhenwang, Wang Xinlu, Li Yongsheng, Shi Zhenming, Kuang Sanhao, Zhou Bin, Wang Huiqiang, Yuan Yibin, Wang Junke, Zheng Yonggang, Wang Hua, Li Qiang, Sun Wenbo, Xu Li, Sun Hui, Zhu Yingxin, Li Qinggang, Yang Pengfei, Zhang Lei, Hao Bing, Mei Guozheng, Zhang Dakang, Shi Wenfen, Fu Quan, Qi Yong, Wang Jinxiang, Xie Jialin, Du Xingfu, Cai Pan, Zhao Junhui, Huang Yaning, Shao Jixin, Jing Shihong, Zhang Yicai, Zhang Xiaoyang, Chen Xingbo, Wang Shan, Zhang Limei, Xu Yigang, Yang Haicheng, Liang Wenfeng, Gao Jiankun, Wan Chao, Wang Hui, Zhang Donghua, Liu Jiahai, Wang Kui, Zhang Xuefeng, Long Yong, Chang Zhanxin, Li Xiaohua, Zhang Lin, Wang Muke, Liu Yimin, Zhong Zhengjiang, Pan Feng, Xu Shangjiang, Xu Ke, Chen Qinsong, Liu Xingyong, Jia Kunpeng, Guo Junping, and Liu Tan. This document was first published in.2008 and this is the first revision. Portland cement clinker1 ScopeThis document specifies the classification, technical requirements, test methods, acceptance rules, delivery and inspection of Portland cement clinker (referred to as cement clinker). Collection, transportation and storage. This document applies to the production, inspection, delivery and acceptance of Portland cement clinker for commercial use.2 Normative referencesThe contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB 175 General purpose Portland cement GB/T 176 Chemical analysis methods for cement GB/T 749 Test method for resistance of cement to sulfate attack GB/T 750 Test method for the stability of cement autoclave GB/T 1345 Cement fineness test method - Sieve analysis method GB/T 1346 Test methods for water consumption, setting time and stability of cement of standard consistency GB/T 5483 Natural gypsum GB 6566 Limits of radionuclides in building materials GB/T 8074 Determination of specific surface area of cement - Blaine method GB/T 12959 Method for determination of heat of hydration of cement GB/T 17671 Test method for strength of cement mortar (ISO method) GB/T 30760 Technical specification for co-treatment of solid waste in cement kilns GB/T 30810 Determination of leachable heavy metals in cement mortar GB 31893 Limits and determination methods of water-soluble chromium (VI) in cement3 Terms and definitionsThe following terms and definitions apply to this document. 3.1 The raw materials of appropriate composition are calcined until they are partially melted to obtain a product with calcium silicate as the main mineral component.4 CategoriesCement clinker is divided into general-purpose cement clinker, low-alkali general-purpose cement clinker, medium-resistant sulfate-resistant cement clinker, high-resistant sulfate-resistant cement clinker according to its use and characteristics. Cement clinker, road cement clinker, medium heat cement clinker and low heat cement clinker etc. ...... |
