GB/T 2847-2022 English PDFUS$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 2847-2022: Pozzolanic materials used for cement production Status: Valid GB/T 2847: Historical versions
Basic dataStandard ID: GB/T 2847-2022 (GB/T2847-2022)Description (Translated English): Pozzolanic materials used for cement production Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: Q12 Classification of International Standard: 91.100.10 Word Count Estimation: 14,124 Date of Issue: 2022-12-30 Date of Implementation: 2023-07-01 Older Standard (superseded by this standard): GB/T 2847-2005 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 2847-2022: Pozzolanic materials used for cement production---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 CCSQ12 National Standards of People's Republic of China Replacing GB/T 2847-2005 Pozzolanic admixtures for use in cement cements,NEQ) Posted on 2022-12-30 2023-07-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee 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 2847-2005 "Polzzolanic Mixtures Used in Cement". Compared with GB/T 2847-2005, except Apart from structural adjustments and editorial changes, the main technical changes are as follows. a) Changed the code for pozzolanic mixed materials in "Classification and Code" (see Chapter 4, Chapter 4 of the.2005 edition); b) Added "total amount (mass fraction) of silicon dioxide (SiO2) and aluminum oxide (Al2O3)", "leachable heavy metal content" and "alkali content Quantity" technical requirements (see 5.1, 5.3 and 5.4); c) Increased the requirements for the preparation of test materials (see Chapter 6); d) Added the test methods of "silicon dioxide (SiO2), aluminum oxide (Al2O3)" and "leachable heavy metal content" (see 7.2, 7.6); more - Changed the test methods of "loss on ignition" and "activity index" (see 7.2, 7.4, Chapter 6 of the.2005 edition); e) Changed the provisions of factory inspection items (see 8.2, 7.2 of the.2005 edition); f) Changed the judgment rules (see 9.1, 9.2, 7.4 of the.2005 edition); g) Changed dispute handling method (see 9.3, 7.5 of the.2005 edition); h) Added "flag" (see 10.1); i) The requirements for test materials in the pozzolanic test method have been changed (see A.5, A.6 of the.2005 edition). This document was drafted with reference to ISO 863.2008 "Test methods for pozzolanic cement pozzolanic properties of cement", and the degree of consistency is very high. equivalent. Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by China Building Materials Federation. This document is under the jurisdiction of the National Cement Standardization Technical Committee (SAC/TC184). This document is drafted by. China Building Materials Research Institute Co., Ltd., Fujian Ju'an Construction Engineering Co., Ltd., China Construction No. Sixth Engineering Bureau Co., Ltd., Second Construction Engineering Co., Ltd. of China Construction Second Bureau, First Construction Co., Ltd. of China Construction Eighth Bureau, Guangxi Yongzheng Engineering Quality Testing Co., Ltd., Qingdao Building Materials Industry Association, China Railway 23rd Bureau Group Co., Ltd., China Construction West Construction Guizhou Co., Ltd., Shanghai Building Science Research Institute Co., Ltd., Yellow River Survey Planning and Design Research Institute Co., Ltd., China United Cement Group Co., Ltd., Jinhua City Heng Tong Engineering Testing Co., Ltd., Guizhou Tianwei Building Materials Technology Co., Ltd., Chongqing Construction Engineering Third Construction Co., Ltd., China Water Conservancy Electric Power Third Engineering Bureau Co., Ltd., Yunnan Provincial Institute of Building Material Product Quality Inspection, North China University of Water Resources and Electric Power, Huadian Electric Power Scientific Research Institute Co., Ltd., China Communications Road and Bridge Construction Co., Ltd., China Communications Road and Bridge South Engineering Co., Ltd., China Road and Bridge Engineering Co., Ltd., China Water Li Hydropower 12th Engineering Bureau Co., Ltd., China Railway 24th Bureau Group Jiangsu Engineering Co., Ltd., CITIC Construction Co., Ltd., Xinjiang North Fang Construction Group Co., Ltd., Beijing Kaisheng Building Materials Engineering Co., Ltd., Chengdu Construction Engineering Saili Concrete Co., Ltd., Chengdu Zhongpin Construction Engineering Co., Ltd., JISCO (Group) Hongda Building Materials Co., Ltd., Xinjiang Weitai Development and Construction (Group) Co., Ltd., Hejiashan, Jiangshan City Cement Co., Ltd., China Railway Construction Group East China Engineering Co., Ltd., Xinjiang Changji Municipal Construction (Group) Co., Ltd., Shenzhen Information Technology School of Arts, China Railway Construction Group North China Engineering Co., Ltd., Fancheng Design Co., Ltd., Zhengzhou Wanglou Cement Industry Co., Ltd., Zhejiang Provincial Second Construction Construction Group Co., Ltd., China Construction Third Bureau Group Co., Ltd., Beijing Huachu Holding Group Co., Ltd., China Railway Eleventh Bureau Group Fifth Engineering Co., Ltd., China Railway Beijing Engineering Bureau Group Co., Ltd., China Railway Eighth Bureau Group Co., Ltd., China Railway Shanghai Engineering Bureau Group Co., Ltd., China Railway Construction Engineering Group Second Construction Co., Ltd., Xiamen Aisio Standard Sand Co., Ltd., China Railway 11th Bureau Group Co., Ltd., China National Building Materials Research Institute Yi Technology Co., Ltd. The main drafters of this document. Du Yong, Zhu Wenshang, Chen Degui, Pan Li, Wang Guimei, Chai Yanfei, Pan Meichen, Cui Shouchen, Jiang Lizhen, Ren Ziming, Qi Peng, Yao Jinqiang, Xiao Xiangrong, Lu Guannan, Jin Yu, Xie Jiyou, Li Zhifeng, Zhang Guihong, Jiang Zhihua, Kong Haixia, Yang Lixiang, Shen Yonglin, Wang Qunying, Jia Jianwei, Li Xiaohua, Zhou Yulian, Liu Hui, Chen Bin, Jiang Zhaohui, Han Minhui, Li Xiaoke, Shi Ran, Wang Xiulan, Wang Xin, Zhang Jinshan, Liu Tan, Jin Shunli, Lin Xihua, Guo Junjun, Li Changyong, Zang Yanlong, Zhao Yanfeng, Liu Yuan, Wang Xiaohui, Chang Zhanxin, Wang Kaiqiang, Ying Danlin, Ren Yufang, Xu Zhigang, Gao Yongqin, Man Chaoqun, Wu Ruli, Guo Junfeng, Huang Dong, Zhu Xiaoying, Li Ming, Li Bin, Xu Min, Wei Yajuan, Jing Donghao, Tang Dakun, Hu Xuelong, Zhang Yong, Ji Chunming, Zhao Hu, Qian Yaoli, Yang Anxu, Liu Chuanlin, Wang Ling, Wang Guoxin, Ma Zhaomo, She Chunyong, Li Bingbing, Tang Aijun, Qiao Yuanliang, Ouyang Lei, Li Zhaozhong, Wang Hongjia, Luo Xiaodong, Peng Bingjie, Guo Ziyi. This document was first published in 1981, revised for the first time in.1996, revised for the second time in.2005, and this is the third revision. Pozzolanic admixtures for use in cement1 ScopeThis document specifies the classification, technical requirements, test samples, test methods, inspection rules, judgment rules, and Labeling, transport and storage. This document applies to pozzolanic materials used as admixtures in cement production.2 Normative referencesThe contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document. GB 175 General Portland cement GB/T 176 Cement chemical analysis method GB 6566 Limits of radionuclides in building materials GB/T 6682 Analytical laboratory water specifications and test methods GB/T 12957 Test method for activity of industrial waste residues used in cement admixtures GB/T 30760 Technical Specifications for Co-processing Solid Waste in Cement Kilns GB/T 30810 Determination method for leachable heavy metals in cement mortar GSB14-1510 Standard sample of cement for strength test JC/T 874 Chemical analysis methods of siliceous raw materials for cement3 Terms and DefinitionsThe following terms and definitions apply to this document. 3.1 pozzolanicity The material is ground into a fine powder, which does not have hydraulicity alone, but can form a hydraulically hardened hydration product after being mixed with lime and water at room temperature performance. 3.2 pozzolanicmaterials Mainly composed of silica and alumina, it is a mineral material with pozzolanic properties.4 Classification and code4.1 Classification Pozzolanic materials can be divided into two categories. natural pozzolanic mixed materials and artificial pozzolanic mixed materials according to their origin. 4.2 Natural pozzolanic composite materials 4.2.1 Volcanic ash Loose deposits of fine-grained debris from volcanic eruptions, code-named N·P. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 2847-2022_English be delivered?Answer: Upon your order, we will start to translate GB/T 2847-2022_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 2847-2022?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 2847-2022 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
