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GB/T 2847-2022: Pozzolanic materials used for cement production
Status: Valid GB/T 2847: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 2847-2022 | English | 279 |
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Pozzolanic materials used for cement production
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GB/T 2847-2022
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| GB/T 2847-2005 | English | 120 |
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Pozzolanic materials used for cement production
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GB/T 2847-2005
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| GB/T 2847-1996 | English | 279 |
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Pozzolanic materials used for cement production
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GB/T 2847-1996
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| GB 2847-1981 | English | 199 |
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Pozzolanic materials used for cement production
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GB 2847-1981
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PDF similar to GB/T 2847-2022
Basic data | Standard 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Count Estimation | 14,124 | | Date of Issue | 2022-12-30 | | Date of Implementation | 2023-07-01 | | Older Standard (superseded by this standard) | GB/T 2847-2005 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T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
foreword
This 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 cement
1 Scope
This 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 references
The 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 cement
3 Terms and Definitions
The 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 code
4.1 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.
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