GB/T 26751-2022 PDF English
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| GB/T 26751-2022 | English | 160 |
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Ground granulated electric furnace phosphorous slag powder used for cement and concrete
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| GB/T 26751-2011 | English | 135 |
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GB/T 26751-2022: Ground granulated electric furnace phosphorous slag powder used for cement and concrete
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT26751-2022
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 91.100.10
CCS Q 12
Replacing GB/T 26751-2011
Ground Granulated Electric Furnace Phosphorous Slag
Powder Used for Cement and Concrete
Issued on. DECEMBER 30, 2022
Implemented on. JULY 1, 2023
Issued by. State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative References... 5
3 Terms and Definitions... 6
4 Composition and Materials... 6
5 Technical Requirements... 6
6 Test Methods... 7
7 Inspection Rules... 7
8 Packaging, Marking, Transportation and Storage... 10
Appendix A (normative) Inspection Methods for Activity Index and Fluidity Ratio of
Phosphorous Slag Powder... 11
Foreword
This document was drafted in accordance with the rules provided in GB/T 1.1-2020 Directives
for Standardization - Part 1.Rules for the Structure and Drafting of Standardizing Documents.
This document serves as a replacement of GB/T 26751-2011 Ground Granulated Electric
Furnace Phosphorous Slag Powder Used for Cement and Concrete. In comparison with GB/T
26751-2011, apart from structural adjustments and editorial modifications, the main technical
changes are as follows.
a) The definition of “ground granulated electric furnace phosphorous slag powder” is
modified (see 3.1; 3.1 of Version 2011);
b) The provisions on the addition of gypsum in the composition are deleted, and the
requirements for the sulfur trioxide content index in phosphorous slag powder are
modified (see Chapter 4 and Table 1; 4.2 and Table 1 of Version 2011);
c) The provisions on exit-factory inspection and type inspection are modified (see 7.2
and 7.4; 7.2 and 7.3 of Version 2011);
d) The determination rules are modified (see 7.3; 7.4 of Version 2011);
e) The requirements for the inspection report are modified (see 7.5; 7.4.4 of Version
2011);
f) The provisions on the arbitration and inspection institutions are modified (see 7.6.2
and 7.6.3; 7.5.2 and 7.5.3 of Version 2011);
g) The provisions on the packaging are modified (see 8.1; 9.1 of Version 2011);
h) The requirements for reference cement for activity index testing are modified (see
A.2.1; A.2.1 of Version 2011).
Please be noted that certain content of this document may involve patents. The institution
issuing this document does not undertake the responsibility of identifying these patents.
This document was proposed by China Building Materials Federation.
This document shall be under the jurisdiction of National Technical Committee 184 on Cement
of Standardization Administration of China (SAC/TC 184).
The drafting organizations of this document. China Building Materials Academy Co., Ltd.;
China Railway 20th Bureau Group Co., Ltd.; Guizhou Building Materials Product Quality
Inspection and Testing Institute; Wuhan University of Technology; Guizhou Xintianxin
Chemical Co., Ltd.; China Academy of Building Research; China National Chemical
Communications Construction Group Co., Ltd.; Yangjiang Dadi Environmental Protection
Building Materials Co., Ltd.; Northwest Engineering Co., Ltd. of Power China; China Railway
First Survey and Design Institute Group Co., Ltd.; Road & Bridge International Co., Ltd.;
Fengman Dam Reconstruction Project Construction Bureau of Songhua River Hydropower Co.,
Ltd.; Southern Engineering Co., Ltd. of Road & Bridge International; Haiyan Shendang
Southern Concrete Co., Ltd.; Shandong Expressway Engineering Inspection Co., Ltd.; Hubei
Research and Design Institute of Building Science; Beijing University of Technology; Jiangsu
Research Institute of Building Science Co., Ltd.; Zhongxin Construction Co., Ltd.; Changjiang
River Scientific Research Institute; Guangxi Highway Inspection Co., Ltd.; China Road and
Bridge Corporation; MCC Wuhan Metallurgical Construction Research Institute Co., Ltd.;
Beijing BBMG Cement Energy Saving Technology Co., Ltd.; Zhejiang Xinhua Construction
Group Co., Ltd.; China Railway 18th Bureau Group Co., Ltd.; Sichuan Lisen Building Materials
Group Co., Ltd.; Ningxia Saima Cement Co., Ltd.; Shenzhen University; Tangshan Branch of
BBMG Jidong Cement (Tangshan) Co., Ltd.; 3rd Engineering Co., Ltd. of China Railway 23rd
Bureau Group Co., Ltd.; Gezhouba Xinjiang Testing and Inspection Co., Ltd.; Guizhou
Construction Science Research & Design Institute Limited Company of CSCEC; China West
Construction Group Co., Ltd.; China Railway Urban Construction Group The 1st Engineering
Co., Ltd.; China Construction Second Engineering Bureau Co., Ltd.; China United Cement
Lunan Co., Ltd.; China United Cement Qufu Co., Ltd.; China United Cement Rizhao Port Co.,
Ltd.; Shanghai Zhangyan Southern Cement Co., Ltd.; Jining Zhonglian Cement Co., Ltd.;
Anhui Conch Design & Research Institute of Building Materials Co., Ltd.; China Railway
Construction Group Southern Engineering Co., Ltd.; Kuming University of Science and
Technology; Hunan University; Taian Quality and Special Equipment Inspection Institute;
Mianyang Polytechnic; Shandong Junhong Environmental Protection Technology Co., Ltd.;
Yunnan Shanyin Tongchuang Engineering Technology Co., Ltd.; Zhoushan Yizheng
Construction Engineering Inspection Co., Ltd.; CCCC (Guangzhou) Construction Co., Ltd.;
Wuhai Xishui Cement Co., Ltd.; Wuhai Saima Cement Co., Ltd.; China Railway Construction
Group Co., Ltd.
The main drafters of this document. Yan Bilan, Wang Xin, Liao Taichang, Liu Chen, Zhang
Jinshan, Chen Yue, Xie Jiangsheng, Sun Jinbo, Yu Yi, Guo Wenkang, Chen Wei, Li Qiu, Shen
Yongli, Deng Dunyi, Liang Kunyue, Liang Guoan, Lu Guannan, Xiao Xiangrong, Wei Ying,
Zhang Zhifu, Miao Qiang, Lei Jian, Cui Suping, Wang Jianfeng, Zheng Xu, Du Yong, Pang
Yinghui, Hao Ruijun, Du Yuewen, Shen Kaihua, Xu Chuanchang, Zhou Lei, Liu Qi, Wang Hua,
Bi Yeli, Liu Jiaxing, Han Yu, Yang Bo, Zhou Zichen, Li Nan, Ye Xiaoqin, Zhou Yongxiang,
Huang Yaning, Shen Xin, Wang Yongchao, Ding Xiaobo, Zhang Zuhua, Du Wei, Yin Zhiyong,
Xiong Zhigang, Qin Chunshan, Wan Chaodong, Zhao Jun, Shen Huiming, Qin Xiao, Lin Xihua,
Liu Xiaoyong, Liao Juan, Wang Kedong, Chen Huadong, Cao Lanying, Liu Jiahai, Zhang
Weiwei, Huang Yubing, Ma Lijun, Ge Quanwei, Jiang Bin, Song Jingyi, Xia Julei, Qiao
Huanhuan, Zhai Meng, Li Puzhong, Ding Zhong, Wang Xiaofu, Liu Yiquan, Zhu Xuejun, Ma
Xuening, Li Bingbing.
This document was firstly issued in 2011.This is the first revision.
Ground Granulated Electric Furnace Phosphorous Slag
Powder Used for Cement and Concrete
1 Scope
This document specifies the composition and materials, technical requirements, test methods,
inspection rules, packaging, marking, transportation and storage of ground granulated electric
furnace phosphorous slag powder.
This document is applicable to ground granulated electric furnace phosphorous slag powder
used as cement mixing material and concrete admixture (hereinafter referred to as
“phosphorous slag powder”).
2 Normative References
The contents of the following documents constitute indispensable clauses of this document
through the normative references in the text. In terms of references with a specified date, only
versions with a specified date are applicable to this document. In terms of references without a
specified date, the latest version (including all the modifications) is applicable to this document.
GB 175 Common Portland Cement
GB/T 208 Standard Test Method for Cement Density
GB/T 2419 Test Method for Fluidity of Cement Mortar
GB 6566 Limits of Radionuclides in Building Materials
GB/T 6645 Granulated Electric Furnace Phosphorous Slag Used for Cement
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
3 Terms and Definitions
The following terms and definitions are applicable to this document.
4 Composition and Materials
4.1 Granulated Electric Furnace Phosphorous Slag
Comply with the stipulations of GB/T 6645.
5 Technical Requirements
The phosphorous slag powder shall comply with the requirements of the technical indicators in
Table 1.
6 Test Methods
6.1 Specific Surface Area
Carry out the test in accordance with the stipulations of GB/T 8074.
6.2 Activity Index and Fluidity Ratio
Carry out the test in accordance with the stipulations of Appendix A.
6.3 Density
Carry out the test in accordance with the stipulations of GB/T 208.
6.7 Radioactivity
Carry out the test in accordance with the stipulations of GB 6566.
7 Inspection Rules
7.1 Numbering and Sampling
7.1.1 Numbering
Before exiting the factory, phosphorous slag powder is numbered and sampled in accordance
with its grade. Each number is a sampling unit. The exit-factory No. of phosphorous slag
powder, in accordance with the annual production capacity of a single line of phosphorous slag
powder, is specified as follows.
7.2 Inspection
7.2.1 Exit-factory inspection
The exit-factory inspection items mainly include density, specific surface area, 7-d and 28-d
activity index, fluidity ratio, moisture content, sulfur trioxide content, phosphorous pentoxide
content and alkali content.
7.3 Determination Rules
7.3.1 Exit-factory inspection
If the results of the exit-factory inspection comply with the relevant technical requirements in
Chapter 5, they shall be deemed as qualified products. If any one of the inspection results does
not comply with the technical requirements, then, they shall be deemed as disqualified products.
7.4 Exit-factory Requirements
Phosphorous slag powder can only be allowed to exit the factory after it is confirmed that the
various technical indicators and packaging comply with the requirements. When exiting the
factory, the manufacturer shall provide the purchaser with relevant materials proving product
quality.
7.5 Inspection Report
The inspection report shall include the implemented standard, code, grade, exit-factory No.,
exit-factory inspection results, type and dosage of grinding aids, and other technical
requirements agreed in the contract.
7.6 Delivery and Acceptance
7.6.1 The quality of the phosphorous slag powder product upon delivery can be based on the
inspection results of physical samples, or the manufacturer’s inspection report of the same
number of phosphorous slag powder.
7.6.2 When the inspection results of physical samples are taken as the basis for acceptance, the
purchaser and the seller shall jointly take samples, sign and seal before shipment or at the place
of delivery. The sampling method shall comply with GB/T 12573, and the sampling size is 10
kg, divided into 2 equal parts.
7.6.3 When the inspection report of the phosphorous slag powder with the same number from
the manufacturer is taken as the acceptance basis, before shipment or at the time of delivery,
the purchaser (or entrusted seller) shall take specimens from the phosphorous slag powder with
the same number, and after being signed and sealed by both parties, they will be kept for 3
months.
8 Packaging, Marking, Transportation and Storage
8.1 Packaging
The phosphorous slag powder can be packed in bags or in bulk. The packaging form is
determined through negotiation between the purchaser and the seller. The net content of each
bag of bagged phosphorous slag powder shall be no less than 99% of the marked mass; the total
mass of 20 randomly taken bags (including the packaging bags) shall not be less than 100% of
the marked mass.
8.2 Marking
The packaging bag shall be clearly marked with the serial No. of this document, the
manufacturer’s name, product name, category and code, grade, packaging date and exit-factory
number. When packing in bulk, a card with the same content as the bag marking shall be
submitted.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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