GB/T 18046-2017 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 18046-2017 | English | 175 |
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Ground granulated blast furnace slag used for cement, mortar and concrete
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| GB/T 18046-2008 | English | 70 |
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Ground granulated blast furnace slag used for cement and concrete
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| GB/T 18046-2000 | English | 319 |
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GB/T 18046-2017: Ground granulated blast furnace slag used for cement, mortar 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/GBT18046-2017
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 91.100.10
Q 11
Replacing GB/T 18046-2008
Ground granulated blast furnace slag used for
cement, mortar and concrete
Issued on. DECEMBER 29, 2017
Implemented on. NOVEMBER 01, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
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 Components and materials... 6
5 Technical requirements... 6
6 Test method... 7
7 Inspection rules... 8
8 Factory-leaving, delivery and acceptance... 10
9 Packaging, marking, transportation and storage... 11
Appendix A (Normative) Determination methods of slag powder activity index,
mobility ratio and initial setting time ratio... 12
Appendix B (Normative) Determination method of slag powder water content
... 15
Appendix C (Normative) Determination method of slag powder glass content
... 17
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard replaces GB/T 18046-2008 “Ground granulated blast furnace
slag used for cement and concrete”. Compared with GB/T 18046-2008, the
main changes are as follows.
-- Add "mortar" to the standard name;
-- In the technical requirements, add two indicators of "initial setting time ratio
and insoluble matter" of slag powder (see Chapter 5);
-- In the technical requirements, change the 7 d activity index of S95 slag
powder from "not less than 75%" to "not less than 70%"; change the loss
on ignition of slag powder from "not more than 3.0%" to "not more than
1.0%" (see Chapter 5, Chapter 5 of version 2008);
-- Change the chloride ion test method from "perform according to JC/T 420"
to "perform according to GB/T 176" (see 6.5, 6.3 of version 2008);
-- Add inspection items of "initial setting time ratio, loss on ignition and
insoluble matter" in factory inspection (see 7.3, 7.2.2 of version 2008);
-- Add technical requirements of "3 d compressive strength" for the
comparative cement; change the specific surface area from "300 m2/kg ~
400 m2/kg" to "350 m2/kg ~ 400 m2/kg" (see A.2.1, A.3.1 of version 2008).
This Standard was proposed by China Building Materials Federation.
This Standard shall be under the jurisdiction of National Technical Committee
184 on Cements of Standardization Administration of China (SAC/TC 184).
The main drafting organizations of this Standard. China Building Materials
Academy, Shanghai Baotian New Type Building Material Co., Ltd., K. Wah
Construction Materials Limited, MCC Energy Conservation and Environmental
Protection Co., Ltd., Xiamen ISO Standard Sand Co., Ltd.
Organizations that participate in the drafting of this Standard. Jiangsu Shagang
Group Co., Ltd., Guangdong Shaogang Jiayang New Materials Co. Ltd.,
Tangshan Caofeidian Dunshi New Building Material Co., Ltd., Guangxi Yufeng
Cement Stock Co., Ltd., Taizhou Zhonghai Building Material Co., Ltd., Beijing
Jinyu Cement Energy Saving Technology Co. Ltd., Singapore EnGro Co., Ltd.,
Tangshan Tanglong New Building Material Co., Ltd., Anshan Iron & Steel Group
Corporation Slag Development Company, Wuhan Wuxin New Building
Materials Co., Ltd., Anhui Masteel K. Wah New Building Materials Co., Ltd.,
Jinan Luxin Materials Co. Ltd., Shenzhen Grandland Group Co. Ltd., Fujian
Yuanxin Environmental Protection Technology Co., Ltd., Shanghai Research
Institute of Building Sciences, Zhejiang Xiaoshan Jianhong Commodity
Concrete Co. Ltd., Chengdu Jiangong Chengxin Concrete Engineering Co. Ltd.,
Shenzhen Gangchuang Building Materials Co. Ltd., Jintaicheng Environmental
Resources Co., Ltd., Zhuzhou Hongxin Technology Development Co., Ltd.,
Chongqing Construction Engineering Eighth Construction Co., Ltd.,
Guangdong Building Research Institute Group Co., Ltd., Hebei Construction
Group Corporation Limited, China West Construction Group Co. Ltd., Beijing
Chengjian Building Material Co., Ltd., China Nuclear Building Materials Co.,
Ltd., Fuzhou Taiyu Concrete Co., Ltd., Xiamen Zhixin Building Materials Group
Co., Ltd., Xiamen Yukun Municipal Garden Engineering Co., Ltd., Shanghai
Jianke Technical Assessment of Construction Co., Ltd., Shandong Tiezheng
Engineering Test and Inspection Center Co., Ltd., Hubei Zhongjingheng
Building Inspection Technology Co., Ltd., Fujian Academy of Building Research,
Shenzhen Antuoshan Concrete Co. Ltd., Beijing Urban Construction Concrete
Co., Ltd., CCCC Shanghai Sanhang Scientific Research Institute Co., Ltd., No.
3 Construction Engineering Group Co., Ltd. Of Guizhou Construction and
Engineering Group, Shanghai Construction Group Co., Ltd., Ningbo Huanqiu
Construction Material Co. Ltd., Jiangxi Hongfu Building Material Co., Ltd.,
Beijing Construction Engineering Quality No. 2 Inspection Institute.
The drafters of this Standard. Liu Chen, Zheng Xu, Yan Bilan, Jiang Lizhen,
Kang Ming, Cao Liying, Zhang Hua, Li Xiaobo, Wu Yi, Wei Liying, Yang
Genhong, Song Xiaoming, Jiang Shanping, Lu Jinhai, Cheng Xiaoguang, Zhao
Xinzhong, Chen Enyi, Li Xiaoyang, Lu Zhongfei, Wang Zongsen, Li Peiyan,
Wang Bin, Gao Bo, Wang Jianwei, Chen Shanghong, Li Feng, Shi Chengdong,
Hao Junzhong, Yang Dong, Zheng Jing, Xia Chun, Li Shaoqiang, Wang
Chengqi, Liu Jun, Yang Lixiang, Wang Junju, Du Zengqiang, Deng Minhui, Cao
Hong, Wu Chenghui, Zhang Youcan, Yang Wei, Zhao Hukui, Zhu Lixin, Zhang
Dongyuan, Wu Yongchuan, Lin Guozhong, Wang Shengcheng, You
Zhongpeng, Chen Zhenfa, Lu Aimin, Jiao Hengxin, Zhou Min, Qi Wenli, Ma
Zhaomo, Deng Wei, Gong Jian, Xu Lei, Lu Zhangmin, Zhang Jianqiang, He
Yuqing, Wen Peiyan.
The previous versions of the standards which are replaced by this Standard are.
-- GB/T 18046-2000, GB/T 18046-2008.
Ground granulated blast furnace slag used for
cement, mortar and concrete
1 Scope
This Standard specifies the definition, components and materials, technical
requirements, test methods, inspection rules, factory-leaving, delivery and
acceptance, packaging, marking, transportation and storage of ground
granulated blast furnace slag powder (hereinafter referred to as slag powder).
This Standard applies to the ground granulated blast furnace slag powder that
is used for cement mixture, mortar and concrete admixture.
2 Normative references
The following documents are indispensable for the application of this document.
For dated references, only the dated version applies to this document. For
undated references, the latest edition (including all amendments) applies to this
document.
GB 175, Common Portland Cements
GB/T 176, Methods for chemical analysis of cement
GB/T 203, Granulated blast furnace slag used for cement production
GB/T 208, Test method for determining cement density
GB/T 1346, Test methods for water requirement of normal consistency,
setting time and soundness of the Portland cement
GB/T 2419, Test method for fluidity of cement mortar
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
3 Terms and definitions
The following terms and definitions are applicable to this document.
3.1 Ground granulated blast furnace slag powder
It takes ground granulated blast furnace slag as the main raw material, and
adds a small amount of natural gypsum, to grind into powder of a certain
fineness.
4.1 Slag
Ground granulated blast furnace slag powder that meets the requirements of
GB/T 203.
4.2 Natural gypsum
Gypsum or mixed gypsum that meets the requirements above type-G or type-
M level-II (included) of GB/T 5483.
4.3 Grinding aids
It meets the requirements of GB/T 26748, and its added amount does not
exceed 0.5% of the slag powder mass.
6 Test method
6.1 Density
Perform according to GB/T 208.
6.2 Specific surface area
Perform according to GB/T 8074.For the calibration of the apparatus for Blaine
method, uses GSB 08-3387, Ground granulated blast furnace slag powder
fineness and specific surface area standard sample or other reference
materials of the same grade; the former shall prevail in case of dispute.
6.5 Sulfur trioxide, chloride ion, insoluble matter
Perform according to GB/T 176.
6.6 Loss on ignition
Perform according to GB/T 176.
The error that is caused by sulfide oxidation during the burning of the slag
powder can be corrected by Formula (1) and Formula (2).
6.7 Glass content
Perform according to Appendix C.
6.8 Radioactivity
Perform according to GB 6566, where the radioactivity test sample is made by
slag powder and Portland cement in a mass ratio of 1.1.
7 Inspection rules
7.1 Batching and sampling
7.1.1 Batching
Slag powder is batched and sampled at the same level before leaving the
factory. Each batch number is a sampling unit. The slag powder factory batch
number is specified according to the annual production capacity of slag powder
single line as.
7.1.2 Sampling method
Perform sampling in accordance with the provisions of GB/T 12573.The
sampling shall be representative. Continuous sampling can be performed.
Equal samples can also be taken from more than 20 locations, with a total of at
least 20 kg.
7.2 Inspection
7.2.1 Factory inspection
The factory inspection items are density, specific surface area, activity index,
mobility ratio, initial setting time ratio, water content, sulfur trioxide, loss on
ignition, and insoluble matter.
7.2.2 Type inspection
The type inspection items are all the technical requirements of Chapter 5.In
any of the following cases, type inspection shall be carried out.
7.3 Decision rules
7.3.1 Delivery inspection
7.3.2 Type inspection
7.3.2.1 Products, of which the type inspection result meets the technical
requirements in Chapter 5, are qualified.
7.4 Inspection report
The content of the inspection report shall include the batch number, inspection
items, the type and amount of gypsum and grinding aids, and other technical
requirements that are agreed in the contract.
8 Factory-leaving, delivery and acceptance
8.1 Slag powder factory-leaving
Only when the technical specifications and packaging of the slag powder are
confirmed to meet the requirements, it can leave the factory.
8.2 Delivery and acceptance
8.2.1 The quality acceptance of the slag powder at the time of delivery can be
based on the test results of the physical samples, or the inspection report of the
same batch of slag powder by the seller.
8.2.2 When the inspection result of the physical sample is taken as the
acceptance basis, the buyer and the seller shall jointly sample and sign the seal
before delivery or at the place of delivery.
8.2.3 When the inspection report of the same batch of slag powder from the
same production plant is used as the basis for acceptance, the buyer (or the
entrusted seller) shall take samples from the same batch of slag powder before
delivery or during delivery, and keep it for two months after both parties have
jointly signed the seal.
9 Packaging, marking, transportation and storage
9.1 Packaging
Slag powder can be packaged in bags or in bulk. For those packaged in bags,
the net content of each bag is 50 kg, and it must not be less than 99% of the
marked weight.
9.2 Marking
The packaging bag shall be clearly marked. the name of the manufacturer,
product name, grade, packaging date and batch number. Gypsum-containing
slag powder shall also be marked with "gypsum". For those packaged in bulk,
cards with the same content as the bag logo shall be submitted.
9.3 Transportation and storage
The slag powder must not be wet and mixed with debris during transportation
and storage.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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