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JG/T 477-2015 English PDF

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JG/T 477-2015: Evaporation retardants for concrete during plastic stage
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JG/T 477-2015English279 Add to Cart 3 days [Need to translate] Evaporation retardants for concrete during plastic stage Valid JG/T 477-2015

PDF similar to JG/T 477-2015


Standard similar to JG/T 477-2015

JGJ/T 308   JC/T 985   TB/T 1878   JG/T 568   JG/T 520   JGJ/T 477   

Basic data

Standard ID JG/T 477-2015 (JG/T477-2015)
Description (Translated English) Evaporation retardants for concrete during plastic stage
Sector / Industry Building & Construction Industry Standard (Recommended)
Classification of Chinese Standard Q13
Classification of International Standard 91.100.30
Word Count Estimation 12,131
Date of Issue 2015-07-03
Date of Implementation 2016-01-01
Quoted Standard GB/T 1346; GB/T 8075; GB 8076-2008; GB/T 8077; GB 18582; GB/T 25650; GB/T 50081; GB/T 50082-2009; JC/T 729; JG 244-2009; JTG E30-2005
Regulation (derived from) Ministry of Housing and Urban-Rural Development Announcement No.851
Issuing agency(ies) Ministry of Housing and Urban-Rural Development of the People's Republic of China
Summary This standard specifies the terms and definitions, marks, requirements, test methods, inspection rules, packaging, transport and storage of moisture retardants for concrete in the plastic phase. This standard is applicable to the plastic phase water vaporization inhibitor of cement paste, cement mortar and concrete.

JG/T 477-2015: Evaporation retardants for concrete during plastic stage

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Evaporation retardants for concrete during plastic stage ICS 91.100.30 Q13 People's Republic of China building industry standards Concrete plastic stage moisture evaporation inhibitor Posted on.2015-07-03 2016-01-01 implementation Ministry of Housing and Urban-Rural Development, People's Republic of China released Directory Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 mark 2 5 Requirements 2 6 test methods 3 7 inspection rules 4 8 packaging, product accompanying documents, transport and storage 5 Appendix A (Normative) Water evaporation inhibition rate test method 6 Appendix B (Normative) Concrete specimen preparation and conservation 8

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard proposed by the Ministry of Housing and Urban Standard and Design Institute. This standard by the Ministry of Housing and Urban Construction Building Standardization Technical Committee centralized. This standard was drafted. Jiangsu Academy of Building Research Co., Ltd., Jiangsu Double Building Group Co., Ltd., Jiangsu Suboter new material Materials Co., Ltd., China Three Gorges Corporation, China Railway Science Research Institute, China Building Materials Research Institute, China Construction Research Institute of Science and Technology Co., Ltd., the construction of Western Construction Co., Ltd., Northwest China Railway Research Institute Co., Ltd., China Railway Second Bureau Group Xinyun Engineering Co., Ltd., Gansu Academy of Building Research, Qinghai Provincial Building Materials Science Research Institute, Tianjin Building Science Research Institute Co., Ltd., Shaanxi Provincial Academy of Building Research, Xinjiang Yu Xin Concrete Co., Ltd., Jiangsu Golden Civil Construction Group Co., Ltd., Jiangsu Wujin Construction Group Co., Ltd., Suzhou No. 5 Construction Group Co., Ltd. The main drafters of this standard. Liu Jiaping, Liu Jianhua, Li Wenwei, Li Huajian, Li Lei, Tian Qian, Wang Wei, Wang Ling, Zhao Xiao Long, Wang Jun, Lin Guohui, Liang Xiaoming, Zhao Guozhi, Li Chunhai, Si Fanghai, Bian Zhigang, Wenhui Qing, Cao Dan, Li Qiujian. Concrete plastic stage moisture evaporation inhibitor

1 Scope

This standard specifies the terms and definitions of concrete plastic phase moisture evaporation inhibitor, marking, requirements, test methods, inspection rules, package Loading, transportation and storage. This standard applies to the cement paste, cement mortar and concrete plasticity stage of water evaporation inhibitor.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 1346 cement standard consistency of water consumption, setting time, stability testing methods GB/T 8075 concrete admixtures definition, classification, nomenclature and terminology Concrete admixtures Test method for uniformity of GB/T 8077 concrete admixtures GB 18582 interior decoration materials, interior wall coatings harmful substances GB/T 25650 concrete vibrating table GB/T 50081 ordinary concrete mechanical properties of test methods and standards Standard test methods for long - term performance and durability of common concrete GB/T 50082-2009 JC/T 729 cement paste mixer JG 244-2009 Concrete test mixer Test code for cement and concrete of highway engineering JTGE30-2005

3 Terms and definitions

GB/T 8075 defined and the following terms and definitions apply to this document. 3.1 Evaporation evaporation inhibitors evaporationretardants A spray applied to the surface of the cement paste, cement mortar or concrete that is still being formed in the plastic phase to form a monomolecular film that is effective Materials that inhibit the evaporation of their surface moisture. 3.2 Plastic stage plasticstage Cement paste, cement mortar or concrete before the final stage of coagulation. 3.3 Reference concrete referenceconcrete In accordance with the provisions of this standard test method is not sprayed with water evaporation inhibitor of concrete. 3.4 Inspected concrete testconcrete In accordance with the provisions of this standard test method for the preparation of spray moisture evaporation inhibitor concrete.

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