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JG/T 472-2015: Steel fiber reinforced concrete
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Steel fiber reinforced concrete
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JG/T 472-2015
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PDF similar to JG/T 472-2015
Standard similar to JG/T 472-2015 GB/T 43191 GB/T 15284 JGJ/T 472 Basic data | Standard ID | JG/T 472-2015 (JG/T472-2015) | | Description (Translated English) | Steel fiber reinforced concrete | | Sector / Industry | Building & Construction Industry Standard (Recommended) | | Classification of Chinese Standard | N25 | | Classification of International Standard | 93.02 | | Word Count Estimation | 28,215 | | Date of Issue | 2015-03-04 | | Date of Implementation | 2015-09-01 | | Older Standard (superseded by this standard) | JG/T 3064-1999 | | Quoted Standard | GB 175; GB 200; GB/T 1596; GB 8076; GB/T 14902; GB/T 18046; GB/T 20491; GB/T 25176; GB/T 25177; GB/T 27690; GB/T 28293; GB 50010; GB/T 50080; GB/T 50081; GB/T 50082; GB/T 50107; GB 50119; GB 50164; GB 50204; GB/T 50476; JC 477; JG/T 248; JG/T 351; JGJ/T 10; JGJ 52; JGJ 55; JGJ 63; JGJ/T 193; JGJ/T 221; JGJ/T 240; JGJ/T 281; JGJ/T 283; JGJ/T 322 | | Regulation (derived from) | ?Ministry of Housing and Urban-Rural Development Announcement No.758 | | 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 of steel fiber reinforced concrete, symbols, performance level, and the mix of raw materials, performance requirements, preparation, test methods and inspection rules. This Standard applies to steel fiber reinforced concrete fiber volume ratio of not more than 3%. | JG/T 472-2015: Steel fiber reinforced concrete---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.
Steel fiber reinforced concrete
ICS 93.020
N25
People's Republic of China building industry standards
Replacing JG/T 3064-1999
Steel fiber concrete
2015-03-04 released
2015-09-01 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, symbol 2
3.1 Terms and definitions 2
3.2 Symbol 2
4 Performance Level 3
5 raw materials and mix 3
5.1 steel fiber 3
5.2 Cement 4
5.3 aggregate 4
5.4 water 4
5.5 admixture 4
5.6 Mineral admixtures 4
5.7 with the ratio of 4
6 performance requirements 5
6.1 Mixture properties 5
6.2 Mechanical Properties 6
6.3 Long-term performance and durability 7
7 Preparation 7
7.1 General requirements 7
7.2 mixing 8
7.3 Transport, pouring and forming 8
8 Test Method 8
8.1 Test piece production and maintenance 8
8.2 Mixture properties 9
8.3 Mixture of steel fiber content 10
8.4 jet steel fiber reinforced steel fiber content 11
8.5 Intensity 11
8.6 Modulus of Elasticity 12
8.7 Flexural toughness 12
8.8 Long-term performance 14
8.9 Durability 14
Inspection rules 15
9.1 General Requirements 15
9.2 Quality Assessment 15
Appendix A (Normative) Classification of steel fibers, quality requirements and inspection rules 16
Appendix B (Normative) Steel fiber quality inspection methods 18
Appendix C (Informative) Steel fiber reinforced concrete and existing concrete bonding and durability test method 22
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces JG/T 3064-1999 "steel fiber concrete." The main technical changes compared with JG/T 3064-1999 are as follows.
--- Modify the scope of the standard;
--- Increasing the classification of steel fiber concrete performance levels;
--- Increase the provisions of the classification of tensile strength of steel fiber, steel fiber production process increased by wire scraping type;
--- Revised and improved steel fiber quality inspection methods;
--- Increase the cement, aggregate, water, additives, mineral admixtures, such as the technical requirements and inspection requirements;
--- Modify the steel fiber concrete mix design method;
--- Refine and improve the mechanical properties of steel fiber reinforced concrete calculation method, an increase of the tensile strength, the standard value of bending strength
coefficient;
--- Increasing the performance of steel fiber reinforced concrete mixture and the test method of steel fiber content and steel fiber concrete chloride ion content
Testing method;
--- Increased steel fiber reinforced concrete bending fatigue strength, compression and tensile modulus, shear modulus, Poisson's ratio and linear expansion
Number of mechanical properties such as the requirements and the corresponding test methods;
--- Increasing the shrinkage of steel fiber reinforced concrete, creep properties and steel fiber concrete resistance to chloride ion penetration of the technical requirements and
Its corresponding test method;
--- Modify the calculation and evaluation method of flexural toughness of steel fiber reinforced concrete;
--- Increasing the steel fiber concrete and existing concrete bonding and durability of the technical requirements and test methods;
--- Refine and improve the test rules of steel fiber concrete.
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 is drafted by. Zhengzhou University, Dalian Jin Guang Construction Group Co., Ltd.
Participated in the drafting of this standard. North China University of Hydraulic and Electrician, Dalian University of Technology, Southeast University, Shanghai Bekaert - two steel limited
Division, Shanghai Harix Steel Fiber Co., Ltd., Zhengzhou Yu Jian Steel Fiber Co., Ltd.
The main drafters of this standard. Gao Dan surplus, Zhu Haitang, Zhao Shunbo, Ho Southern, Sun Wei, Sun Bin, Zhang Xuejun, Chen Jianqing, Zhao Jun, Li Xiao Ke,
Jiang Jinyang, Cheng Hongqiang, Li Changyong, Wang Yongpeng.
This standard replaces the standards previously issued as follows.
--- JG/T 3064-1999.
Steel fiber concrete
1 Scope
This standard specifies the terms and definitions of steel fiber reinforced concrete, symbols, performance levels, raw materials and mix, performance requirements, preparation, testing
Methods and inspection rules.
This standard applies to steel fiber volume ratio of not more than 3% of steel fiber concrete.
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 175 Universal portland cement
Thermal Portland cement low heat Portland cement low heat slag Portland cement
GB/T 1596 for the cement and concrete fly ash
GB 8076 concrete admixture
GB/T 14902 ready-mixed concrete
GB/T 18046 used in cement and concrete granulated blast furnace slag
GB/T 20491 used in cement and concrete slag powder
Recycled fine aggregate for concrete and mortar
GB/T 25177 recycled coarse aggregate for concrete
GB/T 27690 mortar and concrete with silica fume
GB/T 28293 steel slag powder
GB 50010 Design code for concrete structures
GB/T 50080 ordinary concrete mixture performance test method standard
GB/T 50081 ordinary concrete mechanical properties of test methods and standards
GB/T 50082 ordinary concrete long-term performance and durability test methods standards
GB/T 50107 concrete strength test evaluation standards
GB 50119 Concrete admixture application technical specifications
GB 50164 concrete quality control standards
Acceptance code for construction quality of concrete structures GB 50204
GB/T 50476 Design of durability of concrete structures
JC477 quick-setting admixture for shotcrete
JG/T 248 concrete slump meter
JG/T 351 Natural pozzolanic materials for cement mortar and concrete
Technical specification of JG J/T 10 concrete pumping construction
JG J52 Ordinary concrete sand, stone quality and test methods standards
JG J55 ordinary concrete mix design rules
JG J63 concrete water standards
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