JG/T 472-2015 English PDF

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JG/T 472-2015: Steel fiber reinforced concrete
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JG/T 472-2015	649	Add to Cart	5 days	Steel fiber reinforced concrete	Valid

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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Older Standard (superseded by this standard): JG/T 3064-1999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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