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JG/T 387-2012: Filled epoxy-coated prestressing steel strand
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| JG/T 387-2012 | English | 364 |
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Filled epoxy-coated prestressing steel strand
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JG/T 387-2012
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PDF similar to JG/T 387-2012
Standard similar to JG/T 387-2012 GB/T 4232 GB/T 342 GB/T 2104 JGJ 387 Basic data | Standard ID | JG/T 387-2012 (JG/T387-2012) | | Description (Translated English) | Filled epoxy-coated prestressing steel strand | | Sector / Industry | Building & Construction Industry Standard (Recommended) | | Classification of Chinese Standard | H49 | | Classification of International Standard | 77.140.65 | | Word Count Estimation | 19,123 | | Quoted Standard | GB/T 228.1-2010; GB/T 2103; GB/T 5224; GB/T 8923; GB/T 10125; GB/T 13452.2; GB/T 14684; SY/T 0040; ISO 6272-2 | | Adopted Standard | ASTM A882-2004a (2010), IDT | | Regulation (derived from) | Bulletin of the Ministry of Housing and Urban No. 1467; industry standard filing Notice 2012 No. 11 (total 155) | | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China | | Summary | This standard specifies the filled epoxy-coated prestressing steel wire pattern classification and marking, materials, prestressing strand coating pre-treatment, coating and repair, requirements, test methods, inspection rules, marking, packaging and qual | JG/T 387-2012: Filled epoxy-coated prestressing steel strand---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.
Filled epoxy-coated prestressing steel strand
ICS 77.140.65
H49
People's Republic of China building industry standards
Epoxy coated prestressed strand
Posted on.2012-09-21
2013-02-01 implementation
Ministry of Housing and Urban-Rural Development, People's Republic of China released
Directory
Preface Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions, symbol 1
4 classification and marking 2
5 material 2
6 prestressed strand pre-coating, coating and repair 3
7 Requirements 3
8 Test Method 5
9 inspection rules 5
10 logo, packaging and quality certificate 7
Appendix A (Normative) Epoxy coating technical requirements 8
Appendix B (Informative) Determination of frictional properties of epoxy coated steel strands 13
Appendix C (Informative) Epoxy coated steel strand drawing test 15
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard uses the translation method identical with ASTMA882-04a (2010) "Epoxy coated filled seven-wire prestressing strand standard, and
The main technical differences of ASTMA882-04a (2010) are as follows.
--- Canceled the 6.35mm, 7.94mm, 9.53mm specifications epoxy coated prestressed steel strand;
--- Increased 15.7mm, 17.8mm, 21.6mm specifications epoxy coated prestressed steel strand;
--- Supplemented epoxy-coated prestressing strand physical and mechanical properties;
--- Added Appendix B epoxy coated prestressed steel wire friction performance test method.
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. Tongji University.
Participated in the drafting of this standard. Shanghai Tongji Architectural Design Co., Ltd., Shanghai Institute of Architectural Design Co., Ltd., Jiangyin Fall
Shengzhengdian New Material Co., Ltd., Hangzhou Municipal Engineering Group Co., Ltd., Shanghai Nuclear Engineering Research and Design Institute, China Shipbuilding Ninth Design and Research Institute
Engineering Co., Ltd., China Chemical Industry Guilin Engineering Co., Ltd., China Railway Shanghai Design Institute Group Co., Ltd., Shanghai Tianhua architectural design
Limited company.
The main drafters of this standard. Xiong Xueyu, Li Yaming, Wang Jishu, Jin Ping, Zhou Songguo, Li Shao Ping, Cai Huiju, Li Ming, peak, Xu Kaiqi,
Wu Hong, Liu Jianhong, Fei Hanbing, Yang Jingping, Xie Wanglan.
Epoxy coated prestressed strand
1 Scope
This standard specifies the classification and marking of filled epoxy-coated prestressed steel strands, pre-treatment of materials, prestressed strand, coating
Cover and repair, requirements, test methods, inspection rules, signs, packaging and quality certificates.
This standard applies to filled epoxy coating prestressed strand production and testing.
This standard does not apply to monofilament spray type epoxy coated prestressed steel wire.
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.
Tensile testing of metallic materials - Part 1. Test methods at room temperature GB/T 228.1-2010
GB/T 2103 wire acceptance, packaging, marking and quality certificate of the general provisions
GB/T 5224 strand for prestressed concrete
GB/T 8923 steel surface coating before rust level and rust level
GB/T 10125 artificial atmosphere corrosion test salt spray test
GB/T 13452.2 Paints and varnishes - Determination of film thickness
GB/T 14684 building sand
SY/T 0040 pipeline coating anti impact test method (drop hammer test method)
ISO 6272-2 Paints and varnishes Rapid Impact (Impact) test [Paintsandvarnishes-Rapid-deformation (im-
pactresistance) tests-Part 2. Faling-weighttest, smal-areaindenter]
3 Terms and definitions, symbols
The following terms and definitions, symbols apply to this document.
3.1 Terms and definitions
3.1.1
Filled Epoxy Coated Strand filedepoxy-coatedstrand
The outer layer is coated with a fusion bonded epoxy coating, the interstices between the wires being completely filled by the fusion bonded epoxy coating to prevent corrosive media from passing through the hairs
Fine force or other hydrostatic invasion of prestressed steel wire. In accordance with whether the surface is embedded sand into the embedded sand epoxy coating prestressed steel
Stranded and smooth epoxy coated prestressing strand.
3.1.2
Fusion bonded epoxy coating fusion-bondedepoxycoating
Coatings comprising pigments, thermosetting epoxy resins, crosslinkers and other additives are applied in powder form on a clean and preheated gold
Is a matrix, melting to form a continuous coating.
3.1.3
Bonding failure disbonding
Melt bond between epoxy coating and strand loses bond.
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