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GB/T 25020.4-2016 English PDF

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GB/T 25020.4-2016: Steel pole for overhead contact system of electrified railways -- Part 4: H section pole
Status: Valid

GB/T 25020.4: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 25020.4-2016	English	519	Add to Cart	5 days [Need to translate]	Steel pole for overhead contact system of electrified railways -- Part 4: H section pole	Valid	GB/T 25020.4-2016
GB/T 25020.4-2010	English	919	Add to Cart	4 days [Need to translate]	Steel pole for overhead contact system of electrified railway -- Part 4: H section pole	Obsolete	GB/T 25020.4-2010

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Basic data

Standard ID	GB/T 25020.4-2016 (GB/T25020.4-2016)
Description (Translated English)	Steel pole for overhead contact system of electrified railways -- Part 4: H section pole
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	S82
Classification of International Standard	29.280
Word Count Estimation	26,235
Date of Issue	2016-12-13
Date of Implementation	2017-07-01
Older Standard (superseded by this standard)	GB/T 25020.4-2010
Regulation (derived from)	National Standard Announcement No.118 of 2016
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 25020.4-2016: Steel pole for overhead contact system of electrified railways -- Part 4: H section pole

---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 pole for overhead contact system of electrified railways - Part 4. H section pole ICS 29.280 S82 National Standards of People's Republic of China Replace GB/T 25020.4-2010 Electrified railway catenary steel pillar Part 4. H - shaped pillars Part 4. Hsectionpole 2016-12-13 released 2017-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China China National Standardization Management Committee released Directory Preface III 1 Scope 1 2 normative reference document 1 3 Terms and definitions 1 Classification and naming 5 Technical requirements 6 6 Test Method 9 7 Inspection rules 10 8 logo and product certification 12 9 storage and transportation 13 Appendix A (informative) Technical requirements for fluorocarbon coating systems 14 Appendix B (Normative Appendix) Test Method for Structural Performance of H - shaped Steel Columns Reference 21

Foreword

GB/T 25020 "electrified railway contact steel pillar" is divided into the following four parts. - Part 1. Lattice pillars; - Part 2. square steel pipe struts; Part 3. Ring steel pipe struts Part 4. H-shaped pillars. This part is part 4 of GB/T 25020. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part replaces GB/T 25020.4-2010 "Electrified Railway Catenary Steel Pillar Part 4. H-shaped Pillar". The main technical changes in this part compared to GB/T 25020.4-2010 are as follows. - modified some normative references (see Chapter 2, Chapter 2 of the.2010 edition); - modified the standard test bending of the pillars (see 4.1.1, 4.1 of.2010); - Increased technical requirements for greater than 25 mm deflection (see 5.5); - Revision of the pillar vertical test method (see Appendix B, Appendix B of the.2010 edition). This part of the State Railway Bureau proposed and centralized. This part of the drafting unit. China Railway Research Institute of Railway Construction Research Institute, China Railway Electrification Bureau Group Co., Ltd., China Railway electrification Survey and Design Institute Co., Ltd., China Railway Electrification Bureau Group Baoding Products Co., Ltd., Ministry of Railways product quality supervision and inspection center, China Railway Electrotechnical Bureau Deyang Products Co., Ltd., China Railway Engineering Design Consulting Group Co., Ltd., Baoji contact network equipment testing center. The main drafters of this part. Wei Qiwei, An Xiangying, Liu Fengtao, Zhong Xinhua, Dai Xianxing, Zhang Hongwu, Zhu Changhua, Gao Yaocong. This part of the previous version of the standard to replace the release of the situation. --- GB/T 25020.4-2010. Electrified railway catenary steel pillar Part 4. H - shaped pillars

1 Scope

This part of GB/T 25020 specifies the product classification, technical requirements, inspection methods, inspection methods for electrified railway catenary H-shaped steel struts Inspection rules, signs and factory certificates, storage and transportation. This part applies to electrified railway catenary H-shaped steel pillars (hereinafter referred to as H-shaped steel columns), urban rail transit using similar Shielded H-shaped steel columns can be implemented with reference to this section.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 470 zinc ingots GB/T 700 carbon structural steel GB/T 1591 low alloy high strength structural steel GB/T 2694 transmission line tower manufacturing technical conditions GB/T 3181 film color standard GB/T 4956 Magnetic properties of non - magnetic coatings on magnetic substrates GB/T 5117 non alloy steel and fine grain steel electrode GB/T 5118 heat steel electrode GB/T 5210 Paints and varnishes - Adhesion test Carbon steel wire and flux for submerged arc welding GB/T 5293 GB/T 8110 carbon steel for gas protection arc welding, low alloy wire Test for GB/T 9286 Paints and varnishes GB/T 9761 viscous color of paint and varnish paint GB/T 11263 Hot-rolled H-beam and split T-shaped steel Non - destructive measurement of thermal spray coating thickness GB/T 11374 Low - alloy steel welding wire and flux for submerged arc welding GB/T 12470 GB/T 13452.2 Paints and varnishes - Determination of film thickness Technical requirements and test methods for hot - dip galvanizing of steel - clad steel parts GB/T Code for design of steel structure GB 50017 Code for acceptance of construction quality of steel structure engineering GB 50205

3 terms and definitions

The following terms and definitions apply to this document.

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