ICS29.280

CCSS82

中華人民共和國國家標準

GB/T25020.1—2025

代替GB/T25020.1—2010，GB/T25020.3—2016，GB/T25020.4—2016

電氣化鐵路接觸網(wǎng)支柱

第1部分：鋼支柱

Poleforoverheadcontactsystemofelectrifiedrailways—

Part1：Steelpole

2025?01?24發(fā)布2025?08?01實施

國家市場監(jiān)督管理總局

國家標準化管理委員會發(fā)布

GB/T25020.1—2025

目次

前言··························································································································Ⅲ

引言··························································································································Ⅴ

1范圍·······················································································································1

2規(guī)范性引用文件········································································································1

3術(shù)語和定義··············································································································2

4分類與表示方法········································································································2

4.1分類·················································································································2

4.2表示方法···········································································································3

5技術(shù)要求·················································································································3

5.1一般要求···········································································································3

5.2材料·················································································································4

5.3制造要求···········································································································4

5.4外形尺寸偏差·····································································································5

5.5結(jié)構(gòu)性能···········································································································6

6試驗方法·················································································································7

6.1外形尺寸···········································································································7

6.2鍍層·················································································································7

6.3結(jié)構(gòu)性能···········································································································7

7檢驗規(guī)則·················································································································7

7.1檢驗分類···········································································································7

7.2出廠檢驗···········································································································7

7.3型式檢驗···········································································································8

8標志與產(chǎn)品合格證···································································································10

9儲存及運輸············································································································10

附錄A（規(guī)范性）支柱外形尺寸及檢驗彎矩······································································11

附錄B（規(guī)范性）支柱結(jié)構(gòu)性能試驗方法·········································································22

Ⅰ

GB/T25020.1—2025

前言

本文件按照GB/T1.1—2020《標準化工作導則第1部分：標準化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)

定起草。

本文件是GB/T25020《電氣化鐵路接觸網(wǎng)支柱》的第1部分。GB/T25020已經(jīng)發(fā)布了以下部分：

——第1部分：鋼支柱。

本文件代替GB/T25020.1—2010《電氣化鐵路接觸網(wǎng)鋼支柱第1部分：格構(gòu)式支柱》、

GB/T25020.3—2016《電氣化鐵路接觸網(wǎng)鋼支柱第3部分：環(huán)形鋼管支柱》和GB/T25020.4—2016

《電氣化鐵路接觸網(wǎng)鋼支柱第4部分：H形支柱》，本文件合并修訂GB/T25020.1—2010、

GB/T25020.3—2016和GB/T25020.4—2016，與上述文件相比，除結(jié)構(gòu)調(diào)整和編輯性改動外，主要技

術(shù)變化如下：

a）增加了鋼板的技術(shù)要求（見5.2.1.2）；

b）增加了角鋼的技術(shù)要求（見5.2.1.3）；

c）增加了H型鋼的技術(shù)要求（見5.2.1.4）；

d）更改了鋼材剪切下料的環(huán)境溫度要求（見5.3.2.5，GB/T25020.1—2010的5.3.1.2，

GB/T25020.3—2016的5.3.2.2，GB/T25020.4—2016的5.3.2.3）；

e）更改了鍍層表面質(zhì)量的技術(shù)要求（見5.3.5.1，GB/T25020.1—2010的5.4.2.1，GB/T25020.3—

2016的5.5.1，GB/T25020.4—2016的5.4.1.2）；

f）更改了鍍層厚度的技術(shù)要求（見表1，GB/T25020.1—2010的5.4.4.1，GB/T25020.3—2016

的5.4.3，GB/T25020.4—2016的5.4.1.5）；

g）更改了構(gòu)件的外形尺寸技術(shù)要求（見表2、表3、表4，GB/T25020.1—2010的表3，GB/T25020.3—

2016的表3，GB/T25020.4—2016的表3）；

h）更改了出廠檢驗批量的要求（見7.2.3，GB/T25020.1—2010的7.1.2，GB/T25020.3—2016

的7.1.2，GB/T25020.4—2016的7.1.2）；

i）更改了合格性判定方法（見7.2.4，7.3.4，GB/T25020.1—2010的7.1.4、7.2.4，GB/T25020.3—

2016的7.1.4、7.2.4，GB/T25020.4—2016的7.1.4、7.2.4）

j）更改了型式檢驗條件的要求（見7.3.1，GB/T25020.1—2010的7.2.1，GB/T25020.3—2016

的7.2.1，GB/T25020.4—2016的7.2.1）；

k）更改了格構(gòu)式支柱的型號（見表A.1，GB/T25020.1—2010的4.1）；

l）增加了格構(gòu)式支柱的平行線路方向承載力檢驗彎矩的要求（見表A.2）；

m）更改了H形支柱的型號（見表A.4，GB/T25020.4—2016的4.1）；

n）刪除了錐形鋼管支柱類型（見GB/T25020.3—2016的表2）；

o）刪除了涂料涂裝要求（見GB/T25020.3—2016的5.4.6，GB/T25020.4—2016的5.4.2）。

請注意本文件的某些內(nèi)容可能涉及專利。本文件的發(fā)布機構(gòu)不承擔識別專利的責任。

本文件由全國軌道交通電氣設(shè)備與系統(tǒng)標準化技術(shù)委員會（SAC/TC278）提出并歸口。

本文件起草單位：中國鐵道科學研究院集團有限公司鐵道建筑研究所、中鐵電氣化局集團有限公

司、中鐵電氣化勘測設(shè)計研究院有限公司、中鐵電工保定制品有限公司、中國鐵路設(shè)計集團有限公司、

中鐵檢驗認證中心有限公司。

本文件主要起草人：仲新華、蘇婉玉、孫明新、周啟斌、劉峰濤、徐偉超、張曼華、邢彤、渠亞男、

胡會良、王家赫。

Ⅲ

GB/T25020.1—2025

本文件及其所代替文件的歷次版本發(fā)布情況為：

——GB/T25020.1—2010；

——GB/T25020.3—2010，2016年第一次修訂；

——GB/T25020.4—2010，2016年第一次修訂。

Ⅳ

GB/T25020.1—2025

引言

電氣化鐵路接觸網(wǎng)支柱按材質(zhì)分為鋼支柱和混凝土支柱。為了統(tǒng)一技術(shù)要求，增強通用性，

GB/T25020《電氣化鐵路接觸網(wǎng)支柱》給出了接觸網(wǎng)支柱的要求及指南，擬由兩個部分構(gòu)成。

——第1部分：鋼支柱。目的在于規(guī)定電氣化鐵路接觸網(wǎng)鋼支柱分類、技術(shù)要求、試驗方法、檢驗

規(guī)則等。

——第2部分：混凝土支柱。目的在于規(guī)定電氣化鐵路接觸網(wǎng)混凝土支柱分類、技術(shù)要求、試驗方

法、檢驗規(guī)則等。

Ⅴ

GB/T25020.1—2025

電氣化鐵路接觸網(wǎng)支柱

第1部分：鋼支柱

1范圍

本文件規(guī)定了電氣化鐵路接觸網(wǎng)鋼支柱的分類與表示方法、技術(shù)要求、試驗方法、檢驗規(guī)則、標志

與產(chǎn)品合格證、儲存及運輸。

本文件適用于電氣化鐵路接觸網(wǎng)鋼支柱，城市軌道交通采用的同類支柱參照執(zhí)行。

2規(guī)范性引用文件

下列文件中的內(nèi)容通過文中的規(guī)范性引用而構(gòu)成本文件必不可少的條款。其中，注日期的引用文

件，僅該日期對應(yīng)的版本適用于本文件；不注日期的引用文件，其最新版本（包括所有的修改單）適用于

本文件。

GB/T411型