GBT51421-2020······1

1 總則······9

2 術(shù)語(yǔ)······10

3 規(guī)劃······12

4 設(shè)計(jì)······13

4.1 桿路勘測(cè)······13

4.2 桿路建筑設(shè)計(jì)······20

4.3 吊線(xiàn)規(guī)格設(shè)計(jì)······30

4.4 長(zhǎng)桿檔及跨越檔設(shè)計(jì)······33

5 施工······36

5.1 器材檢查······36

5.2 路由復(fù)測(cè)······36

5.3 立桿······38

5.4 桿路加固及防護(hù)裝置······48

5.5 吊線(xiàn)安裝及防護(hù)裝置······58

6 驗(yàn)收要求······71

6.1 驗(yàn)收文件······71

6.2 工程驗(yàn)收······72

7 運(yùn)行維護(hù)······75

附錄A 吊線(xiàn)原始安裝垂度······77

本標(biāo)準(zhǔn)用詞說(shuō)明······82

引用標(biāo)準(zhǔn)名錄······83

附：條文說(shuō)明······84

1 總則······87

3 規(guī)劃······88

4 設(shè)計(jì)······89

4.1 桿路勘測(cè)······89

4.2 桿路建筑設(shè)計(jì)······95

4.3 吊線(xiàn)規(guī)格設(shè)計(jì)······100

4.4 長(zhǎng)桿檔及跨越檔設(shè)計(jì)······106

5 施工······107

5.2 路由復(fù)測(cè)······107

5.3 立桿······107

5.4 桿路加固及防護(hù)裝置······109

5.5 吊線(xiàn)安裝及防護(hù)裝置······110

6 驗(yàn)收要求······111

6.1 驗(yàn)收文件······111