GBT51421-2020······1

1 總則······9

2 術語······10

3 規劃······12

4 設計······13

4.1 桿路勘測······13

4.2 桿路建筑設計······20

4.3 吊線規格設計······30

4.4 長桿檔及跨越檔設計······33

5 施工······36

5.1 器材檢查······36

5.2 路由復測······36

5.3 立桿······38

5.4 桿路加固及防護裝置······48

5.5 吊線安裝及防護裝置······58

6 驗收要求······71

6.1 驗收文件······71

6.2 工程驗收······72

7 運行維護······75

附錄A 吊線原始安裝垂度······77

本標準用詞說明······82

引用標準名錄······83

附：條文說明······84

1 總則······87

3 規劃······88

4 設計······89

4.1 桿路勘測······89

4.2 桿路建筑設計······95

4.3 吊線規格設計······100

4.4 長桿檔及跨越檔設計······106

5 施工······107

5.2 路由復測······107

5.3 立桿······107

5.4 桿路加固及防護裝置······109

5.5 吊線安裝及防護裝置······110

6 驗收要求······111

6.1 驗收文件······111