GB/T51421-2020：架空光（电）缆通信杆路工程技术标准

GBT51421-2020······1

1 总则······9

2 术语······10

3 规划······12

4 设计······13

4.1 杆路勘测······13

4.2 杆路建筑设计······20

4.3 吊线规格设计······30

4.4 长杆档及跨越档设计······33

5 施工······36

5.1 器材检查······36

5.2 路由复测······36

5.3 立杆······38

5.4 杆路加固及防护装置······48

5.5 吊线安装及防护装置······58

6 验收要求······71

6.1 验收文件······71

6.2 工程验收······72

7 运行维护······75

附录A 吊线原始安装垂度······77

本标准用词说明······82

引用标准名录······83

附：条文说明······84

1 总则······87

3 规划······88

4 设计······89

4.1 杆路勘测······89

4.2 杆路建筑设计······95

4.3 吊线规格设计······100

4.4 长杆档及跨越档设计······106

5 施工······107

5.2 路由复测······107

5.3 立杆······107

5.4 杆路加固及防护装置······109

5.5 吊线安装及防护装置······110

6 验收要求······111

6.1 验收文件······111