Q∕GDW 12667.2-2025输变电工程防灾抗灾设计规范 第2部分：架空线路

ICS 29.240 CCS P 62 备案号：68965-2019 国家电网有限公司企业标准 Q/GDW 12667.2—2025 输变电工程防灾抗灾设计规范 第 2 部分：架空线路 Code for design of disaster prevention and mitigation of power transmission and transformation project — Part 2: Overhead transmission line 2025-08-31发布 2025-08-31实施 国家电网有限公司 发 布 Q/GDW 12667.2—2025 目 次 前言··································································································································································III 1 范围······························································································································································ 1 2 规范性引用文件·········································································································································· 1 3 术语和定义·················································································································································· 1 4 总则······························································································································································ 2 5 路径选择······················································································································································ 3 6 风灾害易发区·············································································································································· 4 6.1 一般原则··············································································································································· 4 6.2 电气设计··············································································································································· 4 6.3 结构设计··············································································································································· 5 7 覆冰灾害易发区·········································································································································· 5 7.1 一般原则··············································································································································· 5 7.2 电气设计··············································································································································· 5 7.3 结构设计··············································································································································· 6 8 舞动易发区·················································································································································· 6 8.1 一般原则··············································································································································· 6 8.2 电气设计··············································································································································· 6 8.3 结构设计··············································································································································· 7 9 雷电灾害易发区·········································································································································· 7 9.1 一般原则··············································································································································· 7 9.2 电气设计··············································································································································· 8 10 地质灾害易发区········································································································································ 8 10.1 一般原则············································································································································· 8 10.2 电气设计············································································································································· 8 10.3 结构设计············································································································································· 8 11 高烈度地震影响区····································································································································· 9 11.1 一般原则············································································································································· 9 11.2 电气设计············································································································································· 9 11.3 结构设计············································································································································· 9 12 洪涝灾害易发区········································································································································ 9 12.1 一般原则············································································································································· 9 12.2 电气设计··········································································································································· 10 12.3 结构设计··········································································································································· 10 13 风沙灾害易发区······································································································································ 10 13.1 一般原则··········································································································································· 10 13.2 电气设计··········································································································································· 11 13.3 结构设计··········································································································································· 11 14 山火易发区·············································································································································· 11 I