QGDW 12564-2024 特高压及直流线路工程基础施工工艺导则

ICS 29.240 CCSF 20 XM104514 备案号：63049-2018责编：王惠娟 易维鑫描图 24 国家电网有限公司企业标准 Q/GDW 12564—2024 特高压及直流线路工程基础 施工工艺导则 Codeofoperationandmaintenanceforf loatingphotovoltaicpowerstatio n 2024-12-31 发布 2024-12-31 实施 国家电网有限公司 发布 Q/GDW 12564—2024 目 次 前言 ······························································································································ Ⅱ 1 范围 ·························································································································· 1 2 规范性引用文件 ··········································································································· 1 3 术语和定义 ················································································································· 2 4 基本规定 ···················································································································· 2 5 施工准备 ···················································································································· 2 6 挖孔基础 ···················································································································· 4 7 岩石锚杆基础 ············································································································· 12 8 山地微型桩基础 ·········································································································· 17 9 灌注桩基础 ················································································································ 19 10 PHC 管桩基础 ··········································································································· 26 11 板式基础 ·················································································································· 32 12 质量要求 ·················································································································· 37 13 安全措施 ·················································································································· 38 14 环境保护与水土保持要求 ····························································································· 39 附录 A（资料性） 施工机械选型原则 ·················································································· 41 附录 B（资料性） 常用降水方法及边坡支护方法 ··································································· 43 附录 C（资料性） 基础分坑方法与相关计算 ········································································· 46 附录 D（资料性） 搅拌机需求数量计算（现场搅拌时） ·························································· 55 附录 E（资料性） 混凝土强度取值推算方法 ·········································································· 56 附录 F（资料性） 筒式柴油打桩桩锤选用参考表 ···································································· 57 编制说明 ························································································································ 59 I