ICS 29.240.10 CCS P 62 备案号：68965-2019 国家电网有限公司企业标准 Q/GDW 12557—2024 高压直流换流站土方平衡计算设计导则 Design guideline for earthwork balance calculation of HVDC converter station 2024-12-31发布 2024-12-31实施 国家电网有限公司 发 布 Q/GDW 12557—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 ················································································································ 1 4 总则 ························································································································· 2 5 竖向布置 ··················································································································· 2 6 初平设计 ··················································································································· 2 6.1 收集设计基础资料 ································································································ 2 6.2 确定初平设计范围 ································································································ 2 6.3 确定初平设计标高 ································································································ 2 7 终平设计 ··················································································································· 3 7.1 确定终平松散系数 ································································································ 3 7.2 计算站内基槽余土 ································································································ 4 7.3 确定终平设计标高 ································································································ 5 编制说明 ························································································································ 7 I
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