广东《土钉支护技术规程》.pdf

目 次 1 总 则·······················································································1 2 术语和符号················································································2 3 基本规定···················································································5 4 勘察与环境调查要求 ···································································6 4.1 一般规定···········································································6 4.2 勘察要求···········································································6 4.3 环境调查···········································································7 4.4 成果报告···········································································8 5 设 计······················································································10 5.1 一般规定··········································································10 5.2 稳定验算··········································································11 5.3 土钉承载力计算·································································17 5.4 复合土钉墙增强体计算························································21 5.5 变形估算··········································································23 5.6 构件验算··········································································28 5.7 地下水控制·······································································29 5.8 构造规定··········································································30 6 施 工······················································································32 6.1 一般规定··········································································32 6.2 截水、降水和排水······························································33 6.3 超前支护··········································································35 6.4 支护面开挖····························