DB11/T 1726-2020 市政基础设施岩土工程勘察规范
简介
DB11/T 1726-2020
市政基础设施岩土工程勘察规范
Code of geotechnical investigation for municipal infrastructure projects
2020-03-31发布
2020-10-01实施 目 次 1 总则...................................................................................................................................................... 1 2 术语和符号......................................................................................................................................... 2 2.1 术语 ............................................................................................................................................. 2 2.2 符号 ............................................................................................................................................. 3 3 基本规定............................................................................................................................................. 4 4 岩土分类............................................................................................................................................. 7 5 可行性研究勘察 ............................................................................................................................. 12 5.1 一般规定 ................................................................................................................................... 12 5.2 勘察要求 ................................................................................................................................... 12 6 初步勘察........................................................................................................................................... 14 6.1 一般规定 ................................................................................................................................... 14 6.2 道路工程 ................................................................................................................................... 14 6.3 桥涵工程 ................................................................................................................................... 15 6.4 隧道工程 ................................................................................................................................... 16 6.5 综合管廊工程 ........................................................................................................................... 17 6.6 室外管道工程 ........................................................................................................................... 18 6.7 给排水厂站工程 ....................................................................................................................... 19 6.8 城市绿地工程 ........................................................................................................................... 19 6.9 生活垃圾填埋场工程 ............................................................................................................... 20 6.10 堤岸工程 ................................................................................................................................. 22 7 详细勘察........................................................................................................................................... 24 7.1 一般规定 ................................................................................................................................... 24 7.2 道路工程 ................................................................................................................................... 24 7.3 桥涵工程 ................................................................................................................................... 26 7.4 隧道工程 ................................................................................................................................... 28 7.5 综合管廊工程 ........................................................................................................................... 30 7.6 室外管道工程 ........................................................................................................................... 31 7.7 给排水厂站工程 ....................................................................................................................... 32 7.8 城市绿地工程 ........................................................................................................................... 34 7.9 生活垃圾填埋场工程 ............................................................................................................... 35 7.10 堤岸工程 ................................................................................................................................. 37 8 工法勘察........................................................................................................................................... 40 8.1 一般规定 ................................................................................................................................... 40 8.2 明挖法 ....................................................................................................................................... 40 8.3 暗挖法 ....................................................................................................................................... 41 8.4 顶管法及定向钻法 ................................................................................................................... 43 9 地下水................................................................................................................................................ 45 9.1 一般规定 ................................................................................................................................... 45 9.2 水文地质参数测定 ................................................................................................................... 45 9.3 地下水评价 ............................................................................................................................... 47 10 场地、地基的地震效应.............................................................................................................. 49 10.1 一般规定 ................................................................................................................................. 49 10.2 勘察要求 ................................................................................................................................. 49 10.3 抗震评价 ................................................................................................................................. 50 11 工程周边环境专项调查.............................................................................................................. 54 11.1 一般规定 ................................................................................................................................. 54 11.2 调查要求 ................................................................................................................................. 54 11.3 成果资料 ................................................................................................................................. 55 12 岩土参数统计与地基承载力 .................................................................................................... 56 12.1 岩土参数统计分析 ................................................................................................................. 56 12.2 地基承载力 ............................................................................................................................. 57 13 勘察报告......................................................................................................................................... 61 附录 A 岩土试验项目....................................................................................................................... 63 附录 B 岩石分类................................................................................................................................ 64 附录 C 碎石土的密实度 .................................................................................................................. 65 附录 D 孔隙水压力测定方法和适用条件 .................................................................................. 66 本规范用词说明 .................................................................................................................................... 67 引用标准名录......................................................................................................................................... 68 附：条文说明......................................................................................................................................... 69
DB11/T 1726-2020
市政基础设施岩土工程勘察规范
Code of geotechnical investigation for municipal infrastructure projects
2020-03-31发布
2020-10-01实施 目 次 1 总则...................................................................................................................................................... 1 2 术语和符号......................................................................................................................................... 2 2.1 术语 ............................................................................................................................................. 2 2.2 符号 ............................................................................................................................................. 3 3 基本规定............................................................................................................................................. 4 4 岩土分类............................................................................................................................................. 7 5 可行性研究勘察 ............................................................................................................................. 12 5.1 一般规定 ................................................................................................................................... 12 5.2 勘察要求 ................................................................................................................................... 12 6 初步勘察........................................................................................................................................... 14 6.1 一般规定 ................................................................................................................................... 14 6.2 道路工程 ................................................................................................................................... 14 6.3 桥涵工程 ................................................................................................................................... 15 6.4 隧道工程 ................................................................................................................................... 16 6.5 综合管廊工程 ........................................................................................................................... 17 6.6 室外管道工程 ........................................................................................................................... 18 6.7 给排水厂站工程 ....................................................................................................................... 19 6.8 城市绿地工程 ........................................................................................................................... 19 6.9 生活垃圾填埋场工程 ............................................................................................................... 20 6.10 堤岸工程 ................................................................................................................................. 22 7 详细勘察........................................................................................................................................... 24 7.1 一般规定 ................................................................................................................................... 24 7.2 道路工程 ................................................................................................................................... 24 7.3 桥涵工程 ................................................................................................................................... 26 7.4 隧道工程 ................................................................................................................................... 28 7.5 综合管廊工程 ........................................................................................................................... 30 7.6 室外管道工程 ........................................................................................................................... 31 7.7 给排水厂站工程 ....................................................................................................................... 32 7.8 城市绿地工程 ........................................................................................................................... 34 7.9 生活垃圾填埋场工程 ............................................................................................................... 35 7.10 堤岸工程 ................................................................................................................................. 37 8 工法勘察........................................................................................................................................... 40 8.1 一般规定 ................................................................................................................................... 40 8.2 明挖法 ....................................................................................................................................... 40 8.3 暗挖法 ....................................................................................................................................... 41 8.4 顶管法及定向钻法 ................................................................................................................... 43 9 地下水................................................................................................................................................ 45 9.1 一般规定 ................................................................................................................................... 45 9.2 水文地质参数测定 ................................................................................................................... 45 9.3 地下水评价 ............................................................................................................................... 47 10 场地、地基的地震效应.............................................................................................................. 49 10.1 一般规定 ................................................................................................................................. 49 10.2 勘察要求 ................................................................................................................................. 49 10.3 抗震评价 ................................................................................................................................. 50 11 工程周边环境专项调查.............................................................................................................. 54 11.1 一般规定 ................................................................................................................................. 54 11.2 调查要求 ................................................................................................................................. 54 11.3 成果资料 ................................................................................................................................. 55 12 岩土参数统计与地基承载力 .................................................................................................... 56 12.1 岩土参数统计分析 ................................................................................................................. 56 12.2 地基承载力 ............................................................................................................................. 57 13 勘察报告......................................................................................................................................... 61 附录 A 岩土试验项目....................................................................................................................... 63 附录 B 岩石分类................................................................................................................................ 64 附录 C 碎石土的密实度 .................................................................................................................. 65 附录 D 孔隙水压力测定方法和适用条件 .................................................................................. 66 本规范用词说明 .................................................................................................................................... 67 引用标准名录......................................................................................................................................... 68 附：条文说明......................................................................................................................................... 69
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