ICS 93.020 P 21 备案号： 湖 DB42 北 省 地 方 标 准 DB 42/T 1343—2018 顶管法管道穿越工程技术规程 Technical specification for pipeline construction by pipe jacking （报批稿） 2018-05-08 发布 湖北省住房和城乡建设厅 湖北省质量技术监督局 2018-07-01 实施 联合发布 DB42/T 1343—2018 目 次 前言 .................................................................................................................................................................. III 1 总则 ................................................................................................................................................................ 1 2 规范性引用文件 ............................................................................................................................................ 1 3 术语和符号 .................................................................................................................................................... 2 3.1 术语 ......................................................................................................................................................... 2 3.2 符号 ......................................................................................................................................................... 3 4 基本规定 ........................................................................................................................................................ 4 5 顶管工程勘察 ................................................................................................................................................ 4 5.1 勘查要求 ................................................................................................................................................. 4 5.2 勘探孔的布置 ......................................................................................................................................... 5 5.3 地下管线和建（构）筑物探测 ............................................................................................................. 5 5.4 勘察报告 ................................................................................................................................................. 6 6 顶管工程设计 ................................................................................................................................................ 7 6.1 工程选线 ................................................................................................................................................. 7 6.2 顶进方案选择 ......................................................................................................................................... 8 6.3 工作井和接收井设计 ............................................................................................................................. 8 6.4 顶进力估算 ........................................................................................................................................... 10 6.5 反力墙的设计 ........................................................................................................................................11 6.6 管材与管道接口 ................................................................................................................................... 12 6.7 中继间设计 ........................................................................................................................................... 14 7 顶管工程施工 .............................................................................................................................................. 15 7.1 顶管施工组织设计 ............................................................................................................................... 15 7.2 顶进设备安装 ....................................................................................................................................... 15 7.3 顶管始发和接收 ................................................................................................................................... 16 7.4 管道顶进 ............................................................................................................................................... 17 7.5 注浆减阻 ............................................................................................................................................... 18 7.6 测量与纠偏 ........................................................................................................................................... 20 7.7 管道防腐 .............................................................................................