内容简介
DB32/T 3913-2020综合管廊矩形顶管工程技术标准
Technical code for box jacking construction of utility tunnel
2021-05-01实施
2020-12-21发布
目 次
前言..................................................................................................................................................................1
1 范围................................................................................................................................................................ 1
2 规范性引用文件............................................................................................................................................ 1
3 术语和定义.................................................................................................................................................... 2
4 符号................................................................................................................................................................ 3
5 基本规定........................................................................................................................................................ 4
6 工程勘察........................................................................................................................................................ 5
6.1 一般规定................................................................................................................................................. 5
6.2 勘探孔布置............................................................................................................................................. 7
6.3 地下管线及障碍物勘察......................................................................................................................... 8
6.4 勘察成果及报告..................................................................................................................................... 9
7 工程设计.......................................................................................................................................................11
7.1 一般规定................................................................................................................................................11
7.2 工程选线................................................................................................................................................11
7.3 管节设计............................................................................................................................................... 12
7.4 管廊结构设计....................................................................................................................................... 13
7.5 结构防水............................................................................................................................................... 17
7.6 顶进阻力估算....................................................................................................................................... 20
7.7 中继间设计........................................................................................................................................... 21
7.8 始发井、接收井设计........................................................................................................................... 23
8 施工.............................................................................................................................................................. 26
8.1 一般规定............................................................................................................................................... 26
8.2 施工准备............................................................................................................................................... 26
8.3 管节制作及运输................................................................................................................................... 28
8.4 设备及安装要求................................................................................................................................... 29
8.5 注浆减阻............................................................................................................................................... 32
8.6 顶管机始发和接收............................................................................................................................... 35
8.7 顶进作业............................................................................................................................................... 37
8.8 施工控制............................................................................................................................................... 39
8.9 土体改良与渣土外运........................................................................................................................... 41
8.10 施工监测............................................................................................................................................. 41
8.11 地表沉降控制和周边结构保护措施................................................................................................. 42
8.12 顶后处理............................................................................................................................................. 43
8.13 通风、供电与照明............................................................................................................................. 44
9 质量检验与验收.......................................................................................................................................... 46
9.1 一般规定............................................................................................................................................... 46
9.2 管节验收............................................................................................................................................... 47
9.3 始发和接收洞口验收........................................................................................................................... 48
9.4 工作井质量验收................................................................................................................................... 48
9.5 管道顶进质量控制............................................................................................................................... 49
9.6 顶进管廊质量验收............................................................................................................................... 50
前 言
本标准按照GB/T1.1-2009给出的规则起草。
本标准由悉地（苏州）勘察设计顾问有限公司提出。
本标准由江苏省住房和城乡建设厅归口。