内容简介
DB42/T 1652-2021市政管线检查井技术规程
Technical specification for municipal pipeline manhole
2021-06-01实施
2021-03-03发布
目 次
前言 ...............................................................................1
引言 ................................................................................1
1 范围 .............................................................................. 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 总则 .............................................................................. 5
5 基本规定 .......................................................................... 5
5.1 检查井设置场所分组 ............................................................ 5
5.2 检查井设置要点 ................................................................ 6
6 材料 .............................................................................. 6
6.1 检查井盖 ...................................................................... 6
6.2 检查井井室和井筒 .............................................................. 9
6.3 检查井垫层及基础 ............................................................. 10
6.4 其它材料 ..................................................................... 11
7 设计 ............................................................................. 11
7.1 一般规定 ..................................................................... 11
7.2 构造要求 ..................................................................... 12
7.3 专项技术要求 ................................................................. 14
8 新建检查井施工 ................................................................... 15
8.1 一般规定 ..................................................................... 15
8.2 基槽开挖与地基基础 ........................................................... 15
8.3 井筒与井室施工 ............................................................... 16
8.4 回填及路面结合处理 ........................................................... 17
8.5 井圈、井座和井盖安装 ......................................................... 18
8.6 其它 ......................................................................... 18
9 既有检查井维修加固 ............................................................... 19
9.1 一般规定 ..................................................................... 19
9.2 维修加固要点 ................................................................. 19
10 质量检验 ........................................................................ 21
10.1 一般规定 .................................................................... 21
10.2 地基基础 .................................................................... 21
10.3 井室井筒 .................................................................... 22
10.4 基槽回填 .................................................................... 22
10.5 井盖安装 .................................................................... 22
11 维护管理 ........................................................................ 23
附录 A（资料性） 检查井盖试验及试验方法............................................. 24
附录 B（资料性） 检查井盖检验规则................................................... 28
附录 C（规范性） 检查井标志、包装、运输、贮存....................................... 30
条文说明 ............................................................................ 33