顶管施工方案(专家论证)

目 录

1、编制依据 .......................................................................................................................... 2

2、编制原则 .......................................................................................................................... 2

3、工程概况 .......................................................................................................................... 3

3.1基本情况 ................................................................................................................... 3

3.2自然地理概况 ........................................................................................................... 4

3.3水文情况 ................................................................................................................... 4

3.4地层及构造 ............................................................................................................... 4

4、 施工部署 ........................................................................................................................ 8

4.1现场组织机构建立 .................................................................................................... 8

4.2技术准备 ................................................................................................................... 8

4.3机械设备准备 ........................................................................................................... 9

4.4作业条件准备 ........................................................................................................... 9

4.5安全应急措施准备 .................................................................................................. 10

4.6外业工作准备 ......................................................................................................... 10

4.7材料准备 ................................................................................................................. 10

4.8场地清理 ................................................................................................................. 11

4.9临时用电 ................................................................................................................. 11

4.10临时用水 ............................................................................................................... 11

5.顶管施工 ........................................................................................................................... 11

5.1方案选择 ................................................................................................................. 11

5.2人工顶力计算 ......................................................................................................... 12

5.3工作井制作 ............................................................................................................. 14

5.4导轨安装 ................................................................................................................. 15

5.5后背与后座墙 ......................................................................................................... 16

5.6管道外围打蜡及压注触变泥浆减摩擦 ..................................................................... 18

5.7管头装备刃脚 ......................................................................................................... 19

5.8管道顶进 ................................................................................................................. 19

5.9管接口质量控制 ...................................................................................................... 22

5.10工作井回填 ........................................................................................................... 22

6、顶管常见问题的防治 ...................................................................................................... 23

6.1管道轴线偏差过大 .................................................................................................. 23

6.2地面沉降与隆起 ...................................................................................................... 23

6.3顶力突然增大 ......................................................................................................... 24

6.4钢筋混凝土管道接口渗漏 ....................................................................................... 25

6.5钢筋混凝土管节裂缝 .............................................................................................. 25

6.6顶管前端正面上体坍塌 ........................................................................................... 26

7、管线保护措施 ................................................................................................................. 26

7.1管线调查 ................................................................................................................. 26

7.2管线保护 ................................................................................................................. 27

8、测量及安全监测措施 ...................................................................................................... 28

8.1测量控制 ................................................................................................................. 28

8.2.顶进过程中的安全检测及日常巡视 ........................................................................ 28

9、安全文明施工措施 .................................................................................................... …… 此处隐藏：13596字，全部文档内容请下载后查看。喜欢就下载吧 ……