公路顶管穿越施工方案

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HSE........................................................................................................

HSE...................................................................................................

HSE...................................................................................................

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编制依据 GB

GB

GJX

GJX

工程概况 概况XXXXXXXXXX

8m

A 地形、地质XXXXX

管道顶管穿越公路平面示意图：

施工方法 顶管施工方法介绍 顶力计算FF）；K

Pv）；）；）；

Pa）； PvKYHDL

KY）；）；L）；Pv

Y

G

LG）。 Pa

PaF

×（）＋

允许顶力

S

F,

F

后座墙

施工程序

施工技术措施 施工准备

测量放线

RTK

降水井施工

作业坑开挖

发送操作坑地基处理

安装导向支架、就位顶管机和套管

RTK

30×200×200×6

250×250×2000

20×2000×2000

20×4000×4000

250×250×2000

顶管作业

挖土、排土

顶管误差校正

拆除顶管设施

工作管及光缆套管预制、穿越

附件安装、套管封堵

地貌恢复

质量保证措施

B. .C.

E. F. G.

I. J. K.

L.

Sa2.5