西气东输二线锦江隧道顶管施工工作井的涌水处理  

Treatment of Water Gushing in Working Shaft for Pipe Jacking Construction in Jinjiang Tunnel of Second West to East Gas Pipeline Project

作　　者：杨春玲[1] 王丽[1] 刘佳昌[1] 马红昕[1] 

机构地区：[1]中国石油天然气管道工程有限公司,河北廊坊065000

出　　处：《石油工程建设》2013年第4期44-45,24-25,共2页Petroleum Engineering Construction

摘　　要：文章介绍了西气东输二线锦江隧道顶管施工工作井的止水设计方案、施工过程中出现涌水现象的原因及处理方案。该工程采用了高压旋喷桩止水帷幕+钻孔压浆的方法作为复杂地层条件下的止水方案,取得了满意效果,使工程得以顺利进行。This article introduces the design scheme of water sealing in the working shaft for pipe jacking construction in Jinjiang Tunnel of the Second West to East Gas Pipeline Project,the cause analysis of water gushing happened in the working shaft during construction and the treatment scheme.The method of applying water barrier of high-pressure rotary jet grouting piles combined with drilling grouting is taken to stop the water gushing under complex stratum conditions,and gains satisfactory effect of smooth construction progress.

关 键 词：竖井 高压旋喷桩 钻孔压浆 涌水处理 

分 类 号：U455.4[建筑科学—桥梁与隧道工程]