穿越湖泊泥水平衡顶管隧道渗漏应急堵漏方法研究
Research on Emergency Plugging Methods for Leakage in Muddy Water Balance Top Pipe Tunnels Crossing Lakes
范志1
作者信息
- 1. 东莞市水务集团建设管理有限公司,广东 东莞 523000
- 折叠
摘要
在穿越江河湖泊施工工程中,在高水头压力作用下,特殊软弱地层可能被湖泊水侵入贯穿至顶管隧道管道与围岩之间的空隙,引起湖泊水倒灌顶管隧道始发沉井结构,严重影响工程建设进度和人们的财产安全.为此,文章依托实际工程,采用工程地质调研与流体力学数值模拟的方法,分析了渗漏病害的原因,研究了渗漏水倒灌过程,提出了有效的应急堵漏方法.
Abstract
In the construction engineering crossing rivers and lakes,under the action of high water head pressure,the special weak stratum may be invaded by lake water into the gap between the top pipe tunnel pipeline and the surrounding rock,causing the lake water to flow backward into the initial open caisson structure of the top pipe tunnel,which seriously affects the engineering construction progress and people's property safety.Therefore,based on the actual engineering,this paper analyzes the causes of leakage diseases by means of engineering geological investigation and fluid mechanics numerical simulation,studies the backflow process of leakage water,and puts forward effective emergency plugging methods.
关键词
隧道渗漏/应急堵漏/顶管隧道Key words
tunnel leakage/emergency plugging/top pipe tunnel引用本文复制引用
出版年
2024
NETL
NSTL
万方数据