深埋特长隧道高压富水断层超前预注浆施工技术  

Advanced Pre-grouting Construction Technology for High-pressure and Water-rich Faults in Deep-buried Super-long Tunnels

作　　者：李涛 Li Tao

机构地区：[1]中铁隧道集团一处有限公司,重庆410000

出　　处：《建筑技术开发》2021年第23期27-29,共3页Building Technology Development

摘　　要：深埋富水隧道受高压水的影响,在进行支护的过程中,很容易受到周边岩力的渗透,而且在施工的过程中,也很容易出现掌子面坍塌的情况,就目前来看,关于高压富水断层的施工方法的研究成果较少。本文介绍了衢宁铁路鹫峰山一号隧道"堵排结合、限量排放"的超前周边注浆施工技术,为类似工程设计与施工提供科学依据。Deep-buried water-rich tunnels are affected by high-pressure water. During the process of supporting,they are easily penetrated by surrounding rock forces,and during the construction process,the tunnel face is also prone to collapse. At present,there are relatively few research results on the construction methods of high-pressure and water-rich faults. The article introduces the advanced surrounding grouting construction technology of Jiufengshan No.1 Tunnel on Qu-Ning Railway with "blocking and drainage combination and limited drainage",which provides a scientific basis for the design and construction of similar projects.

关 键 词：高压富水断层 隧道超前预注浆 堵水 

分 类 号：U445.4[建筑科学—桥梁与隧道工程]