格莱村隧道岩溶超前探测及溶洞治理技术研究

Study on Karst Advance Detection and Karst Cave Treatment Technology of Gelaicun Tunnel

随着我国铁路隧道建设的迅速发展,西南地区修建的喀斯特岩溶隧道数量逐年增加,所遇见的突水、突泥、坍塌等地质灾害层出不穷,极大影响了隧道施工与安全。针对上述问题,本文依托渝昆高速铁路格莱村隧道工程,分析了岩溶隧道施工的重难点问题,梳理了岩溶治理技术流程,并采用综合超前地质预报技术对格莱村隧道的岩溶发育地段进行了勘探,提出了拱墙空溶洞、拱墙充填溶洞、隧底溶洞的治理措施,为其他类似隧道工程提供了一定的参考价值。

With the rapid development of railway tunnel construction in China,the number of karst tunnels built in the southwest region has been increasing year by year.Geological disasters such as water inrush,mud inrush,and collapse have emerged one after another,greatly affecting tunnel construction and safety.In response to the above issues,this article analyzes the key and difficult issues of karst tunnel construction based on the Chongqing Kunming High Speed Railway Gleicun Tunnel Project,sorts out the karst treatment technology process,and uses comprehensive advanced geological prediction technology to explore the karst development area of Gleicun Tunnel.Measures for treating arch wall empty karst caves,arch wall filled karst caves,and tunnel bottom karst caves are proposed,providing certain reference value for other similar tunnel projects.