摘要
同寨隧道地质条件复杂,属三叠系高地应力软岩地层,围岩破碎、松散,节理裂隙大,整体性差,施工过程中多次发生初支护的严重变形,甚至坍塌,通过分析隧道坍塌原因,提出了具体的处理措施,效果良好,采取的防坍塌技术措施可为类似工程提供参考。
TongZhai tunnel with complicated geological condition, belongs to the triassic period of high stress soft rock strata.With surrounding rock crushing, loose, joint fissure, poor integrity, the serious deformation of beginning support and even collapsehappens repeatedly in the construction process.Through analyzing the reason of tunnel collapse, we put forward the specific measures, and the effect is good. The collapse prevention technique measures can provide a reference for similar projects.
作者
吴发展
WU Fazhan(The Erehu Co.,Ltd.of China Railway Tunnel Group,Hebei Sanhe 065201,China)
出处
《低温建筑技术》
2018年第11期102-104,共3页
Low Temperature Architecture Technology
关键词
铁路隧道
软岩
坍塌
railway tunnel
soft rock
collapse
