浅埋、软岩、偏压隧道施工技术

Construction technique research of shallow_cover、soft_rock and uneven_pressure tunnel

分析了姚家山隧道出口施工过程中出现的多种病害及成因,介绍了病害处理的具体工程措施和施工方法,总结了浅埋软弱围岩地质段的偏压处理、进洞方案和正台阶法施工所采取的综合技术措施,有效保证了该隧道施工的顺利进行。

The article has introduced that the Yao Jia Shan tunnel various disease and causes of defect during construction, analysis the reasons and mechanisms for the occurrence of the defects, introduces the specific engineering measures and construction methods for defect treatment and summarizes the comprehensive construction technology for tunnels under the condition of shallow cover uneven pressure to effectively guarantee the tunnel construction is carried out smoothly.