摘要
分析了崇遵高速公路凉风垭隧道塌方的成因,并针对其特点,采取了加强区段支护,提高松散体整体强度等治理措施,取得了良好的效果。
The causes for cave-in of Liangfengya tunnel on Chongxihe-Zunyi expressway were analyzed, in view of its characteristics, such control and treatment measures as strengthening zoned support and improving overall strength of loose rock mass etc. were taken and the good result was obtained.
关键词
隧道
塌方
处治
tunnel
cave-in
treatment and control
