乌鞘岭特长隧道整体道床下沉病害整治分析

On treatment of ballast bed settlement diseases along Wuqiaoling Super-long Tunnel

结合乌鞘岭特长隧道的工程概况,分析了隧道整体道床下沉病害的产生原因,提出了对整体道床支撑块下加垫钢板、捣垫砂浆及注浆等治理措施,经整治后提高了线路设备质量,保证了行车安全。

Combining with the engineering survey of Wuqiaoling Super-long Tunnel, the paper analyzes the reasons for the whole ballast bed settlementdiseases of tunnels, points out some treatment measures including the addition of steel plates under integrated ballast bed, mortar, andgrouting, and improves the railway equipment quality after the treatment, so as to ensure the traffic safety.