长导管穿越和CRD结合法在隧道塌方处理中的应用

摘要

文章在介绍常用隧道塌方处理方法的基础上,针对贵州厦蓉高速公路AT20合同段滚玉隧道的塌方情况及其产生原因,提出了长导管穿越和CRD结合的塌方处理方案,并阐述了方案的具体实施步骤及要点,探讨了方案的处理效果。%On the basis of the introduction of common tunnel collapse treatment approaches, targeting on the collapse situation and its causes of Gunyu Tunnel in AT20 contract section of Guizhou Xiamen-Chengdu Expressway, the article proposed the collapse treatment plan of combining the long catheter crossing and CRD, described the specific implementation steps and keypoints of this plan,and discussed the treatment effect of this plan.