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已开通运营的铁路隧道底部出现岩溶洞穴,使得线路部分悬空,且存在岩溶洞穴涌水,危及铁路行车安全,致使铁路停止运营。因此,制定合理、科学、有效的线路加固方案,使线路尽快正常开通,对溶洞进行有效的处理以消除安全隐患极为重要。本文根据铁路隧道溶洞结构的具体情况,介绍了隧道内线路加固及溶洞处理方法,对此类溶洞处理提供一些借鉴。
Karst caves have emerged at the bottom of the already opened railway tunnels, leaving part of the line vacant and water from karst caves, jeopardizing the safety of railway traffic and ending the operation of the railway. Therefore, it is very important to formulate a reasonable, scientific and effective line reinforcement plan to make the line open as soon as possible and to effectively deal with the cave to eliminate the potential safety hazard. In this paper, according to the concrete conditions of the railway tunnel karst cave structure, the methods of tunnel reinforcement and karst cave treatment in the tunnel are introduced, and some references for such karst cave treatment are provided.