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岩溶涌水从隧道周边围岩沿其运移通道流入隧道内,易发生突水突泥事故,威胁施工人员和机械设备的安全。鹰嘴岩隧道进口岩溶涌水段在分析隧道涌水原因的基础上,按照因地制宜,综合治理的原则,根据设计文件有关资料及现场实际情况,采用“以堵为主,限量排放,堵排结合”的治理方案,经历几次强降雨,该段衬砌安全。
Karst gushing flows into the tunnel along its migration channel from the surrounding rock around the tunnel, which may cause water inrush and mud accident, threatening the safety of construction workers and mechanical equipment. According to the principle of local conditions and comprehensive management, according to the relevant information of the design documents and the actual situation on site, the “gushing and gushing gushing water section of Yingkou rock tunnel” is adopted to analyze the causes of gushing water of tunnels, "The management program, after several heavy rains, the lining of the safety section.