复杂地质条件下岩溶台地隧道灾变风险评估:以安平隧道为例  

Catastrophe Risk Assessment of Karst Platform Tunnel under Complex Geological Conditions:A Case Study of Anping Tunnel

作　　者：胡新红 龚道平 胡惠华 钟龙辉 姚军 HU Xin-hong;GONG Dao-ping;HU Hui-hua;ZHONG Long-hui;YAO Jun(Hunan Provincial Communications Planning,Survey&Design Institute Co.,Ltd.,Changsha 410200,China;Hunan Provincial Key Laboratory of Highway Construction and Maintenance Technology in Southern China,Changsha 410200,China)

机构地区：[1]湖南省交通规划勘察设计院有限公司,长沙410200 [2]中南公路建设及养护技术湖南省重点实验室,长沙410200

出　　处：《科学技术与工程》2024年第4期1679-1688,共10页Science Technology and Engineering

基　　金：湖南省交通运输厅科技进步与创新计划(201912)。

摘　　要：复式向斜岩溶台地地质条件复杂,隧道穿越时,多发生突水涌泥等地质灾害。以安平隧道为例,在隧道线路设计初期,从地质角度出发,分析隧道线路范围内存在的5个主要地质问题及可能发生的地质灾变风险,并逐一对其进行评估和评价;采用宜避不宜扰的地质选线理念,根据评价结果选择路线绕避方案和确定平纵设计指标。研究成果对类似复杂地质条件下的岩溶台地隧道地质选线和路线设计具有一定的借鉴意义。The geological conditions of the karst terrace of synclinore are complicated.Geological disasters such as water inrush and mud outburst often occur when the tunnel crosses it.The Anping Tunnel was taken as an example.In the early stage of the design of the tunnel route,from the geological perspective,five main geological problems and possible geological disaster risks within the scope of the tunnel route were analyzed and evaluated one by one.And the concept of geological route selection of avoidance without disturbance was used.The route avoidance scheme was selected according to the evaluation results and the horizontal and vertical design indicators were determined.The research results have certain reference significance for geological route selection and route design of tunnels on the karst terrace under similar complicated geological conditions.

关 键 词：岩溶台地隧道 突水涌泥风险 采空区 瓦斯 地质选线 

分 类 号：U452[建筑科学—桥梁与隧道工程]