基于现场监控量测的高地应力隧道支护方案研究  

Research on High In-situ Sstress Tunnel Support Scheme based on On-site Monitoring and Measurement

作　　者：雷蕾 李朝安[1] 吴洁[1] Lei Lei;Li Chao'an;Wu Jie

机构地区：[1]成都信息工程大学

出　　处：《交通与港航》2024年第3期80-85,共6页Communication & Shipping

基　　金：四川省哲学社会科学规划项目的重点项目《四川地质气象灾害危险等级速判及末端应急管理模式研究》(SC15A012);四川省教育厅立项的重点项目《地方院校工程管理人才差异化实践能力培养模式构建研究》(15SA0060);气象灾害预测预警与应急管理研究中心的重点项目《地质气象灾害等级速判及应急项目管理研究》(15-ZD02)。

摘　　要：为研究高地应力状态下隧道施工围岩稳定情况,优化支护设计方案,以段家坪隧道为研究对象。根据段家坪隧道地质情况设计支护方案,进行现场试验。借助监控量测技术和FLAC3D数值模拟分析验证支护方案的可行性。研究得出高地应力隧道围岩变形分析结论及建议,为高地应力隧道施工选择合理的施工方法,制定切实可行的支护方案提供参考和依据。To study the stability of surrounding rock in tunnel construction under high ground stress and optimize the support design scheme,the Duanjiaping Tunnel is taken as the research object.According to the geological conditions of Duanjiaping Tunnel,the support scheme is designed and field tests are carried out.The feasibility of the support scheme is verified by means of monitoring and measurement technology and FLAC3D numerical simulation analysis.The conclusions and suggestions of surrounding rock deformation analysis of high insitu stress tunnels are obtained through the study,which can provide reference and basis for selecting reasonable construction methods and formulating feasible support schemes for high in-situ stress tunnel construction.

关 键 词：段家坪隧道 高地应力 监控量测 支护形式 

分 类 号：U455.7[建筑科学—桥梁与隧道工程]