中梁山扩容隧道综合超前地质预报技术应用分析  

Application of the Comprehensive Geological Prediction Techniques Analysis in Zhong Liangshan Expansion Tunnel

作　　者：张斌[1] 丁燕平[1] 张学富[1] 刘士洋 ZHANG Bin;DING Yanping;ZHANG Xuefu;LIU Shiyang(School of Civil Engineering,Chongqing Jiaotong University,Chongqing 400074,China)

机构地区：[1]重庆交通大学土木工程学院,重庆400074

出　　处：《公路工程》2018年第2期134-138,共5页Highway Engineering

基　　金：重庆市科委基础与前沿研究资助项目(cstc2014jcyj A30023);重庆市教委科学技术研究项目资助(KJ09049);重庆市教委科学技术研究资助项目(KJ1400310)

摘　　要：中梁山扩容隧道穿越岩溶富水地质,工程地质与水文地质极为复杂,超前地质预报的成功与否是保证隧道施工安全的重点,介绍综合超前地质预报技术在中梁山扩容隧道修建过程中的应用,分析了大地电磁(AMT)法和TRT物探法探测出的不良地质区域,对不良地质区域的分析预判,并采用超前水平钻孔验证和钻孔释放高压富水,成功地防止了隧道穿越岩溶富水区发生涌水的安全事故,保证了隧道的施工安全。Zhong Liangshan expansion tunnel through karst and rich water geological,engineering geology and hydrogeology is extremely complicated,whether the success of advanced geological prediction is the key to ensure the safety of tunnel construction.This paper introduces the application of comprehensive advanced geological forecasting technology in the construction.Analysis of poor geological areas by AMT method and TRT geophysical method,and the geological area was prejudged.Through the advanced level of drilling to verify the results of prejudgment and release high pressure water.Successfully prevented the safety accident of the tunnel passes through the karst rich water area and ensured the safety of the tunnel construction through comprehensive advanced geological prediction.

关 键 词：地质预报 扩容隧道 物探 不良地质 涌水 

分 类 号：U452.11[建筑科学—桥梁与隧道工程]