TSP在岩溶区山岭隧道预报中的应用研究
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摘要
岩溶隧道水文和工程地质条件复杂多变,难以在勘察阶段探明可能引发施工期地质灾害的不良地质体的具体位置、规模和性质.为了避免因盲目施工而造成的突水、涌泥和塌方等事故的发生,迫切需要对施工期的隧道超前地质预报进行研究.TSP隧道地震预报系统可以有效预报掌子面前方100~150 m以内地质体的位置、规模和性质.采用TSP超前地质预报技术对岩溶隧道进行探测,并对多个成功预报实例进行深入分析,归纳了溶洞和暗河等在TSP中的具体反映,总结出洞穴和暗河的判识规律,对类似地质条件下的超前地质预报工作具有一定的指导意义.
Hydrogeological and engineering geological conditions of tunnels,in karst-developed areas,are always highly changing and complex.In engineering investigation work,it is difficult to prove positions,sizes and properties of bad natural geological bodies,which may induce geological hazards in the course of construction.In order to avoid security accidents triggered or produced by rough construction such as water flush,mud(sand) rush,collapse etc,it is urgent to do research on the predictions of bad natural geological bodies in the construction period.TSP can effectively predict positions,sizes and properties of bad natural geological bodies which are located 100～150 m ahead of the tunnel working face.Using TSP geological forecast technology to probe karst tunnels,several TSP forecast examples of the highway tunnel in a karst zone were thoroughly analyzed,the exact responses of underground river and karst caves were established,and the distinguishing rule was obtained.Future work for similar geological forecasts could be guided to some extent.
Hydrogeological and engineering geological conditions of tunnels,in karst-developed areas,are always highly changing and complex.In engineering investigation work,it is difficult to prove positions,sizes and properties of bad natural geological bodies,which may induce geological hazards in the course of construction.In order to avoid security accidents triggered or produced by rough construction such as water flush,mud(sand) rush,collapse etc,it is urgent to do research on the predictions of bad natural geological bodies in the construction period.TSP can effectively predict positions,sizes and properties of bad natural geological bodies which are located 100～150 m ahead of the tunnel working face.Using TSP geological forecast technology to probe karst tunnels,several TSP forecast examples of the highway tunnel in a karst zone were thoroughly analyzed,the exact responses of underground river and karst caves were established,and the distinguishing rule was obtained.Future work for similar geological forecasts could be guided to some extent.
引文
[1]李术才,李树忱,张庆松,等.岩溶裂隙水与不良地质情况超前预报研究[J].岩石力学与工程学报,2007,26(2):217-225.LI Shu-cai,LI Shu-chen,ZHANG Qing-song,et al.Forecastof the karst-fractured groundwater and defective geological con-dition[J].Chinese Journal of Rock Mechanics and Engineer-ing,2007,26(2):217-225.
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[7]ChRISTIAN D.Klose fuzzy rule-based expert system for short-range seismic prediction[J].Computers and Geosciences,2002,28(3):377-386.
[8]李忠,刘秀峰,黄成麟.提高TSP202超前预报系统探测距离的技术措施的研究[J].岩石力学与工程学报,2003,22(3):472-475.LI Zhong,LIU Xiu-feng,HUANG Cheng-lin.Study on thetechnic methods of increasing detection distance of TSP-202system[J].Chinese Journal of Rock Mechanics and Engineer-ing,2003,22(3):472-475.
[2]王梦恕.对岩溶地区隧道施工水文地质超前预报的意见[J].铁道勘查,2004(1):7.WANG Meng-shu.Hydrologic and geological forecast of tunnelconstruction in the karst district[J].Railway Investigation andSurveying,2004(1):7.
[3]刘志刚.概论岩溶或地质复杂隧道隧洞地质灾害超前预报技术[J].铁道建筑技术,2003(2):1-4.LIU Zhi-gang.On advance geological forecast of tunnels onkarst or varied geological conditions[J].Railway ConstructionTechnology,2003(2):1-4.
[4]赵勇,肖书安,刘志刚.TSP超前地质预报系统在隧道工程中的应用[J].铁道建筑技术,2003,7(5):18-22.ZHAO Yong,XIAO Shu-an,LIU Zhi-gang.The application ofTSP in tunnel construction[J].Railway Construction Technolo-gy,2003,7(5):18-22.
[5]肖书安,SATTEL G.瑞士Vereina隧道工程中的地质超前预报测量[J].广东公路交通,1998,54:115-120.XIAO Shu-an,SATTEL G.Advanced geology prediction inVereina tunnel in Switzerland[J].Guangdong Highway Trans-port,1998,54:115-120.
[6]温树林,吴世林.TSP 203在云南元磨高速公路隧道超前地质预报中的应用[J].地球物理学进展,2003,18(3):465-471.WEN Shu-lin,WU Shi-lin.Application of the TSP 203 systemin geological advanced prediction of YuanMo expressway tunnel[J].Progress in Geophysics,2003,18(3):465-471.
[7]ChRISTIAN D.Klose fuzzy rule-based expert system for short-range seismic prediction[J].Computers and Geosciences,2002,28(3):377-386.
[8]李忠,刘秀峰,黄成麟.提高TSP202超前预报系统探测距离的技术措施的研究[J].岩石力学与工程学报,2003,22(3):472-475.LI Zhong,LIU Xiu-feng,HUANG Cheng-lin.Study on thetechnic methods of increasing detection distance of TSP-202system[J].Chinese Journal of Rock Mechanics and Engineer-ing,2003,22(3):472-475.
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