南水北调西线隧道中隐伏断层超前预报研究
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摘要
南水北调调西线工程线路地层倾角陡、沟谷纵横、地质构造复杂、隧道长,埋深大,同时要对1000 m以内的构造、岩溶、岩层划分等进行地质超前预报,利用以往的超前预报方法无法满足工程施工的要求.对于深长埋隧道断层的施工地质超前预报,本文使用CSAMT法探测技术,并进行了近场校正、各向异性校正、静态校正、分辨能力校正和联合反演等手段,进行了实际探测和对比分析,并取得了较好的探测效果.
The south-north water transfer west route project has obvious characteristic.It is stratum slope angle cliffy,channel and vale excessively,geological structure complexity,tunnel long and deeply buried.In the mean time it must advance forecast to find out the geological structure,fault,and rock dissolve cavity and stratum transformation in the 1000 meter.It can not forecast and reach project construct according to the anciently method.This paper introduces the CSAMT technology to detect deeply buried tunnel fault and advance geological forecast in the south-north water transfer west route project.Meanwhile it research the near area revise,anisotropy revise,static state revise and resolving power revise,and use the method of unite reverse calculate etc.It carries through contrast and analysis with the actual inspect sample and obtain approvingly result.
The south-north water transfer west route project has obvious characteristic.It is stratum slope angle cliffy,channel and vale excessively,geological structure complexity,tunnel long and deeply buried.In the mean time it must advance forecast to find out the geological structure,fault,and rock dissolve cavity and stratum transformation in the 1000 meter.It can not forecast and reach project construct according to the anciently method.This paper introduces the CSAMT technology to detect deeply buried tunnel fault and advance geological forecast in the south-north water transfer west route project.Meanwhile it research the near area revise,anisotropy revise,static state revise and resolving power revise,and use the method of unite reverse calculate etc.It carries through contrast and analysis with the actual inspect sample and obtain approvingly result.
引文
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[12]李伟华,赵成刚.具有饱和土沉积层的充水河谷对平面波的散射[J].地球物理学报,2006,49(1):212~224.Li W H,Zhao C G.Scattering of plane waves by circular-arcalluvial valleys with saturated soil deposits and water[J].Chinese J.Geophys.(in Chinese),2006,49(1):212~224.
[13]李广诚,严福章.南水北调工程概况及其主要工程地质问题[J].工程地质学报,2004.(4):354~360.Li G C,Yan F Z.An overview of the china's south-north wa-ter transfer project and its major engineering geological prob-lems[J].Journal of Engineering Geology,2004,(4):354~360.
[14]陈祥,孙进忠.改进的等效半空间法及瑞雷波频散曲线反演[J].地球物理学报,2006,49(2):569~576.Chen X,Sun J Z.An improved equivalent homogenous half-space method and reverse fitting analysis of Rayleigh wavedispersion curve[J].Chinese J.Geophys.(in Chinese),2006,49(2):569~576.
[15]卢占武,高锐,李秋生,等.中国青藏高原深部地球物理探测与地球动力学研究(1958~2004)[J].地球物理学报,2006,49(3):753~770.Lu Z W,Gao R,Li Q S,Huang L Y,et al.Deep geophysicalprobe and geodynamic study on the Qinghai-Tibet Plateau(1958~2004)[J].Chinese J.Geophys.(in Chinese),2006,49(3):753~770.
[16]黄俊革,王家林,阮百尧.坑道直流电阻率法超前探测研究[J].地球物理学报,2006,49(5):1529~1538.Huang J G,Wang J L,Ruan B Y.A study on advanced de-tection using DC resistivity method in tunnel[J].Chinese J.Geophys.(in Chinese),2006,49(5):1529~1538.
[17]闫述,陈明生.瞬变电磁场资料的联合时-频分析解释[J].地球物理学报,2005,48(1):203~208.Yan S,Chen M S.Interpretation of transient electromagneticfield data using joint time-frequency analysis[J].Chinese J.Geophys.(in Chinese),2005,48(1):203~208.
[18]陈小斌,赵国泽,汤吉,等.大地电磁自适应正则化反演算法[J].地球物理学报,2005,48(4):937~946.Chen X B,Zhao G Z,Tang J,et al.An adaptive regularizedinversion algorithm for magnetotelluric data[J].Chinese J.Geophys.(in Chinese),2005,48(4):937~946.
[19]李学民,曹俊兴.磁化率对大地电磁响应的影响研究[J].地球物理学报,2005,48(4):947~950.Li X M,Cao J X.A study on the influence of magnetic sus-ceptibility upon MT response[J].Chinese J.Geophys.(inChinese),2005,48(4):947~950.
[20]王友善,魏传根.电磁测深方法研究[J].地球物理学报,2006,49(1):256~263.Wang Y S,Wei C G.A study of the EM method to explorestrata[J].Chinese J.Geophys.(in Chinese),2006,49(1):256~263.
[2]薛国强,李貅,郭文波,等.从瞬变电磁测深数据到平面电磁波场数据的等效转换[J].地球物理学报,2006,49(5):1539~1545.Xue G Q,Li X,Guo W B,et al.Equivalent transformationfrom TEM field sounding data to plane-wave electromagneticsounding data[J].Chinese J.Geophys.(in Chinese),2006,49(5):1539~1545.
[3]马晓冰,孔祥儒,刘宏兵,等.青藏高原东北部地区地壳电性结构特征[J].地球物理学报,2005,48(3):689~697.Ma X B,Kong X R,Liu H B,et al.The electrical structureof northeastern Qinghai-Tibet plateau[J].Chinese J.Geo-phys.(in Chinese),2005,48(3):689~697.
[4]吴小平.非平坦地形条件下电阻率三维反演[J].地球物理学报,2005,48(4):932~936.Wu X P.3-D resistivity inversion under the condition of une-ven terrain[J].Chinese J.Geophys.(in Chinese),2005,48(4):932~936.
[5]底青云,王光杰,安志国,等.南水北调西线千米深长隧洞围岩构造地球物理勘探[J].地球物理学报,2006,49(6):1836~1842.Di Q Y,Wang G J,An Z G,et al.Geophysical exploration ofa long deep tunnel on the west route of South-to-North WaterDiversion Project[J].Chinese J.Geophys.(in Chinese),2006,49(6):1836~1842.
[6]薛云峰,何继善,郭玉松.南水北调西线工程深埋隧道地质超前预报系统研究的思考[J].地球物理学进展,2006,21(3):993~997.Xue Y F,He J S,Guo Y S.Advance geological predictionsystem researech used in deeply buried Tunnel Project ofSouth-to-North Transfer Water[J].Progress in grophysics.2006,21(3):993~997.
[7]李金都,王学潮.南水北调西线工程区活动断层CSAMT技术探测研究[J].岩石力学与工程学报,2004,23(17):2932~2936.Li J D,Wang X C.Application of CSAMT to prospecting ac-tive fault[J].Chinese Journal of Rock Mechanics and Engi-neering,2004,23(17):2932~2936.
[8]孙英勋.CSAMT法在高速公路长大深埋隧道勘察中的应用研究[J].地球物理学进展,2005,20(4):1183~1188.Sun Y X.Application of CSAMT electromagnetic image sys-tem in survey of deeply-buried long tunnels for expressway[J].Progress in grophysics,2005,20(4):1183~1188.
[9]Wang Q Y,Shi M Y,K.F,et al.CSAMT research surveyfor preventing water-bursting disaster in mining[A].In:Pro-ceedings of the106th SEGJ Conference[C].Tokyo:Society ofExploration Geophysicists of Japan,2002,43~49.
[10]赵永贵,刘浩,孙宇,等.隧道地质超前预报进展[J].地球物理学进展,2003,18(3):460~464.Zhao Y G,Liu H,Sun Y,et al.Research progress in tunnelgeological prediction[J].Progress in grophysics,2003,18(3):460~464.
[11]温树林,吴世林.TSP203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 S L,Wu S L.Application of the TSP 203 system in ge-ological advanced prediction of YuanMo expressway tunnel[J].Progress in grophysics,2003,18(3):465~471.
[12]李伟华,赵成刚.具有饱和土沉积层的充水河谷对平面波的散射[J].地球物理学报,2006,49(1):212~224.Li W H,Zhao C G.Scattering of plane waves by circular-arcalluvial valleys with saturated soil deposits and water[J].Chinese J.Geophys.(in Chinese),2006,49(1):212~224.
[13]李广诚,严福章.南水北调工程概况及其主要工程地质问题[J].工程地质学报,2004.(4):354~360.Li G C,Yan F Z.An overview of the china's south-north wa-ter transfer project and its major engineering geological prob-lems[J].Journal of Engineering Geology,2004,(4):354~360.
[14]陈祥,孙进忠.改进的等效半空间法及瑞雷波频散曲线反演[J].地球物理学报,2006,49(2):569~576.Chen X,Sun J Z.An improved equivalent homogenous half-space method and reverse fitting analysis of Rayleigh wavedispersion curve[J].Chinese J.Geophys.(in Chinese),2006,49(2):569~576.
[15]卢占武,高锐,李秋生,等.中国青藏高原深部地球物理探测与地球动力学研究(1958~2004)[J].地球物理学报,2006,49(3):753~770.Lu Z W,Gao R,Li Q S,Huang L Y,et al.Deep geophysicalprobe and geodynamic study on the Qinghai-Tibet Plateau(1958~2004)[J].Chinese J.Geophys.(in Chinese),2006,49(3):753~770.
[16]黄俊革,王家林,阮百尧.坑道直流电阻率法超前探测研究[J].地球物理学报,2006,49(5):1529~1538.Huang J G,Wang J L,Ruan B Y.A study on advanced de-tection using DC resistivity method in tunnel[J].Chinese J.Geophys.(in Chinese),2006,49(5):1529~1538.
[17]闫述,陈明生.瞬变电磁场资料的联合时-频分析解释[J].地球物理学报,2005,48(1):203~208.Yan S,Chen M S.Interpretation of transient electromagneticfield data using joint time-frequency analysis[J].Chinese J.Geophys.(in Chinese),2005,48(1):203~208.
[18]陈小斌,赵国泽,汤吉,等.大地电磁自适应正则化反演算法[J].地球物理学报,2005,48(4):937~946.Chen X B,Zhao G Z,Tang J,et al.An adaptive regularizedinversion algorithm for magnetotelluric data[J].Chinese J.Geophys.(in Chinese),2005,48(4):937~946.
[19]李学民,曹俊兴.磁化率对大地电磁响应的影响研究[J].地球物理学报,2005,48(4):947~950.Li X M,Cao J X.A study on the influence of magnetic sus-ceptibility upon MT response[J].Chinese J.Geophys.(inChinese),2005,48(4):947~950.
[20]王友善,魏传根.电磁测深方法研究[J].地球物理学报,2006,49(1):256~263.Wang Y S,Wei C G.A study of the EM method to explorestrata[J].Chinese J.Geophys.(in Chinese),2006,49(1):256~263.
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