地震CT在芭蕉箐隧道地质灾害诊断中的应用
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摘要
计算机层析成像简称为CT,是一种利用在物体周边所得到的某种物理量的一维投影数据,经过计算机处理,重建物理特定层面上的二维图像和依据一系列二维图像构成三维图像的技术。本文详细介绍了地震CT探测技术在芭蕉箐隧道中探测应用情况。针对芭蕉箐隧道上、下行线中部均出现坍塌,按照规范的方法对所设计的方案进行了勘测,经过野外数据采集、室内资料处理和地质解释等阶段的工作,本次勘探取得了预期的成果。
Computer Tomography referred to as CT,which is taking advantage of an object around a certain physical quantity obtained by one-dimensional projection data,through computer processing,given the level of the physical reconstruction of two-dimensional images and constitutes the basis of a two-dimensional image of the three-dimensional image technology.This paper introduces the application of seismic CT survey method of section arrangement in the Bajiaoqing tunnel.Considering the cracks appeared in the Bajiaoqing tunnel collapse occurred in central of uplink,downlink of Bajiaoqing tunnel,we have surveyed this area according to the designed plan.After the data collecting,data processing,geological interpretation and other meticulous work,anticipated results are achieved from this survey.
Computer Tomography referred to as CT,which is taking advantage of an object around a certain physical quantity obtained by one-dimensional projection data,through computer processing,given the level of the physical reconstruction of two-dimensional images and constitutes the basis of a two-dimensional image of the three-dimensional image technology.This paper introduces the application of seismic CT survey method of section arrangement in the Bajiaoqing tunnel.Considering the cracks appeared in the Bajiaoqing tunnel collapse occurred in central of uplink,downlink of Bajiaoqing tunnel,we have surveyed this area according to the designed plan.After the data collecting,data processing,geological interpretation and other meticulous work,anticipated results are achieved from this survey.
引文
[1]李丹,李川,赵永贵.地震CT与FBG传感器技术在隧道结构诊断中的应用[J].工程地质学报,2008,16(6):839-843.Li D,Li C,Zhao YG.Application of seismic CT and FBG sensor techniques to tunnel structure diagnosis[J].Journal of Engineering Geology,2003,11(4):440-444.
[2]贾莹,孟刚,荣宁,等.地震CT在箱型梁桥检测中的应用[J].山东理工大学学报:自然科学版,2008,22(4):71-75.Jia Y,Meng G,Rong N,et al.Application of seismic CT method for trunk girder spans bridge[J].Journal of Shandong University of Technology:Natural Science Edition,2008,22(4):71-75.
[3]肖宽怀,孙宇,范明外,等.地震CT技术在大风垭隧道地质病害诊治中的应用[J].地球物理学进展,2004,19(3):678-683.Xiao KH,Sun Y,Fan MW,et al.Seismic tomograghy used to examine geological hazards in the Dafengya tunnels[J].Progress in the Geophysics,2004,19(3):678-683.
[4]肖宽怀,刘浩,孙宇,等.地震CT勘探在昆石公路隧道病害诊断中的应用[J].地球物理学进展,2003,18(3):472-476.Xiao KH,Liu H,Sun Y,et al.Seismic tomography used to examine geological hazards in the tunnels of Kunming-Shilin highway[J].Progress in the Geophysics,2003,18(3):472-476.
[5]王建军,廖全涛,曹建伟,等.应用井间地震CT探测某桥墩基础断裂[J].物探与化探,2006,30(2):186-188.Wang JJ,Liao QT,Cao JW,et al.The application of the crosshole seismic computertzed topography to the detection of fissures in bridge foundation[J].Geophysical and Geochemical Exporation,2006,30(2):186-188.
[6]靳洪晓,赵永贵,李勤,等.地面地震CT在浅层勘探中的应用[J].工程地质学报,2000,8(2):339-243.Jin HX,Zhao YG,Li Q,et al.Application of surface seismic tomography to shallow geologicao survey[J].Journal of Engineering Geology,2000,8(2):339-243.
[7]孙宇,肖宽怀,赵永贵,等.地震CT勘探原理及其在公路隧道病害诊断中的应用[J].工程地质学报,2003,11(4):440-444.Sun Y,Xiao KH,Zhao YG,et al.The principal of seismic computer-aided tomography and it's application to examination of tunnel hazards in highway[J].Journal of Engineering Geology,2003,11(4):440-444.
[2]贾莹,孟刚,荣宁,等.地震CT在箱型梁桥检测中的应用[J].山东理工大学学报:自然科学版,2008,22(4):71-75.Jia Y,Meng G,Rong N,et al.Application of seismic CT method for trunk girder spans bridge[J].Journal of Shandong University of Technology:Natural Science Edition,2008,22(4):71-75.
[3]肖宽怀,孙宇,范明外,等.地震CT技术在大风垭隧道地质病害诊治中的应用[J].地球物理学进展,2004,19(3):678-683.Xiao KH,Sun Y,Fan MW,et al.Seismic tomograghy used to examine geological hazards in the Dafengya tunnels[J].Progress in the Geophysics,2004,19(3):678-683.
[4]肖宽怀,刘浩,孙宇,等.地震CT勘探在昆石公路隧道病害诊断中的应用[J].地球物理学进展,2003,18(3):472-476.Xiao KH,Liu H,Sun Y,et al.Seismic tomography used to examine geological hazards in the tunnels of Kunming-Shilin highway[J].Progress in the Geophysics,2003,18(3):472-476.
[5]王建军,廖全涛,曹建伟,等.应用井间地震CT探测某桥墩基础断裂[J].物探与化探,2006,30(2):186-188.Wang JJ,Liao QT,Cao JW,et al.The application of the crosshole seismic computertzed topography to the detection of fissures in bridge foundation[J].Geophysical and Geochemical Exporation,2006,30(2):186-188.
[6]靳洪晓,赵永贵,李勤,等.地面地震CT在浅层勘探中的应用[J].工程地质学报,2000,8(2):339-243.Jin HX,Zhao YG,Li Q,et al.Application of surface seismic tomography to shallow geologicao survey[J].Journal of Engineering Geology,2000,8(2):339-243.
[7]孙宇,肖宽怀,赵永贵,等.地震CT勘探原理及其在公路隧道病害诊断中的应用[J].工程地质学报,2003,11(4):440-444.Sun Y,Xiao KH,Zhao YG,et al.The principal of seismic computer-aided tomography and it's application to examination of tunnel hazards in highway[J].Journal of Engineering Geology,2003,11(4):440-444.
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