伊通河断裂及其稳定性评价
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摘要
伊通河断裂的分布规律和危险性评价对长春市的发展和规划具有重要意义。在区域地质调查、区域地球物理数据处理基础上,利用地面电法、探地雷达和浅层地震探测,确定伊通河断裂呈近南北向分布,总体向西倾,倾角较大。根据探地雷达探测结果推断伊通河断裂切断白垩系地层,是一条早第四纪活动断层。分析伊通河断裂是强扭性断裂,处于伊通河断裂冲蚀谷地中。第四纪以来,特别是晚更新世以来,断裂活动趋于稳定,反生中强地震的概率很小。
The estimation on the distribution and risk of Yitonghe faults plays an important role in civil development and planning of Changchun City.Based on regional geological survey and geophysical data,the authors have confirmed that the Yitonghe faults distribute in north-south trending with west dipping and large dip angle,which was used the methods of surface electric survey,ground penetrating radar detection and reflection seismic survey.Through the radar detection,the authors infer the Yitonghe faults as Quaternary active faults,cutting off the Cretaceous formations,and define the Yitonghe faults as high torsional faults in Yitonghe erosion valley.Since Quaternary,especially the late Pleistocene,the Yitonghe faults have tended to stable,with small probability of moderate-strong earthquakes.
The estimation on the distribution and risk of Yitonghe faults plays an important role in civil development and planning of Changchun City.Based on regional geological survey and geophysical data,the authors have confirmed that the Yitonghe faults distribute in north-south trending with west dipping and large dip angle,which was used the methods of surface electric survey,ground penetrating radar detection and reflection seismic survey.Through the radar detection,the authors infer the Yitonghe faults as Quaternary active faults,cutting off the Cretaceous formations,and define the Yitonghe faults as high torsional faults in Yitonghe erosion valley.Since Quaternary,especially the late Pleistocene,the Yitonghe faults have tended to stable,with small probability of moderate-strong earthquakes.
引文
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[15]李端生.长春市深部地下水赋存规律之我见[J].吉林地质,1995,14(4):63-68.LI Duan-sheng.The occurrence law of deep groundwater in Changchun City,Jilin Province[J].Jilin Geology,1995,14(4):63-68.
[16]崔斗烈.长春市地质灾害探讨[J].吉林地质,1990,9(4):62-67.CUI Dou-lie.A preliminary study on the geology catas-trophe in Changchun City[J].Jilin Geology,1990,9(4):62-67.
[17]吉林省区域地质调查所.长春市活断层探测与地震危险性评价—长春市1∶25万地震构造图编图技术报告[R].长春:吉林省区域地质调查所,2007.Geological Research Institute of Jilin.Changchun active fault detection and earthquake evaluation—the technique report of1∶250000earthquake structure map[R].Changchun:Geological Research Institute of Jilin,2007.
[18]苏秀杰,宫云成,李国松,等.长春市城区岩土工程地质浅析[J].吉林地质,2008,27(3):94-97.SU Xiu-jie,GONG Yun-cheng,LI Guo-song,et al.Re-search of geotechnical engineering geologic features in Changchun[J].Jilin Geology,2008,27(3):94-97.
[19]吉林省物探大队.新立城地区煤田地震区域普查成果报告[R].长春:吉林省物探大队,1985.Geophysical Prospecting Team of Jilin Province.Region-al survey results of coalfield seismic in Xinlicheng area[R].Changchun:Geophysical Prospecting Team of Ji-lin Province,1985.
[20]梁小华,蒋溥,董津城,等.断裂地震地表断错危险性评价[J].地震地质,2002,24(4):495-502.LIANG Xiao-hua,JIANG Pu,DONG Jin-cheng,et al.Risk evaluation of surface dislocation caused by earth-quake[J].Seismology and Geology,2002,24(4):495-502.
[21]王建民.发震断裂地表破裂的危险性分析[J].工程勘察,1992(4):7-11.WANG Jian-min.Risk analysis of surface fracture in seismic fault[J].Geotechnical Investigation and Sur-veying,1992(4):7-11.
[22]闵伟,焦德成,周本刚,等.依兰—伊通断裂全新世活动的新发现及其意义[J].地震地质.2011,33(1):141-150.MIN Wei,JIAO De-cheng,ZHOU Ben-gang,et al.The significance of discovery on Holocene activity on the Yi-lan--Yitong fault in northeast China[J].Seismology and Geology,2011,33(1):141-150.
[23]崔国柱,李恩泽,曾昭发.活动断层与地球物理方法[J].世界地质,2003,22(2):185-190.CUI Guo-zhu,LI En-ze,ZENG Zhao-fa.Active fault and geophysical methods[J].Global Geology,2003,22(2):185-190.
[2]刘占声.伊通河断裂的图像特征,长春遥感试验论文集[R].长春:吉林出版社,1981:87-91.LIU Zhan-sheng.The image characters of Yitonghe fault:symposium of Changchun remote sensing test[R].Changchun:Jilin Press,1981:87-91.
[3]崔斗烈.吉林省新构造运动的基本特征[J].吉林地质,1983,2(3):14-31.CUI Dou-lie.The basic character of the recent tectonic movements in Jilin Province[J].Jilin Geology,1983,2(3):14-31.
[4]陈春生.遥感技术在长春市区环境地质与城市稳定性评价中的应用[J].吉林地质,1990,9(2):73-79.CHEN Chun-sheng.The application of remote sensing in evaluation for environmental geology in the urban districts of Changchun and for stability of city[J].Jilin Geology,1990,9(2):73-79.
[5]盛俭,薄景山,佴磊,等.伊通河断裂探测及活动时代研究[J].东北水利水电,2007(11):68-72.SHENG Jian,BO Jing-shan,NAI Lei,et al.Study on rupture probing and active times of Yitonghe river[J]Water Resources&Hydropower of Northeast,2007(11):68-72.
[6]李宏卿,田钢,吴琼,等.城市地下水赋存环境分析与数值模拟—以长春城区为例[J].世界地质,2005,24(2):213-219.LI Hong-qing,TIAN Gang,WU Qiong,et al.Analysis on storage environment of groundwater in urban area and its numerical simulation:a case study of Changchun City[J].Global Geology,2005,24(2):213-219.
[7]郝福江,杜继宇,王璞珺,等.深大断裂对松辽断陷盆地群南部的控制作用[J].世界地质,2010,29(4):553-560.HAO Fu-jiang,DU Ji-yu,WANG Pu-jun,et al.Control of deep-large fault to southern Songliao fault basin group[J].Global Geology,2010,29(4):553-560.
[8]WANG Xi-kui,QIU Shan-wen,SONG Chang-chun,et al.Cenozoic volcanism and geothermal resources in Northeast China[J].Chinese Geographical Science,2001,11(2):150-154.
[9]吉林大学.长春市及周边地区重磁数据处理与解释报告[R].长春:吉林大学,2003:1-180.Jilin University.Changchun City and the surrounding area of gravity and magnetic data processing and interpretation reports[R].Changchun:Jilin University,2003:1-180.
[10]吉林省地质局.长春市幅区域水文地质调查报告(1∶20万)[R].长春:吉林省地质局,1978:1-108.Geological Bureau of Jilin Province.The report of re-gional hydrogeological survey in Changchun region(1∶200000)[R].Changchun:Geological Bureau of Jilin Province,1978:1-108.
[11]吉林大学.长春市活断层探测与地震危险性评价项目前期工作子课题—直流电法勘探报告[R].长春:吉林大学,2004:1-89.Jilin University.Changchun active fault detection and earthquake evaluation-the technique report of electrical detection[R].Changchun:Jilin University,2004:1-89.
[12]吉林大学.长春市活断层探测与地震危险性评价—控制性探地雷达探测技术报告[R].长春:吉林大学,2007:1-150.Jilin University.Changchun active fault detection and earthquake evaluation—the technique report of GPR de-tection[R].Changchun:Jilin University,2007:1-150.
[13]吉林省地震工程研究中心.长春市地铁2号线前期工程场地地震安全性评价报告[R]长春:吉林省地震工程研究中心,2010:1-200.Earthquake Engineering Institute of Jilin Province.The report of earthquake evaluation of Changchun subway2#line[R].Changchun:Earthquake Engineering Institu-te of Jilin Province,2010:1-200.
[14]马凤翔.长春市建筑场地稳定性和场地土抗震分类[J].吉林地质,1987,6(3):28-36.MA Feng-xiang.Site stability and antiseismic classifica-tion of the earth base in Changchun City[J].Jilin Ge-ology,1987,6(3):28-36.
[15]李端生.长春市深部地下水赋存规律之我见[J].吉林地质,1995,14(4):63-68.LI Duan-sheng.The occurrence law of deep groundwater in Changchun City,Jilin Province[J].Jilin Geology,1995,14(4):63-68.
[16]崔斗烈.长春市地质灾害探讨[J].吉林地质,1990,9(4):62-67.CUI Dou-lie.A preliminary study on the geology catas-trophe in Changchun City[J].Jilin Geology,1990,9(4):62-67.
[17]吉林省区域地质调查所.长春市活断层探测与地震危险性评价—长春市1∶25万地震构造图编图技术报告[R].长春:吉林省区域地质调查所,2007.Geological Research Institute of Jilin.Changchun active fault detection and earthquake evaluation—the technique report of1∶250000earthquake structure map[R].Changchun:Geological Research Institute of Jilin,2007.
[18]苏秀杰,宫云成,李国松,等.长春市城区岩土工程地质浅析[J].吉林地质,2008,27(3):94-97.SU Xiu-jie,GONG Yun-cheng,LI Guo-song,et al.Re-search of geotechnical engineering geologic features in Changchun[J].Jilin Geology,2008,27(3):94-97.
[19]吉林省物探大队.新立城地区煤田地震区域普查成果报告[R].长春:吉林省物探大队,1985.Geophysical Prospecting Team of Jilin Province.Region-al survey results of coalfield seismic in Xinlicheng area[R].Changchun:Geophysical Prospecting Team of Ji-lin Province,1985.
[20]梁小华,蒋溥,董津城,等.断裂地震地表断错危险性评价[J].地震地质,2002,24(4):495-502.LIANG Xiao-hua,JIANG Pu,DONG Jin-cheng,et al.Risk evaluation of surface dislocation caused by earth-quake[J].Seismology and Geology,2002,24(4):495-502.
[21]王建民.发震断裂地表破裂的危险性分析[J].工程勘察,1992(4):7-11.WANG Jian-min.Risk analysis of surface fracture in seismic fault[J].Geotechnical Investigation and Sur-veying,1992(4):7-11.
[22]闵伟,焦德成,周本刚,等.依兰—伊通断裂全新世活动的新发现及其意义[J].地震地质.2011,33(1):141-150.MIN Wei,JIAO De-cheng,ZHOU Ben-gang,et al.The significance of discovery on Holocene activity on the Yi-lan--Yitong fault in northeast China[J].Seismology and Geology,2011,33(1):141-150.
[23]崔国柱,李恩泽,曾昭发.活动断层与地球物理方法[J].世界地质,2003,22(2):185-190.CUI Guo-zhu,LI En-ze,ZENG Zhao-fa.Active fault and geophysical methods[J].Global Geology,2003,22(2):185-190.
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