汶川大地震中映秀-虹口地区的地表破裂
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摘要
2008年5月12日14:28四川省西部发生Ms8.0级强震,基于对震区第一手的调查资料,在简介映秀-虹口地区地质条件与断裂构造格局的基础上,对该地区地表破裂带及其分布进行分类和描述,并初步探讨地表破裂带与断裂构造的关系及对工程结构的影响。经分析,映秀-北川断裂的逆冲-走滑作用是映秀-虹口地区地表主要破裂带产生的原因,但滑覆体和次级断层的强烈活动也造成了连续的地表破裂,不同地表破裂带对附近工程结构的影响有所区别。
At 14:28,May 12th 2008,a strong earthquake measured Ms 8.0 hit west Sichuan province,PR China.Based on field reconnaissance,a brief introduction to the geology and fault patterns in Yingxiu and Hongkou area was introduced.The surface ruptures,and its relation with fault patterns,which post-quake reconstruction have to face with,were described and discussed.
At 14:28,May 12th 2008,a strong earthquake measured Ms 8.0 hit west Sichuan province,PR China.Based on field reconnaissance,a brief introduction to the geology and fault patterns in Yingxiu and Hongkou area was introduced.The surface ruptures,and its relation with fault patterns,which post-quake reconstruction have to face with,were described and discussed.
引文
[1]http://www.csi.ac.cn/sichuan/sichuan080512_cs1.htm
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[14]Ma Yongwang,Liu Shun.Tecnonic deformation feature andformation mechanism of the Dayudong-Jiudianping-Longxigliding nappe in Peng-gaun area,Western Sichuan[J].Jour-nal of Chengdu University of Technology:Science&Tech-nology Edition,2003,30(5):462-467.[马永旺,刘顺.龙门山彭灌地区大雨洞-九垫坪-龙溪滑覆体的变形特征及形成[J].成都理工大学学报:自然科学版,2003,30(5):462-467.]
[15]Sun Yan,Li Bengliang,Liu Hailing,et al.On layer-slip,dip-slip ands strike-slip fault system[J].Journal of Geome-chanics,1999,5(3):54-57.[孙岩,李本亮,刘海龄,等.层滑、倾滑与走滑断裂系统[J].地质力学学报,1999,5(3):54-57.]
[2]Xie Heping,Deng Jianhui,Tai Jiajia,et al.Wenchuan largeearthquake and post-earthquake reconstruction-relatedgeotechnical problems[J].Chinese Journal of Rock Mechan-ics and Engineering,2008,27(9):1782-1791.[谢和平,邓建辉,台佳佳,等.汶川大地震灾害与灾区重建的岩土工程问题[J].岩石力学与工程学报,2008,27(9):1782-1791.]
[3]四川省地质矿产局.地质说明书-都江堰幅(1∶50000)[R].1996.
[4]四川省地质矿产局.地质说明书-映秀幅(1∶50000)[R].1996.
[5]Deng Qidong,Chen Shefa,Zhao Xiaolin.Tectonics,seis-micity and dynamics of Longmen Mountains and its adjacentregions[J].Seismology and Geology,1994,16(4):389-402.[邓起东,陈社发,赵小麟.龙门山及其邻区的构造和地震活动及动力学[J].地震地质,1994,6(4):389-402.]
[6]http://www.openv.com/play/tvprogramme_20080529_6295608.html.
[7]He Honglin,Sun Zhaomin,Wang Shiyuan,et al.Ruptureof the Ms 8.0 Wenchuan earthquake[J].Seismology andGeology,2008,30(2):359-362.[何宏林,孙昭民,王世元,等.汶川Ms8.0地震地表破裂带[J].地震地质,2008,30(2):359-362.]
[8]Li Yong,Zhou Rongjun,Dong Shunli,et al.Surface rupture,thrusting and strike-slipping in the Wenchuan earthquake ofSichuan,China[J].Journal of Chengdu University of Tech-nology:Science&Technology Edition,2008,35(4):404-413.[李勇,周荣军,董顺利,等.汶川大地震的地表破裂和逆冲-走滑作用[J].成都理工大学学报(自然科学版),2008,35(4):404-413.]
[9]Zhou Rongjun,Huan Runqiu,Lei Jiancheng,et al.Surfacerupture and hazard characteristics of Wenchuan earthquakeWith 8.0 in Sichuan province[J].Chinese Journal of RockMechanics and Engineering,2008,27(11):2173-2183.[周荣军,黄润秋,雷建成,等.四川汶川8.0级地震的地表破裂与震害特点[J].岩石力学与工程学报,2008,27(11):2173-2183.]
[10]Dong J J,Wang C D,Lee C T,et al.The influence of sur-face ruptures on building damage in the 1999 Chi-Chi earth-quake:a case study in Fengyuan City[J].Engineering Ge-ology,2003,71:157-179.
[11]Lin Maobing,Wu Shan.Deformational feature of nappestructures in the Longmenshan mountains[J].Journal ofChengdu College of Geology,1991,18(1):46-54.[林茂炳,吴山.龙门山推覆构造变形特征[J].四川地质学院学报,1991,18(1):46-54.]
[12]Lin Maobing.A discussion on basic texture style of thenappe tectonic belt on Longmen mountains[J].Journal ofChengdu Institute of Technology,1994,1(3):1-7.[林茂炳.初论龙门山推覆构造带的基本结构样式[J].成都理工学院学报,1994,21(3):1-7.]
[13]Siu Zhaochan,Dai Zhenyong.The features and the forma-tion of the nappe structure in Pengxian County,SichuanProvince[J].Earth Science-Journal of Wuhan College ofGeology,1986,11(1):13-20.[刘肇昌,代真勇.四川彭县推覆构造的特征与形成[J].地球科学-武汉地质学院学报,1986,11(1):13-20.]
[14]Ma Yongwang,Liu Shun.Tecnonic deformation feature andformation mechanism of the Dayudong-Jiudianping-Longxigliding nappe in Peng-gaun area,Western Sichuan[J].Jour-nal of Chengdu University of Technology:Science&Tech-nology Edition,2003,30(5):462-467.[马永旺,刘顺.龙门山彭灌地区大雨洞-九垫坪-龙溪滑覆体的变形特征及形成[J].成都理工大学学报:自然科学版,2003,30(5):462-467.]
[15]Sun Yan,Li Bengliang,Liu Hailing,et al.On layer-slip,dip-slip ands strike-slip fault system[J].Journal of Geome-chanics,1999,5(3):54-57.[孙岩,李本亮,刘海龄,等.层滑、倾滑与走滑断裂系统[J].地质力学学报,1999,5(3):54-57.]
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