汶川地震触发崩滑与Arias强度关系研究
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摘要
利用汶川地震获得的强震记录及诱发的大量崩滑数据,对地震触发滑坡和Arias强度的关系进行了研究,得到汶川地震在龙门山震区Arias强度可以触发崩滑的水平向下限值约为0.4m/s,上限值可以定为4m/s,研究区不同出露地层可以触发崩滑的Arias强度变化范围不同,平均下限不超过1.0m/s.对部署于龙门山断裂带的强震数据拟合,得到汶川地震龙门山震区Arias强度的衰减关系.利用衰减关系对地震触发崩滑影响区域的估计与实际情况比较吻合,表明综合了地震动记录的振幅、持时和频率信息的Arias强度参数与地震地表破坏程度关系更为密切.可以将Arias强度参数应用于震后地震触发崩滑等地质灾害影响区域的评估工作,评估结果较以烈度作为评估因子的结果更为集中,比较适合于震后应急期间灾害快速评估,可为应急救援决策和方案的制定提供参考信息.
Based on the data obtained from the Wenchuan Earthquake,the relationship between earthquake-induced landslides and Arias intensity(I_a) was studied.The results included:the threshold of I_a was about 0.4m/s,and 4m/s could be regarded as the upper limit.Different stratum with different I_a variation scope,the average I_a was about 1.0m/s in the Longmenshan earthquake-hit areas.I_a attenuation law was established based on the strong motion records distributed long the Longmenshan Faults.The estimated result from this attenuation was fit well with real case,which showed I_a paramter that mixed the information of amplitude,duration and frequency was more relevant with earthquake surface damages.The area evaluated from Arias attenuation was more concentrated than that of earthquake intensity.Therefore,Arias intensity can be used to quickly estimate affected area of earthquake-induced landslides to provide information for decision making and hazard evaluation during earthquake emergency rescue time.
Based on the data obtained from the Wenchuan Earthquake,the relationship between earthquake-induced landslides and Arias intensity(I_a) was studied.The results included:the threshold of I_a was about 0.4m/s,and 4m/s could be regarded as the upper limit.Different stratum with different I_a variation scope,the average I_a was about 1.0m/s in the Longmenshan earthquake-hit areas.I_a attenuation law was established based on the strong motion records distributed long the Longmenshan Faults.The estimated result from this attenuation was fit well with real case,which showed I_a paramter that mixed the information of amplitude,duration and frequency was more relevant with earthquake surface damages.The area evaluated from Arias attenuation was more concentrated than that of earthquake intensity.Therefore,Arias intensity can be used to quickly estimate affected area of earthquake-induced landslides to provide information for decision making and hazard evaluation during earthquake emergency rescue time.
引文
国土资源部地质环境监测院,“5.12”汶川地震区地质灾害防治区划图,2008.
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[3]Jibson R W.Predicting earthquake-induced landslide displacements using Newmark' s sliding block analysis[R]. Transportation Research Record,No.1411,1993:9-17
[4]Harp E L,Wilson R C.Shaking intensity thresholds for rock falls and slides:evidence from 1987 Whittier Narrows and Superstition Hill Earthquake strong-motion records[J].Bulletin of the Seismological Society of America,1995,85(6): 1739-1757
[5]黄润秋,李为乐.“5·12'”汶川大地震触发地质灾害的发育分布规律研究[J].岩石力学与工程学报,2008,27 (12):2585-2592 Huang Runqiu,Li Weile.Research on development and distribution rules of geohazards induced by Wenchuan Earthquake on 12th may,2008[J].Chinese Journal of Rock Mechanics and Engineering,2008,27(12):2585-2592
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[8]于海英,王栋,杨永强,等.汶川8.0级地震强震动特征初步分析[J].震灾防御技术,2008,3(4):321-336 Yu Haiying,Wang Dong,Yang Yongqiang,et al.The Preliminary analysis of strong ground motion characteristics from the Ms8.0 Wenchuan Earthquake,China[J].Technology for Earthquake Disaster Prevention,2008,3(4):321-336
[9]Li Xiaojun,Zhou Zhenghua,Yu Haiying,et al.Strong motion observations and recordings from the great Wenchuan Earthquake[J].Earthquake Engineering and Engineering Vibration,2008,7(3):235-246
[10]周朝晖.2008年四川汶川8.0级地震强震动台网观测记录[J].四川地震,2008,4:25-29 Zhou Chaohui.The Strong ground motion recordings of the Ms8.0 Wenchuan Earthquake in Sichuan Province[J]. Earthquake Research in Sichuan,2008,4:25-29
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[12]Arias A.A measure of earthquake intensity[C]//Hansen R J.Seismic design for nuclear power plants.Massachusetts Institute of Technology(MIT) Press,Cambridge,Massachusetts,1970:438-483
[13]Roberto Romeo.Seismically induced landslide displacements:a predicitive model[J].Engineering Geology,2000,58 (3-4):337-351
[14]Carro M,Amicis M D,Luzi L,et al.The application of predictive modeling techniques to landslides induced by earthquakes:the case study of the 26 September 1997 Umbria-Marche earthquake(Italy)[J].Engineering Geology, 2003,69(1-2):139-159
[15]许冲,戴福初,姚鑫.汶川地震诱发滑坡灾害的数量与面积[J].科技导报,2009,11:79-81 Xu Chong,Dai Fuchu,Yao Xin.Incidence number and affected area of Wenchuan Earthquake-induced landslides[J]. Science & Technology Review,2009,11:79-81
[16]徐锡伟,闻学泽,叶建青,等.汶川Ms8.0地震地表破裂带及其发震构造[J].地震地质,2008,30(3):597-629 Xu Xiwei,Wen Xueze,Ye Jianqing,et al.The Ms8.0 Wenchuan Earthquake surface ruptures and its seismogenic structure[J].Seismology and Geology,2008,30(3):597-629
[17]刘传正.四川汶川地震灾害与地质环境安全[J].地质通报,2008,27(11):1907-1912 Liu Chuanzheng.Disasters induced by the Wenchuan earthquakes,Sichuan,China,and gee-environmental safety[J]. Geological Bulletin of China,2008,27(11 ):1907-1912
[18]王秀英,聂高众,王登伟.利用强震记录研究汶川地震诱发滑坡[J].岩石力学与工程学报,2009,28(11): 2369-2376 Wang Xiuying,Nie Gaozhong,Wang Dengwei.Analysis of Landslides induced by Wenchuan Earthquake by Ground motion records[J].Chinese Journal of Rock Mechanics and Engineering,2009,28(11 ):2369-2376
[19]刘仁志,倪晋仁.中国滑坡崩塌危险性区划[J].应用基础与工程科学学报,2005,13(1):9-18 Liu Renzhi,Ni Jinren.Landslide and rock fall hazard zonation in China[J].Journal of Basic Science and Engineering, 2005,13(1 ):9-18
[20]王秀英,聂高众,王登伟.汶川地震诱发滑坡与地震动峰值加速对应关系研究[J].岩石力学与工程学报,2010, 29(1):82-89 Wang Xiuying,Nie Gaozhong,Wang Dengwie.Research on relationship beatween landslides and peak round acceleration induced by wenchuan earthquake[J].Chinese Tournal of Rock Mechanics and Engineering,2010,29(1 ):82 -89
[21]王秀英,聂高众.汶川Ms8.0级地震诱发崩滑特点及其与地震动参数对应关系初析[J].岩土工程学报,2009, 3l(9):1378-1383 Wang Xiuying,Nie Gaozhong.Characteristics of landslides induced by the Ms8.0 Wenchuan Earthquake and the preliminary analysis of their relations with ground motion parameters[J].Chinese Journal of Geotechnical Engineering, 2009,31(9):1378-1383
[22]中国地震局.汶川8.0级地震烈度分布图.http://www.cea.gov.cn/manage/ html/ 8a8587881632fa5c0116674a018300cf/_content/08_08/29/1219980517676.html China Earthquake Administration.Isoseismal map of Wenchuan Ms8.0 Earthquake.http://www.cea.gov.cn/manage/ html/8 a8587881632fa5 c0116674a018300cf/_content/08_08/29/1219980517676.html
[23]Keefer D K.Landslides caused by earthquake[J].Geological Society of America Bulletin,1984,95(4):406-421
[24]Zhou Bengang,Zhang Yuming.Some Characteristics of earthquake-induced landslide in Southwestem China[J]. Northwestern Seismological Journal,1994,16(1 ):95-103
[25]Newmark N M.Effects of earthquake on Dams and Embankments[J].Geotechnique,1965,15(2):139-160
[1]Wilson R C,Keefer D K.Dynamic analysis of a slope failure from the 1979 Coyote Lake,California,earthquake[J]. Bulletin of the Seismological Society of America,1983,73(3):863-877
[2]Wilson R C,Keefer D K.Predicting areal limits of earthquake-induced landsliding[C]//Ziony J I.Evaluating earthquake hazards in the los angeles region-an Earth-science perspective.U S Geological Survey Professional Paper, 1985:317-345
[3]Jibson R W.Predicting earthquake-induced landslide displacements using Newmark' s sliding block analysis[R]. Transportation Research Record,No.1411,1993:9-17
[4]Harp E L,Wilson R C.Shaking intensity thresholds for rock falls and slides:evidence from 1987 Whittier Narrows and Superstition Hill Earthquake strong-motion records[J].Bulletin of the Seismological Society of America,1995,85(6): 1739-1757
[5]黄润秋,李为乐.“5·12'”汶川大地震触发地质灾害的发育分布规律研究[J].岩石力学与工程学报,2008,27 (12):2585-2592 Huang Runqiu,Li Weile.Research on development and distribution rules of geohazards induced by Wenchuan Earthquake on 12th may,2008[J].Chinese Journal of Rock Mechanics and Engineering,2008,27(12):2585-2592
[6]殷跃平.汶川八级地震地质灾害研究[J].工程地质学报,2008,16(4):433444 Yin Yueping.Research on the geo-hasards triggered hy Wenchuan Earthquake,Sichuan[J].Journal of Engineering Geology,2008,16(4):432-444
[7]崔鹏,韦方强,陈晓清,等.汶川地震次生山地灾害及其减灾对策[J].科技赈灾,2008,23(4):433-444 Cui Peng,Wei Fangqiang,Chen Xiaoqing,et al.Geo-hazards in Wenchuan Earthquake area and countermeasures for disaster reduction[J].Science and Technology for Hazard Relief,2008,23(4):317 -323
[8]于海英,王栋,杨永强,等.汶川8.0级地震强震动特征初步分析[J].震灾防御技术,2008,3(4):321-336 Yu Haiying,Wang Dong,Yang Yongqiang,et al.The Preliminary analysis of strong ground motion characteristics from the Ms8.0 Wenchuan Earthquake,China[J].Technology for Earthquake Disaster Prevention,2008,3(4):321-336
[9]Li Xiaojun,Zhou Zhenghua,Yu Haiying,et al.Strong motion observations and recordings from the great Wenchuan Earthquake[J].Earthquake Engineering and Engineering Vibration,2008,7(3):235-246
[10]周朝晖.2008年四川汶川8.0级地震强震动台网观测记录[J].四川地震,2008,4:25-29 Zhou Chaohui.The Strong ground motion recordings of the Ms8.0 Wenchuan Earthquake in Sichuan Province[J]. Earthquake Research in Sichuan,2008,4:25-29
[11]胡聿贤.地震工程学(第二版)[M].北京:地震出版社,2006 Hu Yuxian.Earthquake engincrring(The Second Edition)[M].Beijing:Seismological Press,2006
[12]Arias A.A measure of earthquake intensity[C]//Hansen R J.Seismic design for nuclear power plants.Massachusetts Institute of Technology(MIT) Press,Cambridge,Massachusetts,1970:438-483
[13]Roberto Romeo.Seismically induced landslide displacements:a predicitive model[J].Engineering Geology,2000,58 (3-4):337-351
[14]Carro M,Amicis M D,Luzi L,et al.The application of predictive modeling techniques to landslides induced by earthquakes:the case study of the 26 September 1997 Umbria-Marche earthquake(Italy)[J].Engineering Geology, 2003,69(1-2):139-159
[15]许冲,戴福初,姚鑫.汶川地震诱发滑坡灾害的数量与面积[J].科技导报,2009,11:79-81 Xu Chong,Dai Fuchu,Yao Xin.Incidence number and affected area of Wenchuan Earthquake-induced landslides[J]. Science & Technology Review,2009,11:79-81
[16]徐锡伟,闻学泽,叶建青,等.汶川Ms8.0地震地表破裂带及其发震构造[J].地震地质,2008,30(3):597-629 Xu Xiwei,Wen Xueze,Ye Jianqing,et al.The Ms8.0 Wenchuan Earthquake surface ruptures and its seismogenic structure[J].Seismology and Geology,2008,30(3):597-629
[17]刘传正.四川汶川地震灾害与地质环境安全[J].地质通报,2008,27(11):1907-1912 Liu Chuanzheng.Disasters induced by the Wenchuan earthquakes,Sichuan,China,and gee-environmental safety[J]. Geological Bulletin of China,2008,27(11 ):1907-1912
[18]王秀英,聂高众,王登伟.利用强震记录研究汶川地震诱发滑坡[J].岩石力学与工程学报,2009,28(11): 2369-2376 Wang Xiuying,Nie Gaozhong,Wang Dengwei.Analysis of Landslides induced by Wenchuan Earthquake by Ground motion records[J].Chinese Journal of Rock Mechanics and Engineering,2009,28(11 ):2369-2376
[19]刘仁志,倪晋仁.中国滑坡崩塌危险性区划[J].应用基础与工程科学学报,2005,13(1):9-18 Liu Renzhi,Ni Jinren.Landslide and rock fall hazard zonation in China[J].Journal of Basic Science and Engineering, 2005,13(1 ):9-18
[20]王秀英,聂高众,王登伟.汶川地震诱发滑坡与地震动峰值加速对应关系研究[J].岩石力学与工程学报,2010, 29(1):82-89 Wang Xiuying,Nie Gaozhong,Wang Dengwie.Research on relationship beatween landslides and peak round acceleration induced by wenchuan earthquake[J].Chinese Tournal of Rock Mechanics and Engineering,2010,29(1 ):82 -89
[21]王秀英,聂高众.汶川Ms8.0级地震诱发崩滑特点及其与地震动参数对应关系初析[J].岩土工程学报,2009, 3l(9):1378-1383 Wang Xiuying,Nie Gaozhong.Characteristics of landslides induced by the Ms8.0 Wenchuan Earthquake and the preliminary analysis of their relations with ground motion parameters[J].Chinese Journal of Geotechnical Engineering, 2009,31(9):1378-1383
[22]中国地震局.汶川8.0级地震烈度分布图.http://www.cea.gov.cn/manage/ html/ 8a8587881632fa5c0116674a018300cf/_content/08_08/29/1219980517676.html China Earthquake Administration.Isoseismal map of Wenchuan Ms8.0 Earthquake.http://www.cea.gov.cn/manage/ html/8 a8587881632fa5 c0116674a018300cf/_content/08_08/29/1219980517676.html
[23]Keefer D K.Landslides caused by earthquake[J].Geological Society of America Bulletin,1984,95(4):406-421
[24]Zhou Bengang,Zhang Yuming.Some Characteristics of earthquake-induced landslide in Southwestem China[J]. Northwestern Seismological Journal,1994,16(1 ):95-103
[25]Newmark N M.Effects of earthquake on Dams and Embankments[J].Geotechnique,1965,15(2):139-160
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