城市震害快速评估方法及系统建立
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摘要
结合上海地区的震害特点及地震动监测能力,探讨建立城市震害快速评估系统的内容以及实现方法。以地震动加速度值、加速度值的持时、软土地震动反应、地震动卓越周期与构作物周期联系等作为参数,进行地震加速度与烈度等值线图速绘,能快速有效地估算地区的震害影响分布情况,有助于及时实施应急处置与抗震救灾。
Based on seismic-related damage characteristics and the capacity for seismic monitoring in the Shanghai area,this paper seeks to establish a rapid assessment system for urban seismicity and a method for its implementation.Using ground acceleration,ground velocity,soft-land vibration reaction,and the predominant period of structures as the basic parameters,the system is able to quickly produce contour maps of seismic acceleration and seismic intensity,and to quickly and effectively estimate the regional distribution of seismic-related damage.Thus,the system could help the government to promptly conduct emergency measures and earthquake relief after a damaging seismic event.
Based on seismic-related damage characteristics and the capacity for seismic monitoring in the Shanghai area,this paper seeks to establish a rapid assessment system for urban seismicity and a method for its implementation.Using ground acceleration,ground velocity,soft-land vibration reaction,and the predominant period of structures as the basic parameters,the system is able to quickly produce contour maps of seismic acceleration and seismic intensity,and to quickly and effectively estimate the regional distribution of seismic-related damage.Thus,the system could help the government to promptly conduct emergency measures and earthquake relief after a damaging seismic event.
引文
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[9]刘昌森,吕美丽.上海地区地震放大效应的初步探讨[J].上海地质,1998,19(1):7-13.Liu C S,Lu M L.Preliminary analysis of the seismic amplificationeffect in Shanghai[J].Shanghai Geology,1998,19(1):7-13.
[10]蒋建平,闫泽丰.地层结构对地表地震响应的影响研究[J].上海国土资源,2013,34(1):23-26,64.Jiang J P,Yan Z F.Influence of stratigraphy on surface seismicresponse[J].Shanghai Land&Resources,2013,34(1):23-26,64.
[11]陈之毅,沈昊.软土地下工程抗震数值模拟的若干关键问题[J].上海国土资源,2011,32(4):83-87.Chen Z Y,Shen H.Key issues for seismic analysis of underground structures in soft soils[J].Shanghai Land&Resources,2011,32(4):83-87.
[12]徐永林,熊里军,章纯,等.用强震仪记录资料研究上海地表土层的地震动放大效应[J].地震学报,2002,24(6):662-666.Xu Y L,Xiong L J,Zhang C,et al.A study on amplification response of soil ground motion in Shanghai using strong-motion accelerogaph records[J].Acta Seismologica Sinica,2002,24(6):662-666.
[13]唐尧,杨武年.基于GIS的震后汶川潜在泥石流危险性评价[J].上海国土资源,2012,33(3):58-60.Tang Y,Yang W N.GIS-based hazard assessment for potential debris flows in Wenchuan county after M8.0earthquake[J].Shanghai Land&Resources,2012,33(3):58-60.
[14]孙丽深.灾区城镇重建规划的关注点[J].上海城市规划,2009,(1):50-53.Sun L S.Attention spots about the townlet planning of disaster area[J].Shanghai Urban Planning Review,2009,(1):50-53.
[2]Wald D J,Quitoriano V,Heaton T H,et al.TriNet“ShakeMaps”:Rapid generation of instrumental ground motion and intensitymaps for earthquakes in southern California[J].EarthquakeSpectra,1999,15(3):537-555.
[3]何加勇,陈会忠,李卫东.地震烈度分布快速产出发展概况[J].国际地震动态,2004,(3):6-9.He J Y,Chen H Z,Li W D.Development of rapid generation ofintensity map[J].Recent Developments in World Seismology,2004,(3):6-9.
[4]泽仁志玛,陈会忠,何加勇,等.振动图快速生成系统研究[J].地球物理学进展,2006,21(3):809-813.Ze R Z M,Chen H Z,He J Y,et al.Research on rapid generationsystem of shake map[J].Progress in Geophysics,2006,21(3):809-813.
[5]Park S,Elrick S.Predictions of shear-wave velocities in southernCalifornia using surface geology[J].Bulletin of the SeismologicalSociety of America,1998,88(3):677-685.
[6]钟德理,冯启民.基于地震动参数的建筑物震害研究[J].地震工程与工程振动,2004,24(5):46-51.Zhong D L,Feng Q M.Investigation on building destructionbased on seismic coefficient[J].Earthquake Engineering andEngeneering Vibration,2004,24(5):46-51.
[7]吕炳全,方大卫.上海地块的地质属性及其地震活动特征[J].上海地质,1991,12(1):8-15,24.Lu B Q,Fang D W.The characteristics of geology and earthquakein the Shanghai terrain[J].Shanghai Geology,1991,12(1):8-15,24.
[8]刘昌森.本世纪上海地区地震概述及地震活动与断裂的关系[J].上海地质,1997,18(2):7-15.Liu C S.Outline about 20th century is earthquakes relation betweenin Shanghai and the seismic activity and fault[J].ShanghaiGeology,1997,18(2):7-15.
[9]刘昌森,吕美丽.上海地区地震放大效应的初步探讨[J].上海地质,1998,19(1):7-13.Liu C S,Lu M L.Preliminary analysis of the seismic amplificationeffect in Shanghai[J].Shanghai Geology,1998,19(1):7-13.
[10]蒋建平,闫泽丰.地层结构对地表地震响应的影响研究[J].上海国土资源,2013,34(1):23-26,64.Jiang J P,Yan Z F.Influence of stratigraphy on surface seismicresponse[J].Shanghai Land&Resources,2013,34(1):23-26,64.
[11]陈之毅,沈昊.软土地下工程抗震数值模拟的若干关键问题[J].上海国土资源,2011,32(4):83-87.Chen Z Y,Shen H.Key issues for seismic analysis of underground structures in soft soils[J].Shanghai Land&Resources,2011,32(4):83-87.
[12]徐永林,熊里军,章纯,等.用强震仪记录资料研究上海地表土层的地震动放大效应[J].地震学报,2002,24(6):662-666.Xu Y L,Xiong L J,Zhang C,et al.A study on amplification response of soil ground motion in Shanghai using strong-motion accelerogaph records[J].Acta Seismologica Sinica,2002,24(6):662-666.
[13]唐尧,杨武年.基于GIS的震后汶川潜在泥石流危险性评价[J].上海国土资源,2012,33(3):58-60.Tang Y,Yang W N.GIS-based hazard assessment for potential debris flows in Wenchuan county after M8.0earthquake[J].Shanghai Land&Resources,2012,33(3):58-60.
[14]孙丽深.灾区城镇重建规划的关注点[J].上海城市规划,2009,(1):50-53.Sun L S.Attention spots about the townlet planning of disaster area[J].Shanghai Urban Planning Review,2009,(1):50-53.
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