建筑群结构-土-结构相互作用的影响参数研究
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摘要
采用有限元方法,建立一系列土-结构系统的三维模型,研究了地震动激励方向及频谱成分、土层剪切波速及阻尼比、基础形式及埋深、上部结构楼层数等对结构-土-结构相互作用(SSSI)规律的影响.分析结果表明,在垂直于结构物排列方向的地震动激励下,SSSI效应几乎为零;SSSI效应的大小与地震波频谱成分密切相关;剪切波速小、阻尼小、基础埋深浅,则SSSI效应明显;两边结构与目标结构的楼层数相同时,SSSI效应最明显.
With finite element method,a series of three-dimensional models of structures and soil were built to study the influence of seismic motion directions,the spectrum composition,shear wave velocities and damping ratios of the subsoil,the foundation forms and depths,floor numbers on structure-soil-structure interaction(SSSI) effect.The calculation result shows that SSSI effect can be ignored when the seismic motion is perpendicular to buildings' orientation.SSSI effect is directly bound up with the spectrum composition of the seismic wave.SSSI effect is apparent if the shear wave velocity is slow,the damping ratio is small and the foundation depth is shallow,and especially the floor numbers of buildings are the same.
With finite element method,a series of three-dimensional models of structures and soil were built to study the influence of seismic motion directions,the spectrum composition,shear wave velocities and damping ratios of the subsoil,the foundation forms and depths,floor numbers on structure-soil-structure interaction(SSSI) effect.The calculation result shows that SSSI effect can be ignored when the seismic motion is perpendicular to buildings' orientation.SSSI effect is directly bound up with the spectrum composition of the seismic wave.SSSI effect is apparent if the shear wave velocity is slow,the damping ratio is small and the foundation depth is shallow,and especially the floor numbers of buildings are the same.
引文
[1]Whitman R V.The current status of soil dynamics[J].AppliedMechanics Reviews,1969,22:1.
[2]Richardson J D.Forced vibrations of rigid bodies on a semi-infinite elastic medium[D].Nottinghamshire:University ofNottinghamDepartment of Mechanical Engineering,1969.
[3]Warburton G B,Richardson J D,Webster J J.Forcedvibrations of two masses on an elastic half space[J].Journal ofApplied Mechanics-Transactions,ASME,1971,38(1):148.
[4]Warburton G B,Richardson J D,Webster J J.Harmonicresponses of masses on an elastic half space[J].Journal ofEngineering for Industry,ASME,1972,194:193.
[5]Nakagawa S,Kuno M,Naito Y,et al.Forced vibration testsand simulation analyses of a nuclear reactor reactor building[J].Nuclear Engineering and Design,1998,179(2):145.
[6]Kitada Y,Hirotani T,Iguchi M.Models test on dynamicstructure-structure interaction of nuclear power plant buildings[J].Nuclear Engineering and Design,1999,192(2/3):205.
[7]Xu J,Costantino C,Hofmayer C,et al.Seismic responseprediction of NUPEC’s field model tests of NPP structures withadjacent building effect[C]//2004 ASME/JSME PressureVessels and Piping Conference.San Diego:2004:1-11.
[8]Broc D.Soil structure interaction:theoretical andexperimental results[C]//2006 ASME Pressure Vessels andPiping Division Conference(PVP2006/ICPVT-11):PressureVessel Technologies for the Global Community.Vancouver[s.n.]:2006:1-6.
[9]Lou M,Wang H,Chen X,et al.Structure-soil-structureinteraction:Literature review[J].Soil Dynamics andEarthquake Engineering,2011,31(12):1724.
[10]夏江,陈清军.高性能计算在复杂场地土层地震反应分析中的应用[J].高性能计算技术,2007(1):60.XIA Jiang,CHEN Qingjun.High performanc computing incomplex topography seismic response analysis[J].HighPerformance Computing Technology,2007(1):60.
[11]白建方,楼梦麟.并行计算系统的构建及其在土木工程中的应用[C]//岩土工程数值方法与高性能计算学术研讨会.大连:[出版社不详],2007:30-33.BAI Jianfang,LOU Menglin.Construction and application tocivil engineering of parallel computing systems[C]//Seminaron Numerical Method in Geotechnical Engineering and HighPerformance Computing.Dalian:[s.n.],2007:30-33.
[12]楼梦麟,潘旦光.滞后阻尼在土层时域分析中的应用[J].同济大学学报:自然科学版,2004,32(3):281.LOU Menglin,PAN Danguang.Hysteretic damping applicationin time domain analysis of soil layer[J].Journal of TongjiUniversity:Natural Science,2004,32(3):281.
[13]楼梦麟,潘旦光,范立础.土层地震反应分析中侧向人工边界的影响[J].同济大学学报:自然科学版,2003,31(7):757.LOU Menglin,PAN Danguang,FAN Lichu.Effect of verticalartificial boundary on seismic response of soil layer[J].Journalof Tongji University:Natural Science,2003,31(7):757.
[2]Richardson J D.Forced vibrations of rigid bodies on a semi-infinite elastic medium[D].Nottinghamshire:University ofNottinghamDepartment of Mechanical Engineering,1969.
[3]Warburton G B,Richardson J D,Webster J J.Forcedvibrations of two masses on an elastic half space[J].Journal ofApplied Mechanics-Transactions,ASME,1971,38(1):148.
[4]Warburton G B,Richardson J D,Webster J J.Harmonicresponses of masses on an elastic half space[J].Journal ofEngineering for Industry,ASME,1972,194:193.
[5]Nakagawa S,Kuno M,Naito Y,et al.Forced vibration testsand simulation analyses of a nuclear reactor reactor building[J].Nuclear Engineering and Design,1998,179(2):145.
[6]Kitada Y,Hirotani T,Iguchi M.Models test on dynamicstructure-structure interaction of nuclear power plant buildings[J].Nuclear Engineering and Design,1999,192(2/3):205.
[7]Xu J,Costantino C,Hofmayer C,et al.Seismic responseprediction of NUPEC’s field model tests of NPP structures withadjacent building effect[C]//2004 ASME/JSME PressureVessels and Piping Conference.San Diego:2004:1-11.
[8]Broc D.Soil structure interaction:theoretical andexperimental results[C]//2006 ASME Pressure Vessels andPiping Division Conference(PVP2006/ICPVT-11):PressureVessel Technologies for the Global Community.Vancouver[s.n.]:2006:1-6.
[9]Lou M,Wang H,Chen X,et al.Structure-soil-structureinteraction:Literature review[J].Soil Dynamics andEarthquake Engineering,2011,31(12):1724.
[10]夏江,陈清军.高性能计算在复杂场地土层地震反应分析中的应用[J].高性能计算技术,2007(1):60.XIA Jiang,CHEN Qingjun.High performanc computing incomplex topography seismic response analysis[J].HighPerformance Computing Technology,2007(1):60.
[11]白建方,楼梦麟.并行计算系统的构建及其在土木工程中的应用[C]//岩土工程数值方法与高性能计算学术研讨会.大连:[出版社不详],2007:30-33.BAI Jianfang,LOU Menglin.Construction and application tocivil engineering of parallel computing systems[C]//Seminaron Numerical Method in Geotechnical Engineering and HighPerformance Computing.Dalian:[s.n.],2007:30-33.
[12]楼梦麟,潘旦光.滞后阻尼在土层时域分析中的应用[J].同济大学学报:自然科学版,2004,32(3):281.LOU Menglin,PAN Danguang.Hysteretic damping applicationin time domain analysis of soil layer[J].Journal of TongjiUniversity:Natural Science,2004,32(3):281.
[13]楼梦麟,潘旦光,范立础.土层地震反应分析中侧向人工边界的影响[J].同济大学学报:自然科学版,2003,31(7):757.LOU Menglin,PAN Danguang,FAN Lichu.Effect of verticalartificial boundary on seismic response of soil layer[J].Journalof Tongji University:Natural Science,2003,31(7):757.
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