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《Journal of Vibration Engineering》 2012-04
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Dynamic impedance of foundations on viscoelastic stratum and saturated elastic half-space

CHEN Shao-lin1,2,ZHEN Cheng2(1.Key Laboratory of C&PC Structures,Ministry of Education,Southeast University,Nanjing,210096,China)(2.Department of Civil Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China)  
In general,the soil stratum consists of two-phase saturated poroelastic zones and single-phase viscoelastic zones duo to ground water.In most cases of dynamic impedance analysis,the soil has been assumed to be a viscoelastic or saturated medium.Little attention has been paid to the analysis of foundation on stratum consisting viscoelastic and saturated soil.Based on the fact that single-phase soil is a special case of two-phase saturated soil,the dynamic analysis of single-phase soil can be unified into the analysis of saturated soil by setting the bulk modulus of pore fluid,porosity and the coupling mass density to be zero.Thus,the dynamic impedance of foundations on viscoelastic and saturated stratum can be analyzed by a method for saturated medium case.The technique is applied to the computation of the dynamic impedance of rectangular foundations on viscoelastic and saturated stratum.The effect of dry soil thickness and the embedded depth of foundation on the dynamic impedance are examined.
【Fund】: 国家自然科学基金资助项目(50978135 51178222);; 江苏省自然基金资助项目(BK2008396);; 东南大学混凝土及预应力混凝土结构教育部重点实验室开放课题
【CateGory Index】: TU311.3
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Chinese Journal Full-text Database 2 Hits
1 CHEN Shao-Lin~(1), LIAO Zhen-Peng~(2), CHEN Jin~(3)1 College of Aerospace Engineering,Nanjing University of Aeronautics and Astronautics, Nanjing 210016,China2 Institute of Engineering Mechanics, China Earthquake Administration, Harbin 150080, China3 State Key Laboratory of Vibration, Shock & Noise, Shanghai Jiaotong University, Shanghai 200240, China;A decoupling FEM for simulating near-field wave motions in two-phase media[J];Chinese Journal of Geophysics;2005-04
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1 LI Jing-ye~(1,2),CHEN Xiao-hong~3(1.Key Laboratory for Hydrocarbon Accumulation Mechanism,Ministry of Education,China University of Petroleum,Beijing 102249,China;2.Basin & Reservoir Research Center in China Petoleum University,Beijing 102249,China;3.Key Lab of Geophysical Exploration under CNPC,China University of Petroleum, Beijing 102249,China);Study on seismic wave field numerical simulation in transverse isotropic medium[J];Progress in Geophysics;2006-03
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7 HE Xiang-li1,LI Tong-chun2 (1.College of Water Conservancy & Civil Engineering,China Agriculture University,Beijing 100083,China;2.College of Water Conservancy and Hydropower Engineering,Hohai University,Nanjing,Jiangsu 210098,China);DYNAMIC ANALYSIS FOR INFINITE SATURATED FOUNDATION BASED ON GRADUAL ENLARGEMENT MESH METHOD[J];Engineering Mechanics;2010-04
8 Chen Shaolin~(*,+,2)) Zhen Cheng~+ *(Key Laboratory of C & PC Structures,Ministry of Education,Nanjing 210096,China ) +(Department of Civil Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China);DYNAMIC IMPEDANCE OF FOUNDATION ON SATURATED POROELASTIC SOIL[J];Chinese Journal of Theoretical and Applied Mechanics;2012-02
9 ZHANG Hong-yang1,YANG Wen-hai1,TAO Zong-tao2,YAO Liang3(1.North China Institute of Water Conservancy and Hydroelectric Power,Zhengzhou 450011,China; 2.Guilin University of Technology,Guilin 541004,China; 3.Construction and Administration Bureau of South-to-North Water Diversion Middle Route Project,Beijing 100038,China);Review on Numerical Analysis of Dynamic Stability of Soil Slope[J];South-to-North Water Diversion and Water Science & Technology;2012-06
10 CHEN Yonghui1,2,WANG Xinquan3,ZHOU Xingde4(1.Research Institute of Geotechnical Engineering,Hohai University,Nanjing,Jiangsu 210098,China;2.National Engineering Research Center of Water Resources Efficient Utilization and Engineering Safety,Hohai University,Nanjing,Jiangsu 210098,China;3.Department of Civil Engineering,Zhejiang University City College,Hangzhou,Zhejiang 310015,China;4.Department of Engineering Mechanics,Hohai University,Nanjing,Jiangsu 210098,China);TIME DOMAIN DAMPING-EXTRACTION METHOD FOR INTERACTION OF UNBOUNDED MEDIA WITH FRACTIONAL-ORDER[J];Chinese Journal of Rock Mechanics and Engineering;2009-S2
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