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《Journal of Earthquake Engineering and Engineering Vibration》 2007-03
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Surface motion of an alluvial valley in layered half-space for incident plane SH waves

LIANG Jianwen,Ba Zhenning(Tianjin University,Tianjin 300072,China)  
Wolf's theory is extended to solve the problem of wave scattering by an alluvial valley.The indirect boundary element method(IBEM) is used to calculate the amplification of incident plane SH waves by an alluvial valley in layered half-space.The free-field response is carried out to give the displacements and the stresses on the line which forms the boundary of the valley.The fictitious uniform loads are applied on the same line to calculate the Green's functions for the displacements and the stresses.The amplitudes of the loads are determined by the boundary conditions of continuity of the displacements and the stresses.The displacements due to the free field and from the fictitious uniform loads have to be added to obtain the whole motion.Taking the amplification of incident plane SH waves by an alluvial valley in one layer over half-space as an example,the numerical results and analyses are performed.The results show that there exist distinct differences between the wave amplification by an alluvial valley in layered half-space and that in homogeneous half-space.The reasons for the difference are explained,and the effects of the thickness and the stiffness of the layer on the amplification are discussed.
【Fund】: 教育部新世纪优秀人才支持计划项目(NCET-05-0248);; 天津市应用基础研究重点项目(07JCZDJC10100)
【CateGory Index】: P315.31
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【References】
Chinese Journal Full-text Database 4 Hits
1 LIANG Jianwen,BA Zhenning(Tianjin University,Tianjin 300072,China);Surface motion of a hill in layered half-space subjected to incident plane SH waves[J];Journal of Earthquake Engineering and Engineering Vibration;2008-01
2 Liang Jianwen Feng Lingxiang Ba Zhenning(Department of Civil Engineering,Tianjin University,Tianjin 300072,China);Amplification of plane SH waves by a local fault with fracture zone[J];Acta Seismologica Sinica;2010-03
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4 LIANG Jian-wen,FENG Ling-xiang,BA Zhen-ning(Department of Civil Engineering,Tianjin University,Tianjin 300072,China);Diffraction of plane P waves around a local fault[J];Rock and Soil Mechanics;2011-01
【Co-references】
Chinese Journal Full-text Database 10 Hits
1 SHI Shou xia 1, LIU Dian kui 2, YANG Qing shan 3(1.Beijing Institute of Remote Sensing Equipment,China Changfeng Science Technology Industry Co.Beijing 100083,China; 2.Dep.of Building Engineering,Harbin University of Engineering,Harbin,Heilongji;Dynamic Stress Concentration and Scattering of SH-wave by Lining with Crack and Its Interaction[J];EXPLOSION AND SHOCK WAVES;2000-03
2 LIU Dian kui, LIN Hong (Civil Engineering College, Harbin Engineering University, Harbin 150001, Heilongjiang, China);Scattering of SH-waves by a shallow buried cy lindrical cavity and the ground motion[J];Explosion and Shock Waves;2003-01
3 SHI Wen-pu~ 1 , LIU Dian-kui~ 2 , CHU Jing-lian~ 3 , GONG Hua-rong~ 4 , GUO Shu-hong~ 4 (1.School of Electromechnical Automobile Engineering, Yantai University,Yantai 264005, Shandong, China;2.College of Civil Engineering, Harbin Engineering University,Harbin 150001, Heilongjiang, China;3.School of Information Technology ang Photo-electrical, Yantai University,Yantai 264005, Shandong, China;4.Yantai Engineering and Technology College, Yantai 264002, Shandong, China);Scattering of fixed circular inclusion in right-angled plane to steady incident planar shearing horizontal wave[J];Explosion and Shock Waves;2007-01
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【Secondary References】
Chinese Journal Full-text Database 1 Hits
1 LIANG Jian-wen,FENG Ling-xiang,BA Zhen-ning(Department of Civil Engineering,Tianjin University,Tianjin 300072,China);Diffraction of plane P waves around a local fault[J];Rock and Soil Mechanics;2011-01
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