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Seismic Response Analysis of Site Soil

Author: PiJingLing
Tutor: ZhangSenWen
School: Jinan University
Course: Structural Engineering
Keywords: soil layers seismic response analysis computation programs dynamic shear modulus soil nonlinearity
CLC: TU435
Type: Master's thesis
Year: 2008
Downloads: 134
Quote: 1
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Abstract


There is a very important effect to the motion of surface ground by the construction site when a earthquake occurred, and these seismic responses of the surface ground will affect the construction vibration seriously. Since 1970’s, some earthquake engineers and geotechnists at home and abroad have been carrying on the studies in this field and have obtained a series of valuable results in the research methods and techniques to the seismic response analysis of soil layers. The main contents in this paper are as follows:1. The studies about seismic response analysis of soil layers at home and abroad were summarized. The dynamic constitutive models and the seismic response analysis methods of soil layers were classified and summarized.2. The geology of Guangzhou Zhoutouzui Immersed Tunnel project was described.3. In order to analyze the seismic response of the project site, programs OASYS SIREN and SHAKE91, which deal with the dynamic nonlinear effects of soils in different way, were employed in this paper. Bedrock acceleration histories of the man-made seismic waves and EI centro seismic waves were inputted, and ground response spectrum and ground time-history acceleration were worked out.4. The results were analyzed. The response spectrums of ground accelerations and the relative displacements were given to provide anti-seismic designing parameters for the Immersed Tunnel of Guangzhou Zhoutouzui. The computation results show that the two methods(OASYS SIREN, SHAKE91 ) of programs are reasonable.

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CLC: > Industrial Technology > Building Science > Soil mechanics,foundation engineering > Soil Mechanics > Soil Dynamics and Vibration foundation
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