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논문 기본 정보

자료유형
학술저널
저자정보
Li, Z.N. (College of Civil Engineering, Hunan University, College of the Architectural and Civil Engineering, Wenzhou University) Li, Q.S. (Department of Building and Construction, City University of Hong Kong) Lou, M.L. (State Key Laboratory for Disaster Reduction in Civil Engineering, Research Institute of Structural Engineering and Disaster Reduction, Tongji University)
저널정보
테크노프레스 Structural engineering and mechanics : An international journal Structural engineering and mechanics : An international journal 제20권 제4호
발행연도
2005.1
수록면
421 - 434 (14page)

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In this paper, the finite element method is applied to investigate the effect of the lateral boundary in homogenous soil on the seismic response of a superstructure. Some influencing factors are presented and discussed, and several parameters are identified to be important for conducting soil-structure interaction experiments on shaking tables. Numerical results show that the cross-section width L, thickness H, wave propagation velocity and lateral boundaries of soil layer have certain influences on the computational accuracy. The dimensionless parameter L/H is the most significant one among the influencing factors. In other words, a greater depth of soil layer near the foundation should be considered in shaking table tests as the thickness of the soil layer increases, which can be regarded as a linear relationship approximately. It is also found that the wave propagation velocity in soil layer affects the numerical accuracy and it is suggested to consider a greater depth of the soil layer as the wave propagation velocity increases. A numerical study on a soil-structure experimental model with a rubber ring surrounding the soil on a shaking table is also conducted. It is found the rubber ring has great effect on the soil-structure interaction experiments on shaking table. The experimental precision can be improved by reasonably choosing the elastic parameter and width of the rubber ring.

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