【摘 要】
：
In order to analyze the seismic response characteristics of pile-supported structure, a computational model considering pile-soil-structure interaction effect w
【机 构】
：
School of Civil and Architectural Engineering, Shandong Provincial Key Laboratory of Civil Engineeri
【基金项目】
：
the Natural Science Foundation of Shandong Province, China;the Specialized Development Foundation for Taishan Scholars of Shandong Province, China;the Specialized Foundation for Domestic Visiting Scho
论文部分内容阅读
In order to analyze the seismic response characteristics of pile-supported structure, a computational model considering pile-soil-structure interaction effect was established by finite element method. Then, numerical implementation was made in time domain. At the same time, a simplified approximation for seismic response analysis of pile-soil-structure system was briefly presented. Furthermore, comparative study was performed for an engineering example. Through comparative analysis, it is shown that the results obtained by the simplified method well agree with those achieved by the finite element method. These results show that spectrum characteristics and intensity of input earthquakes are two important factors that can notablely influence the seismic response characteristics of superstructure. When the input ground motion acceleration amplitude gradually increases from 1 to 4 m/s2, the acceleration of pier top will increase, but it will not be simply proportional to the increase of input acceleration amplitude.
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