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1994”N
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E.313-E.318•Å
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PROCEEDINGS OF THE JAPAN EARTHQUAKE ENGINEERING SYMPOSIUM
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Jingzhe ZHENG, Tetsuo TAKEDA, Shinichi YAMANOBE
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EFFECTS OF SOIL-FOUNDATION INTERACTION ON THE SEISMIC BEHAVIOR OF PC CABLE-STAYED BRIDGE
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This paper attempts to assess the effects of dynamic soil-structure interaction (SSI) on the seismic behavior of a PC cable-stayed bridge placed on a deep soil stratum overlying a rigid bedrock. Intensive parametric analysis is performed to investigate the significance of SSI using finite element method. The applicability of mass-spring model in the assessment of SSI is also discussed. The results of analysis reveal the influence of SSI on the seismic responses of bridge-soil system under various stiffness, foundation depth and mass conditions. Mass-spring model proves to be promising for representing the behavior of bridge-soil system including the effects of SSI.
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