This paper attempts to assess the role of soil-structure interaction (SSI) and higher modes in base-isolated structures founded on a soil layer overlying a half space. Closed form solutions for a system that includes a superstructure, seismic isolator and soil stratum overlying a half space have been obtained. The derived formulations considering the effects of SSI and higher modes in terms of well-known frequency and impedance ratios can explicitly interpret the dynamic behavior of a base isolated structure founded on soil stratum overlying a half space. Furthermore, the SSI effects on dynamic responses of isolated structures founded on soil stratum overlying a half space were extensively investigated. The conclusions drawn by this study provide considerable information for comprehending the SSI and higher mode effects on the dynamic responses of isolated-structures especially for those founded on soil stratum overlying a half space.
Role of Soil-Structure Interaction in Base-Isolated Structures Founded on Soil Stratum Overlying Half Space
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Tsai, CS, & Su, HC. "Role of Soil-Structure Interaction in Base-Isolated Structures Founded on Soil Stratum Overlying Half Space." Proceedings of the ASME 2013 Pressure Vessels and Piping Conference. Volume 8: Seismic Engineering. Paris, France. July 14–18, 2013. V008T08A010. ASME. https://doi.org/10.1115/PVP2013-97776
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