A Novel Framework to Assess Soil Structure Interaction (SSI) Effects with Equivalent Fixed-Based Models
Source abstract
Abstract
Soil structure interaction (SSI) effects have been extensively studied with advanced numerical simulations even if these approaches are time consuming and require much effort to perform. In particular, when SSI models are compared with fixed based ones, two main effects need to be considered: period elongation and damping increase. The paper proposes numerical models to build fixed based models calibrated on these two parameters and perform complex SSI analyses. A new framework that may be used to assess SSI with equivalent fixed-based models is herein presented and validated with non-linear dynamic numerical simulations. Opensees was performed to reproduce non-linear numerical simulations by considering hysteretic materials and advanced soil models.
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Research context
OpenAlex topics: Seismic Performance and Analysis · Vibration and Dynamic Analysis · Geotechnical Engineering and Soil Mechanics
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Affiliations
Department of Civil Engineering, University of Auckland, 20 Symonds St., Auckland 1010, New Zealand
References (31)
Show source-provided references
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