Abstract
Soil liquefaction has been observed worldwide during historical earthquakes. Liquefaction-related phenomena induce damages, functional disruptions and considerable replacement expenses for structures. This paper aims to model the effects of liquefaction on several structural configurations founded on shallow foundations by performing 3 dimensional (3D) numerical simulations. The soil is modelled with non-linear hysteretic materials and advanced plasticity models that can reproduce the observed strong dilation tendency and increase in cyclic shear stiffness and strength. The paper applies OpenSeesPL to investigate the complex non-linear analyses of soil-structure interaction (SSI) with liquefaction. 3D structural performance (in term of drifts and floor displacements) of benchmark buildings founded on shallow foundations were performed and herein discussed.
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