A robust probabilistic evaluation of soil-foundation-structure interaction effects on structural response

As a result of this numerical study, the effects of SFSI on the linear structural response were investigated by using the median response and associated dispersion to build up a conceptual understanding of the SFSI effects and evaluate the prevailing engineering view implemented in the seismic design codes. Following this quantification, cases with detrimental effects were scrutinized in order to identify a relation between characteristics of the SFSI system and earthquake that causes increased structural response when SFSI effects are incorporated. Finally, the influence of structural nonlinearity in the SFSI problem was evaluated by comparing the median structural responses in linear and nonlinear structural systems.