Seismic Response Analysis of Steel Moment Resisting Frame Buildings on Shallow Flexible Foundations

Recent studies show that the effects of soil–structure interaction (SSI) may be detrimental to theseismic response of structure and neglecting SSI in analysis may lead to un-conservative design. Theobjective of this study is to simulate the performance of typical steel moment resisting frames (MRFs)on three soil types through a Winkler-based approach. OpenSees platform has been adopted to performnonlinear time history analysis using the actual ground motion records of varied hazard levels. Thenumerical results indicate that the SSI can alter the force and drift demands, which is significantlyimportant to the performance-based design of structures.

کلیدواژه ها:

Soil-structure interaction ، Nonlinear seismic response ، MRF building ، Shallow foundation