Displacement-Based Seismic Assessment of Steel Moment Resisting Frame Structures

Abstract eng:
The primary focus of this study is on the development of a detailed assessment of the inelastic seismic behavior, response, and performance of typical ductile SMRF structures. At this aim, a multi-objective and multi-criteria performance evaluation of steel moment-frame buildings was realized with a combination of the performance criteria both for structural members and for non-structural components at the different limit state. Analytical models of various complexities are evaluated using nonlinear static pushover analysis and incremental dynamic analysis, to evaluate the potential for collapse in flexible SMRF structures due to the P-delta effect. In particular, as an alternative to incremental response history analysis, an incremental non-iterative nonlinear static procedure based on adaptive capacity spectra method was used for the displacement-based seismic assessment.

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