Global collapse of frame structures under seismic excitations

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Global collapse of frame structures under seismic excitations

 

Lf Ibarra, H Krawinkler

 

Submitted to the Department of Civil and Environmental Engineering. Copyright by the author. Thesis (Ph. D.)--Stanford University, 2004.

 

Global collapse in earthquake engineering refers to the inability of a structural system to sustain gravity loads when subjected to seismic excitation. This research proposes a methodology for evaluating global incremental (side-sway) collapse based on a relative intensity measure instead of an engineering demand parameter. The report presents applications of the proposed collapse methodology to the development of collapse fragility curves and the evaluation of the mean annual frequency of collapse.

 

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