This work illustrates some applications of nonlinear dynamic response sensitivity analysis to steel frame structures equipped with buckling-restrained braces (BRBs). A realistic 4-storey steel frame equipped with buckling-restrained V-bracings subjected to a set of seismic ground motions is used as benchmark problem. BRB internal core areas are assumed as sensitivity parameters and inter-storey drifts are chosen as engineering demand parameters. The worst possible combination of parameter variations is individuated and the reduction of the seismic performance as a function of the parameter variation amplitude is estimated for the benchmark problem.
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Titolo: | Response sensitivity analysis of steel frames with buckling-restrained braces | |
Autori: | ||
Data di pubblicazione: | 2010 | |
Abstract: | This work illustrates some applications of nonlinear dynamic response sensitivity analysis to steel frame structures equipped with buckling-restrained braces (BRBs). A realistic 4-storey steel frame equipped with buckling-restrained V-bracings subjected to a set of seismic ground motions is used as benchmark problem. BRB internal core areas are assumed as sensitivity parameters and inter-storey drifts are chosen as engineering demand parameters. The worst possible combination of parameter variations is individuated and the reduction of the seismic performance as a function of the parameter variation amplitude is estimated for the benchmark problem. | |
Handle: | http://hdl.handle.net/11581/242092 | |
ISBN: | 9786086518509 | |
Appare nelle tipologie: | Poster atto convegno su volume |