Performance-based seismic analysis of light SDoF secondary substructures Kasinos, Stavros; Palmeri, Alessandro; Lombardo, Mariateresa
A novel procedure is presented for the application of the PBE (performance-based engineering) methodology to the seismic analysis and design of light secondary substructures. In the proposed technique, uncertainty is conveniently represented in the reduced modal subspace rather than geometric domain, which significantly reduces the number of uncertain parameters. The random response of a primary structure under earthquake excitation is investigated, various cases of linear and nonlinear secondary subsystems are examined and the propagation of uncertainty from the dynamic properties of the primary structure to the seismic performance of the secondary subsystems is quantified.
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