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- Title
Selection and spectral matching of recorded ground motions for seismic fragility analyses.
- Authors
Manfredi, Vincenzo; Masi, Angelo; Özcebe, Ali Güney; Paolucci, Roberto; Smerzini, Chiara
- Abstract
Ground motion selection is one of the most important phases in the derivation of fragility curves through non-linear dynamic analyses. In this context, an easy-to-use software, namely S&M—Select & Match, has been adopted for the selection and spectral matching of recorded ground motions approaching a target response spectrum in a broad period range. In this paper, after a brief description of the key features of the S&M tool, two sets of 125 accelerograms, separately for stiff (i.e. site classes A and B according to the Italian code) and soft soil (i.e. site classes C and D) conditions, have been selected on the basis of the elastic design spectra of the Italian seismic code defined for different return periods. The selected ground motions have been analysed and used for non-linear dynamic analysis of a case study representative of a common Italian RC building type designed only to gravity loads. Results have been analysed in order to check the capability of the considered signals to adequately cover all the damage levels generally adopted in seismic risk analyses, as well as the effects on seismic response due to the selection criteria permitted by the proposed tool.
- Subjects
GROUND motion; SEISMIC response; NONLINEAR analysis; ACCELEROGRAMS
- Publication
Bulletin of Earthquake Engineering, 2022, Vol 20, Issue 10, p4961
- ISSN
1570-761X
- Publication type
Article
- DOI
10.1007/s10518-022-01393-0