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Modeling level selection for seismic analysis of concrete-filled steel tube/moment-resisting frames by using fragility curves
The seismic behavior of plane moment-resisting frames (MRFs) consisting of I steel beams and concrete-filled steel tube (CFT) columns is investigated in this study. More specifically, the effect of modeling details of each individual component of CFT-MRFs, such as the composite CFT columns, the beam-column connections, the panel zones, and the steel I beams on their seismic behavior, is studied through comparisons against available experimental results. Then, fragility curves are constructed for three typical CFT-MRFs, designed according to European codes, for various levels of modeling sophistication through nonlinear time-history analyses. On the basis of these fragility curves, one can select the appropriate modeling level of sophistication that can lead to the desired seismic behavior for a given seismic intensity.
Modeling level selection for seismic analysis of concrete-filled steel tube/moment-resisting frames by using fragility curves
The seismic behavior of plane moment-resisting frames (MRFs) consisting of I steel beams and concrete-filled steel tube (CFT) columns is investigated in this study. More specifically, the effect of modeling details of each individual component of CFT-MRFs, such as the composite CFT columns, the beam-column connections, the panel zones, and the steel I beams on their seismic behavior, is studied through comparisons against available experimental results. Then, fragility curves are constructed for three typical CFT-MRFs, designed according to European codes, for various levels of modeling sophistication through nonlinear time-history analyses. On the basis of these fragility curves, one can select the appropriate modeling level of sophistication that can lead to the desired seismic behavior for a given seismic intensity.
Modeling level selection for seismic analysis of concrete-filled steel tube/moment-resisting frames by using fragility curves
Skalomenos, Konstantinos A. (author) / Hatzigeorgiou, George D. (author) / Beskos, Dimitri E. (author)
Earthquake Engineering & Structural Dynamics ; 44 ; 199-220
2015
22 Seiten
Article (Journal)
English
Stahlrohr , Komposit , Brüchigkeit , Stahlträger , Stahl , Modellierung , Erdbeben
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