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Seismic collapse performance of special moment steel frames with torsional irregularities
HighlightsThe collapse performance of torsionally irregular structures were evaluated.Code-compliant torsionally irregular structures exhibited small probabilities of collapse.A procedure for computing the design story drifts was proposed.
AbstractMany building structures exhibit torsional irregularity, which is a type of horizontal irregularity. It is difficult to estimate the inelastic response of torsionally irregular structures subjected to earthquake ground motions using numerical analyses because torsionally irregular structures experience both lateral displacement and floor rotation. This study evaluates the collapse performance of multi-story model structures with various degrees of torsional irregularity via nonlinear response history analyses. This study also proposes a procedure for computing design story drift demands, which allows torsionally irregular structures to have uniform collapse risk irrespective of the degree of torsional irregularity.
Seismic collapse performance of special moment steel frames with torsional irregularities
HighlightsThe collapse performance of torsionally irregular structures were evaluated.Code-compliant torsionally irregular structures exhibited small probabilities of collapse.A procedure for computing the design story drifts was proposed.
AbstractMany building structures exhibit torsional irregularity, which is a type of horizontal irregularity. It is difficult to estimate the inelastic response of torsionally irregular structures subjected to earthquake ground motions using numerical analyses because torsionally irregular structures experience both lateral displacement and floor rotation. This study evaluates the collapse performance of multi-story model structures with various degrees of torsional irregularity via nonlinear response history analyses. This study also proposes a procedure for computing design story drift demands, which allows torsionally irregular structures to have uniform collapse risk irrespective of the degree of torsional irregularity.
Seismic collapse performance of special moment steel frames with torsional irregularities
Han, Sang Whan (author) / Kim, Tae-O (author) / Kim, Dong Hwi (author) / Baek, Seong-Jin (author)
Engineering Structures ; 141 ; 482-494
2017-03-20
13 pages
Article (Journal)
Electronic Resource
English
Collapse analysis of steel moment frames with various seismic connections
Online Contents | 2009
|Collapse analysis of steel moment frames with various seismic connections
Online Contents | 2009
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