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Seismic collapse performance of special moment steel frames with torsional irregularities

Title
Seismic collapse performance of special moment steel frames with torsional irregularities
Author
한상환
Keywords
Torsional irregularity; Inelastic response; Ground motion; Collapse performance; Story drift; Nonlinear response history analysis
Issue Date
2017-06
Publisher
ELSEVIER SCI LTD
Citation
ENGINEERING STRUCTURES, v. 141, page. 482-494
Abstract
Many 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. (C) 2017 Elsevier Ltd. All rights reserved.
URI
https://www.sciencedirect.com/science/article/pii/S0141029617309525?via%3Dihubhttps://repository.hanyang.ac.kr/handle/20.500.11754/114561
ISSN
0141-0296; 1873-7323
DOI
10.1016/j.engstruct.2017.03.045
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ARCHITECTURAL ENGINEERING(건축공학부) > Articles
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