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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.41 No.3
- 발행연도
- 2021.11
- 수록면
- 461 - 474 (14page)
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This paper focuses on the seismic performance of typical pre-engineered steel buildings (PSB) on the west coast of Canada. PSB are widely adopted for commercial and industrial long span low-rise constructions. Their structural system consists of a moment resisting frame made of built-up tapered I-beam elements, which often have slender and/or non-compact sections to minimize steel consumption. Typical seismic design of PSB consists of elastic analysis with force reduction factors (FRF) that assume some ductility. However, failure mechanisms in PSB are usually governed by flange local buckling and lateral torsional buckling, which might not provide the expected ductility. This paper presents an extensive series of numerical analyses to evaluate the seismic performance of four PSB prototypes designed for the city of Victoria on the west coast of Canada.
Prototypes have similar general dimensions, while members’ sizes vary due to usage of different FRF. A finite element model (FEM) has been calibrated based on experiments to capture the post-buckling response of tapered built-up steel elements under cyclic load. Furthermore, seismic performance of each PSB prototype has been assessed with incremental dynamic analysis procedure. Structural characteristics, such as ductility and overstrength, are identified. In addition, the prototypes’ probability of collapse is assessed under a set of 33 ground motions from multiple sources of hazard. The resultant collapse margin ratio is compared with the acceptance criterion per FEMA P695 recommendation. The study concludes proposing FRF=1.3 for the efficient design PSB on the west coast of Canada.
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참고문헌 (47)
참고문헌 신청
Norman Abrahamson / 2016 / BC Hydro Ground Motion Prediction Equations for Subduction Earthquakes / Earthquake Spectra 32(1):23~44
2017 / ASCE 7 Minimum design loads and associated criteria for buildings and other structures / American Society of Civil Engineers
Ashtari, S. / 2018 / Evaluating the performance-based seismic design of RC bridges according to the 2014 Canadian highway bridge design code
Gail M. Atkinson / 2013 / Ground motion prediction equations for application to the 2015 Canadian national seismic hazard maps / Canadian Journal of Civil Engineering 40(10):988~998
Baker, J. / Ground Motion Model Functions
2017 / ASCE 7 Minimum design loads and associated criteria for buildings and other structures / American Society of Civil Engineers
Ashtari, S. / 2018 / Evaluating the performance-based seismic design of RC bridges according to the 2014 Canadian highway bridge design code
Gail M. Atkinson / 2013 / Ground motion prediction equations for application to the 2015 Canadian national seismic hazard maps / Canadian Journal of Civil Engineering 40(10):988~998
Baker, J. / Ground Motion Model Functions
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