Steel and Composite Structures

  • 제24권1호
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  • Pages.37-52
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  • 2017
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  • 1229-9367(pISSN)
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  • 1598-6233(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Seismic collapse probability of eccentrically braced steel frames

  • Qi, Yongsheng (Changzhou Key Lab of Construction Engineering Structure and Material Properties, Changzhou Institute of Technology) ;
  • Li, Weiqing (Changzhou Key Lab of Construction Engineering Structure and Material Properties, Changzhou Institute of Technology) ;
  • Feng, Ningning (Changzhou Key Lab of Construction Engineering Structure and Material Properties, Changzhou Institute of Technology)
  • 투고 : 2015.11.02
  • 심사 : 2017.02.28
  • 발행 : 2017.05.20
⟨ 이전 논문 다음 논문 ⟩

초록

To quantitatively assess the safety against seismic collapse of eccentrically braced steel frame (EBSF) system, 24 typical EBSFs with K-shape and V-shape braces with seismic precautionary intensities 8 and 9 were designed complying with China seismic design code and relative codes to constitute archetype space of this structure system. In the archetype space, the collapse probability of the structural system under maximum considered earthquakes (MCE) was researched. The results show that the structures possess necessary safety against seismic collapse when they respectively encounter the maximum considered earthquakes corresponding to their seismic precautionary levels, and their collapse probabilities increase with increasing seismic precautionary intensities. Moreover, the EBSFs with V-shape braces have smaller collapse probability, thus greater capacity against seismic collapse than those with K-shape braces.

키워드

과제정보

연구 과제번호 : Research on collapse probability and collapse mechanism of concentrically braced steel frames under strong earth-quakes

연구 과제 주관 기관 : Ministry of Housing and Urban-Rural Development

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피인용 문헌

  1. Experimental and numerical assessment of EBF structures with shear links vol.28, pp.2, 2018, https://doi.org/10.12989/scs.2018.28.2.123
  2. A comparison of three performance-based seismic design methods for plane steel braced frames vol.18, pp.1, 2017, https://doi.org/10.12989/eas.2020.18.1.027
  3. Improving the seismic performance of reinforced concrete frames using an innovative metallic-shear damper vol.28, pp.3, 2021, https://doi.org/10.12989/cac.2021.28.3.275