Structural Engineering and Mechanics

  • 제78권4호
  • /
  • Pages.387-401
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  • 2021
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
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Parametric study of energy dissipation mechanisms of hybrid masonry structures

  • Gao, Zhenjia (Department of Civil and Environmental Engineering, Rice University) ;
  • Nistor, Mihaela (Department of Civil and Environmental Engineering, Rice University) ;
  • Stanciulescu, Ilinca (Department of Civil and Environmental Engineering, Rice University)
  • 투고 : 2020.05.26
  • 심사 : 2021.03.16
  • 발행 : 2021.05.25
⟨ 이전 논문 다음 논문 ⟩

초록

This paper provides a methodology to analyze the seismic performance of different component designs in hybrid masonry structures (HMS). HMS, comprised of masonry panels, steel frames and plate connectors is a relatively new structural system with potential applications in high seismic areas. HMS dissipate earthquake energy through yielding in the steel components and damage in the masonry panels. Currently, there are no complete codes to assist with the design of the energy dissipation components of HMS and there have been no computational studies performed to aid in the understanding of the system energy dissipation mechanisms. This paper presents parametric studies based on calibrated computational models to extrapolate the test data to a wider range of connector strengths and more varied reinforcement patterns and reinforcement ratios of the masonry panels. The results of the numerical studies are used to provide a methodology to examine the effect of connector strength and masonry panel design on the energy dissipation in HMS systems. We use as test cases two story structures subjected to cyclic loading due to the availability of experimental data for these configurations. The methodology presented is however general and can be applied to arbitrary panel geometries, and column and story numbers.

키워드

과제정보

This work was partially funded by the NSF-NEES program (grant No. 0936464). The authors thank the research groups at the University of Illinois at Urbana Champaign for useful discussions and for sharing the experimental results from the large-scale hybrid system testing.

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