Steel and Composite Structures

  • 제28권6호
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  • Pages.709-718
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  • 2018
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  • 1229-9367(pISSN)
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  • 1598-6233(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Experimental investigation of masonry walls supported by steel plate-masonry composite beams

  • Jing, Deng-Hu (School of Civil Engineering, Southeast University) ;
  • Chen, Jian-Fei (School of Natural and Built Environment, Queen's University Belfast) ;
  • Amato, Giuseppina (School of Natural and Built Environment, Queen's University Belfast) ;
  • Wu, Ting (School of Civil Engineering, Southeast University) ;
  • Cao, Shuang-Yin (School of Civil Engineering, Southeast University)
  • 투고 : 2017.10.02
  • 심사 : 2018.07.15
  • 발행 : 2018.09.25
⟨ 이전 논문 다음 논문 ⟩

초록

Masonry walls are sometimes removed in buildings to either make new passages or increase the usable space. This may change the loading paths in the structure, and require new beams to transfer the loads which are carried by the masonry walls that are to be removed. One possible method of creating such new beams is to attach steel plates onto part of the existing walls to form a steel plate-masonry composite (SPMC) beam, leading to a new structure with part of the masonry wall supported by a new SPMC beam. This paper presents an experimental investigation into the interaction between the SPMC beam and the masonry wall above. Five SPMC beams supporting a masonry wall were tested to study the influence of parameters including the height-to-span ratio of the masonry wall, height of the beam and thickness of the steel plates. The test results, including failure mode, load-carrying capacity, load-deflection curves and strain distribution, are presented and discussed. It is found that for developing better arching effect in the masonry wall the ratio of the in-plane flexural stiffness of the masonry wall to the flexural stiffness of the SPMC beam must be between 2.8 and 7.1.

키워드

과제정보

연구 과제 주관 기관 : Natural Science Foundation of Jiangsu Province, National Science Foundation of China (NSFC)

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