Advances in concrete construction

  • 제13권 2호
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  • Pages.153-162
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  • 2022
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  • 2287-5301(pISSN)
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  • 2287-531X(eISSN)
테크노프레스 (Techno-Press)
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Mechanical behavior test and analysis of HEH sandwich external wall panel

  • Wu, Xiangguo (School of Civil Engineering, Fuzhou University) ;
  • Zhang, Xuesen (CGN New Holdings Co., Ltd) ;
  • Tao, Xiaokun (Hebei Construction Material Vocational and Technical College) ;
  • Yang, Ming (Hebei Construction Material Vocational and Technical College) ;
  • Yu, Qun (School of Architecture Engineering, Harbin Engineering University) ;
  • Qiu, Faqiang (JianYan Test Group Co., Ltd)
  • 투고 : 2019.11.03
  • 심사 : 2022.02.10
  • 발행 : 2022.02.25
⟨ 이전 논문 다음 논문 ⟩

초록

Prefabricated exterior wall panel is the main non-load-bearing component of assembly building, which affects the comprehensive performance of thermal insulation and durability of the building. It is of great significance to develop new prefabricated exterior wall panel with durable and lightweight characteristics for the development of energy-saving and assembly building. In the prefabricated sandwich insulation hanging wall panel, the selection of material for the outer layer and the arrangement of the connector of the inner and outer wall layers affect the mechanical performance and durability of the wall panels. In this paper, high performance cement-based composites (HPFRC) are used in the outer layer of the new type wall panel. FRP bars are used as the interface connector. Through experiments and analysis, the influence of the arrangement of connectors on the mechanical behaviors of thin-walled composite wall panel and the panel with window openings under two working conditions are investigated. The failure modes and the role of connectors of thin-walled composite wallboard are analyzed. The influence of the thickness of the wall layer and their combination on the strain growth of the control section, the initial crack resistance, the ultimate bearing capacity and the deformation of the wall panels are analyzed. The research work provides a technical reference for the engineering design of the light-weight thin-walled and durable composite sandwich wall panel.

키워드

과제정보

The authors would like to thank the NSFC(52178195), the Xiamen Construction Science and Technology plan project (XJK2020-1-9), the Key R&D plan of Hebei Province: high tech common key technology tackling and application demonstration special projects (18214903D), Heilongjiang science and technology achievements transformation guidance fund project (HEI Finance (Education) [2012] 825) for supporting the authors' work described herein.

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