Horizontal cladding panels: in-plane seismic performance in precast concrete buildings

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• 作者：Andrea Belleri ; Mauro Torquati ; Alessandra Marini…
• 关键词：Precast concrete structures ; Connections ; Cladding panels ; Seismic vulnerability
• 刊名：Bulletin of Earthquake Engineering
• 出版年：2016
• 出版时间：April 2016
• 年：2016
• 卷：14
• 期：4
• 页码：1103-1129
• 全文大小：2,308 KB
• 参考文献：ABAQUS user’s manual version 6.11 (2011) Dassault Systèmes Simulia Corp
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• 作者单位：Andrea Belleri (1)
  Mauro Torquati (1)
  Alessandra Marini (1)
  Paolo Riva (1)
  
  1. Department of Engineering and Applied Sciences, University of Bergamo, Viale Marconi 5, 24044, Dalmine, Italy
  
• 刊物类别：Earth and Environmental Science
• 刊物主题：Earth sciences
  Geotechnical Engineering
  Civil Engineering
  Geophysics and Geodesy
  Hydrogeology
  Structural Geology
  
• 出版者：Springer Netherlands
• ISSN：1573-1456

文摘

The paper investigates the in-plane performance of horizontal precast reinforced concrete cladding panels, typically adopted in one-storey precast industrial and commercial buildings. Starting from in-field observations of cladding panels failures in recent earthquakes, the seismic performance of typical connections is evaluated by means of experimental tests on full-scale panels under quasi-static cyclic loading. The failure mechanisms highlight the vulnerability of such connections to relative displacements and, therefore, the need to accurately evaluate the connections displacement demand and capacity. An analytical model is developed to describe the force–displacement relationship of the considered connections and compared to the experimental results. In order to determine the seismic vulnerability of such connections and provide design recommendations, linear and nonlinear analyses are conducted taking as reference a precast concrete structure resembling an industrial precast building. The results of the analyses show the importance of a correct estimation of the column’s lateral stiffness in the design process and how an improper erection procedure leads to a premature failure of such connections.