Earthquakes and Structures

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A preliminary case study of resilience and performance of rehabilitated buildings subjected to earthquakes

  • Hadigheh, S. Ali (School of Civil Engineering, The University of Sydney) ;
  • Mahini, S. Saeed (Discipline of Civil and Environmental Engineering, University of New England) ;
  • Setunge, Sujeeva (Department of Civil Engineering, School of Engineering, RMIT University) ;
  • Mahin, Stephen A. (Department of Civil and Environmental Engineering, University of California)
  • Received : 2016.03.16
  • Accepted : 2016.08.24
  • Published : 2016.12.25
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Abstract

Current codes design the buildings based on life safety criteria. In a performance-based design (PBD) approach, decisions are made based on demands, such as target displacement and performance of structure in use. This type of design prevents loss of life but does not limit damages or maintain functionality. As a newly developed method, resilience-based design (RBD) aims to maintain functionality of buildings and provide liveable conditions after strong ground movement. In this paper, the seismic performance of plain and strengthened RC frames (an eight-story and two low-rise) is evaluated. In order to evaluate earthquake performance of the frames, the performance points of the frames are calculated by the capacity spectrum method (CSM) of ATC-40. This method estimates earthquake-induced deformation of an inelastic system using a reduced response spectrum. Finally, the seismic performances of the frames are evaluated and the results are compared with a resilience-based design criterion.

Keywords

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