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Seismic fragility analysis of 3D structures

Authors
Journal
Structural Safety
0167-4730
Publisher
Elsevier
Publication Date
Volume
26
Issue
4
Identifiers
DOI: 10.1016/j.strusafe.2004.03.001
Keywords
  • Response Surface
  • Reinforced Concrete
  • Multiple Failure Modes
  • Recorded Accelerograms
  • Experimental Plan
  • Mixed Statistical Model
  • Form

Abstract

Abstract A statistical approach for time-variant system reliability problems is developed and investigated. The basic proposal is to use a response surface, characterised by a statistical model of the mixed type, to represent the capacity in an analytical limit-state function. The fragility function of the system is then calculated by FORM analysis, with the constructed empirical limit-state function as input. The methodology is applied in the assessment of a 3D RC frame structure. The application allows a number of detailed implementation issues to be clarified, and confirms the robustness and versatility of the method.

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