Encyclopedia of Earthquake Engineering

2015 Edition
| Editors: Michael Beer, Ioannis A. Kougioumtzoglou, Edoardo Patelli, Siu-Kui Au

Seismic Fragility Analysis

  • Murat Altug ErberikEmail author
Reference work entry
DOI: https://doi.org/10.1007/978-3-642-35344-4_387

Synonyms

Damage probability matrix; Fragility curve; Fragility surface; Limit state; Numerical simulation; Seismic capacity; Seismic demand; Uncertainty

Introduction

Seismic fragility can be defined as the proneness of a structural component or a system to fail to perform satisfactorily under a predefined limit state when subjected to an extensive range of seismic action. In accordance with the above definition, seismic fragility analysis can be regarded as a probabilistic measure for seismic performance assessment of structural components or systems. There are two different end products of seismic fragility analysis: damage probability matrix and fragility curve.

Damage probability matrix (DPM) is a table that provides discrete values of damage state probabilities for specified levels of ground motion intensities. Each column of DPM stands for a constant level of ground motion intensity whereas each row of DPM denotes the probability of being in a predefined damage state. Hence, any...

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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  1. 1.Civil Engineering DepartmentMiddle East Technical UniversityAnkaraTurkey