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Creating Fragility Functions for Performance‐Based Earthquake Engineering

Porter, Keith, Kennedy, Robert, Bachman, Robert·2007·Earthquake Spectra

Abstract

The Applied Technology Council is adapting PEER's performance‐based earthquake engineering methodology to professional practice. The methodology's damage‐analysis stage uses fragility functions to calculate the probability of damage to facility components given the force, deformation, or other engineering demand parameter (EDP) to which each is subjected. This paper introduces a set of procedures for creating fragility functions from various kinds of data: (A) actual EDP at which each specimen failed; (B) bounding EDP, in which some specimens failed and one knows the EDP to which each specimen was subjected; (C) capable EDP, where specimen EDPs are known but no specimens failed; (D) derived, where fragility functions are produced analytically; (E) expert opinion; and (U) updating, in which one improves an existing fragility function using new observations. Methods C, E, and U are all introduced here for the first time. A companion document offers additional procedures and more examples.

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Metadata

Authors
Porter, K., Kennedy, R., & Bachman, R.
Venue
Earthquake Spectra
Publisher
Wiley
Published
2007-05
Volume
23
Issue
2
Pages
471-489
ISSN
  • 1944-8201 (ISSN-L)
  • 8755-2930
OpenAlex
W2126426627
Cited by
685
References
7
FWCI
36.05
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Creating Fragility Functions for Performance‐Based Earthquake Engineering. https://app.cochat.ai/papers/10.1193/1.2720892
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Porter, K., Kennedy, R., & Bachman, R. (2007). Creating Fragility Functions for Performance‐Based Earthquake Engineering. Earthquake Spectra. https://doi.org/10.1193/1.2720892

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