Fragility estimation for global building classes using analysis of the Cambridge earthquake damage database (CEQID)

Spence, Robin and Martínez Cuevas, Sandra and Baker, Hannah (2021). Fragility estimation for global building classes using analysis of the Cambridge earthquake damage database (CEQID). "Bulletin of Earthquake Engineering", v. 19 (n. 14); pp. 5897-5916. ISSN 1570-761X. https://doi.org/10.1007/s10518-021-01178-x.

Description

Title: Fragility estimation for global building classes using analysis of the Cambridge earthquake damage database (CEQID)
Author/s:
  • Spence, Robin
  • Martínez Cuevas, Sandra
  • Baker, Hannah
Item Type: Article
Título de Revista/Publicación: Bulletin of Earthquake Engineering
Date: November 2021
ISSN: 1570-761X
Volume: 19
Subjects:
Freetext Keywords: Earthquake damage; Damage database; Fragility; Ground motion; Uncertainty
Faculty: E.T.S.I. en Topografía, Geodesia y Cartografía (UPM)
Department: Ingeniería Cartográfica y Topografía
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

This paper describes CEQID, a database of earthquake damage and casualty data assembled since the 1980s based on post-earthquake damage surveys conducted by a range of research groups. Following 2017-2019 updates, the database contains damage data for more than five million individual buildings in over 1000 survey locations following 79 severely damaging earthquakes worldwide. The building damage data for five broadly defined masonry and reinforced concrete building classes has been assembled and a uniform set of six damage levels assigned. Using estimated peak ground acceleration (PGA) for each survey location based on USGS Shakemap data, a set of lognormal fragility curves has been developed to estimate the probability of exceedance of each damage level for each class, and separate fragility curves for each of five geographical regions are presented. A revised set of fragility curves has also been prepared in which the bias in the curve resulting from the uncertainty in the ground motion parameter has been removed. The uncertainty in the fragility curves is evaluated and discussed and the curves are compared with those from other studies. A resistance index for each class of building is developed and cross-regional comparisons using this resistance index are presented.

More information

Item ID: 68591
DC Identifier: https://oa.upm.es/68591/
OAI Identifier: oai:oa.upm.es:68591
DOI: 10.1007/s10518-021-01178-x
Official URL: https://link.springer.com/article/10.1007/s10518-021-01178-x
Deposited by: Memoria Investigacion
Deposited on: 25 Jan 2022 16:46
Last Modified: 26 Jan 2022 11:19
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