Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/122726
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Type: Journal article
Title: Seismic fragility assessment of nonstructural components in unreinforced clay brick masonry buildings
Author: Derakhshan, H.
Walsh, K.
Ingham, J.
Griffith, M.C.
thambiratnam, D.
Citation: Earthquake Engineering and Structural Dynamics, 2019; 49(3):285-300
Publisher: Wiley
Issue Date: 2019
ISSN: 0098-8847
1096-9845
Statement of
Responsibility: 
Hossein Derakhshan, Kevin Q. Walsh, Jason M. Ingham, Michael C. Griffith, David P. Thambiratnam
Abstract: The results of an investigation of the probability of earthquake damage to nonstructural unreinforced masonry (URM) components are presented. The components include parapets, chimneys, and out‐of‐plane loaded facades typical of low‐rise pre‐1940 construction in Australia and New Zealand. The study is based on a street survey of component geometry, in situ data on material strength, and simplified mechanical models. Uncertainties in capacity and demand were quantified based on, respectively, stochastic and deterministic approaches. The damage probabilities were compared with relevant guidelines and empirical damage data from three earthquakes. The study established a link between the qualitative damage states reported in existing guidelines and the quantitative URM component damage states. While some median damage state thresholds correlated well with the data from the guidelines, a larger dispersion value was found in the current study due to the large variations in component properties. Comparisons with empirical data suggest that the developed fragility data provide a realistic estimate of nonstructural component damage that occurred in similar buildings, with a reasonable level of conservatism. The outcome is useful in rapid assessment of the seismic risks due to nonstructural component collapse in URM precincts.
Keywords: Chimney; clay brick; HAZUS; nonstructural; parapet; seismic risk; rapid assessment; unreinforced masonry
Rights: © 2019 John Wiley & Sons, Ltd.
DOI: 10.1002/eqe.3238
Grant ID: http://purl.org/au-research/grants/arc/DE180101593
http://purl.org/au-research/grants/arc/DE180101593
http://purl.org/au-research/grants/arc/DP120100848
Appears in Collections:Aurora harvest 4
Civil and Environmental Engineering publications

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