Fragility analysis of roof damage to industrial buildings subject to extreme wind loading in non-cyclonic regions

Stewart, Mark G., Ryan, Paraic C., Henderson, David J., and Ginger, John D. (2016) Fragility analysis of roof damage to industrial buildings subject to extreme wind loading in non-cyclonic regions. Engineering Structures, 128 . pp. 333-343.

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Abstract

A fragility analysis is conducted for loss of roof cladding for low rise metal-clad industrial buildings located in non-cyclonic regions of Australia. The stochastic analysis includes possible component and connection failures, load redistribution based on progressive failure, spatial distribution of wind load, and internal pressure variation caused by roof sheeting failure. This spatial and time-dependent reliability analysis will enable fragility curves to be developed that relate likelihood and extent of roof cover damage with wind speed. Industrial buildings representative of new construction in the Australian cities of Brisbane, Sydney and Melbourne are considered. Fragility functions are proposed for industrial buildings designed and constructed to existing codes, and also for improperly designed or constructed buildings where a roller door or other dominant opening prematurely fails during a storm for a building designed as nominally sealed. It was found that damage risks double if a roller door or other dominant opening prematurely fails during a storm.

Item ID: 45990
Item Type: Article (Refereed Research - C1)
Keywords: structural reliability; fragility; wind; buildings; roof damage
ISSN: 1873-7323
Funders: Commonwealth Scientific and Industrial Research Organisation (CSIRO)
Projects and Grants: CSIRO Flagship Cluster Fund through the project Climate adaption Engineering for Extreme Events, CSIRO Climate Adaption Flagship Sustainable Cities and Coasts Theme
Date Deposited: 06 Oct 2016 22:04
FoR Codes: 09 ENGINEERING > 0905 Civil Engineering > 090502 Construction Engineering @ 30%
09 ENGINEERING > 0905 Civil Engineering > 090506 Structural Engineering @ 70%
SEO Codes: 87 CONSTRUCTION > 8702 Construction Design > 870203 Industrial Construction Design @ 70%
87 CONSTRUCTION > 8702 Construction Design > 870202 Commercial Construction Design @ 30%
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