Modelling the vulnerability of a high-set house roof structure to windstorms using VAWS

Parackal, Korah, Wehner, Martin, Ryu, Hyeuk, Ginger, John, Smith, Daniel, Henderson, David, and Edwards, Mark (2019) Modelling the vulnerability of a high-set house roof structure to windstorms using VAWS. In: Australian Journal of Emergency Management Monograph: research proceedings from the Bushfire and Natural Hazards CRC Research Forum (4) pp. 51-63. From: AFAC19 powered by INTERSCHUTZ, 27 August 2019, Melbourne, VIC, Australia.

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Abstract

Modelling the vulnerability of houses in windstorms is important for insurance pricing, policy-making, and emergency management. Vulnerability models for Australian house types have been developed since the 1970s and have ranged from empirical models to more advanced reliability based structural engineering models, which provide estimates of damage for a range of wind speeds of interest. This paper describes recent developments in the engineering based vulnerability modelling software: ‘Vulnerability and Adaption to Wind Simulation’ (VAWS), which uses probability based reliability analysis and structural engineering for the loading and response coupled with an extensive test database and field damage assessments to calculate the damage experienced by selected Australian house types. A case study is presented to demonstrate the program's ability to model progressive failures, internal pressurization and debris impact.

Item ID: 62831
Item Type: Conference Item (Research - E1)
ISSN: 2204-2288
Copyright Information: Articles in the Australian Journal of Emergency Management are provided under a Creative Commons Attribution Non Commercial (CC BY-NC 4.0) licence that allows reuse subject only to the use being non-commercial and to the article being fully attributed (creativecommons.org/licenses/by-nc/4.0). © Australian Institute for Disaster Resilience 2019.
Funders: Bushfire and Natural Hazards CRC
Date Deposited: 01 Jun 2020 23:55
FoR Codes: 09 ENGINEERING > 0905 Civil Engineering > 090506 Structural Engineering @ 100%
SEO Codes: 87 CONSTRUCTION > 8702 Construction Design > 870204 Residential Construction Design @ 60%
96 ENVIRONMENT > 9610 Natural Hazards > 961010 Natural Hazards in Urban and Industrial Environments @ 40%
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