Development of a Decision Support Framework for Multi-Hazard Resilience Assessment of Coastal Structures
Publication: Geo-Extreme 2021
ABSTRACT
Current methods for flood risk assessment do not incorporate the concept of flood damage, structural resiliency, and community vulnerability into a single holistic framework. Within this study, a robust flood risk assessment framework has been developed which includes hydrodynamic characteristic of flooding coupled with the concept of flood damage, resiliency, and vulnerability through various modeling and geospatial analytics. First a state-of-the-art, high-resolution two-dimensional (2D) hydrodynamic model was developed to analyze the impact of storm surge into the coastal communities. Next, a new flood damage model was proposed which includes the dynamic characteristics of flooding as well as various relevant characteristics of a building including age, materials, height, and location. A resiliency model was also developed incorporating the flood induced damage level with the recovery factor of the structures at micro- and mesoscale. Finally, the vulnerability of a community due to extreme storm events was quantified by including damage and the resiliency of the community at mesoscale.
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Geo-Extreme 2021
Pages: 318 - 328
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© 2021 American Society of Civil Engineers.
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Published online: Nov 4, 2021
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