Multihazard Risk and Resilience Treatment

Authored by: Mohammed M. Ettouney , Sreenivas Alampalli

Multihazard Considerations in Civil Infrastructure

Print publication date:  December  2016
Online publication date:  November  2016

Print ISBN: 9781482208320
eBook ISBN: 9781315373959
Adobe ISBN:


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The risk-based interrelationship between a hazard and its potential risk countermeasures needs to be handled interactively, not sequentially. For example, all bridges over water are generally assessed for scour vulnerability to develop a plan of action in case of flooding and to design appropriate countermeasures. Yanmaz and Apaydin (2012) discussed such methodologies for bridge scour risk Assessment and countermeasure design. The Federal Highway Administration developed a risk-based methodology and software named HYRISK (Pearson et al. 2002) to evaluate annual risk (R) of scour failure of an existing bridge in monetary values: (8.1)R=KPA(C1+C2+C3)

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