Multihazard Acceptance

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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Chapters 3, 4, and 6 addressed the implications of assessing MH interactions and the implications of such interactions in an MH environment for analysis, design, reliability, exposure, risk, and resilience. However, as stated in Chapters 1 and 2, there is more to management than just assessment. Once the assessment is complete, the next question that requires an answer is, “Is the assessed metric, say risk level, acceptable?” Ettouney and Alampalli (2016) addressed this question in detail for a single hazard. This chapter will extend it beyond a single hazard to address the acceptance issue in an MH environment. Our basic goal is to show that acceptance thresholds of any metric, for a single asset or a network of assets, is a function of the MH environment, and hence, such an environment needs to be acknowledged while setting up acceptance thresholds. Setting up acceptance thresholds for hazards independently without accounting for the potential of their different interaction modes in an MH environment can lead to inaccurate management decisions.

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