Vulnerability, Reliability, and Exposure

Current Design Paradigms

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:

10.1201/9781315373959-5

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Abstract

The design of structures for multihazard (MH) conditions required the development of appropriate specifications to account for the combined effects of the hazards under consideration. Alipour et al. (2013) note that according to AASHTO load and resistance factor design (LRFD) bridge design specifications (AASHTO 2007), the effects of scour on changing the structural characteristics of a bridge should be evaluated to make sure that the bridge is not vulnerable to extreme loads such as wind and earthquake. Hence, authors studied the seismic performance of a series of RC bridges subjected to expected local scour scenarios and made an effort to calibrate the design load factors following an MH approach.

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