United States Department of Transportation
i
Seismic Vulnerability and Post-Event Actions [Project Summary]
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2017-12-31
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[PDF-241.10 KB]
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Alternative Title:0-6916: Seismic Vulnerability and Post-Event Actions [Project Summary]
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Abstract:Historically, seismic hazards have not been a major concern in the design and maintenance of bridges in the State of Texas due to the infrequency and low magnitudes of seismic events experienced in the state. A recent increase in the number earthquakes across Texas and the larger magnitude earthquakes that have occurred recently in nearby states has raised concerns over the seismic vulnerability of the Texas’s bridge inventory and the need for a plan of action for immediate post-earthquake response by TxDOT officials. To address these concerns, the research team developed tools to better quantify (1) the seismic hazards in the State of Texas and (2) the seismic vulnerability, or fragility, of the Texas bridge inventory. From the bridge fragility functions developed in this project, a post-earthquake action plan was proposed to identify bridges requiring inspection based on their likelihood of experiencing damage in a certain earthquake event.
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