Seismic Vulnerability Assessment of Bridges on Earthquake Priority Routes in Western Kentucky

by Ouyang Yu, Univ of KY, Lexington, United States,
David L. Allen, Univ of KY, Lexington, United States,
Vincent P. Drnevich, Univ of KY, Lexington, United States,



Document Type: Proceeding Paper

Part of: Lifeline Earthquake Engineering

Abstract:

This paper discusses the current conditions of 203 bridges on the priority routes in Western Kentucky and their vulnerabilities to earthquakes. A span-loss type of bridge collapse due to earthquake induced pier or bent vibration is analyzed and corresponding criterion is established. The procedures of estimating the potential of this type of collapse are developed. The analyses are performed on each of 203 bridges and the analysis results show that about 9 percent of bridges have the potential of span-loss type of collapse during a large New Madrid Earthquake.

Subject Headings: Highway bridges | Bridge tests | Earthquakes | Bridge failures | Span bridges | Transportation studies | Risk management | Kentucky | United States | Madrid | Spain | Europe

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