Analysis of Recent Bridge Failures in the United States
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Abstract
Over 500 failures of bridge structures in the United States between 1989 and 2000 were studied. The age of the failed bridges ranged from 1 year (during construction) to 157 years, with an average of 52.5 years. The most frequent causes of bridge failures were attributed to floods and collisions. Flood and scour, with the major flood disaster in 1993, contributed to the frequency peak of bridge failures (almost 53% of all failures). Bridge overload and lateral impact forces from trucks, barges/ships, and trains constitute 20% of the total bridge failures. Other frequent principal causes are design, detailing, construction, material, and maintenance. Comparison made among three periods of similar studies…
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2Topics & keywords
Topics
Keywords
- Bridge (graph theory)
- Flood myth
- Forensic engineering
- Train
- Engineering
- Truck
- Geography
- Cartography
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