United States Department of Transportation
i
Monitoring bridge scour using fiber optic sensors : research project capsule.
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2009-03-01
[PDF-168.92 KB]
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Abstract:The interstate highway network is an
important national asset. Bridges
constituting critical nodes within
transportation networks are the
backbone of the transportation
infrastructure. It is well known that
scour is one of the major courses of
bridge failures. In the last 30 years,
more than 1,000 bridges collapsed in
the United States, and about 60
percent failures are related to the
scour of bridges’ foundations. Due to
the difficulty in inspecting bridge
scour, scour-induced failures tend to
occur suddenly without prior warning
or signs of distress to the structures.
With the threat of hurricane-induced
flooding and the fact that there is a
significant number of coastal and
river/bayou bridges in Louisiana, a
more reliable inspection and
monitoring procedure for bridge scour
is needed.
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