United States Department of Transportation
i
Implementation of a pilot continuous monitoring system : Iowa Falls Arch Bridge : [tech transfer summary].
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2015-06-01
[PDF-401.33 KB]
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Abstract:As part of designing, constructing, and maintaining the bridge infrastructure in
Iowa, the Iowa Department of Transportation (DOT) has, in recent years, focused
efforts on investigating the use of new high-performance materials, new design
concepts and construction methods, and various new maintenance methods.
These progressive efforts are intended to increase the lifespan of bridges in
meeting the Iowa DOT objective of building and maintaining cost-effective and
safe bridges.
Bridge testing and monitoring has been beneficial in helping with these
innovative efforts, and in providing important information to evaluate the
structural performance and safety of existing bridges. The Iowa DOT testing and
monitoring program, in coordination with the Bridge Engineering Center (BEC)
at Iowa State University, collects performance data to compare with design-based
structural parameters to determine if the structural response is appropriate. The
data may also be used to “calibrate” an analytical model that may be used to
provide a more detailed structural assessment (e.g., a load rating to determine
safe bridge capacity).
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