United States Department of Transportation
i
Data collection and evaluation of continuity detail for John James Audubon Bridge #6139061300401 : [tech summary].
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2014-10-01
[PDF-125.30 KB]
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Abstract:This project allowed the continuation of collecting monitoring data from Bridge #6139061300401 in the John James Audubon Project
for an additional two-year period. Bridge #6139061300401 was instrumented as part of an earlier project (LTRC Project No. 08-1ST),
whose fi ndings raised questions about its performance under thermal gradients, which warranted resuming data collection to monitor
the performance of Bridge #6139061300401 over a longer period of time. The focus of the monitoring eff ort for both projects is on
the employed continuity detail, which transfers forces between adjacent girders via positive moment reinforcement based on the
recommendation of the National Cooperative Highway Research Program (NCHRP) Project 12-53. Continuity details are typically used
to eliminate the need for high-maintenance joints that often lead to the acceleration of element deterioration in the vicinity of the
joints.
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