Development of Degradation Rates for Various Bridge Types in the State of Ohio: Executive Summary Report
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2011-03-01
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Edition:Executive summary report.
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Abstract:The Ohio Department of Transportation (ODOT) maintains a Bridge Management System (BMS) which is responsible for collecting and maintaining historical and longitudinal data by year for all the bridges in Ohio.BMS aids ODOT in tracking, design, planning maintenance requests on bridges and funds allocation for maintenance. The historical data collected in the BMS can be used for analysis and modeling to understand the degradation rate of bridges across the state of Ohio. Degradation rate of bridges varies across the different districts in Ohio owing to changes in location, traffic, environmental factors, freeze thaw cycling, traffic wear and tear, use of salt since chloride ions causes corrosion, restricted inspection and maintenance due to lack of availability of funds. Statistical analysis and modeling of the BMS data can provide good insight to the rate of degradation and maintenance requirement on bridges under different environmental, location and other factors. An understanding of the behavior of the existing bridges under the effect of different conditions and their future performance is essential for the BMS. A reliable bridge prediction and performance model would facilitate inspection scheduling, cost analysis and budget optimization.
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