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Effects of Overweight Vehicles on NYSDOT Infrastructures.
| 题名： | Effects of Overweight Vehicles on NYSDOT Infrastructures. |
| 作者： | Ghosn, M.; Fiorillo, G.; Gayovyy, V.; Getso, T.; Ahmed, S.; Parker, N. |
| 关键词： | Bridges, Highway infrastructure, Pavements, Overweight trucks, Permit trucks, Weigh-In-Motion (WIM), Cost allocations, MEPDG(Mechanistic-Empirical Pavement Design Guide), Cyclic fatigue, Overstress |
| 摘要： | This report develops a methodology for estimating the effects of different categories of overweight trucks on NYSDOT pavements and bridges. A data mining algorithm is used to categorize truck data collected at several Weigh-In-Motion stations around the state of New York based on the trucks’ adherence to the state’s legal weight limits. The data indicate that about 11% of the trucks traveling on New York highways may be carrying divisible load permits, 1% may be carrying special hauling permits, while about 6% may be illegally overweight. The analysis shows that these overweight trucks are increasing the risk to failure of bridges by causing stresses above those specified in design specifications and by reducing bridge service (fatigue) lives through repetitive overloading. A monetization of the safety margin utilization due to the combined overstress and cyclic fatigue shows that trucks carrying divisible load permits may be responsible for $50M per year in NYS bridge infrastructure cost, trucks with special hauling permits may be responsible for $2M/yr in additional cost while illegally overweight trucks may be responsible for $43M per year for a total of $95M/yr. The cost allocation study performed on the NYS pavement network shows that the cost to NYS pavements due to overweight trucks is about $145M/yr divided into $78M/yr for divisible load permits, $7M/yr for special hauling permits and $60M/yr for illegally overweight trucks. |
| 总页数： | Ghosn, M.; Fiorillo, G.; Gayovyy, V.; Getso, T.; Ahmed, S.; Parker, N. |
| 报告类型： | 科技报告 |
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