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EVALUATING PAVEMENT IMPACTS OF TRUCK WEIGHT LIMITS AND ENFORCEMENT LEVELS.
| 题名： | EVALUATING PAVEMENT IMPACTS OF TRUCK WEIGHT LIMITS AND ENFORCEMENT LEVELS. |
| 作者： | Fekpe-ESK; Clayton-AM; Haas-RCG |
| 关键词： | TRUCK-LOAD-LIMITS; TRUCK-WEIGHTS; TRUCK-PAVEMENT-DAMAGE; LAW-ENFORCEMENT; PAVEMENT-LOADING; FLEXIBLE-PAVEMENTS; RIGID-PAVEMENTS; PAYLOADS-; AXLE-LOADS; COSTS-; COST-SAVING; SIZE-AND-WEIGHT-LAWS |
| 摘要： | Efforts to compare truck productivity and pavement loading impacts of alternative truck weight limits have met with limited success because of the uncertainty surrounding the important inputs. In addition, the effects of enforcement on the resulting vehicle weights have not been adequately addressed. Parameters for evaluating pavement loading impacts of alternative truck weight limits and enforcement levels are presented. It is indicated that enforcement is a critical factor in assessing pavement impacts of alternative weight limits. For a given weight limit, the effects of enforcement on pavement loading for flexible and rigid pavements differ, with rigid pavements being more sensitive. Parameters measuring total pavement loading and taking into account the amount of payload provide a more objective assessment than the average load per truck alone. In terms of pavement costs resulting solely from axle loads, substantial savings are achievable if strict enforcement schedules are implemented. |
| 总页数： | Transportation Research Record. 1995. (1508) pp39-44 (3 Fig., 1 Tab., 10 Ref.) |
| 报告类型： | 科技报告 |
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