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Parks Highway Load Restriction Study: Field Data Analysis. Volume I.
| 题名： | Parks Highway Load Restriction Study: Field Data Analysis. Volume I. |
| 作者： | Raad, L. |
| 关键词： | Alaska; Asphalt; Asphalt Fatigue; Damage Assessment; Design Standards; Embankments; Freezing; Geotextiles; Highway Maintenance; Load Restrictions; Monitoring; Pavement Structure; Road Conditions |
| 摘要： | The loss of pavement strength during spring thaw could result in excessive road damage under applied traffic loads. Damage assessment associated with the critical thaw period is essential to evaluate current load restriction policies. The Alaska Department of Transportation and Public Facilities (AKDOT&PF) proposed a plan which will provide an engineering analysis of field conditions with 100% loads on the Parks Highway for 1996. The study was jointly conducted by AKDOTUF, the Alaska Trucking Association (ATA), and the University of Alaska Fairbanks Institute of Northern Engineering Transportation Research Center (TRC). Extensive field data were collected and analyzed in an effort to monitor pavement damage during the spring of 1996 and determine the loss of pavement strength. The field data included: (1) Truck traffic data using the Chulitna weigh in motion (WIM) station and the scalehouses at Eagle River and Ester. WIM data were obtained for both northbound and southbound traffic from 1993-1996. Scalehouse data were obtained for Spring 1996 for comparison with WIM spring data. (2) Pavement temperature data (Spring 1996) for seven ground temperature sites representing typical conditions along the Parks Highway. (3) Profilometer data for pavement roughness and rutting obtained yearly (1993,1995, and 1996) and also monitored over shorter intervals during Spring 1996. In addition, rut-bar measurements at selected points were also monitored during Spring 1996. |
| 报告类型： | 科技报告 |
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