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Pavement Preservation Practices in Cold Regions
| 题名： | Pavement Preservation Practices in Cold Regions |
| 作者： | Zubeck, H.; Liu, J.; Mullin, A. |
| 关键词： | Pavements##Highway maintenance##Cold regions##Pavement preservation##Repairs##Treatments##Data collection##Climatic conditions##Frost##Permafrost##Thermal stresses## |
| 摘要： | The Alaska Department of Transportation and Public Facilities (AKDOT&PF) has recognized the value of pavement preservation and is in process of incorporating the concept in its road upkeep strategy. A research project was initiated to aid in the development of a pavement preservation program for Alaska. Part of the effort was to collect information on pavement preservation treatments used in cold regions. More specifically, the object was to identify the performance of pavement preservation techniques used in other similar climatic conditions (when compared to Alaska). The purpose of this report is to describe the state-of-art and best practices of pavement preservation in cold regions. The information was collected by a comprehensive literature review and by conducting a survey on pavement preservation issues. All surveyed pavement preservation treatments (Crack Sealing, Patching, Fog Seals, Chip Seals, Slurry Seals, AST/BST, Microsurfacing, Thin Overlays, Bonded Wearing Courses, Interlayers and In-place Recycling) have been used in cold regions for over 30 years. Crack sealing and patching are the most extensively used pavement preservation techniques. Recommendations for research and implementation are included. |
| 总页数： | 84 |
| 报告类型： | 科技报告 |
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