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NCHRP Synthesis 285: Maintenance of Highway Edgedrains
| 题名： | NCHRP Synthesis 285: Maintenance of Highway Edgedrains |
| 作者： | Transportation Research Boaid |
| 关键词： | Pavement Design. Management and Performance. Materials and Construction, and Maintenance |
| 摘要： | This synthesis report will be of interest to pavement design, construction, maintenance, and materials engineers; geologists and hydrologists; highway contractors; and others interested in the maintenance of highway edgedrains. It describes the current state of the practice for the maintenance of highway edgedrain systems (i.e., outlet, headwall, connection, longitudinal/mainline pipe) and procedures to reduce and facilitate the maintenance of edgedrains. Information is included on the maintenance of edgedrains, its relation to pavement drainage and performance, and the importance and cost benefits of providing good drainage in highways. This report is an extension to the information provided by NCHRP Synthesis 239: Pavement Subsurface Drainage Systems. Design, materials, and construction details and techniques, obtained from a survey of North American Transportation agencies, are provided to demonstrate effective edgedrain maintenance practices that promote highway drainage. Agency policies and procedures for edgedrain maintenance, strategies to reduce maintenance costs, and methods of increasing maintenance effectiveness are also included. |
| 报告类型： | 科技报告 |
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