Effects of Tree Canopy on Pavement Condition, Safety and Maintenance - Phase 2
| 项目名称： | Effects of Tree Canopy on Pavement Condition, Safety and Maintenance - Phase 2 |
| 摘要： | It has been long thought at the Ohio Department of Transportation (ODOT) that tree canopy shading of pavement accelerates pavement deterioration by slowing the evaporation of water from the pavement surface. Damage occurs to the pavement during the winter months when water enters small cracks in the pavement, freezes and expands. Canopy shading also reduces the effectiveness of deicers by reducing the amount of solar energy able to reach the pavement. Solar energy enhances the melting effectiveness of deicers. The canopy also presents a safety issue for the traveling public as limbs may fall onto the roadway and in the path of motorists. ODOT's current practice is to remove the tree canopy from the roadway where practical. This practice has been questioned by critics who claim any negative effects from the tree canopy on the pavement are unfounded and have not been properly researched. This research project aims to determine whether or not ODOT's current practice of removing the tree canopy from the roadway is necessary. The research should also document the positive and negative effects of canopy on the roadway pavement, safety and maintenance practices. The goal of Phase 1 was to develop a field monitoring plan (to take place in Phase 2) that will: (1) determine the effects of the tree canopy on the pavement, from pavement condition, maintenance and safety perspectives; and (2) document and evaluate the year round effects that tree canopy has on pavement. |
| 状态： | Active |
| 资金： | 348946 |
| 资助组织： | Federal Highway Administration |
| 管理组织： | Ohio Department of Transportation |
| 项目负责人： | Nye, Kelly |
| 执行机构： | Ohio University, Athens |
| 主要研究人员： | Naik, Bhaven |
| 开始时间： | 20170809 |
| 预计完成日期： | 20200909 |
| 实际结束时间： | 0 |
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