Metal Culvert Repair with Fiber Reinforced Concrete
| 项目名称： | Metal Culvert Repair with Fiber Reinforced Concrete |
| 摘要： | Rehabilitation of corrugated metal pipe culvert inverts - the portion of the structure that typically exhibits the most deterioration with age - using concrete is a viable and cost-effective treatment. Currently, a thickness of 4 inches of concrete is added to the invert of the culvert to provide the needed 2-in cover for the welded wire mesh. This added depth in certain cases may significantly alter the natural hydrology of the waterway and create a physical barrier to aquatic organisms. One approach to minimizing the thickness of culvert repair material is to use fiber-reinforced concrete with or without additional biaxial geogrid material for strengthening. This study will analyze the performance of fiber reinforced concrete, in the form of prepared cloth and cast-in-place concrete, for culvert repairs. The results of the study are expected to provide material properties and placement procedures that will be incorporated into a Virginia Department of Transportation (VDOT) special provision for rehabilitating the inverts of metal culverts with concrete. |
| 状态： | Active |
| 资金： | 250000 |
| 资助组织： | Virginia Transportation Research Council |
| 执行机构： | Virginia Transportation Research Council |
| 主要研究人员： | Ozyildirim, Celik |
| 开始时间： | 20170201 |
| 预计完成日期： | 20200731 |
| 实际结束时间： | 0 |
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