Concrete Overlay Performance on Iowa's Roadways, TR-698
| 项目名称： | Concrete Overlay Performance on Iowa's Roadways, TR-698 |
| 摘要： | The objective of this study is to develop a report on the performance of concrete overlays in Iowa. Concrete overlays have been constructed on Iowa roadways since 1960. The performance of concrete overlays on the state system is well documented based on Iowa Department of Transportation (DOT) data collected using automated approaches from the 1990's. In addition, the Iowa DOT began collecting automated distress and condition data for all public roads including local streets in 2013. The Iowa Concrete Paving Association (ICPA) maintains a comprehensive list of all of the concrete overlays constructed in Iowa. By combining the information from the Iowa DOT and ICPA, it is now possible to assess the performance of concrete overlays on the whole system. It is planned that a database of the existing overlays and their performance will be developed and made available to agencies in the state. The research report developed will include causes of failure and reasons for success along with lessons learned. This will allow cities, counties, and Iowa DOT easy access to information on the type of overlay they are considering and to review the particulars on each type of overlay prior to deciding which fits their need. |
| 状态： | Completed |
| 资金： | 104773 |
| 资助组织： | Iowa Highway Research Board |
| 项目负责人： | Goetz, Vanessa |
| 执行机构： | Iowa State University |
| 主要研究人员： | Taylor, Peter C |
| 开始时间： | 20151101 |
| 预计完成日期： | 20190430 |
| 实际结束时间： | 0 |
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