详情

Investigation of Pavement Performance in Historically Under-Performing Regions

项目名称：	Investigation of Pavement Performance in Historically Under-Performing Regions
摘要：	Over the last couple of decades ODOT has experienced pavement performance that significantly underperforms statewide averages, in some regions, for decades. These issues were believed to be primarily caused by poor quality aggregate sources in these regions. District 3 (D3) has experienced the worst historical performance, but other districts in the region have experienced similar issues as well. Additionally, many counties adjacent to D3 experience lower performance that is masked when looking at district-wide performance. There have also been complaints of early raveling that may be linked to the same issue. These are likely being exacerbated by other factors such as design practices, poor-quality control, poor construction practices, lack of proper inspection, lack of proper QA, etc. Ohio has very different geology across the State and certain Districts only utilize the local materials within their region. Current aggregate specifications need examined to determine their contribution. As noted below, ODOT has studied these issues in the past and implemented changes to the program that have not resulted in the desired outcome. Due to the cost of pavement performance loss, further research is warranted to determine the root cause(s) of the regional issues and assess the cost/benefit of any potential changes to ODOT standards and specifications. The objectives of this research include the following: (1) Identify the root cause(s) of poor performance trends in regions of Ohio. (2) Determine the financial impact to ODOT of the performance loss. (3) Develop prioritization of root causes. (4) Recommend methods to eliminate root causes or to moderate root cause effects on performance. Consider how the use of new or emerging technologies could benefit current and future root cause elimination efforts. (5) Develop a cost-benefit analysis with a sensitivity analysis for each proposed method. (6) Develop methods to verify the effectiveness of eliminating or controlling those root causes. (7) Recommend the most cost-effective method(s) to handle these issues moving forward. Examples could include; construction specification changes, material specification changes, altering acceptance methods, utilizing new technologies, etc. but should not be limited to these items.
状态：	Active
资金：	400258
资助组织：	Federal Highway Administration
管理组织：	Ohio Department of Transportation
项目负责人：	Spriggs, Jennifer
执行机构：	University of Toledo, Ohio
主要研究人员：	Chou, Eddie Yein Juin
开始时间：	20221005
预计完成日期：	20241005
主题领域：	Construction；Finance；Highways；Materials；Pavements；Planning and Forecasting