Development of Ballast Real Time Information System (BRIS) Based on "SmartRock"
| 项目名称： | Development of Ballast Real Time Information System (BRIS) Based on "SmartRock" |
| 摘要： | This project studied an innovative concept for introducing, monitoring, and adjusting prestress forces within concrete crossties in the field using �Adaptive Prestressing System (APS)�. The new concept is designed to address problems associated with varying support conditions and high prestress force (e.g. splitting cracks). With the use of a fuse made of innovative prestressing materials, named shape memory alloys (SMA), APS is designed to introduce prestress in specific areas of concrete as needed in the required region. The project: (1) examined the concept of using APS in crossties using finite element analysis, (2) conducted material testing and characterization on various components of the APS, and 3) conducted 1/2-scale testing of crosstie equipped with APS. The project objective was to help improve the safety, efficiency, and performance of railroad tracks by providing an easy, reliable, and cost-effective solution for the severe concrete crosstie cracking problems attributed to under- or over-stressing of crossties due to variations in loading, support, and climate conditions. |
| 状态： | Completed |
| 资金： | 100000 |
| 资助组织： | Safety Innovations Deserving Exploratory Analysis (IDEA) |
| 项目负责人： | Fitzpatrick, Velvet |
| 执行机构： | Pennsylvania State University |
| 主要研究人员： | Huang, Hai |
| 开始时间： | 20161208 |
| 预计完成日期： | 20200123 |
| 实际结束时间： | 20200123 |
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