Anchorage Zone Reinforcement of Post-Tensioned Box Girder Bridges
| 项目名称： | Anchorage Zone Reinforcement of Post-Tensioned Box Girder Bridges |
| 摘要： | Adequate anchorage zone performance is critical to the proper performance of post-tensioned bridges. Sufficient reinforcement is important to distribute the forces in the anchorage zone region. The last substantial experimental research on post-tensioned concrete anchorage zones was the National Cooperative Highway Research Program (NCHRP) 10-29 in 1994. California Department of Transportation (Caltrans) has implemented a design procedure in Memo to Designers 11-25 for anchorage zone design. However, experience on recent construction projects has shown that current detailing methods can lead to highly congested reinforcement in anchorage zones. The objective of this project is to develop and validate an efficient, yet safe design procedure for anchorage zones. The proposal is a combination of analytical work that will focus on the 3-dimensional (3D) spreading that occurs in box girder bridge anchorage zones and experimental work. The experimental work will include both large-scale tests of the anchorage zone in the laboratory and four field instrumentation sites. |
| 状态： | Active |
| 资助组织： | California Department of Transportation |
| 项目负责人： | Lee, Peter |
| 执行机构： | University of Nevada |
| 开始时间： | 20140101 |
| 预计完成日期： | 20171101 |
| 主题领域： | Bridges and other structures；Construction；Highways |
相关文献
- Synthesis of Information Related to Highway Practices. Topic 51-14. Repair and Maintenance of Post-Tensioned Concrete Bridges
- Proposed AASHTO Guidelines for Adjacent Precast Concrete Box Beam Bridge Systems
- Post Tensioned Box-Girder Deck Replacement Method
- Design and Construction Specifications for Bonded and Unbonded Post-Tensioned Concrete Bridge Elements
- Corrosion Evaluation of Post-Tensioned Tendons Embedded in Concrete Bridges
- Bond Performance of Post-tensioning Tendons with Corrosion Inhibitor
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