详情

Enhancing the Durability of Bridge Decks by Incorporating Microencapsulated Phase Change Materials (PCMs) in Concrete

项目名称：	Enhancing the Durability of Bridge Decks by Incorporating Microencapsulated Phase Change Materials (PCMs) in Concrete
摘要：	In Rhode Island and other New England states, combined effects of freeze-thaw-induced damage and chloride ingress (from deicing salts) make it very challenging to maintain the quality of concrete on bridges and road surfaces. This project will develop, evaluate, and assess the feasibility of incorporating microencapsulated phase change materials (PCMs) into the concrete to reduce freeze-thaw/chloride ingress-induced degradation. Under freezing ambient conditions, when PCMs freeze, they release a large amount of heat that helps keep the deck/pavement warmer. As a result, PCMs can reduce the number of freeze-thaw cycles in bridge decks which can lead to a significant reduction in damage/ingress of salt and an increase in life expectancy. In this project, a series of comprehensive experiments will be performed to evaluate the influence of PCM-incorporated concrete overlays on the freeze-thaw damage response and durability of concrete against chloride ingress. Moreover, the experimental results will be synergistically integrated with a robust performance prediction tool to enable efficient design of PCM concrete overlays specifically targeted for winter weather conditions in Rhode Island and other northeastern states.
状态：	Active
资金：	350427
资助组织：	Transportation Infrastructure Durability Center<==>Office of the Assistant Secretary for Research and Technology<==>University of Rhode Island, Kingston
项目负责人：	Dunn, Denise E
执行机构：	Transportation Infrastructure Durability Center<==>University of Rhode Island, Kingston
开始时间：	20210715
预计完成日期：	20230930
主题领域：	Bridges and other structures；Maintenance and Preservation；Materials；Pavements