超高性能混凝土裂缝自愈合研究进展  

Review on Cracks Self-Healing of Ultra-High Performance Concrete

作　　者：郑乔木 何倍 李晨[1] 蒋正武[1] ZHENG Qiaomu;HE Bei;LI Chen;JIANG Zhengwu(Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education,School of Materials Science and Engineering,Tongji University,Shanghai 201804,China)

机构地区：[1]先进土木工程材料教育部重点实验室,同济大学材料科学与工程学院,上海201804

出　　处：《硅酸盐学报》2021年第11期2450-2461,共12页Journal of The Chinese Ceramic Society

基　　金：国家重点研发计划项目(2018YFC0705404);国家自然科学基金资助项目(51878480,52078369);中央高校基本科研业务费专项资金资助。

摘　　要：超高性能混凝土(UHPC)是一种新型的水泥基材料,具有良好的裂缝自愈合潜力。对UHPC裂缝自愈合的研究进展进行了综述,归纳了UHPC基本特性及裂缝自愈合机理,讨论了裂缝自愈合行为对UHPC性能的影响,分析了最新的裂缝自愈合表征技术及自愈合理论模型,总结了目前UHPC裂缝自愈合研究中存在的关键问题,并提出了发展展望。Ultra-high performance concrete(UHPC)is a type of cement-based material with good cracks self-healing potential.This paper reviewed the recent research progress on the cracks self-healing of UHPC.The basic characteristics of UHPC and the mechanism of cracks self-healing were summarized.The effect of cracks self-healing behavior on the performance of UHPC was discussed.The state-of-the-art characterization techniques and the theoretical models of cracks self-healing were analyzed.The major problems existing in the current research on the cracks self-healing of UHPC were summarized,and the development prospects were put forward.

关 键 词：超高性能混凝土 裂缝 自愈合 性能恢复 表征技术 自愈合模型 

分 类 号：TU528[建筑科学—建筑技术科学]