摘要
混凝土自修复技术在土木工程领域中发挥着重要作用。该技术能使混凝土表面裂缝有效愈合,改善内部结构,提高服役期间的力学性能和耐久性。本文系统介绍了目前国内外关于混凝土损伤自修复领域的研究成果及应用情况;对混凝土自修复技术的原理进行了分类总结;对基于化学原理、物理学原理以及生物学原理的自修复技术进行了阐述和对比,分析了当前混凝土自愈合效果的评价方法,并给出了各自的适用范围;指出了混凝土自修复研究存在的问题,展望了其发展趋势和前景。
Self-healing technology of concrete play an important role in the field of civil engineering,which can effectively heal cracks,improve the internal structure of concrete materials,optimize the mechanical properties and durability during service life.In this article,the research results and applications of self-healing concrete at home and abroad are systematically introduced,the principles of self-healing technology of concrete are classified and summarized,and the self-healing technologies on account of chemical,physical and biological theories are expounded and compared.The evaluation methods of self-healing effect of concrete and their application scope are analyzed.The problems existing in the study of concrete self-healing are pointed out and the development trend and prospect are proposed.
作者
张鹏
冯竟竟
陈伟
刘虎
杨进波
ZHANG Peng;FENG Jingjing;CHEN Wei;LIU Hu;YANG Jinbo(Department of Civil Engineering,Qingdao University of Technology,Qingdao 266033;School of Water Conservancy&Civil Engineering,Shandong Agricultural University,Tai’an 27101;Sanyuan Special Building Materials Co.,Ltd.,Wuhan 430000)
出处
《材料导报》
EI
CAS
CSCD
北大核心
2018年第19期3375-3386,共12页
Materials Reports
基金
国家自然科学基金(51420105015
U1706222
51778309)
"973"计划(2015CB655100)
山东省自然科学基金(ZR2018JL018
ZR2017ZC0737)
高校创新引智基地"111"计划资助项目
关键词
水泥基材料
自修复
裂缝
自修复机理
评价方法
cementitious materials,self-healing,crack,self-healing mechanism,evaluation method
