摘要
渗透结晶水泥基复合材料具有良好力学性能、耐久性能与自修复性能,是一种具有发展潜力的低碳建筑材料。渗透结晶剂中的活性化学物质可通过渗透和结晶反应产生晶体,具有修复水泥基复合材料裂缝的功能,在隧道、桥梁、水坝等工程上具有广阔的应用前景。本文首先介绍了渗透结晶水泥基复合材料的原材料、配比、制备与养护;其次介绍了渗透结晶剂对水泥基复合材料力学性能和耐久性能的影响;再次评价了其自修复性能与影响因素,分析了自修复产物及机理;最后,探讨了其未来的研究方向。
As potential low carbon building materials,cementitious composites with permeable crystalline agent have good mechanical properties,durability and self-healing properties.Permeable crystalline agent can generate crystals by means of the permeation and crystallization of its internal active chemicals,which can fill the cracks.Thus,permeable crystalline agent has a broad application prospect in tunnels engineering,bridges engineering,dams engineering and other engineering structures.This paper first introduces the raw materials,mix proportion,preparation and curing methods of cementitious composites with permeable crystalline agent.Then,the effects of permeation crystallization agent on the mechanical and durability of cementitious composites are reviewed.Self-healing properties,products and mechanisms are summarized and analyzed.Finally,the future research direction of cementitious composites with permeable crystalline agent is discussed directions in order to promote the research and engineering applications of cementitious composites with permeable crystalline agent.
作者
张立卿
余家乐
王云洋
韩宝国
陈梦成
许开成
ZHANG Liqing;YU Jiale;WANG Yunyang;HAN Baoguo;CHEN Mengcheng;XU Kaicheng(State Key Laboratory of Performance Monitoring and Protecting of Rail Transit Infrastructure,East China Jiaotong University,Nanchang 330013,China;School of Civil Engineering and Architecture,East China Jiaotong University,Nanchang 330013,China;School of Civil Engineering and Architecture,Hunan University of Arts and Science,Changde 415000,Hunan,China;School of Civil Engineering,Dalian University of Technology,Dalian 116024,Liaoning,China)
出处
《材料导报》
EI
CAS
CSCD
北大核心
2024年第13期118-133,共16页
Materials Reports
基金
国家自然科学基金地区项目(51968021)
江西省科技厅面上项目(20224BAB204067)
江西省交通运输厅科技项目(2022H0017)
华东交通大学轨道交通基础设施性能监测与保障国家重点实验室自主课题(HJGZ2022201)。
关键词
渗透结晶剂
水泥基复合材料
力学性能
耐久性能
自修复性能
自修复机理
permeable crystalline agent
cementitious composites
mechanical property
durability
self-healing property
self-healing mechanism
