裂缝对混凝土中氯离子传输的影响的研究进展  

Recent developments on effect of cracking on chloride transport in concrete

作　　者：朱承龙[1] 蒋林华[1] 李炜[1] 刘浩[1] 王永亮[1] 

机构地区：[1]河海大学力学与材料学院,南京210098

出　　处：《混凝土》2014年第5期19-22,26,共5页Concrete

基　　金：国家自然科学基金资助项目(51278167;51278168)

摘　　要：氯离子侵蚀是影响钢筋混凝土耐久性的重要因素,而实际工程中无法避免的裂缝对氯离子的传输具有显著影响。综述了近年来在裂缝宽度、深度、长度和裂缝面积以及裂缝密度等参数对混凝土中氯离子传输的影响的研究进展,对存在的相关问题进行了讨论,并对需要进一步研究的问题提出了建议。Chloride ingress is an important factor affecting the durability of reinforced concrete.The cracks which is inevitable in the ac- tual projects have significant effect on chloride transport in concrete.In this paper, recent studies on the effects of cracking width, depth, length, cracking area and cracking density on the transport of chloride in concrete were reviewed. Some issues in the current research were discussed and some aspects for the further studies were proposed.

关 键 词：混凝土 裂缝 氯离子 传输 

分 类 号：TU528.01[建筑科学—建筑技术科学]