荷载对混凝土中钢筋腐蚀影响的研究进展.pdfVIP

学兔兔 2014年第 4期(总第 294期 ) 混 凝 土 理 论 研 究 Number 4 in 2014(Total No．294) Concrete THE0RETICAL RESEARCH doi：10．3969~．issn．1002-3550．2014．04．003 荷载对混凝土中钢筋腐蚀影响的研究进展 刘 浩a，蒋林华a-一，游渌琴a，王永亮a，朱承龙a，李 炜a，刘 蓉a (河海大学 a．力学与材料学院；b．水文水资源与水利工程科学国家重点实验室，江苏 南京 2 1 0098) 摘 要：实际结构往往承受各种荷载的作用，考虑荷载对混凝土结构耐久性的影响是非常必要的。钢筋锈蚀是影响混凝土耐久 性的重要因素之一，研究荷载对钢筋腐蚀的影响对探究服役下钢筋混凝土结构耐久性问题有重要意义。综述了荷载及荷载与其他 因素耦合作用对混凝土中钢筋腐蚀的研究进展，总结了现有的考虑荷载影响的钢筋锈蚀模型，并结合当前研究存在的问题进行 了总结和展望。 关键词：钢筋混凝土；耐久性；钢筋腐蚀；荷载；耦合作用 中图分类号：TU528．01 文献标志码： A 文章编号： 1002—3550(2014)04—0009—04 Research progress on effect of loading on steel corrosion in concrete LIUHaoa,JIANGLinhua ，YOULuchen ，WANG Yonglianga,ZHUChenglonga,LI Wei,LIURong (a．College ofMechanics and Materials，Hohai University； b．State Key Laboratory ofHydrology-Water Resources and Hydraulic Engineering，Hohai University，Nanjing 210098，China) Abstract： Taking the effects of load in the study of the durability of concrete structures into consideration is very essential，because structures always suffer from many forces．The corrosion of reinforcing steels in concrete is one of the vital reason for the deterioration of concrete durability．It is of significance to study the influence of loadingon steel corrosion for the durability of existing RC structures．This paper reviews previous studies carried out to investigate the effects of load and simultaneous load and other factors on the bar corrosion in concrete．Some existing bar corrosion models are also concluded．According to issues in the current research，the trends and prospects are pres