中文摘要：

随着城市化进程的加快,城市地下结构污染腐蚀耐久性成为工程人员关注的焦点问题。根据大量文献调研,系统总结了国内外地下结构污染腐蚀耐久性研究历史、现状,同时对城市地下结构混凝土、内部钢筋的污染腐蚀机理、试验方法以及耐久性影响因素等重要问题进行了论述。比较和梳理了各种污染介质扩散模型及地下结构腐蚀劣化典型室内试验结果,并对24SO?和Cl?双侵蚀、应力腐蚀、腐蚀疲劳耦合作用下的地下结构耐久性寿命预测理论进行了探讨。列举了两类城市地下工程,继而分析了两类典型城市地下结构的污染腐蚀耐久性响应特性。最后,在已有研究成果基础上分析了城市地下结构污染腐蚀耐久性研究方面存在的问题和不足,并指出和强调今后的研究思路和发展方向,以期更好地推进城市地下工程污染腐蚀耐久性的研究。

英文摘要：

With the speeding up of urbanization, the study on polluted erosive durability of urban underground structures has become the focus of the engineering researchers. Based on a lot of literatures, the worldwide research history and situations of polluted erosive durability of urban underground structures are summarized, and the corrosion mechanism, test methods and influence factors for concrete and reinforcement are discussed. The conclusions of the existing pollution diffusion models as well as some typical laboratory test results about degradation of underground structures are compared, while the life prediction theories of structural durability under coupling action from double corrosion of 2 4 SO ? and Cl? , stress corrosion and corrosion fatigue and the polluted erosive durability characteristics of two kinds of typical urban underground projects are analyzed. Finally, the problems and insufficienly, research thinking and development direction are put forward after summarizing the existing research results so as to promote intensive study on polluted erosive durability of urban underground structures.