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酸性环境对钢筋混凝土结构具有较强的腐蚀作用 ,长期作用下 ,结构的安全性将由于结构的腐蚀损伤而降低 .针对酸性环境下钢筋砼受弯构件进行了整体加速腐蚀试验研究 ,验证了已有钢筋混凝土结构的基本腐蚀理论 ,分析了不同类型、不同浓度酸性介质对结构的腐蚀作用及结构的基本腐蚀损伤过程 ,确立了结构中钢筋腐蚀电流密度随结构服役时间的变化性 ,为建立结构的腐蚀速率模型提供了基本的数据 ,并为进一步分析受腐蚀结构的耐久性提供依据
Under the long-term action, the safety of the structure will be reduced due to the corrosion damage of the structure.According to the accelerated corrosion test of reinforced concrete flexural members in acidic environment, the results show that There is a basic theory of corrosion of reinforced concrete structures, the corrosion effects of different types and concentrations of acidic medium on the structure and the basic corrosion damage process of the structure are analyzed, and the variability of the corrosion current density of the steel with the service life of the structure is established. In order to establish the structure The corrosion rate model provides basic data and provides a basis for further analysis of the durability of the corroded structure