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混凝土结构的耐久性是指混凝土结构在预定作用和预期的维护与使用条件下,结构及其部件能在预定的期限内维持其所需最低性能要求的能力。影响混凝土耐久性的因素很多,包括水灰比、保护层厚度、密实度等内部因素和温度、湿度、氯离子侵蚀等外部因素。全面分析了各影响因素的作用过程,以在工程实践中予以注意,延长工程的使用寿命。
Durability of concrete structures refers to the ability of a structure and its components to maintain their required minimum performance for a predetermined period of time under the intended and intended maintenance and service conditions. Many factors affect the durability of concrete, including water-cement ratio, protective layer thickness, density and other internal factors and temperature, humidity, chloride ion erosion and other external factors. A comprehensive analysis of the process of the impact of various factors in order to pay attention to the engineering practice, to extend the life of the project.