一般来说,大坝进入老龄阶段以后,其几何学、物理力学、水利学、热力学、化学等综合特性将随着坝龄的增加而逐渐恶化,直接影响大坝的使用寿命和健康安全运行。本文首先从大坝综合特性随坝龄的变化规律入手,解释了大坝老化的概念,然后对我国现有大坝运行年龄结构进行了统计分析,总结出了大坝老化主要的问题及其带来的后果,提出了系统研究大坝老化的必要性和重要性。 In general, the comprehensive characteristics of geology, physics, mechanics, hydraulics, thermodynamics and chemistry will gradually deteriorate with the increase of dam age after the dam enters into the aging stage, directly affecting the service life and health and safety operation of the dam. In this paper, starting with the changing characteristics of dam’s comprehensive characteristics with dam age, this paper explains the concept of dam aging, and then makes a statistical analysis of the age structure of existing dam operation in our country, summarizes the main problems of dam aging and its belt The consequences of the coming come up with the necessity and importance of systematically studying the dam aging.