既有隧道结构混凝土材料性能研究

Research on Concrete Performance of Existing Tunnel

混凝土材料性能劣化是当前隧道结构维护中面临的主要问题,从既有隧道结构维护的角度出发,总结归纳了混凝土碳化和氯离子侵蚀这两种能够影响混凝土材料性能的关键因素的作用机理,并依据工程实践过程,给出了既有隧道结构中混凝土材料性能的鉴定方法。

The material performance degradation mechanisms of carbonization and chloride ion corrosion summarized in this paper. The appraisement method of presented based on the project. of concrete is the main problem for tunnel maintenance. The influencing the material property of concrete significantly are material properties for concrete of existing tunnel structure is