Abstract

Through the bending fatigue load test and static load test on concrete specimens in a chloride environment, we, in this research, studied the law of chloride ion diffusion in concretes under the coupled effect of bending fatigue load and chloride. The results showed that the concrete chloride ion diffusion coefficient was higher under bending fatigue load than that under static load at the same load level. When the load level was greater than 47%, the amplification was very obvious. Under the coupled effect of bending fatigue load and chloride, the service life of the concrete structure would be greatly shortened.

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