https://orcid.org/0000-0002-0289-1949
Abstract
To predict the failure lifetime of reinforced concrete, a current accelerating corrosion test was performed on concrete by simulating the environment in an area with saline soil. To study the concrete’s process of deterioration under these conditions, this study selected the corrosion current density of the steel bars and the ultrasonic velocity of the concrete as the main factors in accelerated corrosion degradation. Then, by using the Weibull distribution function to model the degradation process, the study obtained the reliability function of the accelerated failure. The results showed that the corrosion current density of the steel bars and the ultrasonic velocity of concrete can be used as degradation factors of reinforced concrete, but the corrosion current density is more stable, which is propitious for modeling. Further, the Weibull distribution function can describe the durability degradation process of reinforced concrete effectively. Because of the high content of corrosive ions in saline soil, the reinforced concrete cover fails first.
Issue Section:
Technical Papers
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