Time-Dependent Structural Behavior of Repaired Corroded RC Columns Located in a Marine Site
The chloride corrosion of reinforcing steel in reinforced concrete (RC) structures is a significant reason for premature deterioration and failure of RC structures in aggressive environments such as the Persian Gulf region. This is one of the most important sources of engineering and economic problems in developed countries. So, modeling chloride permeation and investigating different methods for the repair and maintenance of RC structures exposed to corrosive environments are very important for optimizing the service life and life cycle cost of these structures. In this research, a finite element model is applied to assess the time-dependent capacity of corroded RC structures using nonlinear analysis; this includes the impact of corrosion on inelastic buckling and low-cycle fatigue degradation of reinforcements. In this analysis, the influence of shotcrete repair after the initial cracking of concrete cover as a rehabilitation method on the performance of a corroded square RC column due to chloride-induced corrosion is investigated.
Article Type:
Research/Original Article
Journal of Rehabilitation in Civil Engineering, Volume:8 Issue:1, 2019
40 - 49
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