Abstract
Finite-element analysis (FEA) and an analytical model were used to estimate the ultimate flexural strength of reinforced concrete (RC) beams with corroded compression bars. Both models accounted for the deteriorated material's properties and geometry. The two models were verified against available experimental data and both showed good agreement. The analytical model was employed to study the effects of corrosion length, corrosion level, concrete compressive strength and concrete cover on the ultimate flexural strength of RC beams. Over 670 cases were investigated to estimate the influence of these variables on the ultimate flexural strength of RC beams with corroded compression steel reinforcement. The results of this investigation suggest that corrosion of compression steel reinforcement leads to a maximum flexural strength reduction of 20%, of which roughly 15% is due to spalling of the concrete cover on the compression side of the cross-section.
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Schedule a callMore From: Proceedings of the Institution of Civil Engineers - Structures and Buildings
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