Fatigue Behavior of Corroded Reinforced Concrete Beams-a Review

Abstract:

Reinforced concrete (RC) structures are widely used in civil engineering for their merits. A good-quality concrete provides a highly alkaline environment that forms a passive film on reinforcement surface, preventing steel bars from corroding. Due to chloride attack or concrete carbonization, corrosion of embedded reinforcement in concrete members is common for RC structures. Much importance should be attached to the fatigue of corroded concrete bridges because they bear not only static loads but also alternate loads. Followed along with the aging of bridge structures, the increase of traffic volumes, the augment of vehicle loads as well as the deterioration of service environment, many corroded concrete bridges are urgently needed security appraisal and residual fatigue life forecast. Fatigue of corroded RC beams is a key problem for the existing corrosion-damaged concrete bridges. But the interrelated research was little. Based on the most new study information, the production on fatigue of corroded concrete beams was listed and analyzed, and the problems on fatigue of corroded concrete beams were indicated.

• Periodical: Applied Mechanics and Materials (Volumes 94-96)
• Pages: 1523-1526
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.94-96.1523
• Online since: September 2011
• Authors: Shi Bin Li, Hong Wei Tang, Xin Wang
• Keywords: Analysis, Concrete Beam, Fatigue, Reinforcement Corrosion, Status Quo

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DOI: 10.1061/47625(404)22