Date of Award


Document Type


Degree Name

Master of Science in Engineering (MSE)


Civil and Environmental Engineering

Committee Chair

Houssam Toutanji

Committee Member

Ashraf Al-Hamdan

Committee Member

Hongyu Zhou


Carbon fibers, Fiber-reinforced polymers, Concrete beams--Testing


Carbon fiber reinforced polymer (CFRP) composites have proven to be an effective method of rehabilitating reinforced concrete (RC) structures damaged from fatigue loading. To efficiently and effectively employ this remedial technique, the effects of fatigue damage on RC beams strengthened with CFRP needs to be understood and predictable. The purpose of this study is to investigate the effects of different beam criteria on the fatigue life of strengthened RC beams. An extensive experimental beam database was collected from available literature. The results indicate that steel stress is the primary failure mode under fatigue loading. The data was analyzed to determine the effects of corrosion, u-wrapping, anchorage, pre-damage, and near surface mounted (NSM) CFRP on the fatigue life of strengthened RC beams. A fatigue life prediction model is proposed to predict the fatigue behavior of RC beams strengthened with externally bonded CFRP. Validation of the model was also made.



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