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Carbon Fiber Reinforced Polymers (CFRP) widely used for strengthening and retrofitting which repairing of a structural building. This experiment is discussing deflections and cracks pattern to RC Beam strengthening with CFRP (BS 0%) and retrofitting with CFRP (BS 30% and BS 60%) compared with RC Beam (BN). The behavior of BS 30% and BS 60% loaded with initially loading 30% and 60% of ultimate loads and placement CFRP when loading remains. The experiment study about flexural testing to RC Beam. Loading used centered load point. The experimental results explain that CFRP can increase strength. Cracks width BS 0%, BS 30% and BS 60% more larger than BN. The Strength of BS 0% is the highest, and it investigated that strengthening more effective than retrofitting.

Deflections and Cracks Pattern of RC Beams Strengthened By CFRP