Flexural behaviour of RCC beam reinforcement with GFRP bar and steel bar
T. Suresh Babu
Professor&head of Civil engineering department, Visvodaya engineering college, kavali,india , IN
Avinash Buchi
Professor&head of Civil engineering department, Visvodaya engineering college, kavali,india , IN
Keywords: flexural behaviour, deflection, crack pattern, load –deflection, GFRP bar
Abstract
The experimental study of flexural behaviour of RCC beams reinforcement with glass fiber reinforced polymer (GFRP) bars and steel bars. A total four RCC beams were tested. The size of beam is (1.5x0.15x0.15) m. Two beams were used reinforcement as GFRP bars in tension zone with M20 and M25 grade of concrete and remaining two beams with steel bars as reinforcement in tension zone with M20 and M25 grade of concrete. The test is conducted on universal testing machine under two-point loading with simply supported condition. The glass fiber reinforced polymer has low elasticity and lower stiffness than the steel reinforcement. The failure of GFRP bar is linear. Experimental results indicates the load deflection for the beam specimen’s and crack pattern of the beams.
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