Research Article

A Modified Model for Deflection Calculation of Reinforced Concrete Beam with Deformed GFRP Rebar

Table 2

Result of experimental test of GFRP bar reinforced concrete beams.

SpecimenReinforcement ratio (balanced)Average load at initial cracking (kN)Average load at ultimate state (kN)Average deflection at ultimate state (mm)Nominal moment (exp.) (kN⋅m)Nominal moment (cal.) (kN⋅m)Mode of failure

FB-10.00427
(0.0069)
12.054.434.418.613.6FRP rupture
FB-20.0064
(0.0069)
10.064.839.122.219.9Compression tension
FB-30.00903
(0.0069)
12.074.026.625.421.0Concrete crushing