Shear Behavior of Fiber Reinforced Concrete Beams (original) (raw)

Shear strength of fiber reinforced concrete (FRC) has prime importance in structural design. Concrete members like brackets, corbels and ledger beams may fail in shear. Such failure can be sudden and brittle. The presence of fibers positively affects the behavior of concrete, as it increases the residual shear transfer and reduces the formation and extension of cracks. As many parameters affect it, shear strength of FRC could not be precisely detected. Experimental investigation was carried out to study the shear transfer of un-cracked fibrous concrete. The study investigates the shear strength of FRC beams. The experimental parameters were the type and the percentage of fibers volume fraction and the presence of stirrups in reinforced concrete beams. Test results showed that the presence of fibers resulted in higher values of shear strength, stiffness, ductility and controlled the concrete cracking behavior. Instead of glass fibers, the use of steel fibers improved overall shear be...

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