Abstract
Slurry infiltrated fibrous concrete (SIFCON) is a form of superior performance fiber reinforced concrete made by penetrating steel fiber bed with an exceptionally designed slurry of cement-based. Researches have demonstrated that SIFCON is an imaginative building material having both extensive ductility and high strength. In the current study, the use of SIFCON has been investigated as a strengthening layer for conventional concrete section. The effects of the SIFCON layer position (bottom, top & bottom, and jacket), thickness (1.5, 2.5, and 3.5) cm, and steel fiber volume fraction (6, 7.5, and 9) % on the flexural strength, toughness, and ductility of hybrid prisms were reported. The results showed that the increase in thickness of the SIFCON layer and the steel fiber volume fraction improves load bearing capacity, toughness, and ductility of the composite sections. The maximum ductility and load carrying capacity achieved from the jacketing case. Also, the toughness enhanced greatly in the case of jacketing composite section, it was 23 times higher than that of control prisms.
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