Abstract:Mode I1 fracture toughness of hybrid fiber reinforced concrete HFRC has been experimentally investigated. The effect of crack length to depth ratio, a\w, was studied. The mechanical properties of different hybrid fiber reinforced concretes were deteimined in an attempt to relate the parameters of concrete type to its fracture toughness. Three different fiber types (steel "S", glass "G" and polypropylene "PF"') were used. The volume fraction Vf was kept constant equal to 1.5% for all FRCs with different configu… Show more
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