Examination of Fracture Energy and Crack Distribution in Normal and High Strength Concrete with Steel and Polypropylene Fiber

Today, high performance concrete can be produced as easily as normal strength concrete. Concretes are expected to have ductile behavior and have compressive strength, as well. In the recent years, in order to have ductile behavior, researchers have started to strengthen concrete using fibers and have done lots of researches. In this study, normal and high strength concrete with steel and polypropylene fiber are produced, the compressive strength and the tensile strength in split of these concrete is investigated and the fracture energy and crack distribution of notching samples are examined