Experimental Study on the Properties of Basalt Fiber Reinforced Concrete

현무암 섬유 보강 콘크리트의 물리적 특성에 관한 실험적 연구

Fibers have been used to improve the tensile strength or toughness of concrete. Therefore many different kinds of fibers have been developed and tested to reinforcing concrete. Basalt fiber is one of the recently developed materials for this purpose. Basalt fibers have the advantage which is the fiber itself is a same kind of material as concrete. In this study, fiber length change, orientation of fiber, the strength properties of fiber reinforced concrete have been tested. The test result show that as the amount of fiber increases, 1) workability of concrete has been reduced significantly, 2) the length of fiber reduced down to less than 4mm, 3) orientation factors are between 0.248 and 0.350, 4) compressive strength and elastic modulus have been increased significantly, however, the other strength have not increased significantly.