Flexural Toughness Characteristics of Fiber Reinforced Concrete According to Fiber Types and Evaluation Method

섬유의 종류 및 휨인성 평가방법에 따른 섬유보강 콘크리트의 휨인성 특성

Nowadays, shotcrete plays an essential part in the construction of underground structures, and fiber reinforcement is so useful for increasing the toughness of the concrete that is spotlighted at tunnel or pavement construction. Therefore, many type of fibers have been introduced on the site and variety of tests have been developed to measure and quantify the improvements achievable in fiber reinforced concrete and shotcrete. Therefore, this study focuses on the flexural toughness according to the fiber types and appraisal methods. The major interests are fiber types, volume fractions and evaluation methods.