Properties of Hybrid Fiber Reinforced Cement - based Composites

Three-point bending tests and uniaxial tension tests on Hybrid Fiber Reinforced cement-based Composites (HFRCC) were carried out. HFRCC contains both specially-processed steel fiber (steel cord) and synthetic fiber. As the result of the bending tests, it was confirmed that coarse and wide cracks were observed near the notch of the specimens reinforced with only steel cord. On the other hand, HFRCC showed high strength and ductility. Furthermore HFRCC developed in this study showed multiple cracks and pseudostrain hardening under uniaxial tension. Therefore it could be confirmed that HFRCC has a sufficiently high performance to qualify as High Performance Fiber Reinforced Cement-based Composites (HPFRCC) as defined in previous studies.

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