HYBRID PROPERTIES OF HIGH-PERFORMANCE FIBER-REINFORCED CEMENT COMPOSITES

High-performance fiber-reinforced cement composites (HPFRCCs) are attractive in applied in life-cycle structures. Hybrid properties of HPFRCCs with various fibers was experimentally investigated in this study. Three fibers contains the long and short smooth steel fibers and PE fibers, were blended into paste and mortar reinforced with 1.5% vol. fibers, respectively. Enhancements in mechanical properties including compressive strength and flexural strength, and workability were various for different types of fibers. The results show that for FRCCs with available amount of PE and steel fiber was achieved satisfactory workability. The better compressive strength was obtained at 28 day is 100.5MPa and 95.0MPa for the paste and the mortar, respectively. Incorporation of PE fiber in cement paste led to improvement in flexural strength. Microstructure has indicated effectively dense cementitious composites strong bond between the fibers and the cement paste for both of the mixes.