Energy absorption capacity of a sustainable Ultra-High Performance Fibre Reinforced Concrete (UHPFRC) in quasi-static mode and under high velocity projectile impact

摘要: This paper investigates the energy absorption capacity of a sustainable Ultra-High Performance Fibre Reinforced Concrete (UHPFRC) in quasi-static mode and under high velocity projectile impact. The design concrete mixtures aims on achieving densely compacted cementitious matrix with relatively low binder amount, employing modified Andreasen & Andersen particle packing model. experiments UHPFRC are performed using 4-point bending test impact tests. obtained results show that although utilization hybrid steel fibre enhances mechanical properties developed UHPFRC, application fibres hooked ends is crucial improving mode. However, impact, mixture shows much better than one only, particularly resisting scabbing at rear surface. intrinsic mechanisms for studied analysed.