Abstract
The dynamic performance of reactive powder concrete (RPC) has led to the corresponding rapid adoption from many industries. RPC exhibits ultra-high strength, improved energy absorption and ductility, proving to be an ideal material for high-energy dynamic load resistance, such as impacts and blasts. Recent studies have demonstrated the effect of strain rate on the mechanical response of RPC under dynamic compression through split Hopkinson pressure bar (SHPB) utilization. Dynamic increase factors for ultimate strength, modulus of elasticity, energy absorption, stress-strain models, as well as a variety of mechanical properties of RPC under compression have also been reported. In this paper, a review of these studies and an analysis of the presented data have been described. Overall, data from existing literatures have demonstrated that in the existing models, the effects of several factors, such as specimen size and fiber content, on the dynamic compressive performances of RPC have been ignored. Specifically, the existing models have limitations and cannot be widely utilized. To surpass these limitations, sufficient amounts of data were collected and through additional factor considerations, improved models with wide application range and higher accuracy have been proposed.
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