EXPERIMENTAL STUDY ON THE IMPACT COMPRESSIVE BEHAVIOR OF REACTIVE POWDER CONCRETE

Impact compressive experiments on reactive powder concrete (RPC) were carried out using split Hopkinson pressure technique. With different steel-fiber contents and different dynamic increase factors (DIF), stress-strain curves, dynamic compressive strength at different strain-rates were obtained. Results show that RPC is strain-rate-dependent, and the introducing of steel-fiber improves the dynamic compressive strength of the RPC partly.