Abstract

Ultra-High Performance Concrete (UHPC) is a new class of concrete which shows high strength and durability. In this paper experimental investigations on the dynamic properties of a low-silica UHPC are presented. By means of Hopkinson Pressure Bar experiments the dynamic elastic modulus and the tensile resistance of the material are determined. Additional numerical fracture simulations, based on a cohesive finite element technique, confirm the measured data and illustrate the possibilities to obtain predictive simulations.

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