Abstract
In an effort to better understand the energy required to breach double-reinforced concrete (DRC) walls it was attempted to estimate by numerical simulations the minimum kinetic energy required to perforate a DRC target. To this end, a parametric numerical study was conducted at the U. S. Army Research Laboratory. Large scale, high-fidelity, three-dimensional numerical simulations were conducted using an Eulerian shock physics code considering both eroding penetration and rigid body penetration. The parametric study investigated right cylindrical steel rods with masses of 500–2000 g and length-to-diameter ratios (L/D) of 1–10 impacting with velocities ranging from 500 to 1500 m/s, and perforating rebar reinforced concrete targets with a range of presented areas. This paper explores the numerical simulation results to consider the kinetic energy of perforation of DRC for the described range of conditions. Experimental results from the literature are compared with the numerical results. An empirical fit to the data is reported.
Keywords
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Meyer, C.S. (2016). Ballistic Perforation of Double Reinforced Concrete as a Function of Energy. In: Song, B., Lamberson, L., Casem, D., Kimberley, J. (eds) Dynamic Behavior of Materials, Volume 1. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-319-22452-7_29
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DOI: https://doi.org/10.1007/978-3-319-22452-7_29
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