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Effect of reinforcement pattern on the ballistic performance of reinforced concrete targets: numerical study

Effect of reinforcement pattern on the ballistic performance of reinforced concrete targets:... The ballistic performance of reinforced concrete (RC) slabs with various reinforcement patterns due to impact by a rigid missile is studied. Series of missile impact simulations on reinforced concrete targets with unconfined compressive strength of 30 MPa, 40 MPa and 50 MPa are carried out to understand the influence of reinforcement incorporated inside the concrete. The square plates of 1500 mm length and 180 mm thickness, reinforced with 12 mm bars @ 100 mm c/c as main reinforcement and 10 mm bars @ 100 mm c/c as shear reinforcement, are subjected to the normal impact of the hard missile with a diameter of 80 mm, length of 300 mm and mass 11.75 kg. The initial velocities of projectiles varied between 100 and 200 m/s. LS DYNA simulations are performed to evaluate the penetration depth and residual velocities due to impact for Single Mat RC, Double Mat RC, Double Mat with Shear RC, Single Laced RC & Double Laced RC slabs. Based on simulation results, a reduction in penetration depth and residual velocity due to the confinements and impact velocity are observed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Asian Journal of Civil Engineering Springer Journals

Effect of reinforcement pattern on the ballistic performance of reinforced concrete targets: numerical study

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References (21)

Publisher
Springer Journals
Copyright
Copyright © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
ISSN
1563-0854
eISSN
2522-011X
DOI
10.1007/s42107-023-00587-4
Publisher site
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Abstract

The ballistic performance of reinforced concrete (RC) slabs with various reinforcement patterns due to impact by a rigid missile is studied. Series of missile impact simulations on reinforced concrete targets with unconfined compressive strength of 30 MPa, 40 MPa and 50 MPa are carried out to understand the influence of reinforcement incorporated inside the concrete. The square plates of 1500 mm length and 180 mm thickness, reinforced with 12 mm bars @ 100 mm c/c as main reinforcement and 10 mm bars @ 100 mm c/c as shear reinforcement, are subjected to the normal impact of the hard missile with a diameter of 80 mm, length of 300 mm and mass 11.75 kg. The initial velocities of projectiles varied between 100 and 200 m/s. LS DYNA simulations are performed to evaluate the penetration depth and residual velocities due to impact for Single Mat RC, Double Mat RC, Double Mat with Shear RC, Single Laced RC & Double Laced RC slabs. Based on simulation results, a reduction in penetration depth and residual velocity due to the confinements and impact velocity are observed.

Journal

Asian Journal of Civil Engineering – Springer Journals

Published: Sep 1, 2023

Keywords: RC slabs; Rigid missile; Penetration depth; Residual velocity; LS Dyna

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