Resistance of concrete protected by fabric to projectile impact

Resistance of concrete protected by fabric to projectile impact This paper reports on impact behavior of concrete panels protected by Polypropylene and Zylon fabric, respectively. Concrete panels were cast with different thickness and subjected to impact by a steel projectile. The initial and residual velocities were measured experimentally and the energy absorbed by the different concrete panels with and without fabric was calculated. All concrete panels were able to absorb almost all the kinetic energy of the projectiles. For concrete panels protected by fabric scabbing of concrete from the back face was considerably reduced and the debris contained by the fabric. Upper and lower bounds are proposed for energy absorbed per unit thickness and penetration results are compared with the available empirical formulas. It is shown that current penetration equations do not accurately predict impact parameters for concrete protected by fabric. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Cement and Concrete Research Elsevier

Resistance of concrete protected by fabric to projectile impact

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Publisher
Elsevier
Copyright
Copyright © 2006 Elsevier Ltd
ISSN
0008-8846
D.O.I.
10.1016/j.cemconres.2006.09.003
Publisher site
See Article on Publisher Site

Abstract

This paper reports on impact behavior of concrete panels protected by Polypropylene and Zylon fabric, respectively. Concrete panels were cast with different thickness and subjected to impact by a steel projectile. The initial and residual velocities were measured experimentally and the energy absorbed by the different concrete panels with and without fabric was calculated. All concrete panels were able to absorb almost all the kinetic energy of the projectiles. For concrete panels protected by fabric scabbing of concrete from the back face was considerably reduced and the debris contained by the fabric. Upper and lower bounds are proposed for energy absorbed per unit thickness and penetration results are compared with the available empirical formulas. It is shown that current penetration equations do not accurately predict impact parameters for concrete protected by fabric.

Journal

Cement and Concrete ResearchElsevier

Published: Jan 1, 2007

References

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