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Blastwall Effects on Down Range Explosively-Induced Overpressure

[+] Author Affiliations
Dale S. Preece, W. Venner Saul

Sandia National Laboratories, Albuquerque, NM

Paper No. PVP2003-1826, pp. 133-138; 6 pages
doi:10.1115/PVP2003-1826
From:
  • ASME 2003 Pressure Vessels and Piping Conference
  • Problems Involving Thermal Hydraulics, Liquid Sloshing, and Extreme Loads on Structures
  • Cleveland, Ohio, USA, July 20–24, 2003
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-1695-8
  • Copyright © 2003 by ASME

abstract

Blastwalls are often assumed to be the answer for facility protection from malevolent explosive assault, particularly from l arge v ehicle b ombs (LVB’s). The assumption is made that the blastwall, if it is built strong enough to survive, will provide substantial protection to facilities and people on the side opposite the LVB. This paper will demonstrate through computer simulations and experimental data the behavior of explosively induced air blasts during interaction with blastwalls. It will be shown that air blasts can effectively wrap around and over blastwalls. Significant pressure reduction can be expected on the downstream side of the blastwall but substantial pressure will continue to propagate. The effectiveness of the blastwall to reduce blast overpressure depends on the geometry of the blastwall and the location of the explosive relative to the blastwall.

Copyright © 2003 by ASME

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