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Cement based armor panel system

  • US 8,061,257 B2
  • Filed: 02/27/2009
  • Issued: 11/22/2011
  • Est. Priority Date: 03/03/2008
  • Status: Active Grant
First Claim
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1. A cementitious armor panel system comprising:

  • a frame;

    a blast resistant cementitious panel supported on the frame,the blast resistant cementitious armor panel comprising;

    a reinforcing fiber uniformly distributed within a cementitious core comprising a continuous phase resulting from the curing of a self-leveling aqueous mixture of 25-45 weight % inorganic cement binder,an absence of silica flour,35-65 weight % sand filler having a median particle size of 150-450 microns,5-15 weight % pozzolanic filler having a median particle size of less than or equal to 50 microns,0.25-5.0 weight % polycarboxylate based self-leveling agent, and6-12 weight % water, wherein the weight ratio of water to the combined weight of the inorganic cement binder and pozzolanic filler dry reactive powders is less than or equal to 0.35;

    1.0, anda skin-layer attached to at least one surface of the cured continuous phase.

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