Barrier for absorbing very high power bullets and uses thereof
Assignee360° Ballistics, LLC
InventorMark Alan Siver
Life of this patent
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Abstract
This disclosure is directed to an improved ballistic concrete mixture which is operable to be cast in many forms such as blocks. The improved ballistic concrete mixture provides an effective barrier for stopping projectiles with a kinetic energy of between about 1.0 kJ (750 foot-pounds) and 20.3 kJ (15,000 foot-pounds) in between about 3 inches and 10 inches such as a fifty-caliber round. The improved ballistic concrete mixture is useful in the erecting of new structures which need ballistics protection or for retrofitting existing structures with ballistics protection.
Claims19
A bullet-absorbing concrete structure constructed with a concrete mixture comprising:
- (i) about 1 part by mass cement;
- (ii) about 0.8 to 1.2 part by mass fine aggregate;
- (iii) about 0.008 to 0.012 part by mass fiber;
- and
- (iv) air entrainment additive;
- wherein the bullet-absorbing concrete structure is constructed with at least two arms and at least one center stem;
- and
- wherein the concrete mixture is poured at a density of between about 88 and about 90.8 pounds per cubic foot.
A bullet-absorbing concrete structure constructed with a concrete mixture comprising:
- (i) about 1 part by mass cement;
- and
- (ii) about 0.0008 to 0.002 part by mass dry air entrainment additive;
- wherein the bullet-absorbing concrete structure is constructed with at least two arms and at least one center stem;
- wherein the bullet-absorbing concrete structure is capable of stopping a fifty-caliber bullet in less than about 10 inches from a point of entry into the concrete structure;
- and
- wherein the concrete mixture is poured at a density of between about 88 and about 90.8 pounds per cubic foot.
A bullet-absorbing concrete component constructed with a concrete mixture comprising:
- (i) cement;
- (ii) fine aggregate;
- and
- (iii) air entrainment additive;
- wherein the concrete mixture is poured at a density of between about 88 and about 90.8 pounds per cubic foot;
- wherein the bullet-absorbing concrete structure is capable of stopping a fifty-caliber bullet in less than about 10 inches from a point of entry into the concrete structure;
- and
- wherein the bullet-absorbing concrete component is constructed with at least two arms and at least one center stem.
Dependencies are inferred from the claim text.