FOAMED GLASS COMPOSITE MATERIAL AND A METHOD FOR USING THE SAME
First Claim
Patent Images
1. A method of slowing an aircraft overrunning a runway, comprising:
- a) paving an area immediately beyond the end of a runway with foamed glass bodies to define a bed;
b) covering the bed with a layer of cementitious material to define a composite bed; and
c) crushing at least a portion of the composite bed with an oncoming aircraft, wherein crushing the at least a portion of the composite bed removes kinetic energy from the oncoming aircraft to slow the oncoming aircraft;
wherein the composite bed is generally resistant to fire.
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Abstract
A method of slowing an aircraft overrunning a runway, including paving an area immediately beyond the end of a runway with foamed glass bodies to define a bed, covering the bed with a layer of cementitious material to define a composite bed, and crushing at least a portion of the composite bed with an oncoming aircraft, wherein crushing the at least a portion of the composite bed removes kinetic energy from the oncoming aircraft to slow the oncoming aircraft. The composite bed is generally resistant to fire.
18 Citations
24 Claims
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1. A method of slowing an aircraft overrunning a runway, comprising:
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a) paving an area immediately beyond the end of a runway with foamed glass bodies to define a bed; b) covering the bed with a layer of cementitious material to define a composite bed; and c) crushing at least a portion of the composite bed with an oncoming aircraft, wherein crushing the at least a portion of the composite bed removes kinetic energy from the oncoming aircraft to slow the oncoming aircraft; wherein the composite bed is generally resistant to fire. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of making a foamed glass engineered material arresting system for airports, comprising:
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a) heating glass frit to a temperature of between about 1500 degrees Fahrenheit and about 1900 degrees Fahrenheit; b) softening the frit to define a viscous glass material; b) foaming the viscous glass material to yield a foamed glass body; c) cooling the foamed glass body; d) positioning the foamed glass body in a bed located adjacent an airport runway; and e) at least partially surrounding the foamed glass body with a structural matrix material to define a composite bed portion. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A runway safety area positioned adjacent a runway, comprising:
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a plurality of foamed glass bodies; and a cementitious matrix covering and at least partially surrounding the respective foamed glass bodies and defining a runway safety area; wherein the runway safety area has a principal compressive failure mode of crushing; wherein the runway safety area will preferentially crushingly fail instead of slide over itself under the compressive and torsional loads produced by an aircraft rolling over the runway safety area. - View Dependent Claims (22, 23, 24)
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Specification