Highway barrier method
First Claim
1. The process of making an energy absorbing roadway barrier for dissipating kinetic energy upon impact by a moving vehicle comprising the steps of:
- forming an elongated core of reinforced high density concrete;
attaching a plurality of elongated core supports and roadway barrier anchor members to said elongated core;
mixing a plurality of lightweight polymer pieces with fiber glass, microsilica, sand, portland cement and water to form a lightweight polymer concrete mixture;
forming an elongated roadway barrier mold of predetermined shape around said elongated core and around each elongated core support and anchor member to provide a molding cavity in which said lightweight polymer concrete mixture is cast; and
curing said mixture cast in said molding cavity to form a roadway barrier member of lightweight polymer concrete around said elongated core, and around each elongated core support and anchor member, said roadway barrier member having said lightweight polymer pieces provided in said concrete for energy and sound absorption by said lightweight polymer concrete, whereby said energy absorbing roadway barrier for dissipating kinetic energy upon impact by a vehicle is made of said lightweight polymer concrete roadway barrier member surrounding said elongated core of reinforced high density concrete.
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Abstract
An energy absorbing roadway barrier for dissipating kinetic energy upon impact by a moving vehicle includes an elongated core of reinforced high density concrete having barrier anchor members attached from the elongated core to a position for anchoring the barrier. An elongated barrier portion is formed around the elongated core and around the core anchor members to form a road barrier. A process of making the energy absorbing roadway barrier for dissipating kinetic energy upon impact by a moving vehicle includes the steps of forming an elongated core of reinforced high density concrete then attaching the plurality of elongated core supports and barrier anchor members to the core then mixing a plurality of lightweight polymer pieces, such as chopped up rubber tire pieces or chopped up or preformed polystyrene pieces with a fiberglass, microsilica, sand, and portland cement and water, then forming the mixture in an elongated barrier mold of a predetermined shape around the elongated core and around each elongated core support anchor member and curing the mixture to form the road barrier.
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Citations
11 Claims
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1. The process of making an energy absorbing roadway barrier for dissipating kinetic energy upon impact by a moving vehicle comprising the steps of:
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forming an elongated core of reinforced high density concrete; attaching a plurality of elongated core supports and roadway barrier anchor members to said elongated core; mixing a plurality of lightweight polymer pieces with fiber glass, microsilica, sand, portland cement and water to form a lightweight polymer concrete mixture; forming an elongated roadway barrier mold of predetermined shape around said elongated core and around each elongated core support and anchor member to provide a molding cavity in which said lightweight polymer concrete mixture is cast; and curing said mixture cast in said molding cavity to form a roadway barrier member of lightweight polymer concrete around said elongated core, and around each elongated core support and anchor member, said roadway barrier member having said lightweight polymer pieces provided in said concrete for energy and sound absorption by said lightweight polymer concrete, whereby said energy absorbing roadway barrier for dissipating kinetic energy upon impact by a vehicle is made of said lightweight polymer concrete roadway barrier member surrounding said elongated core of reinforced high density concrete. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification