E - Fixed Constructions – 01 – F
Patent
E - Fixed Constructions
01
F
E01F 15/06 (2006.01)
Patent
CA 2406361
An improved steel cable suspended energy absorbing and impact attenuating barrier system for use as a motorsports or traffic safety barrier wherein the barrier system comprises a plurality of displaceable, impenetrable barrier sections forming a continuous barrier suspended in a generally vertical configuration with respect to the race track or roadway by a plurality of steel suspending and anchor cables. The steel suspending cables maintain the plurality of impenetrable barrier sections in a specified overlapping manner with respect to the direction of traffic and are held by cable support rings fixed to the barrier sections to have a designated tension or slack per barrier section depending on the desired maximum displacement of the burner sections and are fixed at their terminus to an immovable structure. The plurality of barrier sections are anchored to existing concrete barriers or other structures by means of a plurality of generally horizontal steel anchor cables generally perpendicular to the direction of the steel suspending cables. An energy absorbing medium or media may be positioned in the space between the concrete barriers or other structures and the steel cable suspended impenetrable barrier sections. Because the steel cable suspended energy absorbing and impact attenuating barrier system of this invention is displaceable and not fixed, and comprises overlapping sections to form a continuous barrier rather than a continuous inflexible or non displaceable impenetrable barrier as compared to those of prior art, the present invention offers an improved energy absorbing and impact attenuating response. A further improvement of the present invention is the ability of the barrier system to redirect impacting vehicle or racecars back onto the roadway or racing surface in the direction of traffic resulting from the decreased compressive strength of the trailing segment of the impenetrable barrier sections relative to the leading segment.
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