Vehicle crash barrier

Details Vehicle crash barrier Vehicle crash barrier

E - Fixed Constructions

01

F

E01F 15/00 (2006.01) E01F 15/14 (2006.01)

Patent

CA 2067415

An energy-absorbing crash barrier is provided with multiple energy-absorbing elements. Each element includes an expanded metal sheet formed as a tubular column which is internally braced with foam. In some of the sections multiple metal columns are provided, one eccentrically positioned within the other. The expanded metal columns provide the major energy- absorbing elements of the barrier, and the eccentrically positioned columns define a preferred bending direction which tends to redirect an axially impacting vehicle away from a hardpoint. The columns in the individual elements are graduated in axial stiffness such that a forward section tends to collapse before the rearward sections, thereby providing staged collapse.

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