Vehicle crash barriers

Details Vehicle crash barriers Vehicle crash barriers

E - Fixed Constructions

01

F

91/3

E01F 15/00 (2006.01) E01F 8/00 (2006.01) E01F 15/04 (2006.01)

Patent

CA 1236721

ABSTRACT "Vehicle Crash Barriers" A vehicle crash barrier is designed to provide a progressively increasing resistance to impact. In one embodiment a rail (12) is mounted on upright posts (10) by means of dual connecting elements (13,14) the rear elements (13) being of rectangular box section and relatively stiff while the front elements (14) are of hexagonal cross-section and therefore more easily deformed, Some of the web pairs (16A,16B) of the hexagonal section are inclined to the direction of thrust, In another example the beam assembly includes two rails (20,21) the lower rail positioned forwards of the upper rail and mounted on dual collapsible connections (24,25) while the upper rail (20) is carried by relatively stiff connections (23).

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