| 摘要 |
A system for protecting persons from impacts against road crash barriers in which the barrier rail has a curved upper part and has protuberances to absorb and decelerate the velocity of the vehicle or accident victim, and the posts supporting the barrier rail are provided with cladding formed of a number of concentric rings of variable thickness and made of material which deforms flexibly and recovers immediately which incorporates a housing designed to fit the post through pressure and a clamping effect in addition to any bar system.
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