Why it is important

Road barriers are tested on ground with specific characteristics: only by reproducing equivalent conditions at the actual site can it be guaranteed that the barrier will behave as expected. Safety, in fact, depends on the interaction between the post and the ground.

How it works

When the ground does not provide sufficient support and the posts are unable to react adequately, A.To.S. provides the necessary resistance. The system transfers the impact stresses to the road sub-base, which has more suitable mechanical properties. In this way, the post is free to flex in the intended area and, thanks to controlled deformation, dissipates the energy of the impact, replicating the behaviour observed during crash tests.

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