Energy-consuming barrier

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Standard crash barrier.

The energy barrier, the road safety barrier, the road safety barrier - the barrier on the road, to prevent vehicles from leaving the road, which is to increase road safety. Such barriers are usually placed on:

Accidental barriers are usually designed so that the car, after hitting it, "returns" back to the road. This is usually accomplished through supports that are able to stop the collision; However, in some cases such barriers, when struck by a defective structure, tilt and collapse, thus failing to fulfill their role. Traditional barriers can also be a potential danger for motorcyclists who, when colliding with a barrier, usually have no chance of survival, among others. Because of the shredders - most of the metal supports supporting the barriers.

In order to prevent heavy vehicles from falling out of the road, more stable crash barriers have been developed in some countries since the 1990s. These barriers are able to stop vehicles up to 40 tonnes.

There are various types of crash barriers, such as steel or recently introduced steel-wood. Testing of energy-insulating barriers in the most secure manner is described in PN 1317 (parts 1-5). It describes how to conduct tests examining such barrier parameters as:

The Polish version of this standard of August 2001 describing, in a manner consistent with the current state of technical knowledge, testing the suitability of the barriers in road construction is not currently applied by Polish road managers. As of April 2010, Polish regulations use barriers describing protective barriers in accordance with PN-EN 1317. By 2012, only a small number of protective barriers on newly-built roads and engineering facilities meet the requirements of EN 1317. This means that these roads already exist. At the moment they are put into service they are technically obsolete.

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