Articles in Taxonomy

European standards for surface dressings and slurry surfacings

The European standards for surface dressings (EN 12271 Surface dressing – Requirements) and slurry surfacings (EN 12273 Slurry surfacing – Requirements) have been approved by CEN working group TC227/WG2. One of the prominent features of these standards is that they set performance requirements rather than prescribing “recipes”. For some requirements the standards leave a number of options to the countries themselves.

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About "Standardization – Certification – Regulation"

For many years the Belgian Road Research Centre (BRRC) has initiated, or been a major participant in, Belgian mirror groups, European working groups and international pre-normative comparative research with a view to developing or steering new technical specifications and certification by the European Committee for Standardization (CEN) and the International Institute for Standardization (ISO).

Road Equipment Commission (REC-E226)

The publication of the European Construction Product Directive in 1989 marked the beginning of the gradual introduction of European standardization. European standards are to replace existing Belgian standards, or at least require them to be thoroughly revised. By affixing a CE mark, the manufacturer declares that the performance characteristics of his product have been determined by the appropriate European standard and that measures have been taken for the product to continue meeting these declared characteristics.

As the actors in the road equipment branch were concerned about the impact of this European standardization, a steering committee on European standardization in the road equipment branch was formed at BRRC in the spring of 2003. The first task of this committee was to increase the awareness of, and disseminate information to, the various actors in the field: road authorities, manufacturers, specialized institutions, etc. For that purpose, a series of thematic sessions on the standardization and CE marking of road equipment was held in March 2004.

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Passively safe support structures for road equipment

A little less than 40 % of all road fatalities result from collisions with roadside obstacles. Collisions with such isolated obstacles are about twice as lethal as on average and cause 1.6 times more serious injuries as on average. Natural obstacles (such as trees) are by far the largest group. Additionally, considerable numbers of lives are lost in collisions with lighting columns and other road equipment.
Collisions with lighting columns and other robust support structures account for slightly less than 10 % of the total number of road deaths. Yet for lighting columns and for sign or signal poles there are alternatives that are not inferior in functionality to conventional rigid structures. This makes a major difference for the occupants of a passenger car running into such a support structure.

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Geometric inspection of raised traffic calming devices on public highways: road humps

Raised traffic calming devices (road humps) which are meant to reduce the speed of traffic on public highways to a maximum of 30 km/h have to meet the siting conditions and technical specifications laid down in the royal decree of 3rd May 2002, which has amended a previous royal decree of 9th October 1998. The changes introduced by the new decree consist mainly of tolerances in dimensions.

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