Articles in Taxonomy

Standards support office (“NAN”)

With support from the Belgian Federal Public Service Economy, SMEs, Middle Classes and Energy, BRRC operates a standards support office that goes by the acronym “NAN”. The object is to inform SMEs in the road branch and make them aware of developments in the field of standardization and, where necessary, to offer them additional support in implementing new standards (which are often mandatory).

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BRRC as a sectoral operator for CEN/TCs 226 Road equipment, 227 Road materials and 396 Earthworks

Le 20 mars 2007, le conseil d’administration du Bureau de Normalisation (NBN) a reconnu notre centre de recherche en tant qu’opérateur sectoriel pour les comités techniques européens CEN/TC226 Equipements de la route et CEN/TC227 Matériaux routiers.

Fin 2009, le CRR, conjointement avec le CSTC, a été accepté en tant qu’opérateur sectoriel pour le tout nouveau CEN/TC396 Terrassements.

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European project INTRO (INTelligent ROads) (FEHRL)

The objective of the European project INTRO (Intelligent Roads)was to demonstrate that an efficient application of present information and communication technologies could bring “intelligence” to roads and offers unique opportunities to better manage and maintain the road

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Measurement of the daytime visibility of road markings

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The result of this measurement, daytime visibility, is the luminous intensity from a surface unit of sampled road marking, as perceived by a motorist from a distance of 30 m; it is expressed per unit of illumination of the marking under diffuse lighting conditions. Diffuse lighting can be compared to natural lighting under a clouded sky, or street lighting at night. Daytime visibility is expressed in mcd lx-1 m-2. Typical values for the daytime visibility of new white markings range between 100 and 200 mcd lx-1 m-2. On concrete, which is lighter in colour, usually a higher initial value is required than on asphalt, since not only absolute daytime visibility is important, but also the contrast of the marking with the surrounding road surface. The measuring apparatus available at BRRC is a Qd30 instrument of the DELTA company; it is described in more detail in BRRC’s information leaflet F56.

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Field performance requirements for road markings

Il est important, durant toute la durée de vie du marquage, qu’il:
- ait la bonne couleur (blanc ou jaune en Belgique),
- soit visible en toutes circonstances,
- soit suffisamment rugueux pour éviter que l’on ne glisse sur lui (SRT).

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