The Government of Canada’s terminology and linguistic data bank.

ENROBE OUVERT [1 record]

Record 1 2012-08-27


Subject field(s)
  • Road Construction Materials

An asphalt mixture of the gap-graded type designed to have a very high content ... of interconnected voids so as to facilitate the passage of water.


... an open-graded HMA [hot mix asphalt] mixture is designed to be water permeable. Open-graded mixes use only crushed stone (or gravel) and a small percentage of manufactured sands.


porous asphalt; draining asphalt: terms and definition proposed by the World Road Association.


  • Matériaux de constr. (Voies de circulation)

Enrobé à granularité discontinue formulé pour obtenir un pourcentage [...] important de vides communicants pour permettre le passage de l'eau.


On distingue les «enrobés ouverts» à fort pourcentage de vides, donc perméables, et les enrobés denses, dont les bétons bitumineux, dans lesquels la teneur en filler peut atteindre de 5 à 10 % et la teneur en bitume de 5 à 6 %.


enrobé ouvert; enrobé drainant : termes et définition proposés par l'Association mondiale de la route.


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