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TUNNEL PORTAL LOUVRE GRID [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2013-12-11

English

Subject field(s)
  • Tunnels, Overpasses and Bridges
DEF

A set of horizontal beams aimed to progressively decrease daylight before the entrance of a tunnel, so as to reduce the black hole effect and limit the power of artificial lighting in the entrance zone.

OBS

tunnel portal louvre grid: term and definition proposed by the World Road Association.

Key term(s)
  • tunnel portal louver grid

French

Domaine(s)
  • Tunnels, viaducs et ponts
DEF

Série de poutres horizontales destinées à réduire progressivement l'intensité de la lumière du jour avant l'entrée [dans un] tunnel, afin de diminuer l'effet de trou noir et de limiter la puissance de l'éclairage artificiel à mettre en œuvre dans la zone d'entrée.

OBS

paralume : terme et définition proposés par l'Association mondiale de la route.

Spanish

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