Embedded-type light

E - Fixed Constructions – 01 – F

Patent

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Details

E01F 9/06 (2006.01) B64F 1/20 (2006.01) B64F 1/36 (2006.01) F21S 2/00 (2006.01)

Patent

CA 2321079

An embedded-type light (1) has a base (3) of a bottomed cylinder embedded in a PC pavement (2) and a light body (5) supported at the top of the base (3) and emitting light outside the pavement surface. Projections (6) are provided on the outer surface of the base (3) so as to bear the load exerted downward on the light body (5) by the PC pavement (2) around the base (3). Thus, the load does not concentrate on the lower portion of the base (3). To alleviate the lack of stress in the PC pavement (2) around the lower portion of the base (3), a cushioning material (7) is provided around the lower edge of the base (3). As a result, the decrease in strength of the PC pavement (2) around the lower portion of the base (3) is suppressed. Therefore the PC pavement around the lower portion of the base is prevented from turning brittle and a hollow in the PC pavement is prevented even if a very heavy load such as an airplane is exerted.

Un feu du type encastrable (1) comporte un socle (3) de cylindre à fond, encastré dans un revêtement en béton armé (2), et un corps de feu (5) reposant sur le sommet du socle (3) et émettant de la lumière à l'extérieur de la surface de revêtement. Des saillies (6) sont prévues sur la surface extérieure du socle (3) de manière qu'elles supportent la charge exercée vers le bas sur le corps du feu (5) par le revêtement en béton armé (2) autour du socle (3). Ainsi, la charge ne se concentre pas sur la partie inférieure de la base (3). Afin de limiter la contrainte dans le revêtement en béton armé (2) autour de la partie inférieure du socle (3), un matériau amortisseur (7) est prévu autour du bord inférieur du socle (3). Ainsi, la réduction de la résistance du revêtement en béton armé (2) autour de la partie inférieure du socle (3) est supprimée. On empêche de cette manière que le revêtement en béton armé autour de la partie inférieure du socle ne se casse et la formation de creux, même en cas de charge lourde exercée par un avion.

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