Process for railroad construction on a concrete slab and...

E - Fixed Constructions – 01 – B

Patent

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Details

E01B 37/00 (2006.01) E01B 1/00 (2006.01) E01B 9/40 (2006.01) E01B 29/00 (2006.01)

Patent

CA 2410924

In a method of constructing a rail track on a concrete slab (3), the concrete slab (3) is poured around anchor members (4) for fixing tie plates (5) supporting the rails (2) of the rail track. The method includes the following steps: suspending temporary tie plates (1) at the location where the tie plates (5) supporting the rail track will be mounted, said temporary tie plates (1) supporting anchor members (4) to be partially embedded in concrete (3) and comprising vents (10) for evacuating the air blocked under the inner surface of the temporary tie plate (1) while pouring the concrete slab (3) up to the height of the temporary tie plates (1), removing the temporary tie plates (1) after the drying of the concrete slab (3), and accurately positioning the tie plates (5) supporting the rails (2) in their final position and fixing the tie plates (5) to the anchor members (4).

Procédé de c:onstruction d'une voie ferrée sur une dalle de béton (3), ladite dalle de béton (3) dans lequel la dalle de béton (3) est coulée autour de moyens d'ancrage (4) permettant la fixation de selles (5} supportant les raïls (2) de la voie ferrée, caractérisé en ce qu'il comporte les étapes suivantes - maintien en suspension de selles provisoires (1) à fendrait où devront être placées les selles (5) supportant la voie ferrée, lesdites salles provisoires (1) supportant des ancrages (4) destinés à être partiellement noyés dans le béton (3) et comportant des évents (10) permettant L'évacuation de L'air prisonnier sous la face inférieure de la selle provisoire (1) lors du coulage de la dalle de béton (3), - coulage d'une dalle de béton (3) jusqu'à hauteur des selles provisoires (1), - extraction des selles provïsoïres ( 1 ) après séchage de la dalle de béton (3), - mise en place précise des selles (5) supportant les rails (2) dans leur posïtion finale et fixation des selles (S) sur les d"ancrages (4).

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