Improved exodermic deck system

Details Improved exodermic deck system Improved exodermic deck system

E - Fixed Constructions

04

B

E04B 1/18 (2006.01) E01D 19/00 (2006.01) E01D 19/12 (2006.01) E04B 5/00 (2006.01) E04B 5/29 (2006.01) E04C 3/294 (2006.01) E04C 5/01 (2006.01)

Patent

CA 2239727

An exodermic deck (10) for structural floors including bridge floors, road beds, pedestrian walkways, or the like, comprises a composite structure of a grid component (12) and a top component (14). The grid component (12) is preferably made of steel and includes a plurality of main bearing bars (16) and a plurality of distribution bars (18) oriented perpendicular to the main bearing bars (16). The top component (14) is preferably made from reinforced concrete. The upper portions (25) of either the main bearing bars (16) or the distribution bars (18) are embedded in the reinforced concrete component (14) permitting horizontal shear transfer and creating a composite deck structure (10) which maximizes the use of tensile strength of steel and the compressive strength of concrete. The top sections (25) of the embedded bars (16) have gripping surfaces for effecting mechanical locks between the grid component (12) and the concrete component (14) and increasing the horizontal shear transfer therebetween.

Tablier (10) sans matière de charge utilisable dans les planchers porteurs tels que les tabliers de pont, les talus, les voies pour piétons ou analogue, et comportant une structure composite constituée d'un élément (12) formant grille et d'un élément (14) de revêtement. L'élément (12) formant grille est de préférence en acier et comprend plusieurs barres (16) porteuses principales et plusieurs barres (18) de répartition orientées perpendiculairement aux barres (16) porteuses principales. L'élément (14) de revêtement est de préférence en béton armé. Les parties supérieures (25) des barres (16) porteuses principales ou des barres (18) de répartition sont noyées dans l'élément (14) en béton armé de manière à permettre un transfert horizontal du cisaillement et à créer une structure de tablier (10) composite mettant en valeur au maximum la résistance à la traction et à la compression du béton. Les sections supérieures (25) des barres (16) noyées présentent des surfaces de prise permettant de former des zones de blocage mécanique entre l'élément (12) formant grille et l'élément (14) en béton, et d'augmenter le transfert horizontal du cisaillement entre ceux-ci.

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