Composite element and its method of manufacture

Details Composite element and its method of manufacture Composite element and its method of manufacture

E - Fixed Constructions

04

C

E04C 3/29 (2006.01) E04B 5/23 (2006.01)

Patent

CA 2295561

The invention relates to a method for manufacturing a composite element comprising at least one wooden layer which is bound to a concrete or mortar layer, as well as to a composite element manufactured accordingly. In order to provide this composite element with a high load carrying capacity, which is the result of the concrete or mortar layer adhering onto the whole surface of the wooden layer, an adhesive (16) with a paste consistency is applied so that the adhesive coats the surface and forms an adhesive layer. Then, fresh hydraulic concrete or fresh hydraulic mortar is spread onto the adhesive layer (16) and is distributed over this layer in order to coat the surface and form the concrete or mortar layer (14). The adhesive layer (16) and the concrete or mortar layer (14) are caused to set during a common transient setting phase to produce an inter-layer binding over a large surface.

L'invention concerne un procédé pour la fabrication d'un élément composite constitué d'au moins une couche de bois à laquelle est liée une couche de béton ou de mortier, ainsi qu'un élément composite réalisé selon ce procédé. Dans le but d'obtenir une capacité de charge élevée de cet élément composite grâce à une adhérence, sur toute la surface, de la couche de béton ou de mortier sur la couche de bois, un adhésif (16) de consistance pâteuse est appliqué de manière à recouvrir la surface en formant une couche d'adhésif. Ensuite, du béton frais hydraulique ou du mortier frais hydraulique est coulé sur la couche d'adhésif (16) et est réparti sur celle-ci de manière à recouvrir la surface en formant la couche de béton ou de mortier (14). La couche d'adhésif (16) et la couche de béton ou de mortier (14) sont amenées à durcir, au cours d'une phase de durcissement commune transitoire, pour produire une liaison inter-couches sur une grande surface.

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