Device for forming joints in concrete works

Details Device for forming joints in concrete works Device for forming joints in concrete works

E - Fixed Constructions

01

C

E01C 11/06 (2006.01)

Patent

CA 2532778

The invention relates to a device for forming contraction joints in concrete works. The invention comprises a plurality of assemblies which are made from a concrete-separating material and which are mounted to rigid linear elements in an alternate manner on one side and then the other of the surface crack line on the upper face of the concrete work surface, leaving spaces therebetween for cracking. The inventive device enables the adjacent slabs formed by the contraction joint to be fixed, thereby improving the resistance performance thereof. The invention is suitable for in situ concrete works, such as roads, channels, esplanades, sewers, tunnels, railways, dykes, etc.

L'invention concerne un dispositif de formation de joint de retrait dans des ouvrages en béton constitués de plusieurs plateaux en une matière séparatrice du béton montés en éléments linéaires rigides de manière alternée d'un côté et de l'autre de la ligne superficielle de fissure au niveau de la face supérieure de la surface bétonnée et laissant des espaces libre entre eux afin de permettre la fissuration. Ce dispositif améliore l'encastrage des losanges contigus formés par le joint de retrait avec une amélioration conséquente du comportement de résistance. Ce dispositif s'utilise dans des oeuvres de béton in situ telles que des routes, des canaux, des esplanades, des collecteurs, des tunnels, des chemins de fer, des digues et autres.

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