Cut-off device for concrete structures

Details Cut-off device for concrete structures Cut-off device for concrete structures

E - Fixed Constructions

02

D

E02D 9/00 (2006.01)

Patent

CA 2353967

The invention concerns a cut-off device wherein each cut-off element (10) is formed by a plastic material flask, with a flat-closed base (18), and a tapering side envelope (20) forming an acute angle with the base, said angle being between 25~ and 60~ for generating expansion forces designed to provoke a fracture of the concrete part along the cut-off zone (28) defined by the base (18), and a lifting movement with slight amplitude of the concrete block after cut-off. The invention is applicable to concrete pile cut-off.

Le réservoir de chaque élément de recépage (10) est formé par un flacon (12) en matière plastique, ayant un fond (18) fermé plat, et une enveloppe (20) latérale troconique faisant un angle aigu avec le fond, ledit angle étant compris entre 25 · et 60 · pour engendrer des forces d'expansion destinées à provoquer une fracture de la pièce de béton le long de la zone de recépage (28) définie par le fond (18), et un mouvement de soulèvement de faible amplitude du bloc de béton après le recépage. Application : recépage de pieux en béton.

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