E - Fixed Constructions – 04 – G
Patent
E - Fixed Constructions
04
G
E04G 21/12 (2006.01) B28B 23/04 (2006.01)
Patent
CA 2589560
The invention relates to an installation for the tensioning of reinforcements for pre-stressed architectural elements. The inventive installation, which is intended for the bi-directional prestressing of slabs of concrete, mortar and similar, comprises a moulding assembly formed by a flat mould plate (3) which is defined peripherally by position-adjustable sides (4). The assembly rests on an over-dimensioned support platform (1) in which the moulding assembly is surrounded by a peripheral zone (10) of the support platform (1). According to the invention, the aforementioned peripheral zone (10) contains hydraulic tension members (7) which are solidly connected to the support platform (1) and which are disposed side-by-side in opposing pairs along the rectilinear lines of a grid. Moreover, said hydraulic tension members (7) are all interconnected in series, such as to form a hydraulic circuit (8) which is, in turn, connected to a hydraulic pressure port (9).
L'invention concerne une installation de tension des armatures d'éléments architecturaux précontraints destinée à la précontrainte bidirectionnelle de plaques de béton, de mortier et analogues, qui comprend un ensemble de moulage constitué d'une plaque plate de moule (3) définie sur sa périphérie par des côtés (4) de positionnement réglable. L'ensemble repose sur une plate-forme de support (1) surdimensionnée dans laquelle l'ensemble de moulage est entouré par une zone périphérique (10) de la plate-forme de support (1). Des tenseurs hydrauliques (7) sont disposés dans cette zone périphérique (10) et sont solidarisés à la plate-forme de support (1) et juxtaposés les uns aux autres de manière à former des paires opposées selon des alignements rectilignes qui configurent une grille. Ces tenseurs hydrauliques (7) sont tous montés entre eux en série de manière à former un circuit hydraulique (8) qui est lui-même relié à une prise de pression hydraulique (9).
Fradera Pellicer Carlos
Goudreau Gage Dubuc
LandOfFree
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