Multispan girder

E - Fixed Constructions – 01 – B

Patent

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Details

E01B 25/00 (2006.01) B60L 13/00 (2006.01) E01B 25/30 (2006.01) E01D 2/04 (2006.01) E04C 3/26 (2006.01)

Patent

CA 2381638

The invention relates to a multispan girder (1) consisting of concrete, especially reinforced concrete or prestressed concrete. The multispan girder (1) is provided with bearings which are located at each end of a span of said girder (1). The girder (1) is produced especially from at least one precast concrete part. At least one prestressing element is located on the girder (1), the position, course and/or prestressing force of said prestressing element producing a non-deformable pretension of the multispan girder (1). The multispan girder (1) is preferably provided for arranging a travel way of a railborne high speed vehicle, especially a magnetic levitation train.

La présente invention concerne un support à travées multiples (1) en béton, en particulier en béton armé ou en béton précontraint. Le support à travées multiples (1) est doté d'éléments d'appui disposés à chacune des extrémités d'une travée du support (1). Le support (1) est principalement constitué d'au moins un élément préfabriqué en béton. Le support (1) est doté d'au moins un élément de précontrainte dont la disposition, la forme et/ou la force de précontrainte permettent d'obtenir une précontrainte compatible avec la forme du support à travées multiples (1). Le support à travées multiples (1) est prévu de préférence pour l'aménagement d'une voie de circulation d'un véhicule guidé à grande vitesse, en particulier d'une voie de chemin de fer à lévitation magnétique.

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