Reinforced hopper car structure

Details Reinforced hopper car structure Reinforced hopper car structure

B - Operations, Transporting

61

D

B61D 17/12 (2006.01) B61D 7/00 (2006.01)

Patent

CA 2578939

A hopper car is described that is a thin shelled integrated structure having a roof and a pair of sidewalls. This structure is subject to longitudinal tensile and compressive loads, and to a partial internal vacuum during unloading. Local buckling phenomena and collapse due to the partial vacuum need to be resisted. The roof assembly has lateral stiffeners to maintain its profile, and a reinforced, roll formed longituding coaming.

L'invention décrit un wagon-trémie, soit une structure intégrale à parois minces dotée d'un toit et d'une paire de murs latéraux. Cette structure est soumise à des charges de compression et de tension longitudinales et à un vide interne partiel lors du déchargement. Elle doit être en mesure de résister au flambage et à l'affaissement local attribuable à ce vide partiel. Le toit comporte des entretoises de maintien latérales pour la conservation du profil ainsi qu'un surbau longitudinal renforcé laminé.

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