{"id":8883,"date":"2025-09-08T10:05:58","date_gmt":"2025-09-08T08:05:58","guid":{"rendered":"https:\/\/www.steelproject.it\/?p=8883"},"modified":"2025-09-08T12:31:43","modified_gmt":"2025-09-08T10:31:43","slug":"passerella-ciclo-pedonale-sul-canale-oberhafen","status":"publish","type":"post","link":"https:\/\/www.steelproject.it\/fr\/passerella-ciclo-pedonale-sul-canale-oberhafen\/","title":{"rendered":"La passerelle cyclo-pi\u00e9tonne sur le canal Oberhafen"},"content":{"rendered":"

Ach\u00e8vement des principales op\u00e9rations de montage et de lancement du tablier m\u00e9tallique de la passerelle cyclo-pi\u00e9tonne sur le canal Oberhafen \u00e0 Hambourg !<\/strong><\/p>\n

Il s\u2019agit d\u2019une passerelle cyclo-pi\u00e9tonne d\u2019une longueur totale de 135 m, divis\u00e9e en trois trav\u00e9es de 30 m, 75 m et 30 m. La largeur totale de l\u2019ouvrage est de 7,30 m.<\/p>\n

La structure porteuse est constitu\u00e9e d\u2019un caisson central en acier S355W peint, de section rectangulaire, d\u2019une largeur de 2 500 mm et d\u2019une hauteur variable comprise entre environ 800 mm et 1 400 mm. Les semelles du caisson sont r\u00e9alis\u00e9es avec une t\u00f4le raidie par des nervures longitudinales de section trap\u00e9zo\u00efdale. \u00c0 partir du caisson se d\u00e9veloppent des consoles triangulaires, avec la hauteur qui se r\u00e9duit vers l\u2019extr\u00e9mit\u00e9, qui soutiennent la dalle orthotrope. Cette derni\u00e8re est raidie par des nervures longitudinales ouvertes \u00e0 section rectangulaire.<\/p>\n

Le syst\u00e8me structurel pr\u00e9voit que le tablier soit soutenu par des jambes inclin\u00e9es qui, avec les piles, forment des portiques en Y, \u00e9galement \u00e0 section en caisson. La liaison entre le tablier et le mur\u2013cordon est assur\u00e9e par une lame en acier inoxydable.<\/p>\n

Steel Project Engineering, pour le compte de MBB – Metallic Bridges of Belgium, a r\u00e9alis\u00e9 le projet d\u2019ex\u00e9cution et le projet de montage de cette structure complexe du point de vue statique et g\u00e9om\u00e9trique, en adoptant une m\u00e9thode de levage inhabituelle en raison des contraintes du site.<\/p>\n

Le tablier a \u00e9t\u00e9 divis\u00e9 en 5 macro-segments (A, B, C, D, E) : dans un premier temps, les piles m\u00e9talliques P1 et P2 ainsi que les pal\u00e9es provisoires ont \u00e9t\u00e9 install\u00e9es; les segments ext\u00e9rieurs C et D ont \u00e9t\u00e9 assembl\u00e9s sur les pal\u00e9es provisoires. Entre-temps, les macro-segments A, B et E ont \u00e9t\u00e9 assembl\u00e9s dans une zone d\u00e9di\u00e9e adjacente au canal. Enfin, au cours de trois journ\u00e9es cons\u00e9cutives, les segments A, B et E ont \u00e9t\u00e9 transport\u00e9s et mont\u00e9s \u00e0 l\u2019aide d\u2019une grue sur ponton. L\u2019op\u00e9ration de montage du segment de fermeture E s\u2019est r\u00e9v\u00e9l\u00e9e particuli\u00e8rement d\u00e9licate, pour laquelle des syst\u00e8mes appropri\u00e9s de guidage et de r\u00e9glage ont \u00e9t\u00e9 pr\u00e9vus sur les pinces d\u2019appui<\/p>\n

Nous sommes fiers d\u2019avoir contribu\u00e9 \u00e0 une \u0153uvre qui repr\u00e9sente une valeur ajout\u00e9e pour la ville de Hambourg, fruit de la synergie entre notre \u00e9quipe et les partenaires impliqu\u00e9s (BET FZ), que nous remercions pour leur collaboration. Nous remercions \u00e9galement MBB pour la confiance accord\u00e9e et pour le mat\u00e9riel photographique fourni.<\/p>\n

Des photos et vid\u00e9os suppl\u00e9mentaires sont disponibles sur le profil LinkedIn de MBB<\/p>\n

https:\/\/www.linkedin.com\/posts\/mbb-metallic-bridges-of-belgium-s-a_mbb-hambourg-allemagne-activity-<\/a><\/p>\n

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Ach\u00e8vement des principales op\u00e9rations de montage et de lancement du tablier m\u00e9tallique de la passerelle cyclo-pi\u00e9tonne sur le canal Oberhafen \u00e0 Hambourg ! 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