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A new landmark arch bridge in Milan

A new landmark arch bridge in Milan
Auteur(s): , ,
Présenté pendant IABSE Symposium: Large Structures and Infrastructures for Environmentally Constrained and Urbanised Areas, Venice, Italy, 22-24 September 2010, publié dans , pp. 792-793
DOI: 10.2749/222137810796063823
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The new De Gasperi Bridge, located at Milan Portello, is made of two steel arches, having a 80m span. The arches thrust is held by the deck, which works like a tie. The platform is a composite stee...
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Détails bibliographiques

Auteur(s):


Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Symposium: Large Structures and Infrastructures for Environmentally Constrained and Urbanised Areas, Venice, Italy, 22-24 September 2010
Publié dans:
Page(s): 792-793 Nombre total de pages (du PDF): 8
Page(s): 792-793
Nombre total de pages (du PDF): 8
Année: 2010
DOI: 10.2749/222137810796063823
Abstrait:

The new De Gasperi Bridge, located at Milan Portello, is made of two steel arches, having a 80m span. The arches thrust is held by the deck, which works like a tie. The platform is a composite steel-concrete deck. In order to reduce the intensity of the tensile stresses in the concrete slab, the whole deck is prestressed by nine external tendons. A peculiarity of this bridge consist in the two arches diverging towards the lateral sides of the deck, with an inclination of 22,5° with respect to the corresponding vertical planes. The deck longitudinal beams are supported by nine transverse box beams, slightly tapered at the end, stretching outside the deck width. The ends of these transversal beams are connected to nine couples of hangers, having tubular section. The hangers lie onto the same inclined planes of the arches and are normal to the arches axes. In order to avoid flexural stresses, the connection between hangers and arches was made by means of Cardan joints.

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