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The Memaliaj Bridge

The Memaliaj Bridge
Autor(en): , , , ,
Beitrag für IABSE Symposium: Engineering for Progress, Nature and People, Madrid, Spain, 3-5 September 2014, veröffentlicht in , S. 2097-2104
DOI: 10.2749/222137814814068715
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The new Memaliaj Bridge over the Vjosa River in Southern Albania, with a total length of 123,20m, consists of a continuous, seismically isolated, three-span deck. Due to hydraulic reasons, the cen...
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Bibliografische Angaben

Autor(en):





Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Symposium: Engineering for Progress, Nature and People, Madrid, Spain, 3-5 September 2014
Veröffentlicht in:
Seite(n): 2097-2104 Anzahl der Seiten (im PDF): 8
Seite(n): 2097-2104
Anzahl der Seiten (im PDF): 8
Jahr: 2014
DOI: 10.2749/222137814814068715
Abstrakt:

The new Memaliaj Bridge over the Vjosa River in Southern Albania, with a total length of 123,20m, consists of a continuous, seismically isolated, three-span deck. Due to hydraulic reasons, the central span over the river should be at least 75m long, while the structure had to be economical, easily and rapidly constructible. Thus, the deck is formed by a cast in-situ prestressed concrete box girder, except the 56m of the 76m long central span, which consist of a steel-concrete composite deck, fixed to the concrete part by prestressed tendons and bars. The steel structure was assembled in-situ and erected in five segments, which were put in place by cranes, using the free cantilever method. The application of a composite deck at the central span led to a significant mitigation of the bridge’s self weight and a huge reduction of its construction time.

Stichwörter:
Stahl Entwurf Beton Brücke Seismische Isolierung Verbund Vorspannung