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The assembly and replacement of the Weesperbridge

The assembly and replacement of the Weesperbridge
Auteur(s): , ,
Présenté pendant IABSE Conference: Structural Engineering: Providing Solutions to Global Challenges, Geneva, Switzerland, September 2015, publié dans , pp. 402-407
DOI: 10.2749/222137815818357449
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In The Netherlands the long closing of main roads and major waterways are unacceptable due to economic reasons. So swapping of the old Weesperbridge for the new one, must be completed within eight ...
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Détails bibliographiques

Auteur(s): (Projectleader Movares Utrecht, The Netherlands)
(Structural engineer, Movares, Utrecht, The Netherlands)
(Consulting Engineer, Movares, Utrecht, The Netherlands)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Conference: Structural Engineering: Providing Solutions to Global Challenges, Geneva, Switzerland, September 2015
Publié dans:
Page(s): 402-407 Nombre total de pages (du PDF): 6
Page(s): 402-407
Nombre total de pages (du PDF): 6
Année: 2015
DOI: 10.2749/222137815818357449
Abstrait:

In The Netherlands the long closing of main roads and major waterways are unacceptable due to economic reasons. So swapping of the old Weesperbridge for the new one, must be completed within eight hours. Also de transportation is a problem of the new bridge in a densely populated country as The Netherlands. This is challenge that the design engineers have to deal with while searching for a method to swap the two bridges in a short period of time.

To realize the transport the new bridge must be transported in two sections. The first section is the arch and the second is the bridge deck. The engineers must make sure that the structures remain stable during all steps of the construction.

For the installation within one night, the strength and stability must be checked in all steps of construction. This results in the following measures:

  • To reduce stresses in the arch and the maingirder temporary columns were placed between the to.s;

  • The pendants needed added supported to prevent buckling;

  • The flange of the maingirder is strengthened around the temporary bearings to reduce stresses;

  • Around the temporary bearing by the girder web, stiffeners were added to prevent plate buckling.
Mots-clé:
acier levage de charges lourdes stabilité

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