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Attraversamento Ferroviario do Sado

Portugal

To keep the distances between the longitudinal girders of the composite forming carriage constant in the broadening zone of the bridge structure and thus ensure a constant track-width, the Doka project engineers devised a system in which the roller trestles are not mounted directly on the longitudinal girders of the structural steelwork (as is usually the case), but on a transverse steel girder.

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Project data

Year of completion
2010
Project duration
18 Months
Country
Portugal
Location
Lisbon
Contractors
Teixeira Duarte Sede Lisboa
Type of structure
Bridge
structure type
Composite construction

Bridge deck/superstructure

Shape
Straight
Type of carriage/traveller or formwork
Overslung composite forming carriage
Length of bridge (superstructure)
2735 m
Width of bridge (superstructure)
15.70 m
Height of bridge (up to top edge of superstructure)
20 m
Cross-sectional shape of structural steelwork
I-section girder
Clear width of structural steelwork
7
Clear height of structural steelwork
2.60
Length of concreting section
31.50 m
Number of casting sections
106
Cycle time
7 -day cycle