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Başarköy Viaduct

Trabzon, Turkey

After final completion of the „Trabzon-Maçka Split Road“ the traffic congestion in the industrial zone, from which Trabzon has suffered for many years, will be mostly unburdened. Doka delivered 4 Customized Cantilever Forming Traveller for the valley directly after the 2 km long Maçka Tunnel.

Because of the very tight distance between the 2 superstructures and to avoid collitions the normally 2 beams of the Customized Cantilever Forming traveller were divided into more smaller beams. To overcome the very big cross inclination change from + 5,8 % to - 5,8 % Doka designed a detailed Engineering Concept to draw up changes of the launching rail wood and the anchor holes for each step.

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Project data

Year of completion
2021
Project duration
2020-2021
Country
Turkey
City
Trabzon
Contractors
Cengiz İnşaat San.ve Tic. Aş.

Building data

Construction method
Free balanced cantilever
Construction Type / Segmentation
Pre-stressed concrete bridge
Total length
407,5m
max. span length
p1-p2 = 134m
Section height
3,75m
Section width
13m
Section length
5m
Cycle time
1 week