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Published in:
2021 | OriginalPaper | Chapter
Design of Izmir Bay Crossing Bridge
Author : Burak Kurtman
Published in: Developments in International Bridge Engineering
Publisher: Springer International Publishing
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Abstract
The Izmir Bay Crossing Bridge is a part of a 6.8 km fixed link between Çiğli and İnciraltı districts in Izmir. Total bridge length is 4175 m. Two platforms, each 21 m wide, will combine to carry three lanes of highway traffic and a light railway system. The cable-stayed bridge is located over the circulation channel, and has a total length of 590 m and a main span of 270 m. Pylon height is 88.7 m. The cable-stayed bridge will be constructed by free cantilever method and the rest of the bridge will be constructed by movable scaffolding system. The bridge has a post-tensioned box girder deck with a constant height of 2.5 m. It was particularly important during the design process to ensure structural performance of the bridge because of high seismicity and very poor soil conditions at the site. 2000 mm diameter steel driven piles are used for the foundations. First 20 m of the piles are assumed to be laterally unsupported by soil and pile cap stiffness and mass were considered in the global model for seismic analysis.