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[IABSE 2018 France] The Third Bosphorus Bridge – Erection Sequences of the Main Span 2020-03-20
ÆÄÀϾÆÀÌÄÜ Ã·ºÎÆÄÀÏ :

Abstract

Located at the North of Istanbul near the Black Sea, the Third Bosphorus Bridge, also called Yavuz

Sultan Selim Bridge, has a main span length of 1408 m and a total length of 2260 m.

As for the Brooklyn Bridge (New York), the main span is supported on one side by main cables

through hangers and on the other side by stay cables. The concrete towers reach 320 m height

and the deck, 5.50 m high and 58.50 m wide, supports twice four traffic lanes for international

road traffic, two railway tracks and two lateral sidewalks for pedestrians.

This specific bridge typology as well as the transversal position of the cable and the large width of

the deck leads to particular behaviour during the erection of the main span. This paper aims to

present the main alternatives studied and their advantages/disadvantages.


Keywords: Third Bosphorus Bridge; erection methods; central span erection; wind behaviour;

suspended bridge; stay cable bridge; Istanbul

 
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