References

Shafts for Izmit Bay Bridge

Gemak Group has built four steel shafts each abt. 550 tons for Izmit Bay Bridge connecting Istanbul with south of Turkey. Shaft are placed on the seabed to support the bridge towers.

Total length : 2.682m (8.799 ft)
Width : 35.93m (117.9 ft)
Height : 252.0m (826.8 ft) (pylons)
Pier Length : 421m.
Longest span : 1.550m (5.090 ft)
Vertical clearance : 4.3m (211 ft) x 1.000m (3.300 ft)
Constructed by : IHI Corporation
Construction begin : 2013
Construction en : 2016
Daily traffic approx. : 115.000 vehicles