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Home arrow International arrow Bosphorus Immersed Tunnel - The New Rail Link between Europe and Asia
Bosphorus Immersed Tunnel - The New Rail Link between Europe and Asia Print E-mail
Bosphorus Immersed TunnelOn April 30, 2008, Christian Ingerslev, P.E. gave a presentation on the multidisciplinary design, construction, and management of the Bosphorus Tunnel (Marmaray), a new rail link between Europe and Asia under the Bosphorus in Istanbul, Turkey. Designed to the most stringent seismic criteria corresponding to a 7.5 magnitude event on the Richter scale and to the fire safety requirements corresponding to a 100 MW design basis fire, this project is over 70 km long and includes 12.5 km of bored and cut-cover tunnels, up to 40 underground and surface stations, new track, signaling systems for intercity and commuter trains and extensive maintenance facilities.

The immersion of the prefabricated tunnel elements into a busy waterway with strong opposing currents is just one of many spectacular features of this $3 billion project. At a depth of 58 m, the Marmaray will be the deepest immersed tunnel in the world. Construction of the project started in 2004 and is being executed by teams of Japanese, European and Turkish contractors. Christian Ingerslev, P.E. is an assistant vice president and project manager at Parsons Brinckerhoff in New York City and is the design supervisor for the Bosphorus Immersed Tunnel Crossing.

 
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