Design of long immersed tunnel for highway in offshore conditions Busan–Geoje Fixed Link

This paper addresses the design conditions, detailed design and chosen solution for the unique immersed tunnel of the Busan - Geoje Fixed Highway Link project in Korea. The concrete tunnel carrying 2 x 2 lanes, which will be at world record depth of 47 m, will be located in offshore conditions in an area prone to typhoons, earthquakes and swell wave. (A) This paper was presented at Safety in the underground space - Proceedings of the ITA-AITES 2006 World Tunnel Congress and the 32nd ITA General Assembly, Seoul, Korea, 22-27 April 2006. For the covering abstract see ITRD E129148. "Reprinted with permission from Elsevier".