Two enormous bridges, together longer than eighty soccer fields, and the deepest immersed traffic tunnel in the world connect the Geoje peninsula with Busan, the second city of South Korea. Everything about the project – the Busan-Geoje Fixed Link – is huge and the challenges are gigantic. Deep sea conditions, earthquakes and even typhoons have to be overcome. The Koreans have never built an immersed tunnel before, so Daewoo Engineering & Construction engaged foreign help. East unites with West and an elite team of Strukton takes up the challenge.

Busan-Geoje Fixed Link – immersion tunnel
The underwater highway of the Busan-Geoje Fixed Link is one of the deepest and longest immersion tunnels in the world, with a depth of 48 metres and a total length of 3.2 kilometres. Strukton Afzinktechnieken immersed eighteen tunnel elements in a strait that is in direct contact with the East China Sea and the Pacific Ocean. The extreme weather conditions made the construction a huge challenge for the engineers. The Busan-Geoje Fixed Link opened for traffic in December 2010, reducing the travel time from Busan to Geoje from more than 2.5 hours to just 40 minutes.