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Im Zentrum von Stockholm wird derzeit der Eisenbahntunnel “Söderströmstunneln” gebaut. Der Absenktunnel unterquert den Söderström, einen Seitenarm des Sees Mälaren, und bildet das Verbindungsstück zwischen zwei Felstunneln. Er besteht aus zwei Anschlussbauwerken und drei einzelnen Tunnelelementen, die in schwimmenden Stahlschalungen betoniert, auf Pfahlgründungen abgesenkt und anschließend auf dem Seeboden monolithisch miteinander verbunden und vorgespannt werden.

“Söderströmstunneln” - technical challenge of planing and building the Söderström tunnel in Stockholm
The railway tunnel “Söderströmstunneln” is currently under construction in the heart of Stockholm. The immersed tunnel is crossing the Söderström, a branch of the lake Mälaren, and is forming the connecting part between two rock tunnels. He consists out of two connection structures and three single tunnel elements that are cast in floating steel shells. The tunnel elements will then be immersed on pile foundations and on the lake bottom monolithically connected and post-tensioned.
 
Source:     Beton- und Stahlbetonbau 107 (2012), No. 11
 
Page/s:     749-756
 
Language of Publication:     German



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