Key facts about

Solbakk


  • World's longest and deepest road tunnel
  • Deepest point is 292 m below sea level
  • 2 parallel tunnels 2 x 7'980 m (T8.5, 68 m²) double lane road tunnels
  • 31 cross passages and 1 cavern
  • Sea filling of excavated material 1.200.000 m³
  • Portals cut & cover 2 x 250 m
  • Geology: Gneiss
  • Excavation method: drill & blast
  • Injection 2'300 tonn
  • Transport of masses directly to the sea with conveyor belt
  • Inner lining membrane & shotcrete and concrete elements: 275’000 m²

Impressions
 
Marti AS
Karenslyst allé 8b
0278 Oslo
+47 23 12 06 55
info@marti-norge.no​​

​      

PRIVACY POLICY​​
DISCLAIMER​​
IMPRESSUM​​​


​​​​​​​​         ​