A floating tunnel under Sognefjord could withstand an explosion
Concrete can tolerate much more force that previously believed, which could open the door to a new kind of road structure: a floating tunnel.
Concrete can tolerate much more force that previously believed, which could open the door to a new kind of road structure: a floating tunnel.
It weighs six tons, is 10 metres long, and is proving its usefulness in protecting the new government quarter, floating tunnels along Norway’s west coast and numerous other precious contraptions on a daily basis.