Penetrating seawater carries bacteria that form colonies – biofilm. The bacteria attack the concrete that is supposed to ...

A record-breaking tunnel is being built under the Baltic Sea between Denmark and Germany, which will slash travel times and ...

The Fehmarnbelt Tunnel will reduce travel time between Denmark and Germany to just 10 minutes by car or seven minutes by ...

Researchers in Sweden have discovered why concrete in underwater road tunnels can break down much faster than expected—and ...

Since 2014, researchers studying the Oslofjord tunnel have observed that bacteria can erode up to one centimeter of concrete annually. When a saltwater intrusion occurs, biofilms ...

Drivers have no need to fear using the U.S. 1 tunnel in downtown Fort Lauderdale despite a driver’s recent report of falling concrete, state officials say. Crews were sent in to inspect the Henry E.

Sprayed concrete has been used in road tunnels on a larger scale since the 1990s, and since then, researchers have been able to see this fouling of biofilm. Despite this, there are currently very few ...

To make each 217m (712ft) long and 42m wide element reinforced steel is cast with concrete. Most underwater tunnels - including the 50km Channel Tunnel between the UK and France – burrow through ...