When seawater penetrates concrete in road tunnels, a biofilm is formed that breaks down the concrete. This can lead to high ...

The Fehmarn Belt Fixed Link is a $7 billion undertaking involving an extraordinary underwater structure. It is expected to be completed by 2029. The project comprises nearly 100 tunnel segments ...

In the south of Denmark a mega project is underway to build a tunnel under the Baltic and providing ... The Tech Now team take to the skies in Sweden to explore developments in electric flight ...

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 ...

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

The world's largest shield machine for railway construction has reached the middle point of the tunnel's underwater section on Wednesday, marking a milestone in the construction of the high-speed ...

Roxanne Saunders, 36, known as Roxy, and Ian Dailey, 38, from Darlington, were in the underwater tunnel on Friday afternoon, April 4. It was then Ian got down on one knee and proposed to Roxy ...

The world's largest shield machine for railway construction, a tunneling device with a diameter of 15.4 meters, reached the middle point of the tunnel's underwater section on April 16, marking a ...