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

Under extreme conditions ... The researchers emphasise that road tunnels, despite this biofilm, are generally safe and are monitored by Norwegian authorities. Their recommendation based on ...

A record breaking tunnel is being built under the Baltic Sea between Denmark and Germany to streamline the travel between the ...

He even dug into a 450-volt cable under his house which ... and fearful for the collapse of more roads and houses - they evicted William and filled his tunnels with concrete.

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 ...

In September 2023, the Tunnel Boring Machine (TBM) was lowered 30 meters underground. Despite multiple engineering challenges, passing under Metro Line 3, the Sahar Elevated Road, major sewer and ...

with a breakthrough in the Silkyara Bend-Barkot Road tunnel section with the completion of excavation from both sides. As many as 41 workers were trapped for over two weeks in the under ...