When seawater penetrates concrete in road tunnels, a biofilm is formed that breaks down the concrete. This can lead to high costs and the risk of damage if stone and concrete drop from the tunnel roof ...

A biofilm forms on the interior surface of concrete as seawater penetrates the concrete of a road tunnel. A study by researchers at Chalmers University of Technology (located in Sweden) points to the ...

It's not on the scale of Boston's Big Dig, but the Bremerton Tunnel Project nevertheless is poised to make a significant impact on traffic in this waterfront city across Puget Sound from Seattle.

Tunnel construction stands as a pivotal component in the development of modern infrastructure. With urbanization at its peak and space at a premium, the significance of efficient, safe, and ...

IN THE BACK BAY TODAY. THAT’S RIGHT. BEN CREWS HAD BEEN WORKING OVERNIGHT ALL WEEKEND LONG, IDENTIFYING ANY LOOSE CONCRETE THAT WILL CONTINUE TONIGHT INTO TOMORROW. THIS TERRIFYING NEAR-MISS IN THE ...

MassDOT says it will carefully examine tunnels in Boston and across the state after it launched emergency inspections inside the Pru Tunnel when concrete came crashing down on unsuspecting motorists.

The construction of HS2’s longest green tunnel took a major step forward this week with the realignment of a key local road, ...

Inspection crews examined more than 150 locations in the tunnel system across Boston and found no pressing issues after concrete fell from the ceiling above the Massachusetts Turnpike and narrowly ...

HAPPENED. JENNIFER SERA. YEAH. AND MARIA MASSDOT SAYS THAT THE WEATHER IS TO BLAME FOR THIS HAPPENING. LET’S SHOW YOU THE MOMENT THAT CHUNK OF CONCRETE FELL. THIS ALL HAPPENED AROUND TWO THIS ...