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 ...

Fisher Road in west Columbus reopened after concrete fell from an I-70 overpass. ODOT says spalling caused the issue.

• Based on socio-economic cost-benefit analysis, concrete roads provide superior returns on social capital outlays in the medium to long-term basis The ongoing debate between concrete road ...

If you’re reading this, chances are you are now either touching concrete or touching something that is touching concrete. By weight, the material makes up 46% of everything humans manufacture. But for ...

An increasing number of U.S. interstates are set to try out a Purdue University invention that could save millions of taxpayer dollars and significantly reduce traffic delays. The invention, a sensor ...

What if you were told that 95 percent of Georgians are using a product that may not always be the best value for money? What if you were told that 95 percent of Georgia’s roads are asphalt, even ...

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 ...

For decades, the key metrics for concrete in construction were durability, reliability, safety and cost. In recent years, however, sustainability has been added to that list by customers seeking to ...

Penetrating seawater carries bacteria that form colonies – biofilm. The bacteria attack the concrete that is supposed to prevent stones from loosening from the tunnel walls. The concrete becomes ...