Production of the cement used in concrete is a major cause of CO2 emissions worldwide, so Provencher Roy architects used a greener alternative for a pair of bridges in Canada. The bridges were built ...

Ultra-high performance concrete mixes cost $360-650 per cubic yard and have compressive strength from 22,500 PSI to 29000 PSI. There are proprietary makers of stronger concrete with costs of $2000 per ...

Heijmans and climate tech company Paebbl have unveiled what they say is the world’s first bridge built using CO2-neutral concrete. The pedestrian bridge, located in the Netherlands, shows that ...

A new bridge that was completely 3D printed has just opened in the Netherlands. Designed and built by engineers from the Technical University of Eindhoven and construction company BAM Infra, the ...

The California Department of Transportation (Caltrans) is one of the largest state departments of transportation in the nation, managing more than 50,000 miles of California’s highways, or about ...

Marines at Camp Pendleton, Calif. have successfully 3D-printed a reinforced concrete bridge. The feat, which took place in December, is the first time in the U.S. or the Western hemisphere that a ...

Concrete highway bridges (reinforced and prestressed) are a major component in the U.S. transportation infrastructure. Their deterioration can occur in various damage mechanisms including: mechanical ...

In their competing accounts of what went wrong before last year’s Florida pedestrian bridge collapse, both the contractor and designer agree on one point: The concrete was never “roughened” at ...