3D concrete printing (3DCP) is a new technology altering the construction sector by combining construction automation and intelligent manufacturing. Compared to traditional building methods, 3DCP ...

Drexel researchers are recycling coal ash, a waste product from coal power plants, to make a porous, lightweight aggregate that can be used as a concrete additive to aid the hardening process. Coal ...

Typically used for off-road pavements that handle a low volume of traffic flow - parking lots, industrial parks, and driveways - porous asphalt pavement has been around for more than 30 years. But ...

A completed section of path shows the color and smoothness of the finish. Water percolates through the pavement into the ground, where it is returned to the water table naturally. A new kind of ...