In recent years, we've heard about efforts to replace some of the aggregate used in concrete with crumbled used tires. Now, however, scientists have succeeded in producing good quality concrete in ...

Researchers have shown how a by-product of steel making can be used to both treat wastewater and make stronger concrete, in a zero-waste approach to help advance the circular economy. Produced during ...

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 ...