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 ...

Contractors can increase the speed and ease of placing concrete with the latest technologies. But even the most advanced equipment cannot significantly enhance the quality of concrete. To do this, the ...

Concrete Curing Part I – Why cure? Curing is the action taken by the contractor to maintain the moisture and temperature conditions in freshly placed concrete. Curing promotes the chemical hydration ...

Coal ash is the less notorious byproduct of coal-fired power plants. It's the residual solid waste that comes from burning coal. While it doesn't have the same deleterious reputation of its airborne ...