Mixing pea gravel with concrete is not only possible, it's actually beneficial for certain projects, as long as you do it correctly. Pea gravel consists of smooth, rounded stones that are typically ...

To make aerated concrete, add a foam-forming agent and stir in a significant amount of air. This serves to make the concrete significantly lighter, better insulating, and more resilient to fire.

Concrete is everywhere, right? We walk on it, drive on it, build our houses on it. But producing the ubiquitous construction material makes up a significant portion of global greenhouse gases that are ...

Concrete is one of the world’s most important materials. But making the cement that binds it generates about 8% of anthropogenic carbon-dioxide emissions. This is not just because of the heat involved ...

Researchers around the world are working to find ways to make concrete greener, including at the University of Pennsylvania.