Cement is mostly limestone that’s been ground up and superheated. Adding water causes a chemical reaction; microscopic ...

Pyrrhotite causes cracks in concrete. But research on how widespread the issue might be has only scratched the surface.

Pigment selection, the type of cement, aggregate size and color, water content, mixing technique and finishing methods all have a role to play in the overall final appearance of the decorative ...

When used to create concrete, this cement is mixed with aggregate, usually small rocks, stones, and sand. Upon adding water to this mixture, the hydration process will cause the cement to set ...

This can also happen in reverse—a pocket of dry-unmixed cement without enough water and aggregate. After the concrete floor ...

The Romans used a primitive mix for their concrete. Mortar consisted of small gravel and coarse sand mixed together with hot lime and water. To reduce shrinkage, they used horse hair, much like we ...

As Clark County continues to grow, so too will the demand for aggregate materials — the sand, gravel and various sizes of ...

While cement only constitutes around 10–15% of concrete by mass, the remainder being water and aggregate, cement production ...