The greatest consumer of sand and gravel is the cement industry. The United States Geological Survey (USGS) estimates that almost 26 billion metric tons went into making concrete in 2012, up ...

Aside from cement, concrete contains sand and stones. Those stones, or “aggregate,” are a carefully measured mix of various ...

Make sure they use some sand in the mix for increased smoothness, and uniformly sized aggregate to keep the mix as fluid as ...

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 ...

The yellow glow of sidewalks and patios in the dark of night may seem almost unnatural to some, but thanks to a new glowing aggregate product this effect is becoming more common in the concrete ...