Bonding these small stones to the concrete was easy. I mixed medium sand and Portland cement. My mix was 3 measures of sand to 1.5 measures of Portland cement. I added enough water to make stucco ...

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

"Your material hopper has strike gates that control the volume of the sand and rock that enter the mix," says Horning. "Your cement has a constant flow and you change your mix design by the amount ...

Concrete production businesses can now substantially reduce equipment downtime and related costs in the mixing and final production ... mobile mixture of cement, sand, aggregates and water.

This is known as an irreversible change. For example, if you mix water, sand and cement you get concrete. This sets hard and you can't get the original substances back again. You can separate a ...