forcing contractors to add the right amount of water and mix until ready. Place and mix again. Continuous or in-line mixers, on the other hand, provide a steady action and supply of concrete for ...

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 ...

Spalling concrete is often caused by an installation mistake. Common mistakes include adding too much water to the mix to make it easier to pour, sprinkling the surface of the concrete with 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 ...