whats the differenc`e between concrete and cement?
The difference between concrete and cement is that concrete contains cement plus sand and gravel. It is the cement that binds the sand and gravel or crushed rock together to form what we call concrete. Concrete then, is more than just cement.
Concrete is a mix of gravel, sand, and cement; the exact proportion is governed by the desired end use. Often there are some other additivies depending upon the exact end use. Cement, usually portland cement is one component of concrete. I could go on and on about the chemical nature of portland cement, how it is made, why it does what it does as well as discuss what it does but that would require a lot more space than this forum allowes and a lot more ambition than I have to type it all in.
