
Crushed Concrete & Concrete Aggregate 101 - Superior ...
Jul 29, 2019· 6A Crushed Concrete 6A Crushed Concrete is a clean crushed concrete which is often used as a base for driveways or walkways. It can also be used in muddy areas. What about washout? After concrete is laid at a site, the trucks and other equipment have to be cleaned before the concrete hardens. The material that is "washed out" is called washout.