Crushed recycled concrete can also be used as the dry aggregate for brand new concrete if it is free of contaminants Larger pieces of crushed concrete can be used as riprap revetments which is an effective and popular method of controlling streambank erosion With our proper quality control at our crushing facility well Crushed recycled concrete can also be used as the dry aggregate for brand new concrete if it is free of contaminants Larger pieces of crushed concrete can be used as riprap revetments which is an effective and popular method of controlling streambank erosion With our proper quality control at our crushing facility well