PQ University Lesson 9 Washing Classifying : Pit Quarry
Sep 10, 2015· Most concrete sand products require the removal of fines. Equipment choices vary in the removal of fines — from the use of a wet screen to the use of a classifying system. Manufactured sand is widely accepted in asphalt mixes. In concrete mixes, manufactured sand is often blended with natural sand. Washing (versus air separation) is ...