Aggregate Stockpiles: How to Prevent Segregation and Contamination
Good material can fall out of specification in a poor stockpile. Learn why segregation happens and how to build, load and protect a stockpile.

Knowledge
Crushing, screening, washing and the other stages of aggregate production.
Good material can fall out of specification in a poor stockpile. Learn why segregation happens and how to build, load and protect a stockpile.
A vibrating screen turns crusher output into separate products. Learn what affects screen efficiency, the main media types and common problems such as blinding.
Each crusher breaks rock by a different mechanism. Learn jaw, cone, impact and VSI crushers and how they affect particle shape and product grading.
Washing separates clay, silt and stone dust from aggregate. Learn how this stage affects concrete, what equipment is common, and how water and sludge are managed.
Record the material type, approximate volume and delivery location so availability and terms can be reviewed.