Stacking Solidified Cake: Slope, Lift Height and the 30-Day Settlement

A site built its first stockpile of solidified cake to 6 m in three weeks, at a face slope close to 1:1.2, because that was the angle the loader could climb. Thirty days later the crest had dropped 240 mm, a tension crack 1.8 m deep had opened 12 m back from the face, and leachate was seeping from t…