slump cone
Isaac Kremer/ September 9, 2018/ / 0 comments
An open-ended, truncated cone of sheet metal 12 inches (305 mm) high, with a base diameter of 8 inches (203 mm) and a top diameter of 4 inches (102 mm), used to mold a specimen of freshly mixed concrete for the slump test. (Ching, 1995)