Coarse aggregate is placed in a rigid bucket and compacted with a tamping rod to determine its unit weight. The following data are obtained: • Volume of bucket = 0.5 ft3 • Weight of empty bucket = 20.3 lb • Weight of bucket filled with dry compacted coarse aggregate = 76.8 lb a) Calculate the dry-compacted unit weight of the aggregate. b) If the bulk dry specific gravity of the aggregate is 2.620, calculate the percent voids.
Coarse aggregate is placed in a rigid bucket and compacted with a tamping rod to determine its unit weight. The following data are obtained: • Volume of bucket = 0.5 ft3 • Weight of empty bucket = 20.3 lb • Weight of bucket filled with dry compacted coarse aggregate = 76.8 lb a) Calculate the dry-compacted unit weight of the aggregate. b) If the bulk dry specific gravity of the aggregate is 2.620, calculate the percent voids.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Coarse aggregate is placed in a rigid bucket and compacted with a tamping rod to determine
its unit weight. The following data are obtained:
• Volume of bucket = 0.5 ft3
• Weight of empty bucket = 20.3 lb
• Weight of bucket filled with dry compacted coarse aggregate = 76.8 lb
a) Calculate the dry-compacted unit weight of the aggregate.
b) If the bulk dry specific gravity of the aggregate is 2.620, calculate the percent voids.
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