Following are the results of a field unit weight determination test performed by means of the sand cone method: • Calibrated dry density of Ottawa sand = 104 lb/ft3 • Mass of Ottawa sand to fill the cone = 0.258 lb • Mass of jar + cone + sand (before use) = 13.21 lb • Mass of jar + cone + sand (after use) = 6.2 lb • Mass of moist soil from hole = 7.3 lb • Moisture content of moist soil = 11.6% Determine: Dry unit weight of compaction in the field.
Following are the results of a field unit weight determination test performed by means of the sand cone method: • Calibrated dry density of Ottawa sand = 104 lb/ft3 • Mass of Ottawa sand to fill the cone = 0.258 lb • Mass of jar + cone + sand (before use) = 13.21 lb • Mass of jar + cone + sand (after use) = 6.2 lb • Mass of moist soil from hole = 7.3 lb • Moisture content of moist soil = 11.6% Determine: Dry unit weight of compaction in the field.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Following are the results of a field unit weight determination test performed by
means of the sand cone method:
• Calibrated dry density of Ottawa sand = 104 lb/ft3
• Mass of Ottawa sand to fill the cone = 0.258 lb
• Mass of jar + cone + sand (before use) = 13.21 lb
• Mass of jar + cone + sand (after use) = 6.2 lb
• Mass of moist soil from hole = 7.3 lb
• Moisture content of moist soil = 11.6%
Determine: Dry unit weight of compaction in the field.
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