Laboratory compaction test results on a clayey soil are listed in the table below. Moisture content (%) Dry Unit Weight (kN/m³) 6 14.80 17.45 9. 18.52 11 18.90 12 18.50 14 16.90 The following are the results of a field unit weight determination test on the same soil with the sand cone method: Calibrated dry density of Ottawa sand = 1,540 kg/m3 Calibrated mass of Ottawa sand to fill the cone = 0.525 kg Mass of jar + cone + sand (before use) = 7.59 kg Mass of jar + cone + sand (after use) = 4.38 kg Mass of moist soil from hole = 2.85 kg Moisture content of moist soil = 12.2% Determine: a) Dry unit weight of compaction in the field. b) Plot the laboratory test result. c) Relative compaction in the field.
Laboratory compaction test results on a clayey soil are listed in the table below. Moisture content (%) Dry Unit Weight (kN/m³) 6 14.80 17.45 9. 18.52 11 18.90 12 18.50 14 16.90 The following are the results of a field unit weight determination test on the same soil with the sand cone method: Calibrated dry density of Ottawa sand = 1,540 kg/m3 Calibrated mass of Ottawa sand to fill the cone = 0.525 kg Mass of jar + cone + sand (before use) = 7.59 kg Mass of jar + cone + sand (after use) = 4.38 kg Mass of moist soil from hole = 2.85 kg Moisture content of moist soil = 12.2% Determine: a) Dry unit weight of compaction in the field. b) Plot the laboratory test result. c) Relative compaction in the field.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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