The following data were obtained from sand-cone experiment where a volume of a certain soil is replaced with a sand in order to find the density of the soil. Density of sand used in test = 1.3 g/cc Wt. Of soil excavated from the pit = 925 g Wt. of sand filling the pit = 675 g Water content of natural soil = 15% Specific gravity of Solid = 2.7 a) Determine the wet density of the soil in g/cc.

The following data were obtained from sand-cone experiment where a volume of a certain soil is replaced with a sand in order to find the density of the soil. Density of sand used in test = 1.3 g/cc Wt. Of soil excavated from the pit = 925 g Wt. of sand filling the pit = 675 g Water content of natural soil = 15% Specific gravity of Solid = 2.7 a) Determine the wet density of the soil in g/cc.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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3. The following are the results of a field unit weight determination test performed on the soil by means of the sand cone method. Calibrated dry density of Ottawa sand = 1570 kg/m³ Calibrated mass of Ottawa sand to fill the cone = 0.545 kg Mass of jar + cone + sand (before use) = 7.59 kg Mass of jar + cone + sand (after use) = 4.78 kg Mass of moist soil dug from hole = 3.007 kg Water content of moist soil = 10.2% Max dry unit weight = 19 kN/m³ a. Determine the moist unit weight of compacted soil in kN/m³. b. Find the dry unit weight in kN/m³. c. Compute the relative compaction in the field.
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