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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

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

Structural Analysis
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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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

Find the dry unit weight in kN/m3.

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