During the completion of a construction project, a soil sample was taken from an area ofcompacted earth fill for a sand-cone in-place density test. The following were obtained from theresults of the test:• Weight of sand used to fill the test hole and the funnel of the sand-cone device = 845 g• Weight of sand to fill the funnel of the sand-cone device = 323 g• Unit weight of sand = 15.71 kN/m3• Weight of wet soil excavated from test hole = 622 g• Moisture content of the soil excavated from the test hole = 16%%3D%3DCalculate the dry unit weight (kN/m³) of the excavated material

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During the completion of a construction project, a soil sample was taken from an area of compacted earth fill for a sand-cone in-place density test. The following were obtained from the results of the test: • Weight of sand used to fill the test hole and the funnel of the sand-cone device = • Weight of sand to fill the funnel of the sand-cone device • Unit weight of sand = 15.71 kN/m³ 845 g 323 g Weight of wet soil excavated from test hole = 622 g %3D • Moisture content of the soil excavated from the test hole = 16% Calculate the dry unit weight (kN/m³) of the excavated material

During the completion of a construction project, a soil sample was taken from an area of compacted earth fill for a sand-cone in-place density test. The following were obtained from the results of the test: • Weight of sand used to fill the test hole and the funnel of the sand-cone device = • Weight of sand to fill the funnel of the sand-cone device • Unit weight of sand = 15.71 kN/m³ 845 g 323 g Weight of wet soil excavated from test hole = 622 g %3D • Moisture content of the soil excavated from the test hole = 16% Calculate the dry unit weight (kN/m³) of the excavated material

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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Following are the results of a field unit weight determination test performed bymeans 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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