Hi, pls help me answer this one. I need it asap. Thank you. The results of a standard Proctor test are given in the following table.Mass of moistMoistureTrialsoil in the moldContent (%)(kg)11.59.521.8212.21.9514.741.8717.31.54206.1.1621.9After compaction the field unit weight of the soil is determined by means of the sand conemethod, the following are the results:Calibrated dry density of Ottawa sand = 1570 kg/m3Mass of Ottawa sand to fill the cone = 0.545 kgMass of jar + cone + sand (before use) = 7.59 kgMass of jar + cone + sand (after use)Mass of moist soil from the hole = 3.2 kg%3D%3D= 4.78 kgMoisture content of moist soil = 9.8%%3DDetermine the maximum dry unit weight (kN/m³) of compaction and the optimummoisture content. Given mold volume = 900 cm3. Note: Check the maximum dry unitweight of compaction and the optimum moisture content using the graphical methodand by means of the equation of the line.Determine the relative compaction in the field.а.%3!b.

Proctor test Max.dry density and optimum moisture content

ne results of a standard Proctor test are given in the following table. Mass of moist Moisture Trial soil in the mold Content (%) (kg) 1 1.5 9.5 2 1.82 12.2 1.95 14.7 4 1.87 17.3 1.54 20 1.16 21.9 After compaction the field unit weight of the soil is determined by means of the sand cone nethod, the following are the results: O Calibrated dry density of Ottawa sand = 1570 kg/m3 Mass of Ottawa sand to fill the cone 0.545 kg %3D 3.

ne results of a standard Proctor test are given in the following table. Mass of moist Moisture Trial soil in the mold Content (%) (kg) 1 1.5 9.5 2 1.82 12.2 1.95 14.7 4 1.87 17.3 1.54 20 1.16 21.9 After compaction the field unit weight of the soil is determined by means of the sand cone nethod, the following are the results: O Calibrated dry density of Ottawa sand = 1570 kg/m3 Mass of Ottawa sand to fill the cone 0.545 kg %3D 3.

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter5: Soil Compaction

Section: Chapter Questions

Problem 5.17CTP

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A sand cone in place unit test was conducted on the field during the construction of the embanklment in CALAX. The following data were obtained in the field: Moisture content of soil from the test hole+ 12.8% ; Weight of sand to fill the funnel(cone) = 320g; Weight of weight soil from the test hole= 750g; Unit weight of sand= 15.4 kN/m3 and Weight of sand used to fill the test hole and thefunnel of sand-cone device=870 g. Compute for the relative compaction (in percent) in the field if the maximum dry unit weight of the soil is 21.30 kN/m3. a. 94 b. 90 c. 88 d. 92
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A sand cone in place unit test was conducted on the field during the construction of the embanklment in CALAX. The following data were obtained in the field: Moisture content of soil from the test hole+ 12.8% ; Weight of sand to fill the funnel(cone) = 320g; Weight of weight soil from the test hole= 750g; Unit weight of sand= 15.4 kN/m3 and Weight of sand used to fill the test hole and thefunnel of sand-cone device=870 g. Compute for the dry unit weight of the compacted soil in kN/m3. a.17.80 b.18.74 c.20.08 d.21.14