2)Sand cone equipment is used to determine an in-place unit weight (field density test) on a compacted earth fill. A sand is used in the cone and is known tohave a bulk density of 1670 kg/cu. m. The laboratory moisture-unit weight curve indicates a dry unit weight of 25 kN/cu. m and an optimum moisture contentof 12%.Soil sample dug from the test hole:Wet weight of soil sample = 2900 gDried weight of soll sample = 2450 gWeight of sand to fill he test hole = 1685 gCompute the in place dry unit weight of the tested soil.A29.24 kN/cu. mB23.82 kN/cu. m24.56 kN/ou. m28.70 kN/ou. m3)Sand cone equipment is used to determine an in-place unit weight (field density test) on a compacted earth fill. A sand is used in the cone and is known tohave a bulk density of 1670 kg/cu. m. The laboratory moisture unit weight curve indicates a dry unit weight of 25 kN/cu. m and an optimum moisture contentof 12%Soil sample dug from the test hole:Wet weight of soil sample = 2900 gDried weight of soll sample = 2450 gWeight of sand to filthe est hole - 1685 gCompute the percentage of compaction of the tested soil.94.28%B95.82%94.82%95.28%

The field dry density of the soil is computed by following methods such as Sand replacement method…

Sand cone equipment is used to determine an in-place unit weight (field density test) ona compacted earth fil A sand is used in the cone and is known to have a bulk density of 1670 kg/cu m. The laboratory moisture-unit weight curve indicates a dry unit weight of 25 kN/cu mand an optimum moisture content of 12% Soil sample dug from the test hole Wet weight of soil sample = 2900 g Dried weight of soil sample = 2450 g Weight of sand to fill the test hole = 1685 g Compute the in place dry unit weight of the tested soil.

Sand cone equipment is used to determine an in-place unit weight (field density test) ona compacted earth fil A sand is used in the cone and is known to have a bulk density of 1670 kg/cu m. The laboratory moisture-unit weight curve indicates a dry unit weight of 25 kN/cu mand an optimum moisture content of 12% Soil sample dug from the test hole Wet weight of soil sample = 2900 g Dried weight of soil sample = 2450 g Weight of sand to fill the test hole = 1685 g Compute the in place dry unit weight of the tested soil.

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter6: Soil Compaction

Section: Chapter Questions

Problem 6.7P

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