A sand cone equipment is used to perform a field density test on a compacted earthfill. Weight of soil sample from the test hole is equal to 20.60N and Dry weight of soil sample is equal to 17.92N. Ottawa sand used to fill the hole weighs 16.05N and is known to have a density of 15.74kN/m3. Determine the following: (a) The moisture content of the soil (b) The in- situ dry unit weight of the soil (c) If the dry unit weight of the soil at optimum moisture content is 18.10 kN/m3, calculate the percent compaction of the earth fill.

A sand cone equipment is used to perform a field density test on a compacted earthfill. Weight of soil sample from the test hole is equal to 20.60N and Dry weight of soil sample is equal to 17.92N. Ottawa sand used to fill the hole weighs 16.05N and is known to have a density of 15.74kN/m3. Determine the following: (a) The moisture content of the soil (b) The in- situ dry unit weight of the soil (c) If the dry unit weight of the soil at optimum moisture content is 18.10 kN/m3, calculate the percent compaction of the earth fill.

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 5.15P

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Sand cone equipment is used to perform a field density test on a compacted earth fill. • Soil sample dug from the test hole = 20.60 N • Dry weight of soil sample = 17.92 N Ottawa sand used to fill the hole weighs 16.05 N and is known to have a density of 15.74 kN/m3. Determine the in-place dry density of the tested soil. Answer:
Sand cone equipment is used to perform Field density test on a compacted arth fil. Soil sample dug from the test hole = 19.88 N Dry weight of soil sample = 17.92 N Ottawa sand used to fill the hole weighs 16.05 N and is known to have a density of 15.74 HN/m. Which of the following gives the water content of the tested soil? O a. 15.45% O b. 12.08% O c. 14.96% O d. 10.94% e. 11.12%
Sand cone equipment is used to perform a field density test on a compacted earth fill. • Sil sample dug from the test hole = 20.60 N • Dry weight of soil sample = 17.92 N Ottawa sand used to fill the hole weighs 16.05 N and is known to have a density of 15.74 kN/m³. Which of the following gives the water content of the tested soil? O a. 15.45% O b. 12.08% O . 11.12% d. 14.96% e. 10.94% Clear my choice
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