A sample of sand above the water table was found to have a natural moisture content of 10% and a unit weight of 120 lb/ft^3. Laboratory tests on a dried sample indicated values of void ratio as 0.45 and 0.90, for the densest and loosest states respectively. Compute the (a) degree of saturation, and (b) relative density. Use GS=2.65.

A sample of sand above the water table was found to have a natural moisture content of 10% and a unit weight of 120 lb/ft^3. Laboratory tests on a dried sample indicated values of void ratio as 0.45 and 0.90, for the densest and loosest states respectively. Compute the (a) degree of saturation, and (b) relative density. Use GS=2.65.

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter2: Geotechnical Properties Of Soil

Section: Chapter Questions

Problem 2.12P

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A sample of sand above the water table was found to have a natural moisture content of 10% and a unit weight of 120 lb/ff3. Laboratory tests on a dried sample indicated values of void ratio as 0.45 and 0.90, for the densest and loosest states respectively. Compute the (a) degree of saturation, and (b) relative density. Use Gs=2.65.
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A sample of moist sand taken from the field was found to have a moisture content of 14% and a porosity of 38%. In the laboratory test that simulates field conditions, it was found that at its densest state, its void ratio is 85% and at its loosest state its void ratio is 40%. Determine the void ratio. Select one: a. 0.79 b. 0.57 c. 0.61 d. 0.42
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