A cubic meter of dry (no water) quartz sand (G, = 2.65) with a porosity of 60% is immersed in an oil bath having a unit weight of 0.92 g/cm³. How much force in addition to the upthrust (buoyant force) is required to prevent the sand from sinking if the soil contains 0.27m³ of entrapped air after submergence?

Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Braja M. Das, Khaled Sobhan
Chapter11: Compressibility Of Soil
Section: Chapter Questions
Problem 11.10P
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A cubic meter of dry (no water) quartz sand (G, = 2.65) with a porosity of 60% is
immersed in an oil bath having a unit weight of 0.92 g/cm³. How much force in
addition to the upthrust (buoyant force) is required to prevent the sand from
sinking if the soil contains 0.27m³ of entrapped air after submergence?
Transcribed Image Text:A cubic meter of dry (no water) quartz sand (G, = 2.65) with a porosity of 60% is immersed in an oil bath having a unit weight of 0.92 g/cm³. How much force in addition to the upthrust (buoyant force) is required to prevent the sand from sinking if the soil contains 0.27m³ of entrapped air after submergence?
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