A 10 ft thick layer of silty clay underlain by a gravelly sand layer has the following properties: eg 0.94, Cc-0.3, Cs-0.03, saturated unit weight = 102 pcf, normally consolidated. A large area fill with a height of 4 ft and a bulk unit weight of 135 pcf will be placed over this layer. Additionally, a footing will also be supported by this clay layer. Note that the average stress increase at the midpoint of the clay layer caused by the footing load is 1050 psf. Assume there is no groundwater table in the soil profile What is the combined effective stress increase at the mipoint of the clay layer in psf (whole number)?
A 10 ft thick layer of silty clay underlain by a gravelly sand layer has the following properties: eg 0.94, Cc-0.3, Cs-0.03, saturated unit weight = 102 pcf, normally consolidated. A large area fill with a height of 4 ft and a bulk unit weight of 135 pcf will be placed over this layer. Additionally, a footing will also be supported by this clay layer. Note that the average stress increase at the midpoint of the clay layer caused by the footing load is 1050 psf. Assume there is no groundwater table in the soil profile What is the combined effective stress increase at the mipoint of the clay layer in psf (whole number)?
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 2.10P: The soil profile at a site consists of 10 m of gravelly sand underlain by a soft clay layer. The...
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Soil mechanics
Transcribed Image Text:A 10 ft thick layer of silty clay underlain by a gravelly sand layer has the following properties:
en= 0.94, Cc=0.3, Cs=0.03, saturated unit weight = 102 pcf, normally consolidated. A large area
fill with a height of 4 ft and a bulk unit weight of 135 pcf will be placěd over this layer.
Additionally, a footing will also be supported by this clay layer. Note that the average stress
increase at the midpoint of the clay layer caused by the footing load is 1050 psf. Assume there
is no groundwater table in the soil profile.
What is the combined effective stress increase at the mipoint of the clay layer in psf (whole
number)?
Yanıt:
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