0.0 -2.0 -3.0 silty clay y = 18 kN/m³ k = 5 x 10°m/s -6.0 y= 20 kN/m² k = 2 x 10°m/s -7.5 sand y= 18 kN/m² ~. clay -11.0 В k = 3 x 10'm/s -12.5 -13.5 A y = 21 kN/m³ k = 10°m/s gravel

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Consider the geotechnical profile shown in the Figure, which was obtained from a survey. In order to detect the depth at which the water level is located, a piezometer (vertical tube shown) was installed, which showed the water level at the indicated elevation at -3m. Consider the soil below water level in the saturated condition. The vadose zone rises up to 0.5m allowing the material to reach 50% saturation.
(a) Determine the total, neutral, and effective stresses for the earth mass and then plot the stresses across the depth of the ground.
(b) What would be the effective stresses at the intersection between the clay and gravel layers if the water levels were pumped down to the elevations located at points A and B?

0.0
-2.0
-3.0
silty clay
Y = 18 kN/m³
k = 5 x 10°m/s
-6.0
y = 20 kN/m³
k = 2 x 10°m/s
-7.5 sand
Y = 18 kN/m³
~.
clay
-11.0
B
k = 3 x 10'm/s
-12.5
-13.5
Y = 21 kN/m³
k = 10°m/s
A.
gravel
Transcribed Image Text:0.0 -2.0 -3.0 silty clay Y = 18 kN/m³ k = 5 x 10°m/s -6.0 y = 20 kN/m³ k = 2 x 10°m/s -7.5 sand Y = 18 kN/m³ ~. clay -11.0 B k = 3 x 10'm/s -12.5 -13.5 Y = 21 kN/m³ k = 10°m/s A. gravel
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