A square column foundation with base of 1.55 m is shown in the figure. It carries an axial load of 451 kN and has its bottom resting on the ground water table located h1 = 1.3 m. below the ground surface. h2 = 0.8 m and h3 = 2.4 m. Compute the average increase in pressure in KPa in the clay layer below the center of foundation using the 2:1 method. |P * h1 * _ h3 Dry Sand Wet Sand Clay

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A square column foundation with base of
1.55 m is shown in the figure. It carries an
axial load of 451 kN and has its bottom
resting on the ground water table located h1
= 1.3 m. below the ground surface. h2 = 0.8
m and h3 = 2.4 m. Compute the average
increase in pressure in KPa in the clay layer
below the center of foundation using the 2:1
method.
|P
*
h1
h3
t
Dry Sand
Wet Sand
Clay
Transcribed Image Text:A square column foundation with base of 1.55 m is shown in the figure. It carries an axial load of 451 kN and has its bottom resting on the ground water table located h1 = 1.3 m. below the ground surface. h2 = 0.8 m and h3 = 2.4 m. Compute the average increase in pressure in KPa in the clay layer below the center of foundation using the 2:1 method. |P * h1 h3 t Dry Sand Wet Sand Clay
Soil Properties:
Unit Weight of Dry Sand = 15.6 KN/m3
Saturated Unit Weight of Sand = 19.7 KN/m3
Saturated Unit Weight of Clay = 18.6 KN/m3
Compression Index = 0.253
Swell Index = 1/5Cc
Transcribed Image Text:Soil Properties: Unit Weight of Dry Sand = 15.6 KN/m3 Saturated Unit Weight of Sand = 19.7 KN/m3 Saturated Unit Weight of Clay = 18.6 KN/m3 Compression Index = 0.253 Swell Index = 1/5Cc
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