Compute the stress increase in kPa below footing A (1.5m x 1.5m) at the center of the clay layer. Assume that the pressure beneath the footing A is spread at an angle of 2 vertical to 1 horizontal.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Two footings rest in a layer of sand 2.7 m thick. The bottoms of the footings are 0.90 m below
the ground surface. Beneath the sand layer is a 1.8 m thick clay layer. Underneath the clay
layer is solid rock. Water table is at a depth of 1.8 m below the ground surface. Refer to the
P, = 400 kN
P2 = 900 kN
%3D
0.9m
y=18.5 kN/m
0.9m
SAND
0.9m
y-20.8 kN/m
CLAY
1.8m
y=18.8 kN/m
e = 1.03 , Cc = 0.3
SOLID BEDROCK
Transcribed Image Text:Two footings rest in a layer of sand 2.7 m thick. The bottoms of the footings are 0.90 m below the ground surface. Beneath the sand layer is a 1.8 m thick clay layer. Underneath the clay layer is solid rock. Water table is at a depth of 1.8 m below the ground surface. Refer to the P, = 400 kN P2 = 900 kN %3D 0.9m y=18.5 kN/m 0.9m SAND 0.9m y-20.8 kN/m CLAY 1.8m y=18.8 kN/m e = 1.03 , Cc = 0.3 SOLID BEDROCK
Compute the stress increase in kPa below footing A (1.5m x 1.5m) at the center of the clay
layer. Assume that the pressure beneath the footing A is spread at an angle of 2 vertical to 1
horizontal.
28.32
22.68
31.45
20.34
Transcribed Image Text:Compute the stress increase in kPa below footing A (1.5m x 1.5m) at the center of the clay layer. Assume that the pressure beneath the footing A is spread at an angle of 2 vertical to 1 horizontal. 28.32 22.68 31.45 20.34
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