Determine the consolidation settlement of the 4-m thick clay layer shown in the figure that will result from the load carried by the footing measuring 3 m x 1.5 m in the figure. Assume the clay to be normally consolidated and the load of footing results to an increase in pressure of 23.2 kPa, 12.22 kPa, and 6.1 kPa at the top, mid-height, and bottom portion, respectively of the clay layer. a) Calculate the overburden pressure at the base of the footing in kPa b) Calculate the initial effective stress at the mid-height of the clay layer c) Calculate the consolidation settlement of the clay layer

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Determine the consolidation settlement of
the 4-m thick clay layer shown in the figure
that will result from the load carried by the
footing measuring 3 m x 1.5 m in the figure.
Assume the clay to be normally consolidated
and the load of footing results to an increase
in pressure of 23.2 kPa, 12.22 kPa, and 6.1
kPa at the top, mid-height, and bottom
portion, respectively of the clay layer.
a) Calculate the overburden pressure at the
base of the footing in kPa
b) Calculate the initial effective stress at the
mid-height of the clay layer
c) Calculate the consolidation settlement of
the clay layer

1500 kN
Footing sze
3m - 1.5 m
1.5m
Dry sand
Yo 14.8 kN/m
3m
Groundwater table
to
Sand
1,5 m
Yu- 18.5 kN/m
Clay
- 19 kN/m
- 1.0
L- 50
4 m
Transcribed Image Text:1500 kN Footing sze 3m - 1.5 m 1.5m Dry sand Yo 14.8 kN/m 3m Groundwater table to Sand 1,5 m Yu- 18.5 kN/m Clay - 19 kN/m - 1.0 L- 50 4 m
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