Transcribed Image Text: O DrahmedsoilMechanicsnoteschapter5.pdf s/DrahmedsoilMechanicsnoteschapter5.pdf A V – 14 A 10-m-thick layer of stiff saturated clay is underlain by a layer of sand. The

Transcribed Image Text: O DrahmedsoilMechanicsnoteschapter5.pdf
s/DrahmedsoilMechanicsnoteschapter5.pdf
A V –
14 A 10-m-thick layer of stiff saturated clay is underlain by a layer of sand.
The sand is under artesian pressure. A 5.75-m-deep cut is made in the
clay. What would be the maximum permissible depth of cut before
heaving would occur. Determine the factor of safety against heaving at
point A.
Ans.: H =6.88m, FOS = 1.36
P = 1925 kg/m
5.75 m
10 m
Saturated clay
6 m
Sand
Par – 1840 kg/m
2.5 m
Soil Mechanics
Assistant Prof. Dr. Ahmed Al-Obaidi
Civil Eng Dept – College of Eng.
(173)
5.15 Refer to Problem 5.14. Water may be introduced into the cut to improve

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