4. A 10 m thick layer of shift, saturated clay is underlain by a layer of sand. The sand is under artesian pressure. (see picture below) Calculate the max depth of cut H, that can be made in the clay. (Answer: 6.9 m) Calculate the effective stress of A. (Answer: 58.9 kPa) Calculate the effective stress of B. (Answer: 19.225 kPa)

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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4. A 10 m thick layer of shift, saturated clay is underlain by a layer of sand. The sand is under artesian pressure.

(see picture below)

  • Calculate the max depth of cut H, that can be made in the clay. (Answer: 6.9 m)
  • Calculate the effective stress of A. (Answer: 58.9 kPa)
  • Calculate the effective stress of B. (Answer: 19.225 kPa)
PROBLEMS for EXERCISES
4.
Problem:
A 10 m. thick layer of shift, saturated clay is
underlain by a layer of sand. The sand is
under artesian pressure.
H.
10m
6m
SATURATED CLAY
Y=19 kN/m
A.
2.5m
SAND
e175 kN/m
a) Calculate the max. depth of cut H, that
can be made in the clay.
b) Calculate the effective stress of A.
c) Calculate the effective stress at B.
5
Problem:
Transcribed Image Text:PROBLEMS for EXERCISES 4. Problem: A 10 m. thick layer of shift, saturated clay is underlain by a layer of sand. The sand is under artesian pressure. H. 10m 6m SATURATED CLAY Y=19 kN/m A. 2.5m SAND e175 kN/m a) Calculate the max. depth of cut H, that can be made in the clay. b) Calculate the effective stress of A. c) Calculate the effective stress at B. 5 Problem:
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