4.4 Determine the increase of pore water pressure at M due to the strip loading shown in Figure P4.2 Assume v=0.5 and a = 0 for all cases given below. (a) == 2.5m, x = 0m, 4= 0.65. (b) == 2.5m, x = 1.25m, 4= 0.52. 9-215 kN/m² 25 m 5 m. - G.W.T. Silty clay

4.4 Determine the increase of pore water pressure at M due to the strip loading shown in Figure P4.2 Assume v=0.5 and a = 0 for all cases given below. (a) == 2.5m, x = 0m, 4= 0.65. (b) == 2.5m, x = 1.25m, 4= 0.52. 9-215 kN/m² 25 m 5 m. - G.W.T. Silty clay

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter7: Seepage

Section: Chapter Questions

Problem 7.1P

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Concept explainers

Pressure and Stress

Question

4.4 Determine the increase of pore water pressure at M due to the strip loading shown in Figure
P4.2 Assume v = 0.5 and a = 0 for all cases given below.
(a) = = 2.5m, x = 0m, 4= 0.65.
(b) = = 2.5m, x = 1.25m, A= 0.52.
3
1.25 m
215kN/m²
-2.5 m
at
G.W.T.
Silty clay
.M
R

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Step 1: Introduce the problem statement

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Step 2: Resolve strip load in horizontal and vertical direction

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Step 3: Determine minor and major stresses for case-1

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Step 4: Compute increase in pore pressure for case-1

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Step 5: Determine minor and major stresses for case-2

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Step 6: Determine minor and major stresses for case-2

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Step 7: Compute increase in pore pressure for case-2

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