Answered: 5m 3m 2m N.G.L Gs=2.67, e = 0.78 Sand 3…

Engineering

Civil Engineering

5m 3m 2m N.G.L Gs=2.67, e = 0.78 Sand 3 y(sat.) = 18KN/m ³ Silty Clay 20KN Ysat. m3 Gravel

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter10: Shear Strength Of Soil

Section: Chapter Questions

Problem 10.24CTP

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Concept explainers

Methods to Determine Vertical Stress

The load applied to the soil is transferred to the underground. The presence of water at soil pores and solid grains above the soil are the primary components that are responsible for the effective load transfer. Due to the load acting, the internal component of the soil or the underground formations undergoes deformations or a tectonic shift. The amount of deformation depends upon the amount of load acting on the soil surface, which indeed, depends on the weight of everything present above the soil. Due to this, the underground soil element develops internal stresses which try to resist the tectonic changes.

Question

Calculate and then plot the change in total stress, effective stress and pore water pressure with the plate for the soil layers shown in the figure below and according to the conditions: • There is no effect of capillary action • There is an effect of capillary action at a distance of 2m above the water level in the sandy layer

5m
3m
2m
N.G.L
Gs=2.67, e = 0.78
Sand
3
y(sat.) = 18KN/m³
Silty Clay
20KN
Ysat.
m³
Gravel

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