Q- On the surface of a thick layered clay soil deposit, a point load of 750 kN is applied at a depth of 3.5m and a radial distance of 1.2m from the point of application of load. What is the value of the vertical stress using the Boussinesq's elastic analysis?

Q- On the surface of a thick layered clay soil deposit, a point load of 750 kN is applied at a depth of 3.5m and a radial distance of 1.2m from the point of application of load. What is the value of the vertical stress using the Boussinesq's elastic analysis?

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter8: Stresses In A Soil Mass

Section: Chapter Questions

Problem 8.10P: The soil profile at a site consists of 10 m of gravelly sand underlain by a soft clay layer. The...

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Concept explainers

Braced cuts

The braced cut is a method of providing lateral support to the soil in foundation trenches, to prevent the trenches from deformation by the caving in of soil and resisting it from moving laterally. During shallow excavation in firm soil, generally, slopes are provided to resist the caving in of soil. During shallow excavation in soft soil and deep excavation, the chances of caving in of soil increase. Hence, it becomes necessary to make a provision to resist the deformation of trenches due to caving in of soil. The braced cut is the method used for such conditions. The excavation using braced cuts is a bit uneconomical as compared to the traditional open-cut excavation method but provides better safety than the cut excavation method.

Question

Q- On the surface of a thick layered clay soil deposit, a point load of
750 kN is applied at a depth of 3.5m and a radial distance of 1.2m
from the point of application of load. What is the value of the vertical
stress using the Boussinesq's elastic analysis?

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