A circular area having a radius of 3 m carries a uniformly distributed of 90 kPa is applied to the ground. Compute the total vertical stress in kN/m^2 increment due to this uniform load if the unit weight of soil is 18.40 kN/m^3 at point 6 m below the center of the circular area.

A circular area having a radius of 3 m carries a uniformly distributed of 90 kPa is applied to the ground. Compute the total vertical stress in kN/m^2 increment due to this uniform load if the unit weight of soil is 18.40 kN/m^3 at point 6 m below the center of the circular area.

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter8: Vertical Stress Increase In Soil

Section: Chapter Questions

Problem 8.12P

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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

O a. 129.02

O b. 135.17

O c. 137.66

O d. 27.26

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