Soil with a unit weight of 16.97 kN/m^3 is loaded on the ground surface by a uniformly distributed load of 300 kN/m^3 over a circular area 4 m in diameter. Compute the total vertical stress increment due to this uniform load at a depth of 5 m below the center of the circular area.

Soil with a unit weight of 16.97 kN/m^3 is loaded on the ground surface by a uniformly distributed load of 300 kN/m^3 over a circular area 4 m in diameter. Compute the total vertical stress increment due to this uniform load at a depth of 5 m below the center of the circular area.

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter15: Braced Cuts

Section: Chapter Questions

Problem 15.5P

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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

a.714

b.60

c.232.49

d.144.8

With FBD

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