A soil specimen (100 mm × 100 mm × 100 mm) is subjected to the forces shown in Figure below. Determine (a) the magnitude of the principal stresses, (b) the orientation of the principal stress plane to the horizontal, (c) the maximum shear stress, and (d) the normal and shear stresses on a plane inclined at 208 clockwise to the horizontal. 8 kN 2 kN 12 kN 4 kN

A soil specimen (100 mm × 100 mm × 100 mm) is subjected to the forces shown in Figure below. Determine (a) the magnitude of the principal stresses, (b) the orientation of the principal stress plane to the horizontal, (c) the maximum shear stress, and (d) the normal and shear stresses on a plane inclined at 208 clockwise to the horizontal. 8 kN 2 kN 12 kN 4 kN

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter10: Stresses In A Soil Mass

Section: Chapter Questions

Problem 10.2P

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Concept explainers

Test for Determination of Shear Strength

The term shear strength is often associated with the soil. Shear strength is defined as the resistance to the deformation of soil particles due to the continuous action of shear stress. In short, shear strength is the maximum shear stress that a soil can sustain.

Question

A soil specimen (100 mm × 100 mm × 100 mm) is subjected to the forces shown in Figure
below. Determine (a) the magnitude of the principal stresses, (b) the orientation of the principal
stress plane to the horizontal, (c) the maximum shear stress, and (d) the normal and shear
stresses on a plane inclined at 208 clockwise to the horizontal.
8 kN
2 kN
12 kN
4 kN

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