An element of soil is subjected to the normal compressive stresses…

An element of soil is subjected to the normal compressive stresses…

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Figure 2 Vertical 100 kPa 40 kPa 40 Horizontal

 

An element of soil is subjected to the normal compressive stresses of 100 and 40kPa as shown in Figure 2. Shear stresses are now applied to the planes on which these stresses act. What is the magnitude of the shear stress which must be applied to those planes such that the plane of major principal stress in the element is horizontal?

ANSWER: 170.1kPa

Can you please write in text as an explanation of the steps and answer the questions below based on the question:

i) what can I learn from the question?

ii)what is the possible application in Civil Engineering Industry?