A section through an inclined tunnel in soil is shown in Figure 1….

A section through an inclined tunnel in soil is shown in Figure 1….

 

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A section through an inclined tunnel in soil is shown in Figure 1. At Point X, on the roof of the tunnel, the stress acting in the vertical direction is equal to 300 kPa. The normal and shear stresses acting on the plane of the tunnel at Point X, as shown in the figure, are both zero.

a) Draw the Mohr circle for the state of stress at Point X. (show steps of the drawing)

b) What is the value of the major principal stress at Point X?

c) What angle does the plane of major principal stress make with the horizontal?

Answers: b) 400kPa, c) 30degree

Can you please write in text as an explanation of the steps.

answer for 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?