State of stress at the wall and the roof of the following circular openingbafore the excavation is(a] = |04.Find the induced stress components at pointa.RW with respect to the given x-y coordinatesysterm, and expresst them in the matrixform.b. Find the total stresses at point W, and givethem in matrix form.c. Repeat (a) and (b) for the roof.d. Find the stresses oy, Ciy, and tyy at point Awhich is located at a radial distance twicethe radius of the tunnel.

The state of stress at wall, MPa

State of stress at the wall and the roof of the following circular opening bafore the excavation is y W A 4 0 0 [a] = 0 4 0 MPa a. Find the induced stress components at point W with respect to the given x-y coordinate system, and expresst them in the matrix form. b. Find the total stresses at point W, and give them in matrix form. c. Repeat (a) and (b) for the roof. d. Find the stresses x, y, and txy at point A which is located at a radial distance twice the radius of the tunnel.

State of stress at the wall and the roof of the following circular opening bafore the excavation is y W A 4 0 0 [a] = 0 4 0 MPa a. Find the induced stress components at point W with respect to the given x-y coordinate system, and expresst them in the matrix form. b. Find the total stresses at point W, and give them in matrix form. c. Repeat (a) and (b) for the roof. d. Find the stresses x, y, and txy at point A which is located at a radial distance twice the radius of the tunnel.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

State of stress at the wall and the roof of the following circular opening
bafore the excavation is
(a] = |0
4.
Find the induced stress components at point
a.
R
W with respect to the given x-y coordinate
systerm, and expresst them in the matrix
form.
b. Find the total stresses at point W, and give
them in matrix form.
c. Repeat (a) and (b) for the roof.
d. Find the stresses oy, Ciy, and tyy at point A
which is located at a radial distance twice
the radius of the tunnel.

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