σx = 40 kN/m2 , σy = 100 kN/m2 , and τxy = 40 kN/m2 . Answer the
following questions (Indicate the answer on Mohr’s circle and write
down the value).
a. The center of the Mohr’s circle.
b. The radius of the Mohr’s circle.
c. The soil stresses on the horizontal and vertical planes on
the Mohr’s circle.
d. The inclination angle between the principal and horizontal
planes.
e. The principal stresses.
f. The stresses on the plane with an inclination angle of 30°
from the horizontal plane.
g. The pole.
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Mohr's circle 60 40 20 Shear stress t(kN/m²) 0 25 40 60 80 100 120 140 20 -40 -60 Normal stress o (kN/m²)
2. Answer the above questions a'b'd'e: fusing the stress transformation equation. List and compare the answers obtained from both methods in the following table. Mohr's circle Percentage error Transformation equation The center of the Mohr's circle The radius of the Mohr's circle The inclination angle between the principal and horizontal planes The principal stresses The stresses on the plane with an inclination angle of 30° from the horizontal plane.