Mohr's circle is shown for a point in a physical object that is subjected to plane stress. Each grid square is 12 ksi in size. (a) Determine the stresses Ox, Oy, and the magnitude of Txy and show them on a stress element. (b) Determine the principal stresses and the magnitude of the maximum in-plane shear stress acting at the point and show these stresses on an appropriate sketch (e.g., see Figure 12.15 or Figure 12.16). y Answer: C X (a) Ox-i Oy- Txy- (b) Op1 Op2 = = i i i ksi ksi ཧུ ksi ksi i ksi Tmax in-plane i ksi b

Structural Analysis
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Chapter2: Loads On Structures
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Mohr's circle is shown for a point in a physical object that is subjected to plane stress. Each grid square is 12 ksi in size.
(a) Determine the stresses Ox, Oy, and the magnitude of Txy and show them on a stress element.
(b) Determine the principal stresses and the magnitude of the maximum in-plane shear stress acting at the point and show these
stresses on an appropriate sketch (e.g., see Figure 12.15 or Figure 12.16).
y
Answer:
C
X
(a) Ox-i
Oy-
Txy-
(b) Op1
Op2 =
=
i
i
i
ksi
ksi
ཧུ
ksi
ksi
i
ksi
Tmax in-plane
i
ksi
b
Transcribed Image Text:Mohr's circle is shown for a point in a physical object that is subjected to plane stress. Each grid square is 12 ksi in size. (a) Determine the stresses Ox, Oy, and the magnitude of Txy and show them on a stress element. (b) Determine the principal stresses and the magnitude of the maximum in-plane shear stress acting at the point and show these stresses on an appropriate sketch (e.g., see Figure 12.15 or Figure 12.16). y Answer: C X (a) Ox-i Oy- Txy- (b) Op1 Op2 = = i i i ksi ksi ཧུ ksi ksi i ksi Tmax in-plane i ksi b
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