(i) What is the difference between Mohr-Coulomb failure criterion and Tresca failure criterion? Which one is more conservative? Figure Q1 shows the stress state of a soil element underground. The element is in plane-stress condition. Determine the principal stresses and maximum shear stress. (ii) (ii) If the soil follows Mohr-Coulomb failure criterion, determine the factor of safety when normal stress is 35 kPa. Assume c = 22 kPa and Ø = 25°.

Elements Of Electromagnetics
7th Edition
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Can you help me with these three questinos?

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(i)
What is the difference between Mohr-Coulomb failure criterion and Tresca failure criterion?
Which one is more conservative?
Figure Q1 shows the stress state of a soil element underground. The element is in plane-stress
condition. Determine the principal stresses and maximum shear stress.
(ii)
If the soil follows Mohr-Coulomb failure criterion, determine the factor of safety when normal
stress is 35 kPa. Assume c = 22 kPa and Ø = 25°.
(ii)
12 kPa
35 КРа
65 КPa
Transcribed Image Text:(i) What is the difference between Mohr-Coulomb failure criterion and Tresca failure criterion? Which one is more conservative? Figure Q1 shows the stress state of a soil element underground. The element is in plane-stress condition. Determine the principal stresses and maximum shear stress. (ii) If the soil follows Mohr-Coulomb failure criterion, determine the factor of safety when normal stress is 35 kPa. Assume c = 22 kPa and Ø = 25°. (ii) 12 kPa 35 КРа 65 КPa
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