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When the Mohr circle is drawn in confined compression test, its radius will be equal to ____________

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in Geotechnical Engineering I by (102k points)
When the Mohr circle is drawn in confined compression test, its radius will be equal to ____________

(a) Cu

(b) qu

(c) Ru

(d) None of the mentioned

I had been asked this question in an internship interview.

My question is based upon Unconfined Compression Test topic in division Shear Strength of Geotechnical Engineering I

1 Answer

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by (727k points)
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Best answer
Right answer is (a) Cu

To explain: When the Mohr circle is drawn, its radius is equal to σ1/2,

Since, σ1=2cu

σ1 /2 = 2cu/2

Therefore, radius=cu.

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