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Unconfined Compression Test

Consider the ...

Question

Consider the following statements:
For pure clay, the shear strength parameters will be
1. Cohesion $c = O$ ; and angle of internal friction $ϕ$ will be maximum.
2. Cohesion c is maximum; and angle of internal friction $ϕ$ is also maximum.
3. Angle of internal friction $ϕ$ is zero, with some value of cohesion $c$ .
Which of these statements is/are correct?

A

1, 2

and

3

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B

1

only

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C

3

only

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D

2

only

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Solution

The correct option is C $3$ only
For pure clay, failure envelope $(ϕ = 0)$

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