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For a time factor Tv of 0.159, Find the degree of consolidation.

(a) 45%

(b) 98%

(c) 34%

(d) 18%

This question was posed to me during an internship interview.

I want to ask this question from Consolidation Problems topic in section One Dimensional Consolidation of Geotechnical Engineering I

1 Answer

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Best answer
The correct choice is (a) 45%

To elaborate: As we know,

The time factor for 50% consolidation is 0.287

since, 0.159<0.287,

U > 60%,

Therefore \(T_v=\frac{π}{4}\)(U%/100)^2

\(0.159=\frac{π}{4}\)(U%/100)^2

U=45%.

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