When the degree consolidation is 50%, the time factor is about

Question

Question

This question was previously asked in

BPSC AE Paper 5 (Civil) 14 Oct 2022 Official Paper

Answer 1

Given,

Degree of consolidation = 50%

U = 50%

Time factor

\(T_v = \frac \pi 4(U^2)\) when U ≤ 0.6

Tv = 1.781 - 0.933 log10 (100 - U%)

U > 0.6

Than \(T_v = \frac \pi 4 \left(\frac {50}{100}\right)^2\)

\(= \frac \pi 4 \left(\frac 1 2 \right)^2\)

Tv = 0.196

So, Tv ≃ 0.2