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Find the time required for 50% consolidation in a soil 8m thick, if coefficient of consolidation is $1\times 10^{-4}cm^{2}/min.$

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Assuming, to be Double Drainage,

  • D=H/2 =4m
  • Cv=1×10^(-4) cm^2/min
  • U=50%

Using Relation, $T_{v}=\frac{C_{v} t}{H^{2}}$ $\Rightarrow \frac{\pi}{4}(0.5)^{2} \times 400^{2}=10^{-4} \mathrm{~cm}^{2} / \min$

  • time, t = 597.715years
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