1.

The hydraulic gradient in terms of pore water pressure is given by _________

A. \(i=\frac{γ_w \overline{u}∂h}{∂z} \)
B. \(i=\frac{\overline{u}∂h}{γ_w ∂z} \)
C. \(i=\frac{\overline{u}∂h}{∂z} \)
D. \(i=\frac{1}{γ_w}\frac{∂\overline{u}}{∂z} \)
Answer» E.


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