Water is flowing at a rate of 0.04 m³/s in a soil sample of 12m thick and cross section of 50m². The coefficient of permeability is 1.6*10¯³m/s. The submerged unit weight γ’=9.59 kN/m³. Calculate the effective pressure if flow is in downward direction.

Water is flowing at a rate of 0.04 m³/s in a soil sample of 12m thick

1.	Water is flowing at a rate of 0.04 m³/s in a soil sample of 12m thick and cross section of 50m². The coefficient of permeability is 1.6*10¯³m/s. The submerged unit weight γ’=9.59 kN/m³. Calculate the effective pressure if flow is in downward direction.
A.	73.94 kN/m²
B.	152.34 kN/m²
C.	155.34 kN/m²
D.	173.94 kN/m²
Answer» E.