Civil Engineering MCQAE Level Civil Engineering
Coefficient of permeability of stratified soil perpendicular to bedding is governed by:
Soil MechanicsSoil Mechanics and Foundation EngineeringHARD
Choose the correct answer
A
largest layer permeability only
B
zero always
C
arithmetic mean
D
harmonic weighted mean
Correct Answer
D. harmonic weighted mean
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For flow normal to layers, equivalent permeability is controlled by the harmonic mean due to equal discharge through layers.
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