Coefficient of consolidation for clays normally
A. decreases with increase in liquid limit
B. increases with increase in liquid limit
C. first increases and then decreases with increase in liquid limit
D. remains constant at all liquid limits
Answer: Option A
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A. directly proportional to time and inversely proportional to drainage path
B. directly proportional to time and inversely proportional to square of drainage path
C. directly proportional to drainage path and inversely proportional to time
D. directly proportional to square of drainage path and inversely proportional to time
As we Know Coefficient of Consolidation is directly proportional to Permeability.
Cv € K
And Coefficient of Permeability decreases when liquid limit increases.
Means K€ 1/LL. (LL - liquid limit )
So
Cv € K € 1/LL
THEREFORE, Cv € 1/LL.