Rise of water table in cohesionless soils upto ground surface reduces the net ultimate bearing capacity approximately by
A. 25%
B. 50%
C. 75%
D. 90%
Answer: Option B
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Related Questions on Soil Mechanics and Foundation
A. 3 months
B. 6 months
C. 12 months
D. 24 months
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
correction factor = 0.5(1+Z1/Df), water table at G.L, So Z1 = 0
= 0.5(1+0/Df)
=0.5 = 50%
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