Undisturbed soil sample 30 mm thick got 50% consolidated in 20 minutes with drainage allowed at top and bottom in the laboratory. If the clay layer from which the sample was obtained is 3 m thick in field conditions, estimate the time it will take to consolidate 50% with (i) double surface drainage (ii) single surface drainage if in both cases consolidation pressure is uniform.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Undisturbed soil sample 30 mm thick
got 50% consolidated in 20 minutes
with drainage allowed at top and
bottom in the laboratory. If the clay
layer from which the sample was
obtained is 3 m thick in field
conditions, estimate the time it will
take to consolidate 50% with
(i) double surface drainage
(ii) single surface drainage if in both cases
consolidation pressure is uniform.
Transcribed Image Text:Undisturbed soil sample 30 mm thick got 50% consolidated in 20 minutes with drainage allowed at top and bottom in the laboratory. If the clay layer from which the sample was obtained is 3 m thick in field conditions, estimate the time it will take to consolidate 50% with (i) double surface drainage (ii) single surface drainage if in both cases consolidation pressure is uniform.
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