Laboratory tests on a 25mm thick clay specimen drained at both the top and bottom show that 50% consolidation takes place in 8.5 minutes. Find the time required for the clay layer in the field as described in How long will it take for a similar clay layer in the field, 3.2 m thick, but drained at the top and bottom, to undergo 50% consolidation, to reach a 65% consolidation.

Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter9: Consolidation
Section: Chapter Questions
Problem 9.17P
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Laboratory tests on a 25mm thick clay specimen drained at both the top and bottom show that 50% consolidation takes place in 8.5 minutes. Find the time required for the clay layer in the field as described in How long will it take for a similar clay layer in the field, 3.2 m thick, but drained at the top and bottom, to undergo 50% consolidation, to reach a 65% consolidation.

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