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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. (1) How long will it take for a similar clay layer in the field, 3.2 m thick, but drained at the top only, to undergo 50% consolidation? (2) Find the time required for the clay layer in the field as described in part (a) above, to reach a 65% consolidation.

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. (1) How long will it take for a similar clay layer in the field, 3.2 m thick, but drained at the top only, to undergo 50% consolidation? (2) Find the time required for the clay layer in the field as described in part (a) above, to reach a 65% consolidation.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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**Problem 9:** Laboratory tests on a 25 mm thick clay specimen drained at both the top and bottom show that 50% consolidation takes place in 8.5 minutes. 1. How long will it take for a similar clay layer in the field, 3.2 m thick, but drained at the top only, to undergo 50% consolidation? 2. Find the time required for the clay layer in the field as described in part (1) above, to reach a 65% consolidation.
Transcribed Image Text:**Problem 9:** Laboratory tests on a 25 mm thick clay specimen drained at both the top and bottom show that 50% consolidation takes place in 8.5 minutes. 1. How long will it take for a similar clay layer in the field, 3.2 m thick, but drained at the top only, to undergo 50% consolidation? 2. Find the time required for the clay layer in the field as described in part (1) above, to reach a 65% consolidation.
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