An 8 m thick clay layer is located between two layers of sand. Also there is a thin drainage layer within clay layer at a depth of 3 m from top. If a structure is constructed above clay layer, the time required in days to attain half the ultimate settlement is (Assume T, =u? is valid for whole range of consolidation.) 4 [Take C,= 4.2 x 10-2 mm2/s]

Principles of Foundation Engineering (MindTap Course List)
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ISBN:9781305081550
Author:Braja M. Das
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Chapter16: Soil Improvement And Ground Modification
Section: Chapter Questions
Problem 16.10P
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An 8 m thick clay layer is located between two layers of sand. Also there is a thin drainage
layer within clay layer at a depth of 3 m from top. If a structure is constructed above clay
layer, the time required in days to attain half the ultimate settlement is
(Assume T, =
qu" is valid for whole range of consolidation.)
4
[Take C,= 4.2 × 10-2 mm²/s]
Transcribed Image Text:An 8 m thick clay layer is located between two layers of sand. Also there is a thin drainage layer within clay layer at a depth of 3 m from top. If a structure is constructed above clay layer, the time required in days to attain half the ultimate settlement is (Assume T, = qu" is valid for whole range of consolidation.) 4 [Take C,= 4.2 × 10-2 mm²/s]
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