An oedometer (consolidation) test is performed on a 4" thick specimen, drained on top and bottom. It was observed that 45 percent consolidation (T, = 0.15) was attained in 78 hours. Determine the time required to attain 70 percent consolidation (T, = 0.40) in a job site where the clay stratum is shown below. Building's load 20 WT SAND CLAY 25" SAND

Principles of Geotechnical Engineering (MindTap Course List)
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ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
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Chapter11: Compressibility Of Soil
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Geotechnical

Problem 8:
An ocdometer (consolidation) test is performed on a 4" thick specimen, drained on top and bottom. It was observed that 45 percent
consolidation (T, = 0.15) was attained in 78 hours. Determine the time required to attain 70 percent consolidation (T, = 0.40) in a job site
where the clay stratum is shown below.
Building's load
20
WT
SAND
CLAY
25
SAND
Transcribed Image Text:Problem 8: An ocdometer (consolidation) test is performed on a 4" thick specimen, drained on top and bottom. It was observed that 45 percent consolidation (T, = 0.15) was attained in 78 hours. Determine the time required to attain 70 percent consolidation (T, = 0.40) in a job site where the clay stratum is shown below. Building's load 20 WT SAND CLAY 25 SAND
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