determine the time it took the clay layer to reach 90% consolidation after sand fill placement and after sand fill removal. Assume cV = 8 e-6 ft ^2/s.
determine the time it took the clay layer to reach 90% consolidation after sand fill placement and after sand fill removal. Assume cV = 8 e-6 ft ^2/s.
Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Braja M. Das, Khaled Sobhan
Chapter11: Compressibility Of Soil
Section: Chapter Questions
Problem 11.4P
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Question
Assuming the bedrock is impermeable, determine the time it took the clay layer to reach 90% consolidation
after sand fill placement and after sand fill removal. Assume cV = 8 e-6 ft ^2/s.
![Sandy fill to be placed Tm
= 115 pcf
Consolidation test data
10 ft
Eo = 1.5
C. = 0.4
C, = 0.03
o = 1000 psf
sample
20 ft
%3D
Soft clay Ysat
112.4 pcf
Bedrock](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe3a3c092-8edf-4a3b-bf74-fe27039a910c%2F16d6f19f-2719-4fdb-a4e9-5b7786f6fdf5%2Fqhii7ca_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Sandy fill to be placed Tm
= 115 pcf
Consolidation test data
10 ft
Eo = 1.5
C. = 0.4
C, = 0.03
o = 1000 psf
sample
20 ft
%3D
Soft clay Ysat
112.4 pcf
Bedrock
![A 12 ft. sandy fill is to be added to the saturated clay site shown below. The moist unit weight of the
sandy fill is 115 pcf. The data from the consolidation test performed on the clay sample is provided.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe3a3c092-8edf-4a3b-bf74-fe27039a910c%2F16d6f19f-2719-4fdb-a4e9-5b7786f6fdf5%2F7q777hl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A 12 ft. sandy fill is to be added to the saturated clay site shown below. The moist unit weight of the
sandy fill is 115 pcf. The data from the consolidation test performed on the clay sample is provided.
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Assuming the bedrock is impermeable, determine the time it took the clay layer to reach 90% consolidation after sand fill placement and after sand fill removal. Assume cv = 8 e-6 ft^2/s.
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