For a normally consolidated clay layer in the field, the following values are given: Thickness of clay layer = 8.5 ft ● • Void ratio = 0.8 • Compression index (CC) = 0.28 Average effective pressure on the clay layer is 2650 lb/ft² Additional Overburden Pressure is 970 lb/ft² Secondary compression index (Ca) is 0.02 Determine the secondary compression settlement of the clay layer five years after the completion of primary consolidation settlement? (Note: Time for completion of primary settlement is 3 years.) Select the correct response: 0.7621" 0.4932" 0.2363" 0.5524"

Principles of Foundation Engineering (MindTap Course List)
8th Edition
ISBN:9781305081550
Author:Braja M. Das
Publisher:Braja M. Das
Chapter16: Soil Improvement And Ground Modification
Section: Chapter Questions
Problem 16.8P
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For a normally consolidated clay layer in the field, the following values are given:
Thickness of clay layer = 8.5 ft
Void ratio = 0.8
•
●
Compression index (Cc) = 0.28
Average effective pressure on the clay layer is 2650 lb/ft²
Additional Overburden Pressure is 970 lb/ft²
Secondary compression index (Ca) is 0.02
Determine the secondary compression settlement of the clay layer five years after the completion of primary consolidation settlement? (Note: Time for
completion of primary settlement is 3 years.)
Select the correct response:
0.7621"
0.4932
0.2363"
0.5524"
Transcribed Image Text:For a normally consolidated clay layer in the field, the following values are given: Thickness of clay layer = 8.5 ft Void ratio = 0.8 • ● Compression index (Cc) = 0.28 Average effective pressure on the clay layer is 2650 lb/ft² Additional Overburden Pressure is 970 lb/ft² Secondary compression index (Ca) is 0.02 Determine the secondary compression settlement of the clay layer five years after the completion of primary consolidation settlement? (Note: Time for completion of primary settlement is 3 years.) Select the correct response: 0.7621" 0.4932 0.2363" 0.5524"
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