12. A stratum of clay 1.8 m thick below an incompressible soil will be subjected to a stress increase of 36 kPa. The magnitude of the preconstruction soil overburden pressure in laboratory compression tests indicates that the clay is overconsolidated with a preconsolidation pressure equal to 72 kPa. The value of the compression index Cc= 0.30 and the swell index is equal to 0.05, void ratio of the clay is 1.50. Determine the change in thickness in the clay layer due to this condition
12. A stratum of clay 1.8 m thick below an incompressible soil will be subjected to a stress increase of 36 kPa. The magnitude of the preconstruction soil overburden pressure in laboratory compression tests indicates that the clay is overconsolidated with a preconsolidation pressure equal to 72 kPa. The value of the compression index Cc= 0.30 and the swell index is equal to 0.05, void ratio of the clay is 1.50. Determine the change in thickness in the clay layer due to this condition
Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter2: Geotechnical Properties Of Soil
Section: Chapter Questions
Problem 2.12P
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12. A stratum of clay 1.8 m thick below an incompressible soil will be subjected to a stress increase of 36
kPa. The magnitude of the preconstruction soil overburden pressure in laboratory compression tests
indicates that the clay is overconsolidated with a preconsolidation pressure equal to 72 kPa. The value
of the compression index Cc= 0.30 and the swell index is equal to 0.05, void ratio of the clay is 1.50.
Determine the change in thickness in the clay layer due to this condition
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