Estimate the primary consolidation settlement of the clay. Assume the soil above the water table to be saturated, Cc = 0.3, and Gs = 2.7

Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter8: Stresses In A Soil Mass
Section: Chapter Questions
Problem 8.10P: The soil profile at a site consists of 10 m of gravelly sand underlain by a soft clay layer. The...
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Estimate the primary consolidation settlement of the clay. Assume the soil above the water table to be saturated, Cc = 0.3, and Gs = 2.7

Settlement
Fine sand
Clay
Coarse sand
3m
7m
1m
The soil profile at a site for a proposed office building consists of a layer of fine sand 10m thick above a layer of
soft, normally consolidated clay 1m thick. The groundwater table was observed at 3m below ground level. The void
ratio of the sand is 0.76 and the water content of the clay is 34%. The building will impose a vertical stress increase
of 80kPa at the middle of the clay layer.
Transcribed Image Text:Settlement Fine sand Clay Coarse sand 3m 7m 1m The soil profile at a site for a proposed office building consists of a layer of fine sand 10m thick above a layer of soft, normally consolidated clay 1m thick. The groundwater table was observed at 3m below ground level. The void ratio of the sand is 0.76 and the water content of the clay is 34%. The building will impose a vertical stress increase of 80kPa at the middle of the clay layer.
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