Answered: (a) Calculate the settlement due to…

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 11.15P

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Transcribed Image Text:3. A foundation for a building is proposed for a site with a soil profile as shown in Figure 2. The specific gravity of the sand layer overlying the clay is 2.65, and the void ratio is 0.7. The sand layer above the groundwater table has a saturation degree of 50%. The void ratio of the clay is 0.9 and the saturated unit weight is 18.5 kN/m³. Laboratory tests on the saturated clay gave the following results: OCR = 1.5, Cr=0.08, Cc =0.3. Gravitational acceleration is g=9.81 m/s². (a) Calculate the settlement due to primary consolidation for the 10 m clay layer if the surcharge is 100 kPa. (b) Calculate the settlement due to primary consolidation for the 10 m clay layer if the surcharge is 150 kPa. Sand Clay Surcharge Rock Figure 2 Soil profile for the site. 5 m 10 m 10 m

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