Q3c. The soil profile at a new construction site for a shallow foundation is shown in Figure Q3. Prior to construction, a uniformly distributed load of 120 kN/m² is applied to the surface of the soil. By using C, equal to 0.133C, Sand Y = 14 kN/m 3m Ground water table 3m Ysat = 18 kN/m Sand Yuat = 19 kN/m? Void ratio e = 0.8 3m Clay LL = 40 Sand Figure Q3

Fundamentals of Geotechnical Engineering (MindTap Course List)
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Author:Braja M. Das, Nagaratnam Sivakugan
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Chapter17: Settlement Of Shallow Foundations
Section: Chapter Questions
Problem 17.17CTP
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Q3c. The soil profile at a new construction site for a shallow foundation is shown in Figure Q3.
Prior to construction, a uniformly distributed load of 120 kN/m² is applied to the surface of
the soil. By using C, equal to 0.133C.
Sand
Y = 14 kN/m?
3m
Ground water table
3m
Ysat = 18 kN/m
Sand
Ysat = 19 kN/m?
Void ratio e = 0.8
3m
Clay
LL = 40
Sand
Figure Q3
(i)
Calculate the settlement of the clay layer caused by primary consolidation if the clay is
normally consolidated.
(ii)
Calculate the settlement of the clay layer caused by primary consolidation if the
preconsolidation pressure (o'.) = 170 kN/m².
Transcribed Image Text:Q3c. The soil profile at a new construction site for a shallow foundation is shown in Figure Q3. Prior to construction, a uniformly distributed load of 120 kN/m² is applied to the surface of the soil. By using C, equal to 0.133C. Sand Y = 14 kN/m? 3m Ground water table 3m Ysat = 18 kN/m Sand Ysat = 19 kN/m? Void ratio e = 0.8 3m Clay LL = 40 Sand Figure Q3 (i) Calculate the settlement of the clay layer caused by primary consolidation if the clay is normally consolidated. (ii) Calculate the settlement of the clay layer caused by primary consolidation if the preconsolidation pressure (o'.) = 170 kN/m².
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