7. If a 45 cm diameter pipe pile is driven into clayey soil to a depth of 12 m. (a) what would the allowable load capacity (Q) be? The water table is 2 m below the ground surface and the soil profile consists of two clay layers (refer to the figure below). Use the ß method to calculate skin friction and the R=30° for all clay layers. (b) Explain how you selected FS value you use. 12 m 9m 2 m Y = 18.5kN/m³ = 30kN/m² Ysat = 19kN/m² G. = 30KM/m²

Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter18: Pile Foundation
Section: Chapter Questions
Problem 18.21P: Refer to Figure 18.26b. Let L = 15.24 m, fill = 17.29 kN/m3, sat(clay) = 19.49 kN/m3, clay = 20, Hf...
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7. If a 45 cm diameter pipe pile is driven into clayey soil to a depth of 12 m. (a) what would
the allowable load capacity (Q) be? The water table is 2 m below the ground surface and
the soil profile consists of two clay layers (refer to the figure below). Use the ß method to
calculate skin friction and the R=30° for all clay layers. (b) Explain how you selected
FS value you use.
12 m
9m
2 m
45 cm
Y = 18.5kN/m²³
C=
30kN/m²
Ysat = 19kN/m³
Cu
= 30kN/m²
Ysat =
20kN/m²
S = 60kN/m²
Transcribed Image Text:7. If a 45 cm diameter pipe pile is driven into clayey soil to a depth of 12 m. (a) what would the allowable load capacity (Q) be? The water table is 2 m below the ground surface and the soil profile consists of two clay layers (refer to the figure below). Use the ß method to calculate skin friction and the R=30° for all clay layers. (b) Explain how you selected FS value you use. 12 m 9m 2 m 45 cm Y = 18.5kN/m²³ C= 30kN/m² Ysat = 19kN/m³ Cu = 30kN/m² Ysat = 20kN/m² S = 60kN/m²
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