Principles of Foundation Engineering (MindTap Course List)
Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN: 9781337705028
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Chapter 12, Problem 12.31P

Redo Problem 12.30 assuming that the water table coincides with the top of the fill and that γsat(fill) = 19.8 kN/m3. If the other quantities remain the same, what would be the downward drag force on the pile? Assume δ' = 0.5ϕ′fill.

12.30 Figure 12.49a shows a pile. Let L = 15 m, D (pile diameter) 305 mm, Hf = 3 m, γfill = 17.5 kN/m3, and ϕ′fill = 25°. Determine the total downward drag force on the pile. Assume that the fill is located above the water table and that δ′ = 0.5ϕ′fill.

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Please answer 11.20
Consider a continuous flight auger pile in a sandy soil deposit 10 m long with a diameter of 0.45 m. Following is the variation of standard penetration resistance values (N60) with depth. Estimate the ultimate load-carrying capacity of the pile. Assume unit weight of soil, γ = 15.5 kN/m3.
Redo Problem 9.23 assuming that the water table coincides with the top of the fill and that γsat(fill) = 19.8 kN/m3. If the other quantities remain the same, what would be the downward drag force on the pile? Assume ẟ' = 0.5 Φ'fill.

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Principles of Foundation Engineering (MindTap Course List)

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