Fundamentals of Geotechnical Engineering (MindTap Course List)
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN: 9781305635180
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Chapter 18, Problem 18.20P

Figure 18.26a shows a pile. Let L = 20 m, D = 450 mm. Hf = 4m, γf = 17.5 kN/m3, ϕfill = 25°. Determine the total downward drag force on the pile. Assume that the fill is located above the water table and that δ′ = 0.5 ϕfill.

Chapter 18, Problem 18.20P, Figure 18.26a shows a pile. Let L = 20 m, D = 450 mm. Hf = 4m, f = 17.5 kN/m3, fill = 25. Determine

FIG. 18.26 Negative skin friction

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Problem #1 The figure below shows a cantilever sheet-pile wall penetrating a granular soil. Here, L1 = 4 m, L2 = 8 m, unit weight above water table= 16.1 kN/m3, saturated unit weight = 5 18.2 kN/m3, and friction angle of sand = 32 degrees. a. What is the theoretical depth of embedment, D? b.    For a 30% increase in D, what should be the total length of the sheet piles? c.    Determine the theoretical maximum moment of the sheet pile. d.    If the allowable flexural stress = 170 MPa, compute the required section modulus of the sheet pile.
Refer to Figure 9.42b. Let L = 18 m, γfill = 17 kN/m3, γsat(clay) = 19.8 kN/m3, Φ'clay = 20°, Hf = 3.5 m, and D (pile diameter) = 406 mm. The water table coincides with the top of the clay layer. Determine the total downward drag force on the pile. Assume ẟ' = 0.6 Φ'clay.
Determine the factor of safety against heave on the downstream side of the single-row sheet pile structure shown in Figure 9.30. Use the following soil and design parameters: H1 = 7 m, H2 = 3 m, thickness of permeable layer (T) = 12 m, design depth of penetration of sheet pile (D) = 4.5 m, and γsat = 17 kN/m3
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