Principles of Foundation Engineering (MindTap Course List)
8th Edition
ISBN: 9781305081550
Author: Braja M. Das
Publisher: Cengage Learning
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Chapter 9, Problem 9.19P
Solve Problem 12.23 using the method of Broms. Assume that the pile is flexible and free headed. Let the soil unit weight, γ = 16 kN/m3; the soil friction angle, ϕ′ = 30°; and the yield stress of the pile material. FY = 21 MN/m2.
12.23 A 30 m long concrete pile is 305 mm × 305 mm in cross section and is fully embedded in a sand dcposit. If nh = 9200 kN/m2, the moment at ground level Mg = 0, the allowable displacement of pile head = 12 mm; Ep = 21 × 106 kN/m2, and FY(pile) = 21,000 kN/m2, calculate the allowable lateral load, Qg, at the ground level. Use the elastic solution method.
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Chapter 9 Solutions
Principles of Foundation Engineering (MindTap Course List)
Ch. 9 - A 20 m long concrete pile is shown in Figure...Ch. 9 - Refer to the pile shown in Figure P9.1. Estimate...Ch. 9 - Prob. 9.3PCh. 9 - A driven closed-ended pile, circular in cross...Ch. 9 - Prob. 9.5PCh. 9 - Prob. 9.6PCh. 9 - Prob. 9.7PCh. 9 - Prob. 9.8PCh. 9 - Prob. 9.9PCh. 9 - A concrete pile 16 in. 16 in. in cross section is...
Ch. 9 - Prob. 9.11PCh. 9 - Solve Problem 12.13 using Eqs. (12.59) and...Ch. 9 - Prob. 9.13PCh. 9 - Prob. 9.14PCh. 9 - A steel pile (H-section; HP 310 125; see Table...Ch. 9 - A concrete pile is 20 m long and has a cross...Ch. 9 - Prob. 9.17PCh. 9 - Prob. 9.18PCh. 9 - Solve Problem 12.23 using the method of Broms....Ch. 9 - Prob. 9.20PCh. 9 - Solve Problem 12.25 using the modified EN formula....Ch. 9 - Solve Problem 12.25 using the modified Danish...Ch. 9 - Figure 12.49a shows a pile. Let L = 15 m, D (pile...Ch. 9 - Redo Problem 12.30 assuming that the water table...Ch. 9 - Refer to Figure 12.49b. Let L = 18 m, fill = 17...Ch. 9 - A concrete pile measuring 16 in. × 16 in. in cross...Ch. 9 - The plan of a group pile is shown in Figure...Ch. 9 - Prob. 9.28PCh. 9 - The section of a 4 × 4 group pile in a layered...Ch. 9 - Prob. 9.30P
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