4. A concrete pile 406mm 406mm in cross section is shown in the figure. Calculate the ultimate skin friction resistance

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4 A Concrete Pile 406mm 406mm In Cross Section Is Shown In The Figure Calculate The Ultimate Skin Friction Resistance 1 (151.76 KiB) Viewed 22 times

4. A concrete pile 406mm 406mm in cross section is shown in the figure. Calculate the ultimate skin friction resistance by using the a) a method, b) A-method, and c) B-method. Use or' = 20 for all clays, which are normally consolidated 6.1 m Silty clay 7-18.55 kN/m - 35 kN/m? Groundwater lable 12.2 m Silty clay Y = 19.24 kN/m C = 75 kN/m 406 mm 5. A 12m long concrete pile is shown in the figure. Estimate the ultimate point load Qby Meyerhof's method. 4 = 0 N: 4 = 0.5p.N tano'; N = 56.7 for $' = 30°; = 525.0 for ' = 42 Concrete pile 356 mm x 356 mm Loose sand 6-30 y = 17.5 kN/m 12 m Dense sand d = 42 y 18.5 kN/m2 6. Refer to the pile of Problem #5. Estimate the friction resistance Qs. Use K=1,3 and 8' = 0.86'. 7. Based on the results of Problems #5 and #6, calculate an allowable load for the pile. Use FS-3.0.