batubaraputri471 batubaraputri471 17-01-2024 Engineering contestada 11.15 Solve Problem 11.14 by Brom's method. Assume that the pile is flexible and free headed. Let the soil unit weight, y = 16 kN/m²; the soil friction angle, ' = 30°; and the yield stress of the pile material, Fy 21 MN/m².