Question: Redo Problem 11.23 with the following: center-to-center spacing of piles = 30 in., length of piles = 45 ft, D = 12 in., c u

Redo Problem 11.23 with the following: center-to-center spacing of piles = 30 in., length of piles = 45 ft, D = 12 in., c_u =860 b/ft² and FS = 3.

Problem 11.23

The plan of a group pile is shown in Figure P11.23. Assume that the piles are embedded in a saturated homogeneous clay having a c_u = 86 kN/m² Given: diameter of piles (D) 5 316 mm, the center-to-center spacing of piles = 600 mm, and length of piles = 20 m. Find the allowable load-carrying capacity of the pile group. Use FS = 3.

Figure p11.23

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