Nine-pile group consist of 0.37-meter-diameter friction concrete piles 20 m long arranged in 3 rows by 3 columns. The piles are driven into clay having unconfined compressive strength of 121 kPa. The spacing of piles is 0.68 m. on-center. Adhesion factor of the piles is a = 0.78. Determine the allowable block capacity (in kN) of the piile group based on the arrangement described. Use FS = 3.49. Round off to two decimal places.

Nine-pile group consist of 0.37-meter-diameter friction concrete piles 20 m long arranged in 3 rows by 3 columns. The piles are driven into clay having unconfined compressive strength of 121 kPa. The spacing of piles is 0.68 m. on-center. Adhesion factor of the piles is a = 0.78. Determine the allowable block capacity (in kN) of the piile group based on the arrangement described. Use FS = 3.49. Round off to two decimal places.

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter12: Pile Foundations

Section: Chapter Questions

Problem 12.2P: A 20 m long concrete pile is shown in Figure P12.2. Estimate the ultimate point load Qp by a....

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