A 50 cm diameter precast pile is driven by 9 m into a sandy soil. The standard penetration testresults, prformed on this ground, are given in the table below:Depth below ground surface (m)3.04.56.07.5 9.0 10.5 12.0SPT (N55)612 12 20 24 35 391.54If the skin resistance is equal to (ts=2 x (average Nss along the pile shaft)} kPa. Compute thenumber of piles that needed to support a total load of 4400 KN with factor of safety (2.5).

D = 50 cm or 0.5 m L = 9 m Q = 4400 kNFS = 2.5

A 50 cm diameter precast pile is driven by 9 m into a sandy soil. The standard penetration test results, prformed on this ground, are given in the table below: Depth below ground surface (m) 3.0 4.5 6.0 12 12 20 SPT (N55) 6 1.5 4 7.5 9.0 10.5 12.0 24 35 39 If the skin resistance is equal to (ts=2 x (average Nss along the pile shaft)} kPa. Compute the number of piles that needed to support a total load of 4400 KN with factor of safety (2.5).

A 50 cm diameter precast pile is driven by 9 m into a sandy soil. The standard penetration test results, prformed on this ground, are given in the table below: Depth below ground surface (m) 3.0 4.5 6.0 12 12 20 SPT (N55) 6 1.5 4 7.5 9.0 10.5 12.0 24 35 39 If the skin resistance is equal to (ts=2 x (average Nss along the pile shaft)} kPa. Compute the number of piles that needed to support a total load of 4400 KN with factor of safety (2.5).

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter18: Pile Foundation

Section: Chapter Questions

Problem 18.13P

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