A 0.5 x 0.5m square concrete pile is to be driven in a homogeneous clayey soilhaving undrained shear strength, cu = 50 kPa and unit weight, g = 18 kN/m². Thedesign capacity of the pile is 500 kN. The adhesion factor a is given as 0.75.The length of the pile required for the above design load with a factor of safetyof 2.0 is..

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The length of the pile required for the above design load

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 18.5P: A 400 mm 400 mm square precast concrete pile of 15 m length is driven into a sand where = 18.0...

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Concept explainers

Pricing Excavation and Backfill

Backfill, in construction, is the activity of returning the soil and gravel that are removed during building construction or using them again to toughen and support the foundation of the building or any other structural component.

Question

A 0.5 x 0.5m square concrete pile is to be driven in a homogeneous clayey soil
having undrained shear strength, cu = 50 kPa and unit weight, g = 18 kN/m². The
design capacity of the pile is 500 kN. The adhesion factor a is given as 0.75.
The length of the pile required for the above design load with a factor of safety
of 2.0 is..

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