2. A reinforced concrete pile weighing 30kN (inclusive of helmet and dolly) is driven by a drop hammer weighing 40kN and having an effective fall of 0.8m. The average set per blow is 1.4cm. The total temporary elastic compression is 1.8cm. Assuming the coefficient of restitution as 0.25 and factor of safety of 2, determine the ultimate bearing capacity and allowable load for the pile.

2. A reinforced concrete pile weighing 30kN (inclusive of helmet and dolly) is driven by a drop hammer weighing 40kN and having an effective fall of 0.8m. The average set per blow is 1.4cm. The total temporary elastic compression is 1.8cm. Assuming the coefficient of restitution as 0.25 and factor of safety of 2, determine the ultimate bearing capacity and allowable load for the pile.

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 18.9P: Determine the maximum load that can be allowed on a 500 mm diameter and 18 m long pile driven into a...

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