A singly under-reamed, 10 m long, RCC pile (as shown in the figurebelow) weighing 22 kN with 340 mm shaft diameter and 700 mmunder - ream diameter is installed within stiff saturated silty clay(undrained shear strength is 60 kPa, adhesion factor is 0.3 and theapplicable bearing capacity factor is 9) to counteract the impact ofsoil swelling on a structure constructed above. Neglect suction andthe contribution of the under - ream to the adhesive shaft capacity.What would be the estimated ultimate tensile capacity of the pile?420 mm340 mm700 mm10 m

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Answered: What would be the estimated ultimate…

Engineering

Civil Engineering

What would be the estimated ultimate tensile capacity of the pile?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Foundation construction

Question

A singly under-reamed, 10 m long, RCC pile (as shown in the figure
below) weighing 22 kN with 340 mm shaft diameter and 700 mm
under - ream diameter is installed within stiff saturated silty clay
(undrained shear strength is 60 kPa, adhesion factor is 0.3 and the
applicable bearing capacity factor is 9) to counteract the impact of
soil swelling on a structure constructed above. Neglect suction and
the contribution of the under - ream to the adhesive shaft capacity.
What would be the estimated ultimate tensile capacity of the pile?
420 mm
340 mm
700 mm
10 m

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