Determine the allowable load capacity of the 0.4 m diameter pile shown in Figure 4. The fill is new and unconsolidated. A steel shell is proposed around the pile within the fill layer to eliminate the negative friction. The ground water level is at the middle of the fill layer. Use a factor of safety of 2.5. (y=moist unit weight; ysat=saturated unit weight)

Determine the allowable load capacity of the 0.4 m diameter pile shown in Figure 4. The fill is new and unconsolidated. A steel shell is proposed around the pile within the fill layer to eliminate the negative friction. The ground water level is at the middle of the fill layer. Use a factor of safety of 2.5. (y=moist unit weight; ysat=saturated unit weight)

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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Question

Determine the allowable load capacity of the 0.4 m diameter pile shown in Figure 4. The fill is new and
unconsolidated. A steel shell is proposed around the pile within the fill layer to eliminate the negative friction. The
ground water level is at the middle of the fill layer. Use a factor of safety of 2.5. (y=moist unit weight; ysat=saturated
unit weight)
Steel shell
Fill layer
Ysat = 17 kN/m, Y=16 kN/m³
O'= 30° K=1.2 8'=0.86'
4 m
%3D
Clay (overconsolidated)
Ysat = 19.5kN/m³
10 m
PR' = 30° 8'=0.6¢R'
Sand
Ysat = 18 kN/m³, y = 16.5 kN/m3
O'= 30° K=1.3
18 m
8'=0.86'
0.5 m

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