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)

Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter18: Sheet-pile Walls
Section: Chapter Questions
Problem 18.1P: Refer to Figure 18.9. A cantilever sheet pile is driven into a granular soil where the water table...
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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
Transcribed Image Text: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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