A solid circular concrete pile is to be driven into a clayey soil with the following properties: Unit weight Length (m) Layer C (kPa) (kN/m³) 15 Clay layer 1 L1 40 L1=5 50 L2=10 18 100 L3=12 20 L2 L3 Shale (Rigid base) A. The design capacity of the pile is 400 kN in undrained condition. Find the required diameter of the pile to achieve a factor of safety of 3. B. Assume the design capacity of the above pile is 400 kN and the diameter of the pile is 500 mm. If the average Young's modulus of soil is E. = 25 MPa and the Young's modulus of the pile is E. = 25 GPa, find the settlement of this single pile. 123 Clay layer 2 Clay layer 3
A solid circular concrete pile is to be driven into a clayey soil with the following properties: Unit weight Length (m) Layer C (kPa) (kN/m³) 15 Clay layer 1 L1 40 L1=5 50 L2=10 18 100 L3=12 20 L2 L3 Shale (Rigid base) A. The design capacity of the pile is 400 kN in undrained condition. Find the required diameter of the pile to achieve a factor of safety of 3. B. Assume the design capacity of the above pile is 400 kN and the diameter of the pile is 500 mm. If the average Young's modulus of soil is E. = 25 MPa and the Young's modulus of the pile is E. = 25 GPa, find the settlement of this single pile. 123 Clay layer 2 Clay layer 3
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A solid circular concrete pile is to be driven into a clayey soil with the following properties:
Unit
weight
Length
(m)
Layer Cu (kPa)
(kN/m³)
Clay layer 1
L1
40
L1 = 5
15
50
L2 = 10
L3= 12
18
20
100
L2
L3
Shale (Rigid base)
A. The design capacity of the pile is 400 kN in undrained condition. Find the required diameter of the pile to achieve a factor of safety of 3.
B. Assume the design capacity of the above pile is 400 kN and the diameter of the pile is 500 mm.
If the average Young's modulus of soil is E, = 25 MPa and the Young's modulus of the pile is Ep = 25 GPa, find the settlement of this single pile.
123
Clay layer 2
Clay layer 3
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