A group pile has a section of 4 x 4 with each having a diameter of 305 mm are embedded in clay. The length of the piles are 12 m and the spacing between the piles (d) are 1.0 m. The recorded soil profile for the ground is shown in Table 1. Propose the allowable load bearing capacity of the pile with a factor of safety of (FS) of 3. (b)
A group pile has a section of 4 x 4 with each having a diameter of 305 mm are embedded in clay. The length of the piles are 12 m and the spacing between the piles (d) are 1.0 m. The recorded soil profile for the ground is shown in Table 1. Propose the allowable load bearing capacity of the pile with a factor of safety of (FS) of 3. (b)
Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter12: Pile Foundations
Section: Chapter Questions
Problem 12.10P
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![A group pile has a section of 4 x 4 with each having a diameter of 305 mm are
embedded in clay. The length of the piles are 12 m and the spacing between the piles
(d) are 1.0 m. The recorded soil profile for the ground is shown in Table 1. Propose the
allowable load bearing capacity of the pile with a factor of safety of (FS) of 3.
(b)
TABLE 1 : Soil type and soil parameter
Depth
Soil parameter
0.0 m to 2.0 m | Unit weight = 17.5 kN/m³
Cohesion
= 20 kN/m?
2.0 m to 8.0 m Unit weight = 18.5 kN/m³
Cohesion = 60 kN/m?
8.0 m to 15.0 m Unit weight = 20.1 kN/m³
Cohesion = 80 kN/m?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1f6dcc75-a57d-4e57-89d6-bf3f0e44e7e6%2F899dc5db-fe1a-457d-804c-b2f164583231%2Fs5oyp1a_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A group pile has a section of 4 x 4 with each having a diameter of 305 mm are
embedded in clay. The length of the piles are 12 m and the spacing between the piles
(d) are 1.0 m. The recorded soil profile for the ground is shown in Table 1. Propose the
allowable load bearing capacity of the pile with a factor of safety of (FS) of 3.
(b)
TABLE 1 : Soil type and soil parameter
Depth
Soil parameter
0.0 m to 2.0 m | Unit weight = 17.5 kN/m³
Cohesion
= 20 kN/m?
2.0 m to 8.0 m Unit weight = 18.5 kN/m³
Cohesion = 60 kN/m?
8.0 m to 15.0 m Unit weight = 20.1 kN/m³
Cohesion = 80 kN/m?
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