Problem 4: A group of piles are arranged as shown on the next slide. The piles are circular in cross section with diameters of 0.35 m and lengths of 20 m. They are equally spaced at 0.80 m on centers. They are to be driven in clay soil of 18.5 kN/m3 weight per unit volume. Cohesion of the soil is given to be 60 kN/m?, a = 0.60, bearing capacity factor, Nc = 9, Factor of Safety = 3. a) Determine the design capacity of the group of piles considering the piles act individually. b) Calculate the allowable capacity of the piles if the group act as a block using Bowles Analysis and Design, c) Compute for the minimum pile spacing to be 100%.
Problem 4: A group of piles are arranged as shown on the next slide. The piles are circular in cross section with diameters of 0.35 m and lengths of 20 m. They are equally spaced at 0.80 m on centers. They are to be driven in clay soil of 18.5 kN/m3 weight per unit volume. Cohesion of the soil is given to be 60 kN/m?, a = 0.60, bearing capacity factor, Nc = 9, Factor of Safety = 3. a) Determine the design capacity of the group of piles considering the piles act individually. b) Calculate the allowable capacity of the piles if the group act as a block using Bowles Analysis and Design, c) Compute for the minimum pile spacing to be 100%.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![Problem 4:
A group of piles are arranged as shown on the next
slide. The piles are circular in cross section with
diameters of 0.35 m and lengths of 20 m. They are
equally spaced at 0.80 m on centers. They are to be
driven in clay soil of 18.5 kN/m3 weight per unit
volume. Cohesion of the soil is given to be 60 kN/m?,
a = 0.60, bearing capacity factor, Nc = 9, Factor of
Safety = 3.
a) Determine the design capacity of the group of
piles considering the piles act individually.
b) Calculate the allowable capacity of the piles if
the group act as a block using Bowles Analysis
and Design,
c) Compute for the minimum pile spacing to be
100%.
0.80 m
0.80 m
0.80 m
0.80 m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdbcd0306-cd14-4a26-872e-0eb4b6816229%2F0078d5f6-a163-42f3-9fc4-96780f989ec7%2Fc5twtvw_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Problem 4:
A group of piles are arranged as shown on the next
slide. The piles are circular in cross section with
diameters of 0.35 m and lengths of 20 m. They are
equally spaced at 0.80 m on centers. They are to be
driven in clay soil of 18.5 kN/m3 weight per unit
volume. Cohesion of the soil is given to be 60 kN/m?,
a = 0.60, bearing capacity factor, Nc = 9, Factor of
Safety = 3.
a) Determine the design capacity of the group of
piles considering the piles act individually.
b) Calculate the allowable capacity of the piles if
the group act as a block using Bowles Analysis
and Design,
c) Compute for the minimum pile spacing to be
100%.
0.80 m
0.80 m
0.80 m
0.80 m
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