A circular pile having a diameter of 0.45 m is 10 m long is embedded in a layer of loose sand with unit weight of 17.6 kN/cu.m. Water table exists at a depth 3 m from the ground surface. Saturated unit weight is 20.4 kN/cu.m. Lateral pressure coefficient = 1.15, bearing capacity factor = 79, friction angle = 34 degrees and FS = 3.0. Hint: tan(0)=u a. Compute the average effective pressure at critical depth. b. Determine the ultimate load capacity of the pile. c. If the pile is embedded on dense sand, determine the difference in the frictional capacity.

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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1. A circular pile having a diameter of 0.45 m is 10 m long is embedded in a layer of loose
sand with unit weight of 17.6 kN/cu.m. Water table exists at a depth 3 m from the ground
surface. Saturated unit weight is 20.4 kN/cu.m. Lateral pressure coefficient = 1.15, bearing
capacity factor = 79, friction angle = 34 degrees and FS = 3.0. Hint: tan(0)=u
a. Compute the average effective pressure at critical depth.
b. Determine the ultimate load capacity of the pile.
c. If the pile is embedded on dense sand, determine the difference in the frictional
capacity.
Transcribed Image Text:1. A circular pile having a diameter of 0.45 m is 10 m long is embedded in a layer of loose sand with unit weight of 17.6 kN/cu.m. Water table exists at a depth 3 m from the ground surface. Saturated unit weight is 20.4 kN/cu.m. Lateral pressure coefficient = 1.15, bearing capacity factor = 79, friction angle = 34 degrees and FS = 3.0. Hint: tan(0)=u a. Compute the average effective pressure at critical depth. b. Determine the ultimate load capacity of the pile. c. If the pile is embedded on dense sand, determine the difference in the frictional capacity.
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