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Q4: It is required to construct a pile foundation comprised of 25 piles arranged in 5 columns at distances of 120 cm center

Q4: It is required to construct a pile foundation comprised of 25 piles arranged in 5 columns at distances of 120 cm center

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Q4: It is required to construct a pile foundation comprised of 25 piles arranged in 5 columns at distances of 120 cm center to center. The diameter and lengths of the piles are 50 cm and 12 m respectively. The bottom of the pile cap is located at a depth of 3 m from the ground surface. The details of the soil properties etc. are as given below with reference to ground level as the datum. The water table was found at a depth of 6 m from ground level. Compute the consolidation settlement of the pile foundation if the total load imposed on the foundation is 3000 kN 25 degrees Depth Soil properties From То 3 Silt, saturated, y= 15.8 kN/m³ Clay, saturated, y = 18.80 kN/m³ Clay, saturated, y = 19.6 kN/m³, qu = 125 kN/m², e,= 0.75, C=0.27 Clay, y = 18.30 kN/m³, qu = 100 kN/m², e, = 0.97, C=0.41 Clay, y= 19.85 kN/m³, q, = 165 kN/m², e, = 0.68, Ce=0.24 Rocky stratum 3 5 10 10 14 14 18 18
Transcribed Image Text:Q4: It is required to construct a pile foundation comprised of 25 piles arranged in 5 columns at distances of 120 cm center to center. The diameter and lengths of the piles are 50 cm and 12 m respectively. The bottom of the pile cap is located at a depth of 3 m from the ground surface. The details of the soil properties etc. are as given below with reference to ground level as the datum. The water table was found at a depth of 6 m from ground level. Compute the consolidation settlement of the pile foundation if the total load imposed on the foundation is 3000 kN 25 degrees Depth Soil properties From То 3 Silt, saturated, y= 15.8 kN/m³ Clay, saturated, y = 18.80 kN/m³ Clay, saturated, y = 19.6 kN/m³, qu = 125 kN/m², e,= 0.75, C=0.27 Clay, y = 18.30 kN/m³, qu = 100 kN/m², e, = 0.97, C=0.41 Clay, y= 19.85 kN/m³, q, = 165 kN/m², e, = 0.68, Ce=0.24 Rocky stratum 3 5 10 10 14 14 18 18
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