Determine the design capacity of the pile group shown below. The pile cap thickness is 1.5 meters, and groundwater table is located 2.8 meters below the ground surface. Piles are 350-mm in diameter and 12 meters in length. Use a critical depth equal to 18*dpile (starting from ground level), K = 3, ac (adhesion factor for clay) = 0.5, as (wall friction angle for sand)= 25°, and FS = 3. Only consider single-pile action and neglect the capacity of the pile cap. Ground Level 1.5 m - Firm Clay c - 35 kPa Yary - 14.6 kN/m³ Y =17.9 kN/m³ - 3.5 m Medium Dense Sand 9-31° - 6.2 m Ydry- 16.8 kN/m³ Yat = 19.4 kN/m³ Layout of Pile Group Dense Sand 9=420 Ydy= 18.2 kN/m³ Yut- 20.1 kN/m³ N - 200 %3D
Determine the design capacity of the pile group shown below. The pile cap thickness is 1.5 meters, and groundwater table is located 2.8 meters below the ground surface. Piles are 350-mm in diameter and 12 meters in length. Use a critical depth equal to 18*dpile (starting from ground level), K = 3, ac (adhesion factor for clay) = 0.5, as (wall friction angle for sand)= 25°, and FS = 3. Only consider single-pile action and neglect the capacity of the pile cap. Ground Level 1.5 m - Firm Clay c - 35 kPa Yary - 14.6 kN/m³ Y =17.9 kN/m³ - 3.5 m Medium Dense Sand 9-31° - 6.2 m Ydry- 16.8 kN/m³ Yat = 19.4 kN/m³ Layout of Pile Group Dense Sand 9=420 Ydy= 18.2 kN/m³ Yut- 20.1 kN/m³ N - 200 %3D
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter18: Pile Foundation
Section: Chapter Questions
Problem 18.18P
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