A square prestressed concrete pile with a cross section 0.3 m by 0.3 m is driven 15 m into over- consolidated clays with properties as defined: From the ground surface to a depth of 7 m, the unit weight is 17 kN/m³ and the shear strength cohesion c, is 70 kPa; below 7 m, the soil unit weight is 18.5 kN/m³ and cohesion is 105 kPa. Use the total stress α-method to calculate both the design downward axial capacity and upward axial capacity, using a factor of safety of 3 (downward and upward).

A square prestressed concrete pile with a cross section 0.3 m by 0.3 m is driven 15 m into over- consolidated clays with properties as defined: From the ground surface to a depth of 7 m, the unit weight is 17 kN/m³ and the shear strength cohesion c, is 70 kPa; below 7 m, the soil unit weight is 18.5 kN/m³ and cohesion is 105 kPa. Use the total stress α-method to calculate both the design downward axial capacity and upward axial capacity, using a factor of safety of 3 (downward and upward).

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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