A 600 mm square prestressed concrete pile is to be driven to a depth of 20.0 m into the follow- ing soil profile:

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A 600 mm square prestressed concrete pile is to be driven to a depth of 20.0 m into the follow-
ing soil profile:
Unit Weight, y
(kN/m)
Undrained Shear
Depth (m)
Soil Classification
Strength, s, (kPa)
0-3.0
Silty clay
17.0
50
3.0-10.2
Clayey silt
17.5
55
10.2–12.0
Clay
17.8
80
12.0-22.0
Clay
18.1
120
The groundwater table is at a depth of 5 m. Using the Randolph and Murphy method with a
factor of safety of 3.0, compute the ASD allowable downward load capacity, Pa-
Transcribed Image Text:Q3/ A 600 mm square prestressed concrete pile is to be driven to a depth of 20.0 m into the follow- ing soil profile: Unit Weight, y (kN/m) Undrained Shear Depth (m) Soil Classification Strength, s, (kPa) 0-3.0 Silty clay 17.0 50 3.0-10.2 Clayey silt 17.5 55 10.2–12.0 Clay 17.8 80 12.0-22.0 Clay 18.1 120 The groundwater table is at a depth of 5 m. Using the Randolph and Murphy method with a factor of safety of 3.0, compute the ASD allowable downward load capacity, Pa-
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