A 24 inch square prestressed concrete pile is to be driven to a depth of 68 ft into the following soil profile: Undrained Shear Strength, S (lb/ft²) 1000 1300 2000 2500 Depth (ft) 0-10 10-32 32-40 40-70 Soil Classification Silty clay Clayey silt Clay Clay Unit Weight, y (lb/ft³) 110 118 116 119 The groundwater table is at a depth of 5 ft. Make layers with 8 or 10 ft. Using the alpha model with a factor of safety of 3.0, compute the ASD allowable downward load capacity, Pa.
A 24 inch square prestressed concrete pile is to be driven to a depth of 68 ft into the following soil profile: Undrained Shear Strength, S (lb/ft²) 1000 1300 2000 2500 Depth (ft) 0-10 10-32 32-40 40-70 Soil Classification Silty clay Clayey silt Clay Clay Unit Weight, y (lb/ft³) 110 118 116 119 The groundwater table is at a depth of 5 ft. Make layers with 8 or 10 ft. Using the alpha model with a factor of safety of 3.0, compute the ASD allowable downward load capacity, Pa.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A 24 inch square prestressed concrete pile is to be driven to a depth of 68 ft into the following soil profile:
Undrained Shear
Strength, S
(lb/ft²)
1000
1300
2000
2500
Soil Classification
Silty clay
ITT
Clayey silt
Clay
Clay
Depth (ft)
0-10
10-32
32-40
40-70
Unit Weight, y
(lb/ft³)
110
118
116
119
The groundwater table is at a depth of 5 ft. Make layers with 8 or 10 ft. Using the alpha model
with a factor of safety of 3.0, compute the ASD allowable downward load capacity, Pa.
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