11.22 A concrete pile measuring 0.406 m × 0.406 m in cross section is 18.3 m long. It is fully embedded in a layer of sand. The following is an approximation of the me- chanical cone penetration resistance (q.) and the friction ratio (F,) for the sand layer. Estimate the allowable bearing capacity of the pile. Use FS = 4. Depth below ground surface (m) 4. (kN/m²) F,(%) 0-6.1 2803 2.3 6.1–13.7 3747 2.7 13.7-19.8 8055 2.8

Structural Analysis
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Chapter2: Loads On Structures
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11.22 A concrete pile measuring 0.406 m × 0.406 m in cross section is 18.3 m long. It is
fully embedded in a layer of sand. The following is an approximation of the me-
chanical cone penetration resistance (q.) and the friction ratio (F,) for the sand
layer. Estimate the allowable bearing capacity of the pile. Use FS = 4.
Depth below ground surface (m)
4. (kN/m²)
F,(%)
0-6.1
2803
2.3
6.1-13.7
3747
2.7
13.7-19.8
8055
2.8
Transcribed Image Text:11.22 A concrete pile measuring 0.406 m × 0.406 m in cross section is 18.3 m long. It is fully embedded in a layer of sand. The following is an approximation of the me- chanical cone penetration resistance (q.) and the friction ratio (F,) for the sand layer. Estimate the allowable bearing capacity of the pile. Use FS = 4. Depth below ground surface (m) 4. (kN/m²) F,(%) 0-6.1 2803 2.3 6.1-13.7 3747 2.7 13.7-19.8 8055 2.8
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