9.5 Following is the variation of Ngo with depth in a granular soil deposit. A concrete pile 9 m long (460 mm × 460 mm in cross section) is driven into the sand and fully embedded in the sand. Depth (m) Ngo 1.5 4 3.0 7 4.5 6.0 10 7.5 16 9.0 20 10.5 21 11.0 23 12.5 20 14.0 21 Estimate the allowable load-carrying capacity of the pile (Qal). Use FS = 4 and Meyerhof"s equations [Eqs. (9.37) and (9.45)].

Principles of Foundation Engineering (MindTap Course List)
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Chapter3: Natural Soil Deposits And Subsoil Exploration
Section: Chapter Questions
Problem 3.17P
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9.5 Following is the variation of Ngo with depth in a granular soil deposit. A concrete
pile 9 m long (460 mm × 460 mm in cross section) is driven into the sand and fully
embedded in the sand.
Depth (m)
Ngo
1.5
4
3.0
7
4.5
6.0
10
7.5
16
9.0
20
10.5
21
11.0
23
12.5
20
14.0
21
Estimate the allowable load-carrying capacity of the pile (Qal). Use FS = 4 and
Meyerhof's equations [Eqs. (9.37) and (9.45)].
Transcribed Image Text:9.5 Following is the variation of Ngo with depth in a granular soil deposit. A concrete pile 9 m long (460 mm × 460 mm in cross section) is driven into the sand and fully embedded in the sand. Depth (m) Ngo 1.5 4 3.0 7 4.5 6.0 10 7.5 16 9.0 20 10.5 21 11.0 23 12.5 20 14.0 21 Estimate the allowable load-carrying capacity of the pile (Qal). Use FS = 4 and Meyerhof's equations [Eqs. (9.37) and (9.45)].
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