Table 9.10 Variation of a (Interpolated Values Based on Terzaghi, Peck and Mesri, 1996) Cu Pa < 0.1 1.00 0.2 0.92 0.3 0.82 0.4 0.74 0.6 0.62 0.8 0.54 1.0 0.48 1.2 0.42 1.4 0.40 1.6 0.38 1.8 0.36 2.0 0.35 2.4 0.34 2.8 0.34 Note: Pa = atmospheric pressure = 100 kN/m? or 2000 lb/ft? Clay 5 m Cu = 25 kN/m? Clay C„ = 45 kN/m² 6 m 6 m Clay c„ = 60 kN/m² 1 m Figure P9.29

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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The section of a 4 x 4 group pile in a layered saturated clay is shown in Figure P 9.29. The piles are square in cross section (356 mm x 356 mm). The center-to-center spacing (d) of the piles is 1 m. Determine the allowable load bearing capacity of the pile group. Use FS = 3 and Table 9.10.

Table 9.10 Variation of a
(Interpolated Values Based on
Terzaghi, Peck and Mesri, 1996)
Cu
Pa
< 0.1
1.00
0.2
0.92
0.3
0.82
0.4
0.74
0.6
0.62
0.8
0.54
1.0
0.48
1.2
0.42
1.4
0.40
1.6
0.38
1.8
0.36
2.0
0.35
2.4
0.34
2.8
0.34
Note: Pa = atmospheric pressure
= 100 kN/m? or 2000 lb/ft?
Transcribed Image Text:Table 9.10 Variation of a (Interpolated Values Based on Terzaghi, Peck and Mesri, 1996) Cu Pa < 0.1 1.00 0.2 0.92 0.3 0.82 0.4 0.74 0.6 0.62 0.8 0.54 1.0 0.48 1.2 0.42 1.4 0.40 1.6 0.38 1.8 0.36 2.0 0.35 2.4 0.34 2.8 0.34 Note: Pa = atmospheric pressure = 100 kN/m? or 2000 lb/ft?
Clay
5 m
Cu = 25 kN/m?
Clay
C„ = 45 kN/m²
6 m
6 m
Clay
c„ = 60 kN/m²
1 m
Figure P9.29
Transcribed Image Text:Clay 5 m Cu = 25 kN/m? Clay C„ = 45 kN/m² 6 m 6 m Clay c„ = 60 kN/m² 1 m Figure P9.29
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