Q4) For the pile-soil system shown in Fig. (4), estimate the required pile length to carry an ultimate vertical load of 2400 kN. Use Berezantsev's method in computing the end bearing resistance. P= 2400 kN Ans.: L = 7.72 m G.L. Sand Y = 18.1 kN/m $ = 30° k, = 1.0 5 m W.T. Soft Clay Ysat = 20.6 kN/m c = 20 kN/m2 8 m Dense Sand Ysat = 21 kN/m $ = 40° k, = 1.5

Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
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Chapter12: Pile Foundations
Section: Chapter Questions
Problem 12.2P: A 20 m long concrete pile is shown in Figure P12.2. Estimate the ultimate point load Qp by a....
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Q4) For the pile-soil system shown in Fig. (4), estimate the required pile length to carry an
ultimate vertical load of 2400 kN. Use Berezantsev's method in computing the end
bearing resistance.
Ans.: L = 7.72 m
P = 2400 kN
G.L.
Sand
y = 18.1 kN/m³
$ = 30°
ks = 1.0
5 m
W.T.
Soft Clay
Ysat = 20.6 kN/m
c = 20 kN/m2
8 m
Dense Sand
Ysat = 21 kN/m3
$ = 40°
ks = 1.5
%3D
Round concrete pile (d = 0.3 m)
Fig. (4)
Transcribed Image Text:Q4) For the pile-soil system shown in Fig. (4), estimate the required pile length to carry an ultimate vertical load of 2400 kN. Use Berezantsev's method in computing the end bearing resistance. Ans.: L = 7.72 m P = 2400 kN G.L. Sand y = 18.1 kN/m³ $ = 30° ks = 1.0 5 m W.T. Soft Clay Ysat = 20.6 kN/m c = 20 kN/m2 8 m Dense Sand Ysat = 21 kN/m3 $ = 40° ks = 1.5 %3D Round concrete pile (d = 0.3 m) Fig. (4)
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