Q, = Efp AL =Eac„p AL (9.59) 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?
Q, = Efp AL =Eac„p AL (9.59) 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?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
A concrete pile 50 ft long having a cross section of 15 in. x 15 in. is fully embedded in a saturated clay layer for which γsat = 121 lb/ft3, Φ = 0, and cu = 1600 lb/ft2. Determine the allowable load that the pile can carry. (Let FS = 3.) Use the a method Eq. (9.59) and Table 9.10 to estimate the skin friction and Vesic’s method for point load estimation.

Transcribed Image Text:Q, = Efp AL =Eac„p AL
(9.59)

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?
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