EBK PRINCIPLES OF FOUNDATION ENGINEERIN
8th Edition
ISBN: 8220100547058
Author: Das
Publisher: CENGAGE L
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Chapter 3, Problem 3.3P
Refer to Figure P3.3. Use Eqs. (3.10) and (3.11) to determine the variation of OCR and preconsolidation pressure
FIGURE P3.3
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1. The following figure shows the stress-displacement results of four direct shear tests
under different vertical stresses.
70
60
o'v=10 psi
50
- o'v=20 psi
40
Δσ'ν-40 psi
o'v=80 psi
30
20
10
0.05
0.1
0.15
0.2
0.25
0.3
shear displ. [in]
Based on the results above, develop the Mohr-Coulomb failure envelope. Indicate the
cohesion (c') and calculate the drained friction angle (o').
shear stress [psi]
9.30 A laminar boundary layer velocity profile is approximated
by the two straight-line segments indicated in Fig. P9.30. Use the
momentum integral equation to determine the boundary layer
thickness, 88(x), and wall shear stress, 7, 7(x). Compare
these results with those in Table 9.2.
8/2
2U U
3
FIGURE P9.30
Chapter 3 Solutions
EBK PRINCIPLES OF FOUNDATION ENGINEERIN
Ch. 3 - Prob. 3.1PCh. 3 - Prob. 3.2PCh. 3 - Refer to Figure P3.3. Use Eqs. (3.10) and (3.11)...Ch. 3 - Prob. 3.4PCh. 3 - Prob. 3.5PCh. 3 - Prob. 3.6PCh. 3 - Prob. 3.7PCh. 3 - Prob. 3.8PCh. 3 - Prob. 3.9PCh. 3 - Prob. 3.10P
Ch. 3 - Prob. 3.11PCh. 3 - Following are the standard penetration numbers...Ch. 3 - Prob. 3.13PCh. 3 - Prob. 3.14PCh. 3 - Prob. 3.15PCh. 3 - Prob. 3.16PCh. 3 - Prob. 3.17PCh. 3 - Prob. 3.18PCh. 3 - Prob. 3.19PCh. 3 - Prob. 3.20PCh. 3 - Prob. 3.21PCh. 3 - Prob. 3.22PCh. 3 - Prob. 3.23PCh. 3 - Prob. 3.24PCh. 3 - Prob. 3.25PCh. 3 - Prob. 3.26PCh. 3 - Prob. 3.27P
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