Bundle: Principles Of Foundation Engineering, 9th + Mindtap Engineering, 1 Term (6 Months) Printed Access Card
9th Edition
ISBN: 9781337947060
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Textbook Question
Chapter 3, Problem 3.4P
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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Students have asked these similar questions
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]
Question: A Blasius Exact Solution
Equation For A Laminar Flat-Plate
Boundary Layer Problem Which...
A Blasius exact solution equation for a laminar flat-plate boundary layer problem
which derived from Navier-Stoke equations, could be written as,
ff"-2f"'=0
where f = f(n), =d'fm),
dn?
d'f(n).
df (N) =-
,and f'=-
dn'
dn
U is mainstream fluid velocity and u is fluid velocity in boundary layer.
With suitable boundary conditions, the above equation had been solved by 4th-order
Runge-Kutta numerical integration and the result is tabulated in Table Qla.
TABLE Qla
f'=w/U
f"
7 = y,
VX
0.000
0.000
0.332
0.323
0.267
1
0.166
0.330
0.630
0.846
0.956
0.992
0.998
0.650
1.397
2.310
3.283
0.161
0.064
3
4
0.016
0.002
6
7
4.280
0.001
5.279
6.280
0.999
1.000
0.000
Show that :
CoRe , = 1.27
%3D
A line load of q=60kn/m with alpha =300 is placed on a ground surface as shown in figure p4.1.Calculate the increase of pore water pressure at M immediately after application of the load for the cases given below.
(a) z=10m ,X=0m ,v=0.5 ,A=0.45
(b) z=10m, X=2m,v=0.45, A=0.6
Chapter 3 Solutions
Bundle: Principles Of Foundation Engineering, 9th + Mindtap Engineering, 1 Term (6 Months) Printed Access Card
Ch. 3 - Prob. 3.1PCh. 3 - Prob. 3.2PCh. 3 - Prob. 3.3PCh. 3 - Refer to Figure P3.3. Use Eqs. (3.10) and (3.11)...Ch. 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 - Prob. 3.12PCh. 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. 3.27PCh. 3 - Prob. 3.28PCh. 3 - Prob. 3.29PCh. 3 - Prob. 3.30PCh. 3 - Prob. 3.31P
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- 3. The upward flow of water through a layer of sand in the tank shown in figure has the following properties: e =0.50, G-2.67. Determine the following: a) Effective stress at point A b) Effective stress at point B c) Upward seepage force per unit volume of soil 0.8m 3.5m Supply of Water 0.5m A B 1.9marrow_forwardThe soil profile shown consists of dry sand (4-m thick) which overlies a layer of clay (3-m thick). Ground water table is located at the interface of the sand and clay. a. If the water table rises to the top of the ground surface, what is the change in the effective stress (in kPa) at the bottom of the clay layer? Round off to two decimal places. (ANSWER: 26.336) b. Compute the effective stress at the bottom of the clay layer in kPa. Round off to three decimal places (ANSWER: 97.686) c. How many meters must the ground water table rise to decrease the effective stress by 14 kPa, at the bottom of the clay layer? Round off to two decimal places (ANSWER: 2.13)arrow_forwardProblem 3. The strain rosette shown has angles 0, = 0° (aligned with the x-axis), 0, = 60°, and 0, = 120°, We attach it to a body and then load the body. The strain m m rosette reports the following values: E = 500µ, E, =1200µ, and ɛ. 100µ- m Recall for a delta rosette: Ex = Ea %3D 1 Ey 3 =(26, +26, - 8.) %3D 2 Yy = J a Sketch Mohr's Circle for Strain. Indicate the following Y Max 20,, &,, E2, and- InPlane on your sketch the followinge 2 Determine the following: E2. Op. YMax InPlanearrow_forward
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