Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN: 9781337705028
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Chapter 12, Problem 12.11P
To determine
Find the maximum allowable load.
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The difference in water surface levels in two tanks, which are connected by three pipes in series
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considering the minor losses and neglecting minor losses.
Determine the heel and toe stresses and the factor of safeties for sliding and
overturning for the gravity dam section shown in the figure below for the following
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- Horizontal earthquake (Kh) = 0.1
- Normal uplift pressure with gallery drain working
- Silt deposit up to 30 m height
- No wave pressure and no ice pressure
-Unit weight of concrete = 2.4 Ton/m³ and unit weight of silty water = 1.4 Ton/m³
- Submerged weight of silt = 0.9 Ton/m³
- Coefficient of friction = 0.65 and angle of repose = 25°
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4m
8m
6m 8m
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A
25
Forestland-orchards
B
30
B
45
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C
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A
80
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A
120
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B
155
Storm Hyetograph
Time Rainfall
Interval Intensity
(hours) (in/hr)
0-1
1.2
1-2
1.3
2-3
1.9
3-4
1.5
4-5
1.3
5-6
1
6-7
0.8
1 Hour-Unit
Hydrograph
Time
UH
[hr]
[cfs/in]
0
0
1
60
2
120
3
140
4
80
5
40
6
10
7
0
Chapter 12 Solutions
Principles of Foundation Engineering (MindTap Course List)
Ch. 12 - Prob. 12.1PCh. 12 - A 20 m long concrete pile is shown in Figure...Ch. 12 - A 500 mm diameter are 20 m long concrete pile is...Ch. 12 - Redo Problem 12.3 using Coyle and Castellos...Ch. 12 - A 400 mm 400 mm square precast concrete pile of...Ch. 12 - Determine the maximum load that can be allowed on...Ch. 12 - A driven closed-ended pile, circular in cross...Ch. 12 - Consider a 500 mm diameter pile having a length of...Ch. 12 - Determine the maximum load that can be allowed on...Ch. 12 - Prob. 12.10P
Ch. 12 - Prob. 12.11PCh. 12 - Prob. 12.12PCh. 12 - A concrete pile 16 in. 16 in. in cross section is...Ch. 12 - Prob. 12.14PCh. 12 - Solve Problem 12.13 using Eqs. (12.59) and...Ch. 12 - Prob. 12.16PCh. 12 - Prob. 12.17PCh. 12 - A steel pile (H-section; HP 310 125; see Table...Ch. 12 - Prob. 12.19PCh. 12 - A 600 mm diameter and 25 m long driven concrete...Ch. 12 - Redo Problem 12.20 using Vesics method, assuming...Ch. 12 - Prob. 12.22PCh. 12 - Prob. 12.23PCh. 12 - Solve Problem 12.23 using the method of Broms....Ch. 12 - Prob. 12.25PCh. 12 - Solve Problem 12.25 using the modified EN formula....Ch. 12 - Solve Problem 12.25 using the modified Danish...Ch. 12 - Prob. 12.28PCh. 12 - Prob. 12.29PCh. 12 - Figure 12.49a shows a pile. Let L = 15 m, D (pile...Ch. 12 - Redo Problem 12.30 assuming that the water table...Ch. 12 - Refer to Figure 12.49b. Let L = 18 m, fill = 17...Ch. 12 - Estimate the group efficiency of a 4 6 pile...Ch. 12 - The plan of a group pile is shown in Figure...Ch. 12 - Prob. 12.35PCh. 12 - Figure P12.36 shows a 3 5 pile group consisting...Ch. 12 - Prob. 12.37P
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