Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN: 9781337705028
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Question
Chapter 18, Problem 18.10P
a.
To determine
Estimate the required depth of sheet pile
b.
To determine
Estimate the force on the tie rods
c.
To determine
Estimate the maximum bending moment in the sheet pile
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Find the internal torques for segments AB, BC, and CD (in N-m) by drawing the internal torque diagram, the maximum torsional shear on the shaft in MPa, and the relative rotation of section A with respect to section D in degrees.
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
loading conditions:
- 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°
Solve this question with the presence of gallery and without gallery., discuss
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Solve in table
144 m
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The efficiency for a steel specimen immersed in a phosphating tank is the weight of the phosphate coating divided by the metal loss (both in mg/ft²). An article gave the accompanying data on tank temperature (x) and efficiency ratio (y).
Temp.
171
173
174
175
175
176
177
178
Ratio
0.82
1.39
1.48
0.95
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Temp.
181
181
181
181
181
182
182
183
Ratio
1.35 1.52
1.55
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2.17
0.92
1.45
0.82
Temp.
183
183
183
185
185
186
187
189
Ratio
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2.04
2.70
1.59
2.54 3.04 1.89
3.12
(a) Determine the equation of the estimated regression line. (Round all numerical values to four decimal places.)
y =
(b) Calculate a point estimate for true average efficiency ratio when tank temperature is 183. (Round your answer to four decimal places.)
(c) Calculate the values of the residuals from the least squares line for the four observations for which temperature is 183. (Round your answers to two decimal places.)
(183, 0.82)
(183, 1.85)
(183, 2.04)
(183, 2.70)
Why do they not all have the same…
Chapter 18 Solutions
Principles of Foundation Engineering (MindTap Course List)
Ch. 18 - Refer to Figure 18.9. A cantilever sheet pile is...Ch. 18 - Prob. 18.2PCh. 18 - Prob. 18.3PCh. 18 - Refer to Figure 18.13. Given L1 = 1.5 m, L2 = 3 m;...Ch. 18 - In Problem 18.4, find the maximum bending moment...Ch. 18 - Prob. 18.6PCh. 18 - Prob. 18.7PCh. 18 - Prob. 18.8PCh. 18 - Refer to Figure 18.23. Given L1=3m, L2=6m,...Ch. 18 - Prob. 18.10P
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