Solid Waste Engineering: A Global Perspective, Si Edition
3rd Edition
ISBN: 9781305638600
Author: William A. Worrell, P. Aarne Vesilind, Christian Ludwig
Publisher: Cengage Learning
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Chapter 7, Problem 7.10P
Cellulose is to be burned in a waste-to- energy fadlity. The chemical equation for cellulose C6 H10O5is the atomic weights of C, H, and O are 12, 1, and 16. respectively.
a. Calculate the stoichiometric oxygen necessary for the combustion of cellulose.
b. Calculate stoichiometric air.
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For the gravity dam shown in the figure, The following data are available:
-Unit weight of concrete (Yconc) = 2.4 ton/m³
-Vertical upward earth quake factor (K,) = 0.1
-Neglect Wave pressure, silt pressure and ice force
μ=0.65
a-Find heel and toe stresses (Pmin & Pmax)
b-Is this structure safe against tension?
c-Find the factor of safety against sliding and overturning (F.S, & F.Sover)
165 m
160 m
t
10 m
T
I
4 m
50
100 m
For the gravity dam shown in the figure, The following
data are available:
-Unit weight of concrete (Yeone) 2.4 ton/m³
Vertical down ward earth quake factor (K,) = 0.1
Neglect Wave pressure, silt pressure and ice force
The wind velocity (V)-45 Km/hr
Straight length of water expanse (F) 75 Km
=0.7
14-70m
3h T
a- Find the factor of safety against sliding and overturning (F.Slid F.Sover)
b- Find the toe and heel stresses (hma, and hmin.)
c-Check tension.
8m
QUESTION 2-(40 Points)
In the case where other information is given in the figure, the wall is under the
effect of a uniform lateral wind load of 0.7 kN/m2. Since the foundation is sized
according to the safe bearing capacity of the soil and the safe bearing capacity
remains the same, find the width of this foundation asymmetrically (with
uniform base pressure). Draw the vertical section of the wall of the asymmetric
foundation and write its dimensions and values on it. Draw the T and M
diagrams along the width. The foundation thickness is the same in both cases.
q=0.7 kN/m2
5 m
R
Duvar
Nd=Wd
0.7 m
T
K
0
0.6
0.5
1.7 m
Yb-24 kN/m3
0.6 m
T
+
foundation
Chapter 7 Solutions
Solid Waste Engineering: A Global Perspective, Si Edition
Ch. 7 - Prob. 7.1PCh. 7 - The ideal equation for the combustion of cellulose...Ch. 7 - You serve as the president of XYZ corporation,...Ch. 7 - Prob. 7.4PCh. 7 - Prob. 7.5PCh. 7 - Prob. 7.6PCh. 7 - Prob. 7.7PCh. 7 - Prob. 7.8PCh. 7 - Prob. 7.9PCh. 7 - Cellulose is to be burned in a waste-to- energy...
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