Solid Waste Engineering
3rd Edition
ISBN: 9781305888357
Author: Worrell
Publisher: Cengage
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Concept explainers
Question
Chapter 6, Problem 6.1P
To determine
The sludge and refuse needed to meet the required
Expert Solution & Answer
Answer to Problem 6.1P
The sludge requirement is
The refuse requirement is
Explanation of Solution
Given:
Required
Calculation:
Assume the refuse fraction be
Write the equation to calculate the sludge fraction.
Here, the sludge fraction is
Write the equation to complete the mass balance on carbon.
Calculate the value of
Calculate the sludge fraction.
Substitute
Conclusion:
Thus, the mass balance on carbon is calculated first to find out the answer.
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Students have asked these similar questions
Problem 1:
Given: In a given floor system, a 5-in concrete slab supported by T-beams of 24-ft spans, supporting 354 psf
live load. The T-beams are spaced 2x4 ft on center, and bw (width of the beam web) = 15 inches. Total T-beam
height is 25 inches. f'c = 4,000psi, fy = 60,000psi.
Design the T-beam. Show all steps. Sketch your Design.
Problem 2:
Given: A 25"x25" column is subject to a
factored axial load of Pu=1,200 kips, and
factored design moment of Mu-354 kips-ft.
f'c 4,000psi, fy = 60,000psi.
Determine the required steel ratio (p) and
ties. Sketch the design.
2.0
0.08
INTERACTION DIAGRAM R4-60.9
fc-4 ksi
1.8
1,- 60 ksi
0.07
Y=0.9
16
1.6
0.06
Kmax
0.05
1.4
f/f, = 0
0.04
00
K₁ = P₁/f'c Ag
1.2
12
0.03
0.25
1.0
10
0.02
0.01
0.8
0.6
0.4
€,= 0.0035
0.2
€,= 0.0050
0.0
h
yh
0.50
0.75
1.0.
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50
R₁ = P₁e/f'Agh
Given: In a given floor system, a 5-in concrete slab supported by T-beams of 24-ft spans, supporting 354 psf
live load. The T-beams are spaced 2x4 ft on center, and bw (width of the beam web) = 15 inches. Total T-beam
height is 25 inches. f'c = 4,000psi, fy = 60,000psi.
Design the T-beam. Show all steps. Sketch your Design.
Problem 2:
Given: A 25"x25" column is subject to a
factored axial load of Pu=1,200 kips, and
factored design moment of Mu-354 kips-ft.
f'c 4,000psi, fy = 60,000psi.
Determine the required steel ratio (p) and
ties. Sketch the design.
2.0
P=0.08
INTERACTION DIAGRAM R4-60.9
fc-4 ksi
1.8
1,- 60 ksi
0.07
7=0.9
1.6
16
0.06
Kmax
0.05
1.4
f/f, = 0
0.04
90
K₁ = P₁/f'Ag
1.2
0.03
0.25
0.02
1.0
0.01
0.8
0.6
0.4
€= 0.0035
0.2
€,= 0.0050
0.0
h
yh
0.50
0.75
1.0.
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50
R₁ = P₁e/f'Ah
Chapter 6 Solutions
Solid Waste Engineering
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