Determine the discharges in channels having the following sections for y = 6 ft, n = 0.015, and S = 0.0020. a) Rectangular section, 20 ft wide. b) Triangular section with a bottom angle equal to 60o c) Trapezoidal section with a bottom width of 20 ft and side slopes of 2:1. d) Parabolic section having a width of 16 ft at the depth of 4 ft.
Determine the discharges in channels having the following sections for y = 6 ft, n = 0.015, and S = 0.0020. a) Rectangular section, 20 ft wide. b) Triangular section with a bottom angle equal to 60o c) Trapezoidal section with a bottom width of 20 ft and side slopes of 2:1. d) Parabolic section having a width of 16 ft at the depth of 4 ft.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Determine the discharges in channels having the following sections for y = 6 ft, n = 0.015, and S = 0.0020. a) Rectangular section, 20 ft wide. b) Triangular section with a bottom angle equal to 60o c) Trapezoidal section with a bottom width of 20 ft and side slopes of 2:1. d) Parabolic section having a width of 16 ft at the depth of 4 ft.
![rectangular
trapezoidal
triangular
circular
parabolic
В
B
B
В
b
flow area
(b + mh )h
(0 – sin 0)D²
bh
Bh
A
8 h
B+=-
3 В
wetted perimeter
b+2h 1+m²
2hV1+m²
b+2h
P
hydraulic radius
R,
(b + mh )h
b+2h 1+m²
bh
mh
sin e
2B'h
b+ 2h
2/1+m?
3B +8h
(sin 0/2)D
top width
b+2mh
2mh
or
Ah
2JH(D-h)
B
hydraulic depth
D,
(b+ mh)h
9-sin e]D
sin 0/2]8
b+ 2mh](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F39ce2937-c92d-49c5-b225-d1e6a06234ec%2Ff7b269cd-3e8b-4697-9fa1-c83eb78c4251%2F6cp1sfd_processed.png&w=3840&q=75)
Transcribed Image Text:rectangular
trapezoidal
triangular
circular
parabolic
В
B
B
В
b
flow area
(b + mh )h
(0 – sin 0)D²
bh
Bh
A
8 h
B+=-
3 В
wetted perimeter
b+2h 1+m²
2hV1+m²
b+2h
P
hydraulic radius
R,
(b + mh )h
b+2h 1+m²
bh
mh
sin e
2B'h
b+ 2h
2/1+m?
3B +8h
(sin 0/2)D
top width
b+2mh
2mh
or
Ah
2JH(D-h)
B
hydraulic depth
D,
(b+ mh)h
9-sin e]D
sin 0/2]8
b+ 2mh
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