Please find normal discharge for a 400mm diamter drainage pipe. manning's n = 0.013 the pipe is partially filled  angle = 120 degrees, if the slope drops 1m over 1000m    Pleasen show hand calculations and explain steps, thankyou!

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Please find normal discharge for a 400mm diamter drainage pipe.

manning's n = 0.013

the pipe is partially filled 

angle = 120 degrees, if the slope drops 1m over 1000m 

 

Pleasen show hand calculations and explain steps, thankyou!

 

D
-B
B
!
7 ////
m
Area, A
B.y
(b + my)y
my²
(0 - sin 0)D²/8
Wetted
Perimeter, P
B + 2y
b+2y√1+ m²
2y√1+ m²
0D/2
Hydraulic
Radius
R₁ = A/P
By
B+2y
(b+my)y
b+2y√1+m²
my
2√1+m²
Top Width
B
B
b+2my
2my
(8-sin) 2√y(D-y) or
D sin /
Transcribed Image Text:D -B B ! 7 //// m Area, A B.y (b + my)y my² (0 - sin 0)D²/8 Wetted Perimeter, P B + 2y b+2y√1+ m² 2y√1+ m² 0D/2 Hydraulic Radius R₁ = A/P By B+2y (b+my)y b+2y√1+m² my 2√1+m² Top Width B B b+2my 2my (8-sin) 2√y(D-y) or D sin /
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