1. A section of a storm drain tunnelis as shown in the figure. During a heavy storm, the water surface is 2.5 m above the semi-circular section. If n=0.02 and the slope, s=0.0009, what is its discharge?

1. A section of a storm drain tunnelis as shown in the figure. During a heavy storm, the water surface is 2.5 m above the semi-circular section. If n=0.02 and the slope, s=0.0009, what is its discharge?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Storm Sewers and Detention

The storm drains system transports rainwater or stormwater and other runoff from roads, parking lots, and roof downpipes directly to nearby creeks, rivers, or the sea without any treatment.

Question

Find the discharge.

1. A section of a storm drain tunnelis as shown in the figure. During a heavy storm, the water
surface is 2.5 m above the semi-circular section. If n = 0.02 and the slope, s=0.0009, what is its
discharge?
The nearest answer is:
A. 24.52 cu.m/s
B. 24.65 cu.m/s
C. 24.42 cu.m/s
D. 24.62 cu.m/s
Water
Surface
+
R=1.0 m
1.5m
1.5m
2.0m

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