EXAMPLE 1: Determine the normal discharge for the channel shown in Fig 2.7a. The water surface in the left flood plain is 42m wide and that in the right flood plain is 26m. The manning roughness value for the flood plain is 0.10, while the Manning roughness value for the channel is 0.05 for the channel. The longitudinal slope of the channel is 0.0005. Solution:

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Chapter2: Loads On Structures
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EXAMPLE 1: Determine the normal discharge for the channel shown in Fig 2.7a. The water
surface in the left flood plain is 42m wide and that in the right flood plain is 26m. The manning
roughness value for the flood plain is 0.10, while the Manning roughness value for the channel
is 0.05 for the channel. The longitudinal slope of the channel is 0.0005.
Solution:
n=0.10
n=0.05
n3=0.10
2m
2m
5m
5m
12m
30m
15m
16m
10m
12m
12m
Fig 2.7 a
Transcribed Image Text:EXAMPLE 1: Determine the normal discharge for the channel shown in Fig 2.7a. The water surface in the left flood plain is 42m wide and that in the right flood plain is 26m. The manning roughness value for the flood plain is 0.10, while the Manning roughness value for the channel is 0.05 for the channel. The longitudinal slope of the channel is 0.0005. Solution: n=0.10 n=0.05 n3=0.10 2m 2m 5m 5m 12m 30m 15m 16m 10m 12m 12m Fig 2.7 a
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