Critical depth for rectangular channels A rectangular open channel has a bottom width of 6.0 m and a Manning’s n of 0.02. a. For y? =2.0 m and Q =11 m^3/s, find the normal slope. Is the slope steep, critical, or mild? b. For Q =11 m^3/s, find the slope at which critical depth occurs. c. For y? =2.0 m and y? =2.0 m, find the channel slope and corresponding discharge.
Critical depth for rectangular channels A rectangular open channel has a bottom width of 6.0 m and a Manning’s n of 0.02. a. For y? =2.0 m and Q =11 m^3/s, find the normal slope. Is the slope steep, critical, or mild? b. For Q =11 m^3/s, find the slope at which critical depth occurs. c. For y? =2.0 m and y? =2.0 m, find the channel slope and corresponding discharge.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Critical depth for rectangular channels
A rectangular open channel has a bottom width of 6.0 m and a Manning’s n of 0.02.
a. For y? =2.0 m and Q =11 m^3/s, find the normal slope. Is the slope steep, critical, or mild?
b. For Q =11 m^3/s, find the slope at which critical depth occurs.
c. For y? =2.0 m and y? =2.0 m, find the channel slope and corresponding discharge.
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