In a circular channel 3.0 meters in diameter, flowing over half full, the water surface width is 1.268 meter in length. a. Compute the hydraulic radius. b. The channel is laid on a grade of 16.10 meters per mile; compute its discharge using Manning’s formula with n = 0.030. c. For flow as in (b), compute the C value in the Chezy formula.

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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In a circular channel 3.0 meters in diameter, flowing over half full, the water surface

width is 1.268 meter in length.

a. Compute the hydraulic radius.

b. The channel is laid on a grade of 16.10 meters per mile; compute its discharge

using Manning’s formula with n = 0.030.

c. For flow as in (b), compute the C value in the Chezy formula.

d. Using C in (c), and for flow as in (b), compute the value of Kutter’s n in the

Kutter’s C formula. Simplify your solution, no solution by calculator or shift

solve.

e. Compute the maximum velocity that may occur for the given circular channel

using n as in (d) and Manning’s formula

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