3 ft Q? 6 ft
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Calculus tells us that the most efficient water depth for a
rectangular channel (such as Fig. ) is y/b = 1/2. It
yields the highest normal flow rate for a given area. But is
this a sharp or a flat maximum? For a flow area of 1 m2 and
a clay tile channel with a slope of 0.006, plot the normal
flow rate Q, in m3/s, versus y/b for the range 0.3 ≤
y/b ≤ 0.7 and comment.
Transcribed Image Text:3 ft
Q?
6 ft
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