est cross section if the shape of the channel is (a) circular of diameter
est cross section if the shape of the channel is (a) circular of diameter
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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
Transcribed Image Text:In Windsor area of New South Wales, flood flow needs to be drained from a small locality at a rate of 120 m³/s in uniform flow using an open channel (n=0.018).
Given the bottom slope as 0.0013 calculate the dimensions of the best cross section if the shape of the channel is (a) circular of diameter D and (b) trapezoidal of
bottom width b.
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Follow-up Question
how was depth gotten? and what is 2theta equal to

Transcribed Image Text:Most economical circular channel :
Depth=0.938D
20=302°22'
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