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In a river 45ft wide, having an average depth of 3.5ft and a mean velocity of 2 fps, a contracted rectangular weir 30ft long is to be constructed. Determine the head over the weir, assuming free fall. Q = 3. 33 L′H^3/2 (Francis Correction) L′= L − 0. 1NH N = no. of contraction

In a river 45ft wide, having an average depth of 3.5ft and a mean velocity of 2 fps, a contracted rectangular weir 30ft long is to be constructed. Determine the head over the weir, assuming free fall. Q = 3. 33 L′H^3/2 (Francis Correction) L′= L − 0. 1NH N = no. of contraction

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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In a river 45ft wide, having an average depth of 3.5ft and a mean velocity of 2 fps, a contracted rectangular weir 30ft long is to be constructed. Determine the head over the weir, assuming free fall.

Q = 3. 33 L′H^3/2
(Francis Correction) L′= L − 0. 1NH

N = no. of contractions

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