12.23 ONLY 12.22. Water flows with a velocity of 3.0 m/s and a depth of3.0 m in a rectangular channel. (a) What is the changein water surface elevation produced by a gradualupward change in bed elevation (hump) of 30 cm?(b) What would be the change in the water surfaceelevation if there were a gradual drop of 30 cm? 12.23. Referring to Problem 12.22, what is the maximumheight of the step-up that would not affect theupstream flow condition? What is the minimumwidth that could exist with a 0.3-m step-up withoutchanging the upstream condition, knowing that theupstream width is 6.0 m?

Given:- steo up=0.3m upstrean width=6.0m To find:- minimum width

Answered: of the step-up that would not affect am…

of the step-up that would not affect am flow condition? What is the minim that could exist with a 0.3-m step-up with ing the upstream condition, knowing that am width is 6.0 m?

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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Question

12.23 ONLY

12.22. Water flows with a velocity of 3.0 m/s and a depth of
3.0 m in a rectangular channel. (a) What is the change
in water surface elevation produced by a gradual
upward change in bed elevation (hump) of 30 cm?
(b) What would be the change in the water surface
elevation if there were a gradual drop of 30 cm?

12.23. Referring to Problem 12.22, what is the maximum
height of the step-up that would not affect the
upstream flow condition? What is the minimum
width that could exist with a 0.3-m step-up without
changing the upstream condition, knowing that the
upstream width is 6.0 m?

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