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1. Write at least two sentences in your own words to explain the difference of using...

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Civil Engineering

1. Write at least two sentences in your ownwords to explain the difference of using flexible boundarychannel and the rigid boundary channel (based on the designconsiderations presented here).

2. Answer True or False and justify youranswer:

    a. The rigid boundary channel is recommendedfor channels with very high velocities because it can easily resistthe shear stress caused by the water flow.

    b. The trapezoidal cross section (with avalue of m = 4 or more) is always more appropriate to be usedinstead of the rectangular channel in areas in which theneighboring land use restricts the channel topwidth.   

Answer & Explanation Solved by verified expert
4.0 Ratings (407 Votes)
Q1 the difference between the flexible boundary channel and the rigid boundary channel i Rigid channels are those in which the boundary is not deformable The shape and roughness magnitudes are not functions of flow parameters For example lined canals and nonerodible unlined canals the wherein flexible    See Answer
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