2. A 1.50 m diameter circular channel flowing at maximum velocity is to be replaced by a trapezoidal channel of the most efficient section with one side slope at 2V:3H and the other at 4V:3H. The two channels have the same longitudinal slopes of 0.010 and the same roughness coefficient, n = 0.030. Determine the dimensions of the trapezoidal channel using Manning's equation.

2. A 1.50 m diameter circular channel flowing at maximum velocity is to be replaced by a trapezoidal channel of the most efficient section with one side slope at 2V:3H and the other at 4V:3H. The two channels have the same longitudinal slopes of 0.010 and the same roughness coefficient, n = 0.030. Determine the dimensions of the trapezoidal channel using Manning's equation.

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter13: Slope Stability

Section: Chapter Questions

Problem 13.25P

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