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Generalized Critical Slope for Trapezoidal Channels
The critical slope relations for a general trapezoidal channel have been examined in detail on the basis of Manning's equation and are presented in simple graphical form on dimensionless coordinates. For a given roughness coefficient, a triangular channel always has one depth only corresponding to each value of critical slope. For a trapezoidal channel (with given roughness coefficient and given bed width), however, there may be no, one, two, or three depth(s) corresponding to a given critical slope, depending on the inclination of the sides of the channel. Specifying these side slopes by a ratio of 1 vertical to z horizontal, there is a region of special interest in the range of z between 0 and 0.366350.
Generalized Critical Slope for Trapezoidal Channels
The critical slope relations for a general trapezoidal channel have been examined in detail on the basis of Manning's equation and are presented in simple graphical form on dimensionless coordinates. For a given roughness coefficient, a triangular channel always has one depth only corresponding to each value of critical slope. For a trapezoidal channel (with given roughness coefficient and given bed width), however, there may be no, one, two, or three depth(s) corresponding to a given critical slope, depending on the inclination of the sides of the channel. Specifying these side slopes by a ratio of 1 vertical to z horizontal, there is a region of special interest in the range of z between 0 and 0.366350.
Generalized Critical Slope for Trapezoidal Channels
Jones, Llewellyn E. (author) / Tripathy, Bijoy N. (author)
Journal of the Hydraulics Division ; 91 ; 85-91
2021-01-01
71965-01-01 pages
Article (Journal)
Electronic Resource
Unknown
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