Principles of River Hydraulics by Aronne Armanini

Author:Aronne Armanini
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

5.5.1 Schoklitsch’s Formula

The formula proposed by Schoklitsch (1914) was based on measurements in gravel-bed streams. Also this formula is here rewritten in dimensionless form:

(5.66)

According to Takahashi (1987) this formula works if ; beyond this interval it underestimates the discharge.

5.6 Sediment Transport of Non-uniform Size Mixtures

From Meyer-Peter and Müller’s formula (Eq. 5.61):

derives the following expression for the solid discharge:

(5.67)

In high mobility conditions, i.e. when for , the second term in the parenthesis can be neglected compared to the first; thus we have:

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