Criteria and calculation of current Calculation of the flow in an open table. Manning's formula is used to calculate water open trapezoid the same size with a Gutter at a preliminary design.
Calculation hydraulic The calculation of the flow in open gutters calculated using the formula of Manning trapezoidal open channels using the same size as the Gutter designed to basics.
The hydraulic calculation, the calculation of the flow in open channels, using a formula of calculating Manning rectangular shape trapezoidal open channel using the same size with. Gutter designed to introduction.