Rainwater 排水 与 roof gutter 选型

Overview

Engineering reference data for Rainwater Drainage and Roof Gutter Sizing in sanitary drainage.

Key Formulas

Manning's Equation

$Q = \frac{1}{n} A R_h^{2/3} S^{1/2}$

Open channel flow.

Slope

$S = \frac{\Delta h}{L}$

Hydraulic gradient.

Variables

References

• Original Source