Figure 2. Watered surface and perimeter of the duct

From

Reduction in Water Erosion of Uncoated Roads in Lomé in Togo: Correlation Slope, Width and Water Sheet of Roads

AMEY Kossi Bollanigni

American Journal of Civil Engineering and Architecture. 2019, 7(1), 20-27 doi:10.12691/ajcea-7-1-3