From: The impact of blockage on the performance of canal coverage structures
Shape of canal coverage structure | Height (m) | Width (m) |
---|---|---|
Pipe | 1.40 | 1.40 |
Square box | 1.24 | 1.24 |
Pipe arch | 1.10 | 1.80 |
Ellipse | 1.15 | 1.70 |
Arch | 1.31 | 1.50 |
Conspan arch | 1.10 | 1.50 |
Rectangular box | 1.03 | 1.50 |