From: Rationality in pier geometry of Kintaikyo Bridge from viewpoint of river engineering
Hydraulic conditions | Prototype | Model |
---|---|---|
Water surface width (m) | 193.3/5 = 38.66 | 0.3 |
Geometric scale | 0.3/38.66 ≈ 1/129 | |
Peak discharge (m3/s) | 4000/5 = 800 | 4.24 × 10–3 |
Peak water depth (m) | 6 | 0.047 |
Peak mean flow velocity (m/s) | 3.445 | 0.304 |
Froude number | 0.45 | |
Manning’s roughness (s/m1/3) | 0.022 | 0.010 |
Bed slope | 1/500–1/600 | 1/525 |
Duration of flood peak (min) | 57 | 5 |