Submerged dam siltation reduction design method for small and medium-sized urban drift river channel
The invention discloses a submerged dam siltation reduction design method for a small and medium-sized urban drift river channel; wherein submerged dams are arranged in a river channel on the upstream side of a barrage of the drift river channel according to a designed distance, and a certain distan...
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| creator | YIN FEIXIANG SU DAN SUO ERFENG LI XIAOMENG DAI XUE BAI YANG ZHAO DI WU YUEYONG HAO FENGNAN LUO TAO |
| description | The invention discloses a submerged dam siltation reduction design method for a small and medium-sized urban drift river channel; wherein submerged dams are arranged in a river channel on the upstream side of a barrage of the drift river channel according to a designed distance, and a certain distance is reserved between two ends of a dam body of each submerged dam and two banks of the river channel for river channel overflowing; through the local narrowing effect of the submerged dam on the upstream river channel of the barrage, the water flow velocity at the two ends of the submerged dam body is increased, and the sediment deposition distribution rule between the submerged dam and the barrage is changed, that is, the flow velocity at the barrage root where sediment is likely to be generated is increased so as to reduce or eliminate sediment deposition. The method has the advantages that the construction is simple, the application range is wide, good economic benefits are achieved, the method is particularly |
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| subjects | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS |
| title | Submerged dam siltation reduction design method for small and medium-sized urban drift river channel |
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