Influence of the Bridge on the Flood Controlling in the River

Xin Zhou Zhang; Xi Ping Dou; Zeng Xiang Jiao; Yin Yan Song

doi:10.4028/www.scientific.net/AMM.580-583.2015

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Influence of the Bridge on the Flood Controlling in the River

Abstract:

It was convenient to go through the river after the building of bridge, but the flow water around the bridge can be influenced seriously. The level of water will become high and the velocity will reduce because of the influencing of resistance water by the bridge pier, and the level and the velocity of downstream water decreased. Between the bridge piers the velocity will increase where the water was extruded. All of these will have an effect to the safety of bridge and river flood controlling. In this paper, a 2D numerical model is established to simulate the variation of the level and velocity after the bridge was built, and to learn the effecting of the bridge on the flood controlling.