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Sudden Pollution Accident Simulation of the Middle Route of the South to North Water Transfer Project

Author(s): Caihong Tang; Yujun Yi; Jie Sun

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Keywords: Water pollution; MIKE11; The South to North Water Transfer Project; Hydraulic structures

Abstract: The middle route of the South to North Water Transfer Project mainly provides drinking water for Hebei province, Beijing, Tianjin and other cities in north of China, which leads to high requirement of the water quality. This project has a characteristic of long water conveyance canals. A variety of complicated hydraulic structures are included in this channel, such as inverted siphon, check gate, tunnel, culvert, aqueduct structure. Additionally, open channel is the main transfer way to divert water. The water in open channel is completely exposed in the air, which results to higher risk for water of being polluted by the outside world. Therefore, the pollution accident simulation is very important for the security of water quality. In this paper, highway bridges are considered as the main pollution sources through field investigation, data collection and analysis. Dianbei highway bridge is represented as the pollution accident site. A one-dimensional hydraulic model and water quality model are established for the study canal. The influence of pollutants for water quality is analyzed based on the established water quality model, and measures are put forward according to pollution.


Year: 2015

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