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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2010, Vol. 11 Issue (5): 335-341    DOI: 10.1631/jzus.A0900082
Mechanics and Civil Engineering     
Optimized operation plan for sewer sediment control
Yong-chao Zhou, Tian Li
Institute of Municipal Engineering, Zhejiang University, Hangzhou 310058, China, College of Environmental Science and Engineering, Tongji University, Shanghai 200096, China
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Abstract  Severe operational problems of sediment deposition have frequently occurred in stormwater sewer systems in Shanghai city due to the flat topography of the area and serious illicit connections. To control sewer sediment and its subsequential problems, optimized operation plans were proposed and an innovative performance assessment method was developed. Simulation results demonstrated that, through changing the way of pump operation and installing necessary actuators in the system, the optimized operations, especially batch intermittent intercept plan, effectively improved the flow velocity in the entire system in dry-weather condition. In conclusion, the optimized operation is an innovative idea for improving the performance and solving the problem of sediment deposition in the sewer system in Shanghai, China.

Key words： Sewer system      Sediment control      Performance assessment      Simulation     
Received: 06 April 2009      Published: 27 April 2010
CLC:  TU992.4  
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Yong-chao Zhou, Tian Li. Optimized operation plan for sewer sediment control. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2010, 11(5): 335-341.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A0900082     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2010/V11/I5/335

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