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Investigation of Urban Rain Drainage System Optimization and Initial Stormwater Pollution Control

Author: LiYanWei
Tutor: YouXueYi
School: Tianjin University
Course: Environmental Science
Keywords: SWMM model Initial Rainwater Non - point source pollution Pipe network optimization Regulating Pollution load
CLC: TU992
Type: Master's thesis
Year: 2010
Downloads: 311
Quote: 2
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Abstract


In this thesis, Tianjin Chilong River pumping station storm water pipe network and non- point source pollution load of objects to study the stormwater pipe network optimization transformation with initial stormwater pollution control measures . Through the study of non- point source pollution load model , combined with the characteristics of non-point source pollution in Tianjin Chilong River Pumping Station service area , in -depth analysis on the basis of various models of analog mechanism to select the SWMM (StormWaterManagementModel) model to study the the case regional stormwater pipe network optimization transformation with initial stormwater pollution control measures . The main contents are as follows : ( 1 ) collect stormwater pipe network information of the service area of the the Tianjin Chilong River pumping station , to take advantage of the ArcGIS (GeographicInformationSystem) GENERALIZABILITY the pipe network and divided catchment , stormwater drainage Chilong River Pumping Station service area system model . Tianjin 2009 rainfall runoff measured data , the rate of fixed the major pollutants washed parameters of non- point source pollution , combined with the experience of the research parameters Chilong River Pumping Station service area non- point source pollution model . ( 2 ) to simulate the the drainage status quo of the underground drainage network of the different rainfall intensity conditions change node elevation , increased diameter and change the surface characteristics of the three pipe network optimization measures . Measures to reduce the overflow pollution mitigation pipeline overload while also reducing the peak flow. Further simulate different pipe network optimization measures , stormwater pipe network operation , and provide technical support for the stormwater pipe network optimization . ( 3 ) Application Chilong River Pumping Station service area non- point source pollution model for non- point source pollution load simulation under various conditions . Three angle analysis of the different functional areas , different surface state conditions from different rainfall intensity conditions , rain water transport law , the process of producing pollution and rainfall runoff pollution . ( 4 ) based on non- point source pollution load quantitative analysis , early stormwater pollution control engineering measures : the end of the pipe network closure dispersed closure within the region intercepting three intercepting way . Try to set up the pipe network deployment, storage tank regulation and storage , lake and river regulation and storage , sewage treatment plant regulation and storage integrated operation management technology solutions proposed the central urban stormwater best management model provides a theoretical and technical control rainwater pollution supported.

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CLC: > Industrial Technology > Building Science > Municipal Engineering > Drainage works ( ditches works,sewer works)
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