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Research about Planning the Rain Drainage System of Guangzhou Based on the Rainwater Storage

Author: LiZhiPeng
Tutor: MeiSheng
School: Guangdong University of Technology
Course: Municipal Engineering
Keywords: rain storage hydraulic model Guangzhou
CLC: TU992
Type: Master's thesis
Year: 2011
Downloads: 210
Quote: 1
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Abstract


Water is indispensable for human survival and development of resources.Water is an important material basis for social, economic sustainable development. In addition, Water is also Controlling elements of the ecological environment.However, With rapid urbanization and industrialization development, concentration of population and economic activities, the landscape conditions and performance of drainage basin is changed. The characteristics of the runoff is also changed.The impervious area of the city is increased, such as roofs, streets, parking lots, so that a considerable part of the watershed is covered by impervious surface. Resulting in the rain (snow) not directly into the ground water, A significant reduction in depression storage, Urban storm runoff floods can not be ignored. The land use of the changing situation in the rain to make the flow of time is considerably reduced, the speed and runoff have increased considerably. the city of the existing capacities of a pipeline, the frequency of flooding and waterlogging have also increased considerably.In the utilization of the rainwater storage in the city, the specific circumstances of different cities in different countries varies greatly,so the calculation of water storage tanks, the design method and the set location are not same. on the basis of the development of rainwater storage about the domestic and international cities and examples, the article analyzes the rain problem on the process of urbanization in Guangzhou and the necessity and feasibility of the rainwater storage in urban stormwater. In addition,the article discusses the design and calculation of rainwater storage and scale optimization.At the same time, such as the storm water pipe network, Joining the storage tank and additional storage tanks are not measured and model study. The article introduces the rainwater storage used in the rain project in Guangzhou.And the article proposes problems and developing strategies of the rainwater storage in Guangzhou.The following conclusions are drawn from this research:1. Through the simulation of the rainwater storage in Hund District, the article obtained that the different setting mode and the set location of the storage tank had great impact on the system. 2. Through the simulation of the rainwater storage in Hund District, the article obtained that setting mode and storage capacity of the storage tank had a relationship with the characteristics of the drainage system and the function of storage tanks.3. By talking about the design of rainwater storage tanks in the different cities of different countries, the article gave a conclusion on the rainwater storage tank for the best way to the design and the type in Guangzhou. In addition, design parameters of the storage tank have been further improved.4. This article made a detailed system of data collection and sorting about the rain in Guangzhou,and introduced reasons of Guangzhou flood completely.Finally, the article made recommendations and the development of countermeasures about the rainwater storage in Guangzhou.

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