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Low influence developing facility combination and layout determination method of sponge city

A low-impact development and determination method technology, applied in the field of determining the combination and layout of sponge city low-impact development facilities, can solve the problems of not considering the cost, the cost performance of the scheme is not necessarily high, and increase the human subjectivity of the scheme, so as to achieve the feasibility of implementation big effect

Inactive Publication Date: 2017-11-07
ANHUI UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

However, there are some deficiencies in this application, such as using the weight setting module, which increases the human subjectivity of the scheme, and does not consider the cost, so that the obtained scheme is not necessarily cost-effective, and may not be the optimal scheme

Method used

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  • Low influence developing facility combination and layout determination method of sponge city
  • Low influence developing facility combination and layout determination method of sponge city
  • Low influence developing facility combination and layout determination method of sponge city

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Embodiment 1

[0062] This embodiment takes Chizhou City, Anhui Province as the background, combining figure 1 , using the method of the present invention to determine the combination and layout of low-impact development facilities for a catchment area A to be developed with low impact.

[0063] Step 1. Build a 0-1 planning model

[0064] In this embodiment, catchment area A has a total catchment area of ​​30.56ha, and is divided into seven sub-catchment areas (S01-S07).

[0065] According to the guidelines and the zoning map of the total annual runoff control rate, it is determined that the total annual runoff control rate in Chizhou is 80%. According to the characteristics of Chizhou City and the catchment area, three types of low-impact development facilities are selected: biological retention facilities, permeable pavement, green roof.

[0066] Decompose the total annual runoff control rate of 80% into 7 sub-catchment areas, and consider arranging these three low-impact development fac...

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Abstract

The invention discloses a low influence developing facility combination and layout determination method of a sponge city, and belongs to the technical field of urban draining. The method is based on 0-1 planning model and scheme acquisition and cost-effectiveness analysis, and integrates annual flow amount control rate assessment and cost effect assessment. The method includes the steps of 1) 0-1 planning model, 2) generating a combination and layout schemes, 3) collecting schemes, 4)simulating the schemes and calculating indexes, 5) sorting the schemes, 6) analyzing cost effectiveness, and 7) determining a scheme, in which the schemes are ranked from highest to the lowest based on effect-to-cost ratio according to cost-effectiveness analysis, and a recommended low influence developing facility combination and layout scheme is determined according to the ranking result. The annual flow amount control rate and cost of low influence development scheme can be evaluated, and a low influence developing facility combination and layout can be determined. The method is used to assist planning and designing a low influence developing rainwater system of a sponge city.

Description

technical field [0001] The invention belongs to the technical field of urban drainage, and more specifically relates to a method for determining the combination and layout of low-impact development facilities in a sponge city. Background technique [0002] Under the background of global climate change and urbanization, urban waterlogging occurs frequently. One of the important components of the urban waterlogging prevention system is the low impact development (LID) stormwater system. The combination and layout of low-impact development facilities in the stormwater system of sponge city low-impact development are crucial to the performance of the entire system. Due to the wide variety of low-impact development facilities, their combination and layout is a difficult problem and a challenge. Therefore, optimization methods for the layout of low-impact development facilities have become a research hotspot for many researchers. [0003] For example, Xiao-Yue Zhen et al. used ...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/26
CPCG06Q10/06315G06Q10/0637G06Q50/26
Inventor 汪明明孙远祥高雪蕊
Owner ANHUI UNIVERSITY OF TECHNOLOGY
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