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Evaluation method for regulation and storage capacity of sponge city

An evaluation method and technology of sponge city, applied in the field of low-impact development evaluation of sponge city, can solve the problems of inability to obtain the layout of rainwater facilities in sponge city, large planning area, and inconvenience to obtain storage volume data of sponge city, etc., to achieve high-quality planning District rainwater facilities layout plan, improve fault tolerance, speed up the effect of layout

Active Publication Date: 2018-09-07
苏州规划设计研究院股份有限公司
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Problems solved by technology

[0004] However, the above-mentioned planning method for low-impact development of rainwater involves a large planning area, and it is not convenient to obtain the required regulation and storage volume data of the sponge city, so that it is impossible to obtain a comprehensive and high-quality layout of stormwater facilities for the sponge city. This problem needs to be solved

Method used

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  • Evaluation method for regulation and storage capacity of sponge city
  • Evaluation method for regulation and storage capacity of sponge city
  • Evaluation method for regulation and storage capacity of sponge city

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Embodiment

[0058] A method for evaluating the regulation and storage capacity of a sponge city, which includes a planning area, comprising the following steps:

[0059] Step 1. First-level decomposition: Decompose the planning area into several first-level divisions. In this embodiment, the planning area is divided into two first-level divisions, namely the main urban area and the port area. After being divided into two first-level divisions, determine the total annual runoff control rate of the two first-level divisions and the total annual runoff control rate of the planning area, including:

[0060] (1) Determine the different types of land use in the first-level division. The types of land use include newly-built green land, rebuilt green land, newly built roads, rebuilt roads, newly built residences, rebuilt residences, newly built public buildings, and rebuilt public buildings. The total annual runoff control rate of various types of land in the first-level division is shown in Tab...

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Abstract

The invention discloses an evaluation method for the regulation and storage capacity of a sponge city, and relates to a low-influence development evaluation method for the sponge city. The method aimsto solve the problem that an existing rain low-influence development planning method can not conveniently obtain a comprehensive high-quality sponge city rain facility distribution scheme. The technical scheme of the method has the key point that the annual runoff total quantity control rate of a planning area is decomposed to each land parcel through first-level decomposition, second-level decomposition, third-level decomposition and fourth-level decomposition; after a design rainfall and comprehensive rainfall runoff coefficient corresponding to each land parcel is determined, total regulation and storage capacity required by the land parcel can be calculated; and according to the total regulation and storage capacity required by the land parcel, the rain facility distribution of the sponge city can be conveniently planned. The evaluation method has the advantage of being convenient in obtaining the comprehensive high-quality sponge city rain facility distribution scheme.

Description

technical field [0001] The invention relates to a method for evaluating the low-impact development of a sponge city, more specifically, it relates to a method for evaluating the storage volume of a sponge city. Background technique [0002] The construction of sponge cities should follow the principles of ecological priority, combine natural channels with the construction of artificial rainwater facilities, and ensure the safety of urban drainage and waterlogging, maximize the accumulation, infiltration and purification of rainwater in urban areas, and promote the improvement of rainwater resources. utilization and ecological environment protection. During the construction of the sponge city, it is necessary to plan the layout of the artificial rainwater facilities according to the required adjustment and storage volume of the sponge city. [0003] The Chinese patent with the existing publication number CN105184484A discloses a planning method and device for low-impact rain...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/26
CPCG06Q10/0639G06Q50/26
Inventor 苏晗许洁莉周烨浦磊范博闻
Owner 苏州规划设计研究院股份有限公司
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