Construction method of rainwater source regulation and storage system of sponge city

A technology of sponge city and construction method, which is applied in the field of construction of rainwater source regulation and storage system, can solve the problems of poor model applicability, achieve the effect of reducing impact, optimizing rainwater discharge process, and changing the surface fast drainage mode

Inactive Publication Date: 2020-06-12
无锡北大建筑工程有限公司
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  • Abstract
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Problems solved by technology

[0004] Due to the great differences in the environmental conditions in different regions, there will be great differences when corresponding to the parameters of the corresponding models, resulting in poor applicability of the corresponding models

Method used

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  • Construction method of rainwater source regulation and storage system of sponge city

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Embodiment

[0043] Example: refer to figure 1 , which is a method for constructing a rainwater source regulation and storage system for a sponge city disclosed by the present invention, the specific steps are as follows:

[0044] S1: Site confirmation.

[0045] S2: The structural composition and soil elements of the investigation site are used to estimate the runoff of the site.

[0046] Estimation of site runoff includes runoff coefficient and infiltration rate estimation, urban rainwater flow estimation includes rainfall estimation R 1 and evaporation estimate R 2 , Urban rainwater flow estimation R=(Rainfall estimation R 1 - Evaporation Estimation R 2 ).

[0047] S3: Establish a data model based on historical data, and estimate urban rainwater flow through the data model.

[0048] The specific steps of rainfall estimation are as follows:

[0049] S311: Obtain the precipitation in the same period of the year in this area;

[0050] S312: Arrange the precipitation in the same peri...

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Abstract

The invention discloses a construction method of a rainwater source regulation and storage system of a sponge city, belongs to the technical field of sea surface cities, and aims to provide the construction method of the rainwater source regulation and storage system of the sponge city with wide applicability. The method includes: S1, confirming a site; S2, estimating the runoff volume of the siteby surveying the structural composition and soil elements of the site; s3, establishing a data model according to the historical data, and estimating the urban rainwater flow through the data model;and S4, constructing a rainwater regulation and storage system according to estimation results of S2 and S3. Flow estimation and specific site application of urban rainwater are carried out; a corresponding rainwater regulation and storage system can be reasonably designed; a set of complete rainfall flood management and control system is constructed, the rainwater drainage process is optimized, the surface quick drainage mode of current runoff is changed, rainwater natural permeation, natural accumulation and natural purification are achieved within the runoff total quantity control index, the transformed greenbelt becomes an ecological sponge body, and the influence on the regional water environment is reduced.

Description

technical field [0001] The invention relates to the technical field of sea-surface cities, in particular to a method for constructing a rainwater source regulation and storage system for a sponge city. Background technique [0002] In recent decades, the concept of rainwater management has undergone significant changes, and its main content has gradually changed from the initial rapid drainage of rainwater to a series of rainwater regulation and storage methods such as rainwater storage and infiltration, slow discharge, and utilization. From the perspective of construction significance, rainwater regulation and storage refers to the use of economic policies, laws and regulations, and engineering technology to resolve the problem of rain and flood into a natural water cycle, so as to maintain ecological balance; Treatment and reuse means delaying the emergence of flood peaks through certain technical means, guiding runoff to infiltrate naturally, collecting part of rainwater ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20
Inventor 唐芳勇
Owner 无锡北大建筑工程有限公司
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