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Bioretention facility for sponge urban road

A technology of bioretention and sponge city, which is applied in the field of complex bioretention facilities to achieve the effects of improving growth vitality, improving landscape effects, and strengthening prevention

Active Publication Date: 2021-12-21
CHINA FIRST METALLURGICAL GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the object of the present invention is to provide a bioretention facility for sponge city roads, to solve or overcome at least one technical problem existing in the prior art

Method used

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  • Bioretention facility for sponge urban road
  • Bioretention facility for sponge urban road
  • Bioretention facility for sponge urban road

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Embodiment Construction

[0040] Various embodiments of the invention will be described in more detail below with reference to the accompanying drawings. In the various drawings, the same elements are denoted by the same or similar reference numerals. For the sake of clarity, various parts in the drawings have not been drawn to scale.

[0041] refer to Figure 1 to Figure 2 , the application provides a bioretention facility for sponge city roads, including: a sunken green belt, which is set between the motorway 23 and the auxiliary road 9, and the sunken greenery elevation is lower than the motorway The elevation of the lane 23 and the auxiliary road 9, the sunken green belt is the undisturbed soil layer 7, the first gravel layer 5, the permeable geotextile 4, the quartz sand aquifer 3, and the planting soil layer 2 from bottom to top. And bark covering layer 1; Underground rainwater pipeline, buried under the sunken green belt, auxiliary road 9 and sidewalk 25, the underground rainwater pipeline und...

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Abstract

The invention provides a bioretention facility for a sponge urban road. The bioretention facility comprises a sunken green belt, an underground rainwater pipeline and a plurality of rainwater wells, the sunken green belt is arranged between a motor vehicle lane and an auxiliary road, the elevation of the sunken green belt is lower than the elevation of the motor vehicle lane and the auxiliary road, and the sunken green belt comprises an undisturbed soil layer, a first gravel layer, a permeable geotextile, a quartz sand water storage layer, a planting soil layer and a bark covering layer in sequence from bottom to top; the underground rainwater pipeline is buried under the sunken green belt, the auxiliary road and the sidewalk, and the underground rainwater pipeline under the sunken green belt is located in the first gravel layer; and the multiple rainwater wells are arranged in the sunken green belt, and all the rainwater wells communicate with the underground rainwater pipeline. The rainwater wells and the underground rainwater pipeline form a vertically-communicating rainwater channel facilitating rainwater circulation. The sunken green belt is arranged in a layered mode, and the problems of rain wash, sinking and the like can be solved. The urban road is subjected to sunken greening transformation, so that stagnant flow, permeation, purification and storage of rainwater are realized, and particularly, the prevention of flood disasters in rare heavy rainfall weather is enhanced.

Description

technical field [0001] The invention belongs to the field of urban roads, and in particular relates to a complex biological retention facility suitable for sponge city roads. Background technique [0002] Sponge city refers to the city's good "elasticity" in terms of adapting to environmental changes and dealing with natural disasters caused by rain. With the concept of source control of storage, diversion, infiltration, and purification, the problems caused by traditional rainwater management technology are solved, the negative impact of urbanization on the water cycle process is effectively reduced, and a comfortable and pleasant water landscape city is created. Among them, bioretention facilities are one of the most widely used facilities for sponge city construction, and can be divided into simple and complex types. The complex bioretention facility structure can prevent the intrusion of the surrounding original soil. When it is applied on the road, it can protect the s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E03F1/00E03F3/02E03F3/04E03F5/04E03F5/14E01C11/22E03F5/02A01G9/02
CPCE03F1/00E03F3/02E03F3/04E03F5/0401E03F5/14E01C11/221E03F5/02A01G9/02E03F1/002E03F5/0404E01C11/227E03F5/041Y02A10/30
Inventor 张驰孔晓龙王宇罗太平刘志
Owner CHINA FIRST METALLURGICAL GROUP
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