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A layered composite sinking green space based on artificial composite soil and its application

A kind of artificial composite and composite technology, applied in the direction of sewage discharge, waterway system, building, etc., can solve the problems of uneven time distribution of rainwater resources, slow release of water, etc., to improve the utilization rate of water resources, large water retention, reduce durability The effect of submerged demands

Active Publication Date: 2019-03-29
HOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The technical problem to be solved: In order to overcome the defects in the existing technology, obtain a method that can effectively absorb precipitation, reduce surface runoff, delay the peak time, increase soil water infiltration and water storage, and improve water resource utilization. High water-absorbent resin quickly absorbs a large amount of rainwater and slowly releases water, and the time distribution of rainwater resources is unevenly distributed, so as to alleviate the water demand of plants during water shortage periods. This invention fully explores the advantages of sunken green spaces on the basis of traditional sunken green spaces. In the vertical space, superabsorbent resin is applied, and a composite vertical layered structure is set up to provide a layered composite sunken green space based on artificial composite soil and its application

Method used

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  • A layered composite sinking green space based on artificial composite soil and its application
  • A layered composite sinking green space based on artificial composite soil and its application

Examples

Experimental program
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Effect test

Embodiment 1

[0021] Such as figure 2 As shown, a layered composite sinking green space based on artificial composite soil includes: water catchment module Ⅰ, overflow module Ⅱ, water retention module Ⅲ, transition module Ⅳ and water storage module Ⅴ arranged vertically. The catchment module I is the catchment area, which is the catchment area actually corresponding to the sunken green land; the medium of the overflow module II is natural soil, the depth is 10cm, and the overflow port 1 is provided on the surface. The overflow port 1 is 6cm higher than the surface of the green space, and lower than the catchment surface around the sunken green space.

[0022] The mouth of the overflow pipe is located in the middle of the overflow module II, which is higher than the surface of the sunken green space and lower than the catchment surface around the sunken green space; the overflow pipe 9 is a PVC pipe with a diameter of 100mm.

[0023] The lower surface of the large-size crushed stone layer ...

Embodiment 2

[0028] The sunken green space obtained in the construction of Example 1 is used for rainwater and flood control.

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Abstract

The invention discloses a layered composite subsidence green space based on artificial composite soil and its application, comprising a water catchment module, an overflow module, a water retention module, a transition module and a water storage module arranged vertically. Compared with the prior art, the present invention has the following advantages: (1) The layered composite sunken green space of the present invention effectively absorbs precipitation by setting a composite vertical layered structure, reduces surface runoff, delays peak time, increases Soil water infiltration and water storage capacity, improve the utilization rate of water resources; (2) the present invention uses composite soil with high water absorption performance, achieves fast water absorption speed, large water retention capacity, reduces waterlogging accumulation on road surface, and enhances urban hydrological cycle; (3) The layered paving materials adopted in the present invention have wide sources, are widely used, and the construction technology is simple and easy to popularize; (4) The layered composite sinking green space of the present invention changes the traditional raised green belt, and the landscape design Combined with water storage and flood prevention, it can reduce the water used for municipal greening.

Description

technical field [0001] The invention belongs to the fields of urban waterlogging prevention and rainwater control and utilization, and relates to a sunken green space, in particular to a layered composite sunken green space based on artificial composite soil and its application. Background technique [0002] At present, the green belts beside the urban roads are convex green spaces, which is not conducive to rainwater collection and utilization and flood control. In addition, the arid and semi-arid modules in the north are often flooded in the rainy season and short of water in the dry season. The traditional sunken green space cannot provide the water needed for plant growth for a long time in the dry season. [0003] Sunken Greenbelt can be divided into narrow sense and broad sense. Sunken greenbelt in the narrow sense is also called low-level greenbelt and sunken greenbelt. Its typical structure is that the elevation of the greenbelt is about 5-25cm lower than that of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E03F1/00
CPCE03F1/00E03F1/002
Inventor 杨涛王倩李晓丽师鹏飞王晓燕周旭东李振亚徐韬
Owner HOHAI UNIV
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