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Cultivation matrix structure and construction method of roof rainwater garden

A technology of rain garden and cultivation substrate, which is applied in the direction of culture medium, roof decoration, planting substrate, etc. It can solve the unknowable problems, achieve the effects of reducing turbidity, increasing interception rate, and alleviating poor drainage capacity

Inactive Publication Date: 2018-04-03
NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this technical solution, the water filter layer is set above the drainage and storage layer, and it is not known how to realize the function of both drainage and water storage

Method used

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  • Cultivation matrix structure and construction method of roof rainwater garden
  • Cultivation matrix structure and construction method of roof rainwater garden
  • Cultivation matrix structure and construction method of roof rainwater garden

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Embodiment 1: a kind of cultivation matrix structure of roof rainwater garden, see figure 1 , including a waterproof layer 2, a root resistance layer 3, a drainage layer 4, a water filter cushion layer 5, a water storage layer 6 and a planting matrix layer 7 arranged in sequence from bottom to top, wherein the waterproof layer 2 is arranged above the structural layer of the roof , in the present embodiment, the structural layer of the roof is the concrete layer 1, and the water storage layer 6 includes a hollow or hole-shaped plastic part 61 and a water-absorbing material 62 arranged in the plastic part 61, and the plastic part 61 Both the upper surface and the lower surface are provided with a through hole 612 penetrating through the wall of the plastic part. In this embodiment, the plastic part 61 is a casing. A certain space is supported by the casing molding part 61, so that the water-absorbing material 62 has an expansion space to perform a water-absorbing function...

Embodiment 2

[0060] Embodiment 2: a kind of cultivation matrix structure of roof rainwater garden, see figure 2 , this embodiment is mostly the same as Embodiment 1, the difference is that in this embodiment, a cultivation matrix structure of a roof rain garden includes a waterproof layer 2, a root resistance layer 3, and a drainage layer arranged in sequence from bottom to top. 4. The aquifer 6 and the matrix layer 7 for planting, the plastic part 61 is a hard shell, the upper surface and the lower surface of the plastic part 6 are provided with through holes 612 that run through the wall of the plastic part, and the plastic part 61 is provided with There is a water-filtering cushion 5 and a water-absorbing material 62 arranged in the molding part 6 and above the water-filtering cushion.

Embodiment 3

[0061] Embodiment 3: a kind of cultivation matrix structure of roof rainwater garden, see image 3 , This embodiment is mostly the same as Embodiment 2, the difference is that in this embodiment, a layer of water-filtering cushion 5 and water-absorbing material 62 are set in the molding part 61 and above the water-absorbing material 62 .

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Abstract

The invention discloses a cultivation matrix structure of a roof rainwater garden. The cultivation matrix structure comprises a waterproof layer, a root barrier layer, a drainage layer, a water storage layer and a planting matrix layer arranged in order from bottom to top, wherein the waterproof layer is used for being installed above a structural layer of a roof, the water storage layer includesa hollow or porous shaping part and a water absorbing material disposed inside the shaping part, and a water filtration cushion layer is arranged between the water absorbing material and the drainagelayer. The cultivation matrix structure has the advantages of being capable of accumulating rainwater, increasing the interception rate of the rainwater on the roof, saving water, environmental protection and alleviating the problem of poor drainage capacity of a city. The invention also discloses a method for constructing a roof garden. The method includes sequentially laying the waterproof layer, the root barrier layer, the drainage layer, the water filtration cushion layer, the water storage layer and the planting matrix layer. The method has the advantages that the roof garden constructedand obtained by the method has an effect of intercepting rainwater and can effectively reduce the turbidity of roof runoff.

Description

technical field [0001] The invention relates to the technical field of building greening, in particular to a cultivation matrix structure of a roof rainwater garden and a construction method of a roof rainwater garden. Background technique [0002] With the development of my country's sponge city construction, more and more attention has been paid to building roof rainwater gardens, increasing the green coverage rate of the city, improving the utilization rate of urban rainwater resources, and improving the urban ecological environment. However, according to relevant literature, the current construction of roof rain gardens is basically based on experience, especially in the use of water resources, most of which mainly rely on tap water for irrigation. It is not uncommon for rainwater to be the main source of water for a garden. [0003] The Chinese patent document CN107035076A, whose publication date is August 11, 2017, discloses a greening construction method for house pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G9/033A01G24/46A01G24/12A01G24/10A01G24/15
CPCY02A30/254Y02B80/32
Inventor 周振民徐苏容王学超周科
Owner NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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