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Dual-substrate layer expansion type green roof structure

A roof structure and matrix layer technology, applied in roof decoration, planting matrix, roof drainage, etc., can solve the problem of neglecting water quality, and achieve the effect of enhancing thermal insulation effect, simple management, and improving performance

Inactive Publication Date: 2016-10-12
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The existing technology mainly focuses on the optimization of green roof structure, material and its ability to intercept rainwater, but often ignores the water quality of green roof runoff

Method used

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  • Dual-substrate layer expansion type green roof structure

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited to the following specific embodiments.

[0028] The specific embodiment of the present invention is located on the roof of a residential area in a certain city in the north, the roof is 6.5m away from the ground, and the roof slope is 2%.

[0029] see figure 1 The matrix layer of the double matrix layer expanded green roof is composed of an upper nutrient matrix layer 5 and a lower adsorption matrix layer 4. Plants 6 are planted on the nutrient matrix layer 5, and a filter layer 3 is arranged below the nutrient matrix layer 5. A storage and drainage layer 2 is provided under the layer 3, and a waterproof and root-resistance layer 1 is provided under the storage and drainage layer 2, and the waterproof and root-resistance layer 1 is attached to the exposed roof 7;

[0030] Nutrient ...

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Abstract

The invention discloses a dual-substrate layer expansion type green roof structure. The dual-substrate layer expansion type green roof structure comprises a substrate layer and plants, wherein the substrate layer is formed by an upper part and a lower part, the upper part of the substrate layer is a nutrition substrate layer, and the lower part of the substrate layer is an adsorption substrate layer; the plants are planted in the nutrition substrate layer; a filter layer is arranged under the adsorption substrate layer; a water accumulation and drainage layer is arranged under the filter layer; a waterproof root blocking layer is arranged under the water accumulation and drainage layer; the waterproof root blocking layer is fitted with a bared roof. The nutrition substrate layer is prepared from garden earth and slow-release fertilizer which are 1 to 1 in volume ratio, and the adsorption substrate layer is prepared from vermiculite, perlite and pumice or active carbon which are 1 to 1 to 2 in volume ratio. According to the dual-substrate layer expansion type green roof structure disclosed by the invention, not only can the roof be afforested and rainwater be intercepted, but also the water quality of the runoff can be effectively purified, and the management is simple.

Description

technical field [0001] The invention belongs to the technical field of building environment engineering, and in particular relates to a double matrix layer expanded green roof structure with the functions of greening the roof, intercepting rainwater and purifying runoff. Background technique [0002] The continuous acceleration of the urbanization process has led to a sharp increase in the urban impermeable area, while the green area has been continuously reduced. Non-point source pollution caused by surface rainfall runoff has become an important environmental problem faced by urban construction. Urban building roofs account for about 40%-50% of urban impervious areas, so controlling roof runoff is of great significance to urban stormwater management. Green roofs have the functions of intercepting rainwater, reducing urban heat island effect, retaining dust and reducing noise, purifying air, improving building energy efficiency, and providing habitats for animals and plant...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G31/00E04D13/00E04D13/04
CPCA01G20/20A01G24/00E04D13/00E04D13/04Y02B80/32Y02A30/254
Inventor 王晓欧赵新华田一梅
Owner TIANJIN UNIV
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