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Construction waste conversion matrix for sedum lineare roof greening and application thereof

A construction waste and roof greening technology, which is applied in the field of construction waste conversion matrix, can solve the problems of poor ventilation and storage capacity, unstable structure, complicated preparation process, etc., and achieve reduced roof load, strong air permeability, and plant growth promotion Effect

Pending Publication Date: 2022-05-27
SHANGHAI INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a construction waste conversion substrate for greening S. japonica roof and its application, to overcome the complex preparation process, unstable structure, and low ventilation and storage capacity of the waste conversion substrate in the prior art. Inferior defect

Method used

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  • Construction waste conversion matrix for sedum lineare roof greening and application thereof
  • Construction waste conversion matrix for sedum lineare roof greening and application thereof
  • Construction waste conversion matrix for sedum lineare roof greening and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] In this example, the proposed planting 50m 2For the roof of sedum plants, after completing the construction of roof waterproofing and root layer, and before preparing the substrate layer for construction, transport the materials to the roof greening site. The preparation of a roof greening construction waste conversion matrix includes materials: fine peat soil, two kinds of red brick particles with different particle size ranges, concrete particles, and environment-friendly pumice particles. The preparation method of the substrate is as follows: according to the plant species, the particle size of the peat soil is selected. The test plant is Sedum sedum. Due to the extrusion and compaction of the peat soil during transportation, the fine peat soil is passed through a 10mm mesh screen, and the The fine peat soil that passes through the sieve is not used, and passes through the 10mm sieve for use; the recycled construction waste red bricks are mechanically pulverized, pas...

Embodiment 2

[0037] Experiment on the effect of cultivation on the substrate of foetida

[0038] 1.1 Materials to be tested

[0039] The test plant is Sedum sedum, which has growth characteristics such as drought tolerance and nutrient-poor resistance, and is a good light roof greening plant.

[0040] 1.2 Test treatment

[0041] In this study, 5 matrix treatments were set up according to different matrix components and different preparation methods (as shown in Table 1). The tested plants were all used in lightweight boxes, the practical length of the lightweight box was 38cm, the width was 29cm, and the height was 13cm, and were planted by cuttings. Before planting, the substrates with different treatments were placed in pots according to Table 1, and then the prepared sedum plants were evenly inserted into the pots. The cultivation density is 6 plants / pot. The thickness of the planting layer was 10 cm, and each treatment was repeated 3 times. The cultivation and growth period was ni...

Embodiment 3

[0059] Compared with Example 1, most of them are the same, except in this example, the volume fractions of peat soil, red brick particles, concrete particles and environmental pumice particles are adjusted to 15 parts, 10 parts, 3 parts, 3 copies.

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Abstract

The invention relates to a construction waste conversion matrix for sedum lineare roof greening and application thereof. The matrix comprises the following components in parts by volume: 15-20 parts of peat soil, 10-15 parts of red brick particles, 3-5 parts of concrete particles and 3-5 parts of environment-friendly pumice particles. The matrix is mainly prepared from red brick particles with different particle sizes from building waste red bricks, peat soil, concrete particles from building waste concrete blocks and environment-friendly pumice particles, and the matrix is prepared by recycling building waste, so that the treatment cost of the building waste and the risk of environmental pollution are reduced; according to the invention, consumption of traditional natural base materials is effectively replaced, the use amount of non-renewable peat soil resources is reduced, meanwhile, plant growth is promoted, and the ecological concept of sustainable development is met. Compared with the prior art, the substrate is stable in structure and good in ventilation, drainage and storage capacity, the cultivation effect basically the same as or even better than that of a traditional substrate can be achieved, and the preparation method is simple.

Description

technical field [0001] The invention belongs to the technical field of plant growth substrates, and relates to a construction waste conversion substrate used for greening of sedative grass roofs and its application. Background technique [0002] With the continuous advancement of my country's construction industry and urban construction process, the output of construction waste continues to increase. The use of construction waste conversion matrix for roof greening is not only an economical and environmentally friendly resource treatment method, but also can provide a suitable growth environment and good support for the growth of plants. In recent years, the conversion of construction waste has been widely used in various countries, especially in developed countries such as the United States, Canada, Japan, the United Kingdom, Germany and other developed countries. The use of construction waste as a green substrate has been unanimously recognized by the government and citize...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G24/00A01G24/28A01G24/10A01G31/00
CPCA01G24/00A01G24/28A01G24/10A01G31/00Y02B80/32
Inventor 田艺文邹维娜秦秉铎江南潘虓宸卢意唐惠玲
Owner SHANGHAI INST OF TECH
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