CN106717985A - A kind of mima type microrelief shaping methodses for roof greening - Google Patents

Abstract

The invention discloses a "micro-topography" shaping method for roof greening, which includes the steps of pre-treatment of the roof, placement of plants, initial creation of the terrain, shading net solidification, and terrain reconstruction. The upper surface of the plant soil ball is the high point, and the position where the ground cover plants are to be planted is the low point. The cultivation substrate is used to shape the natural streamlined topography to complete the initial construction of the topography, and then the black shading net solid topography is laid, and the subsequent completion Terrain reconstruction. The invention shapes undulating topography similar to the natural environment, which not only ensures the cultivation soil for larger plants, but also realizes the planting of ground cover plants, thereby building a more abundant roof garden landscape; It avoids substrate displacement, and the plants are well formed. It has the advantages of simple production, convenient construction, long-term micro-topography, resistance to heavy rain erosion, and obvious roof greening landscape effect.

Description

A Micro Terrain Modeling Method for Roof Greening

technical field

The invention belongs to the technical field of landscaping, and in particular relates to a "micro-topography" shaping method for roof greening.

Background technique

Urban greening plays an irreplaceable role in improving the ecological quality of urban environment. However, due to the continuous expansion of urban construction scale, less and less land can be used for urban greening, resulting in the limitation of further expansion of greening area. Green exploration. Roof greening is an important form of three-dimensional greening. The application of this technology can greatly reduce the land for greening and increase the amount of green in the city. It is being rapidly promoted in my country. However, due to the limitation of the roof structure, in order to reduce the amount of cultivation substrate, the traditional roof greening forms mostly adopt the form of horizontal ground, which can only plant some small garden plants, or use containers to cultivate some large plants. , so that the landscape effect of roof greening is greatly reduced.

Contents of the invention

In order to solve the above-mentioned problems of the prior art, the present invention provides a "micro-topography" shaping method for roof greening, by taking the upper surface of the large-scale plant soil ball as the high point, and taking the position of the ground cover plant to be planted As the low point, use the cultivation substrate to shape the natural streamline terrain to complete the initial formation of the terrain, and then lay the black shade net solid terrain to achieve micro-processing of the roof greening terrain, so that it forms an undulating terrain similar to the natural environment. It not only guarantees the requirements of different plants on the thickness of the soil layer, but also ensures that the micro-topography will not be deformed by the erosion of rainwater, so as to build a richer roof garden landscape.

Technical scheme of the present invention is as follows:

A "micro-topography" shaping method for roof greening, comprising the following steps:

(1) Pre-treatment of the roof

Carry out waterproof and drainage treatment on the roof to be greened, and lay non-woven fabric on the drainage layer as a filter layer;

(2) Arrangement of plants

When purchasing large plants, the diameter of the plant's soil ball is 7-10 times that of its root diameter; then wrap the plant soil ball with a black shade net for 1-3 layers, and tie it tightly to avoid loose balls; then place For the plant, fill the gaps between the soil balls with a substrate after being straightened, and press it with wooden stakes for 3-5 times to prevent the plant from lodging;

(3) Initial creation of terrain

Take the upper surface of the large plant soil ball as the high point, and take the position where the ground cover plants are to be planted as the low point, use the cultivation substrate to shape the natural streamline terrain, and the thickness of the covering soil is 5-50cm;

(4) laying shade net

Use a shading net with a shading rate of 5-90% to completely cover and fix the shaped terrain to form a fixed shape of the designed terrain;

(5) Terrain reconstruction

Cover the laid shading net with the cultivation medium, and the thickness of the covering soil is 5-20cm; then plant the ground cover plants and arrange them well.

Preferably, the substrate used in step (2) is vermiculite and peat in a volume ratio of 3-5:1.

Preferably, the cultivation substrate used in steps (3) and (5) is peat, vermiculite and garden soil with a volume ratio of 1:0.5-1.5:1-3.

Preferably, laying garden roads and adding garden elements are also included.

Compared with the prior art, the beneficial effects of the present invention are as follows:

One, a kind of " micro terrain " shaping method that is used for roof greening of the present invention, by taking the upper surface position of large-scale plant soil ball as high point, and with the position of planting ground cover plant as low point, shape with cultivation substrate The natural streamlined terrain completes the initial construction of the terrain, and then lays the black shade net solid terrain to achieve micro-processing of the topography of the roof greening, so that it forms an undulating terrain similar to the natural environment, which not only ensures the cultivation of larger plants The soil is used to realize the planting of ground cover plants, so as to build a more abundant roof garden landscape, which has the advantages of simple production, convenient construction, and obvious effect of roof greening landscape;

2. A "micro-topography" shaping method for roof greening of the present invention considers that the terrain set up is a natural streamline terrain, and the terrain has high and low zones on the vertical plane, which is easy to cause when it is washed by rainwater. Therefore, after the initial construction of the terrain, black shading nets are laid to fix the soil matrix and maintain the topography; in addition, the laid black shading nets also serve as a foundation for the growth of ground cover plant roots. Attachments, fix the roots of plants, and have the function of water retention and moisturizing.

Of course, implementing any method of the present invention does not necessarily need to achieve all the above-mentioned advantages at the same time.

detailed description

Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention, not to limit the protection scope of the present invention. Improvements and adjustments made by those skilled in the art according to the present invention in practical applications still belong to the protection scope of the present invention.

Example 1

A kind of " micro terrain " shaping method that is used for roof greening of present embodiment 1 comprises the following steps:

(1) Pre-treatment of the roof

Carry out waterproof and drainage treatment on the roof to be greened according to the conventional method, and lay non-woven fabric on the drainage layer as a filter layer;

(2) Arrangement of plants

Choose the target large plant according to the design, and the plant has a soil ball, and the diameter of the soil ball is 7 times its root diameter; then use a black shade net to wrap the plant soil balls in 1 layer, and tie them tightly to avoid loose balls Put this plant again, after straightening, fill the space between the soil balls with the substrate of vermiculite: peat=3:1 (volume ratio), and tamp and press 3 times with stakes to prevent the plants from falling down;

(3) Initial creation of terrain

Take the position of the upper surface of the large plant soil ball as the high point, and the position where the ground cover plant is to be planted as the low point, and use the cultivation substrate of peat: vermiculite: garden soil = 1:0.5:1 (volume ratio) to shape the natural streamline Terrain, covering soil thickness 10cm;

(4) laying shade net

Use a black shading net with a shading rate of 5% to completely cover and fix the shaped terrain to form a fixed shape of the designed terrain;

(5) Terrain reconstruction

Use peat: vermiculite: garden soil = 1:0.5:1 (volume ratio) of the cultivation substrate to cover the paved shade net, the thickness of the covering soil is 5cm; then plant ground cover plants, arrange them well, and lay garden roads and add other garden elements.

The roof greening "micro-topography" landscape prepared in Example 1, after a long period of rainwater washing, maintains a good terrain, and the plants grow well, which is not much different from that grown in the natural environment on the ground.

Example 2

A kind of " micro terrain " shaping method that is used for roof greening of present embodiment 2 comprises the following steps:

(1) Pre-treatment of the roof

Carry out waterproof and drainage treatment on the roof to be greened according to the conventional method, and lay non-woven fabric on the drainage layer as a filter layer;

(2) Arrangement of plants

Choose the target large plant according to the design, and the plant has a soil ball, and the diameter of the soil ball is 8 times its root diameter; then wrap the plant soil ball with two layers of black shade nets, and tie them tightly to avoid loose balls Put this plant again, after straightening, fill the space between the soil balls with the substrate of vermiculite: peat=4:1 (volume ratio), and tamp and press 4 times with wooden stakes, prevent the plant from lodging;

(3) Initial creation of terrain

Take the position of the upper surface of the large plant soil ball as the high point, and the position where the ground cover plant is to be planted as the low point, and use the cultivation substrate of peat: vermiculite: garden soil = 1:1:2 (volume ratio) to shape the natural streamline Terrain, covering soil thickness 20cm;

(4) laying shade net

Use a black shading net with a shading rate of 50% to completely cover and fix the shaped terrain to form a fixed shape of the designed terrain;

(5) Terrain reconstruction

Use peat: vermiculite: garden soil = 1:1:2 (volume ratio) to cover the paved shading net with a soil thickness of 10cm; other garden elements.

The roof greening "micro-topography" landscape obtained in Example 2 has been washed by rain for a long time, and the topography is maintained well, and the plants grow well, which is not much different from that grown in the natural environment on the ground.

Example 3

A kind of " micro terrain " shaping method that is used for roof greening of present embodiment 3 comprises the following steps:

(1) Pre-treatment of the roof

Carry out waterproof and drainage treatment on the roof to be greened according to the conventional method, and lay non-woven fabric on the drainage layer as a filter layer;

(2) Arrangement of plants

Choose the target large plant according to the design, and the plant has a soil ball, and the diameter of the soil ball is 10 times that of the root diameter; then wrap the plant soil ball in 3 layers with a black shade net, and tie them tightly to avoid loose balls Put this plant again, after straightening, fill the space between the soil balls with the substrate of vermiculite: peat=5:1 (volume ratio), and tamp and press 5 times with stakes to prevent the plants from lodging;

(3) Initial creation of terrain

Take the position of the upper surface of the large plant soil ball as the high point, and the position where the ground cover plants are to be planted as the low point, and use the cultivation substrate of peat: vermiculite: garden soil = 1:1.5:3 (volume ratio) to shape the natural streamline Terrain, covering soil thickness 10cm;

(4) laying shade net

Use a black shading net with a shading rate of 90% to completely cover and fix the shaped terrain to form a fixed shape of the designed terrain;

(5) Terrain reconstruction

Use peat: vermiculite: garden soil = 1:1.5:3 (volume ratio) to cover the paved shade net with a soil thickness of 20cm; then plant ground cover plants, arrange them well, and lay garden paths and add other garden elements.

The roof greening "micro-topography" landscape obtained in Example 3 has been washed by rain for a long time, and the topography is maintained well, and the plants grow well, which is not much different from that grown in the natural environment on the ground.

The preferred embodiments of the invention disclosed above are only to help illustrate the invention. The preferred embodiments are not exhaustive in all detail, nor are the inventions limited to specific embodiments described. Obviously, many modifications and variations can be made based on the contents of this specification. This description selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The invention is to be limited only by the claims, along with their full scope and equivalents.

Claims (4)

1. A "micro-topography" shaping method for roof greening, is characterized in that, comprises the following steps: (1) Pre-treatment of the roof Carry out waterproof and drainage treatment on the roof to be greened, and lay non-woven fabric on the drainage layer as a filter layer; (2) Arrangement of plants When purchasing large plants, the diameter of the plant's soil ball is 7-10 times that of its root diameter; then wrap the plant soil ball with a black shade net for 1-3 layers, and tie it tightly to avoid loose balls; then place For the plant, fill the gaps between the soil balls with a substrate after being straightened, and press it with wooden stakes for 3-5 times to prevent the plant from lodging; (3) Initial creation of terrain Take the upper surface of the large plant soil ball as the high point, and take the position where the ground cover plants are to be planted as the low point, use the cultivation substrate to shape the natural streamline terrain, and the thickness of the covering soil is 5-50cm; (4) laying shade net Use a shading net with a shading rate of 5-90% to completely cover and fix the shaped terrain to form a fixed shape of the designed terrain; (5) Terrain reconstruction Cover the laid shading net with the cultivation medium, and the thickness of the covering soil is 5-20cm; then plant the ground cover plants and arrange them well. 2. A kind of " micro terrain " shaping method for roof greening according to claim 1 is characterized in that, the substrate used in step (2) is vermiculite and peat with a volume ratio of 3-5:1. 3. A kind of " micro terrain " shaping method that is used for roof greening according to claim 1 is characterized in that, the cultivation substrate used in steps (3) and (5) is volume ratio 1: 05-1.5: 1- 3 peat, vermiculite and garden soil. 4. A "micro-topography" shaping method for roof greening according to claim 1, further comprising laying garden roads and adding garden elements.