CN209824725U - Roof greening grass planting system adopting building waste - Google Patents
Roof greening grass planting system adopting building waste Download PDFInfo
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- CN209824725U CN209824725U CN201821873839.6U CN201821873839U CN209824725U CN 209824725 U CN209824725 U CN 209824725U CN 201821873839 U CN201821873839 U CN 201821873839U CN 209824725 U CN209824725 U CN 209824725U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model discloses an adopt building rubbish's roof greening grass planting system, include from up setting gradually down: the root separating layer, the granular layer, the root protecting layer, the planting base material layer I and the vegetation layer; wherein separate root layer, grained layer, root guard layer and form air reflux system and water conservancy diversion layer to build the second and prick a root space, utilize building rubbish preparation granule and plant the base material simultaneously, entire system drainage is unobstructed, ventilative, moisturize, does not rely on any conventional organic planting matrix, and the roof is planted to whole utilization building rubbish, has solved simultaneously rainy season overgrown long, delicate, mildew, lodging, drainage smoothly, moisturize the effect poor, technical problem such as root system development is obstructed. The system is suitable for mixed planting of various greening grass, can realize different greening landscapes, is beneficial to forming a roof vegetation ecosystem, and really realizes zero management and long-term sustainable growth of roof greening vegetation. And the construction is simple and easy, with low costs, environmental protection, load is light, the structure is stable.
Description
Technical Field
The utility model belongs to the technical field of planting technique. And more particularly, to a roof greening grass planting system using construction waste.
Background
The roof occupies a large space in a city, and with the continuous expansion of the space, the urban heat island effect is increasingly enhanced; the roof is exposed in the atmosphere all the year round, and the heat insulation board is gradually damaged over the long term to form a sanitary dead angle; the temperature difference change of the roof is large, the expansion with heat and the contraction with cold are obvious, and the waterproof layer is easy to age and denature to cause the leakage of the roof. Thus, roof greening has a number of benefits: 1. the urban greening coverage is improved, and the air landscape is created; 2. dust is adsorbed, noise is reduced, and environmental quality is improved; 3. the urban heat island effect is reduced, and the ecological effect is exerted; 4. relieving urban flood and reducing drainage pressure; 5. the roof structure is effectively protected, and the waterproof life is prolonged; 6. the building is kept warm in winter and cool in summer, and the energy consumption is saved. The roof environment is severe, the greening difficulty is high, the greening rate of the roof in China is less than one percent, and the main reason is that the planting technology is not broken through. The invention fundamentally solves the technical problem of roof planting and is expected to make new contribution to roof greening.
The inventor of Hu Li Ming dedicated to the research of roof greening technology for decades, and filed applications from 1998 for 98112641.3 cultivation methods of Sedum lineare for roof greening, 99124618.7 a plant growth nutrition base material and a method for cultivating Sedum lineare on roof, 99322045.2 a nutrition growth bed for cultivating Sedum lineare on roof, 201210048366.7 a greening method for planting Sedum lineare on roof, 201720925170X an isolator for planting Sedum lineare on roof, 201710623907.7 a method for planting Sedum lineare on roof by isolator, and the like, and most of the patents are granted, aiming at achieving the purposes of heat insulation, protection of roof and roof structure through greening. Mr. Hu Li Ming is the earliest to study the sedum lineare roof greening technology and obtain certain effect in China, and most of the current companies which do sedum lineare roof greening in China are the technology of Mr. Hu Li Ming. However, the long-term practice of Huiming has found that the effect of the original scheme is not ideal, problems of clustered sedum lineare, overgrowth of grass seedlings, tenderness and drought resistance can occur, phenomena of withering and poor growth can occur after a period of planting, measures such as reseeding and management are needed, and the sustainability is not strong. The isolation ball planting method solves the problems of clustered sedum lineare, overgrowth, tenderness, drought intolerance and the like, but the isolation balls are made of soil, so that the manufacturing cost is high, and the implementation difficulty is high for large-scale roof greening.
Furthermore, another patent '201820293275.2 applied by the inventor, namely a roof greening structure for planting sedum lineare by adopting construction waste', makes a great progress in comparison with the prior art, adopts the construction waste as a planting base material and combines the use of the seedling control particles to solve part of problems in the sedum lineare planting process, and the patent is also granted. However, the patent mainly aims at the improvement of the sedum lineare planting technology, focuses on the problem of overgrowing of grass seedlings, on one hand, the effect still has great progress space for the requirements of good and continuous growth and the like under the condition of long-term zero management of roof greening, such as the problem of maximum defect root system oxygen deficiency, and on the other hand, the single sedum lineare planting landscape is too single and is not beneficial to the formation of a roof vegetation ecosystem. Meanwhile, with the acceleration of the urbanization process, the problems of construction waste and the treatment pressure are increased year by year.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to overcome the defect and not enough of current roof greening technique to and the problem that building rubbish is difficult to handle provides a good and very simple system of planting greening grass on the roof of effect. The system can realize planting of greening grass on the roof by completely utilizing the construction waste without depending on any conventional planting organic matrix. Broken particles such as bricks, concrete blocks, ceramic chips, wood chips, plastering ash, sand and stones in the construction waste are used as the granular layer and the planting base material, so that the cost is greatly reduced, the method is simple and easy to implement, and the technical problems of overgrowth, tenderness, mildew, lodging, unsmooth drainage, poor moisturizing effect, blocked root system development and the like in rainy seasons are solved at one time. Years of practice prove that the method meets the growth conditions of various green grasses such as sedum lineare, sedum sarmentosum, phyllostachys pubescens and groundsel rooting in the specific environment of the roof, has good and stable growth vigor, and realizes the technical goals of no need of watering, no need of fertilizing and no need of pruning after the roof grows into a garden. The technical problem of roof planting is fundamentally solved, and new contribution is expected to be made to roof greening career.
The utility model discloses above-mentioned purpose is realized through following technical scheme:
the utility model provides a planting system for green grass, includes from up setting gradually down: a root separating layer, a granular layer, a root protecting layer, a planting base material layer I and a vegetation layer. The granular layer and planting base material of the system are made of building garbage and are mainly used for roof greening planting.
The utility model discloses an among building rubbish's roof greening grass planting system, the most central is by separating root layer, grained layer, the air return system that the root layer constitutes, also for the water conservancy diversion layer, can build the second when doing benefit to the air return and prick a space, guarantees that the drainage is unobstructed, ventilative, moisturize. In addition, the broken bricks, concrete blocks, ceramic chips, wood chips, plastering ash, sand and stones and the like in the construction waste are used as a granular layer and a planting base material, the whole system is smooth in drainage and moisture preservation, the balance of drainage and moisture preservation of the system is realized, the planting layer keeps loose and breathable, the organic matrix can be planted independently of any conventional method, the construction waste is completely utilized to plant greening grass on the roof, the technical problems of overgrowth, tenderness, mildew, lodging, unsmooth drainage, poor moisture preservation, blocked root system development and the like in rainy seasons are solved, and the effects of no need of watering, no need of fertilizing and no need of pruning after the roof is grown into a garden are achieved. And the construction is simple and easy to implement, the cost is low, the construction waste material source is sufficient, and the construction waste material has the advantages of environmental protection and solving the problem of construction waste consumption.
Further preferably, the planting system further comprises a second planting base material layer, wherein the second planting base material layer is uniformly dispersed among the vegetation on the vegetation layer and is arranged on the first planting base material layer. The second planting base material layer has the function of enabling grass seedlings to be better attached to the planting base material layer, accelerating the growth of root shreds and simultaneously playing a certain seedling control role.
Preferably, the planting system further comprises a frame surrounding the entire planting system. The function is to standardize the grass planting range, prevent the loss of planting base materials and keep the roof environment clean.
Preferably, the frame is tightly attached to the root-separating layer, is positioned on the root-separating layer or is positioned on the outer side of the root-separating layer, and is higher than the planting base material layer. The root-separating layer is arranged on the roof.
The frame is made of construction waste. The building garbage is crushed and then added with cement to be processed and manufactured through a die. Preferably, the bottom of the frame is provided with a plurality of drainage holes.
The ports of the plurality of drain holes are distributed on the side wall of the frame and can be uniformly distributed or non-uniformly distributed. Preferably, the device is divided into a plurality of transverse rows and a plurality of longitudinal rows.
Preferably, the center line of the drainage hole is parallel to the bottom surface of the frame. Is beneficial to draining water.
Or the distances from the ports at the two ends of the drain hole to the bottom surface of the frame are different. I.e. one end is higher and the other end is lower; the mode of high inside and low outside is more beneficial to draining water and preventing external water from entering the internal area of the planting frame; and the mode of low inside and high outside is more favorable to planting the inside water gathering of frame. During actual construction, a more appropriate mode can be selected according to the drainage direction and the gradient of the roof, the local weather characteristics and the like.
Preferably, the hole diameter of the drain hole is 0.5-2.0 cm.
More preferably, the diameter of the drain hole is 1-1.5 cm.
In addition, the root separating layer is used for preventing grass roots from penetrating into the roof waterproof protective layer, so that the planting base material is completely isolated from the roof, the maintenance is convenient, and the moisture-keeping effect is achieved. The root-protecting layer is used for preventing the planting base material from flowing into the granular layer, enabling the grass roots to spirally grow in the granular layer, and preserving fertilizer and moisture.
The root separating layer is made of a water-permeable and air-permeable material; the root-protecting layer is made of a material which is permeable to water and air and has holes.
Preferably, the root-separating layer and the root-protecting layer can be both non-woven fabrics or geotextiles (the deep color is the best).
Preferably, the root separating layer is 150-200 g of non-woven fabric or needle-punched geotextile.
Preferably, the root-protecting layer is 100-150 g of non-woven fabric or needle-punched geotextile.
The root separating layer and the root protecting layer are required to be laid smoothly. When large-area construction is carried out, overlapping positions between every two non-woven fabrics or geotextiles need to be overlapped by 5-8 cm, and the optimal value is 5 cm.
In addition, the particles used in the particle layer are made of construction waste and are irregular particles or blocks. The function is drainage and ventilation, convection with the grass layer and the planting base material layer is formed, and meanwhile, partial grass root living space is provided.
Preferably, the particle size of the particle layer is 0.3-5 cm3Within the range. And (6) uniformly spreading.
Preferably, the particle layer is 1-2 cm3The large particles account for 50-60%.
Based on the current practical situation, the safety requirement of the state on the roof bulk cargo needs to be met, and the particle size of the bulk cargo cannot exceed 2cm3. Therefore, the particle size of the particle layer is required to be 0.3-2 cm3In the range of 1 to 2cm, preferably3More preferably 1 to 1.5cm3。
Preferably, the thickness of the particle layer is 2-8 cm.
More preferably, the thickness of the particle layer is 2 to 5cm (most preferably 2 to 3 cm).
Meanwhile, the planting base materials used for the planting base material layer I and the planting base material layer II are both less than 1 cm in size3The construction waste crushing material. Uniformly spread and are the main carriers for the growth and the propagation of the grass seedlings.
Preferably, the planting base material is 0.1-1 cm3The particles of (1).
Preferably, the thickness of the first planting base material layer is 1-5 cm, and most preferably 2-3 cm.
Preferably, the thickness of the planting base material layer II is 1-2 cm, the covering of the grass seedlings is required to be 30-40%, and the exposure of the grass seedlings is required to be 60-70%.
In addition, the construction waste comprises one or more of bricks, concrete blocks, ceramic tiles, wood chips, plastering ash or sand and stones, and the like, or is replaced by ceramsite.
The system of this patent is applicable to the roof planting of multiple afforestation grass, the vegetation layer can be multiple afforestation grass. For example, it can be one or more of herba Sedi linearis, herba Sedi, Phyllostachys Pubescens, and radix Sangusorbae.
By adopting a mixed planting mode, on one hand, different landscape characteristics can be shown according to needs, and on the other hand, the mixed planting of any of the four vegetations is proved to be very favorable for the formation of a roof vegetation ecosystem, can realize good continuous growth under a long-term no-management condition, and really realizes zero management and long-term continuous growth of roof greening vegetations.
Specifically, the vegetation layer is formed by spreading grass seedlings on the first planting base material layer.
The selectable grass seedling spreading mode comprises the following two modes: one is that the grass rolls cultured in the seedling base are directly laid and can not be overlapped; the other is in-situ planting, directly spreading grass seedlings: cutting the grass seedlings into small sections of 3-5 cm in length, recording each section as one, wherein each section is not less than two sections of a natural section, and uniformly spreading the grass seedlings, wherein the number of the grass seedlings per square is not less than 100 (preferably 100-300). The cost of the latter is 20-30%, and the time for growing the garden is 30-40 days later.
In practice, the construction steps of the whole system are completed in sequence according to requirements: (1) laying a root isolation layer; (2) placing a frame according to a construction drawing; (3) spreading a particle layer; (4) laying root protection cloth; (5) spreading planting base materials; (6) spreading and scattering grass seedlings; (7) adding and scattering planting base materials.
In addition, it should be noted that the above-mentioned scheme of utilizing construction waste is only an optimal scheme, and has the advantages of alleviating the problem of disposal of construction waste, etc., but the technical scheme of this patent is not limited to be capable of only utilizing construction waste, and all the alternatives capable of achieving the functions and effects should be within the range of the patent, for example, ceramsite is used as the granular layer and planting base material instead of construction waste.
The utility model discloses following beneficial effect has:
through many years 'practice proves, the utility model discloses a building rubbish's roof greening grass planting system has satisfied the growth condition of multiple afforestation grass such as sedum lineare, sedum sarmentosum, brocade bamboo grass, the root of falling to the ground under the specific environment of roof, and the growth vigor is good, stable, has realized growing full after becoming the garden, need not to water, need not to fertilize, need not to prune, has realized zero management, environmental protection, the sustainable of roof greening planting in the real sense. The system has the following characteristics:
1. the root separating layer, the particle layer and the root protecting layer form an air backflow system and a diversion layer, so that air backflow is facilitated, a second rooting space is built, the balance of smooth drainage and moisture preservation is guaranteed, the ventilation and sufficient oxygen are guaranteed, the longer the period is, roof rainwater flows through the particle layer, countless net-shaped flowing water systems are formed, rainwater is discharged smoothly, air is brought into the lower layer of the planting base material layer I in the rainwater discharging process, the important link for the growth of grass roots and grass seedlings is that sedum lineare, sedum sarmentosum, phyllostachys pubescens and ground rooting grow in the specific roof environment; the grass seedlings do not influence the greening and heat insulation effects because of overgrowth, tenderness, mildewing and lodging in rainy seasons, and the planting technical problems existing for more than 20 years, such as overgrowth, tenderness, mildewing, lodging, unsmooth drainage, poor moisturizing effect, hindered root system development and the like, are comprehensively solved. For greening light roofs, it is very important for the long-term growth of grass seedlings.
2. The whole system of the system completely adopts construction waste, does not need any organic matrix required by conventional planting, and can completely meet three factors of plant growth:
(1) the sunlight on the roof is abundant and is not blocked;
(2) air, and the designed air backflow system ensures sufficient oxygen;
(3) water: the whole greening structure is provided with two layers of moisturizing, one layer is a ventilation and backflow system, drainage and moisturizing are balanced, and the other layer is a planting base material layer, so that a good moisturizing effect is achieved; the leaves and stems of green grass such as sedum lineare, sedum sarmentosum, phyllanthus emblica and groundsel and rooting all have certain water storage and retention functions, and certain water can be stored in the leaves and stems in the rain process. Therefore, the roof after greening grows over the garden without watering, the management is less, the one-time planting can be beneficial for a long time, and the roof can grow and repair itself year after year.
3. The height of the grass seedlings can be regulated and controlled, and the height of the grass seedlings can be regulated through the thickness of the first planting base material layer according to the requirements of roof heat insulation, ornamental and other functions.
4. The particles and planting base material of the particle layer are prepared by crushing bricks, concrete blocks, wood chips, ceramic chips, sand and stone, plastering ash and the like in the construction waste. The planting base material has good air permeability, is not tight and lost for a long time, builds a living environment suitable for green grass such as sedum lineare, sedum sarmentosum, phyllanthus urinaria, groundsel and rooting, provides a loose environment of a planting base material layer, promotes roots and seedlings, keeps good green effect year after year, and does not need watering, fertilizing and pruning. Secondly, the construction waste renewable resources are utilized, and the method is energy-saving, emission-reducing, environment-friendly and sustainable.
5. Simple construction and low cost. The construction waste material has sufficient sources, not only is not purchased with money, but also can relieve the pressure of construction waste treatment, and is supported by the great force of governments and the whole society, so the cost is 40-50% lower than that of any planting scheme in the past, the construction is very simple and convenient, and each labor force can complete the construction for 200-300 m every day2(ii) a And after the one-time construction is finished, follow-up manual management is not needed.
6. The system integrates greening, heat insulation and waterproof layer protection, the thickness of the planting layer can be only several centimeters, the system is a novel light roof greening technology, zero management is realized after one-time planting, and long-term benefit is realized. The various green grasses can be mixed in a single mode, a two-in-one mode, a three-in-one mode or a four-in-one mode, and different mixed species show different landscape effects.
Drawings
FIG. 1 is a schematic longitudinal sectional view of the planting system of the present invention; the root-separating layer 1, the granular layer 2, the root-protecting layer 3, the planting base material layer I4, the vegetation layer 5, the planting base material layer II 6 and the frame 7.
Detailed Description
The invention is further described with reference to the drawings and the following examples, which are not intended to limit the invention in any way. Unless otherwise indicated, the reagents, methods and apparatus employed in the present invention are conventional in the art.
Unless otherwise indicated, reagents and materials used in the following examples are commercially available.
Example 1
1. The utility model provides an adopt building rubbish's roof greening grass planting system, as shown in fig. 1, has set gradually from bottom to top: the root-separating layer 1, the granular layer 2, the root-protecting layer 3, the planting base material layer I4, the vegetation layer 5 and the planting base material layer II 6. The planting system further comprises a frame 7 surrounding the whole planting system, the frame is tightly attached to the root isolation layer, and the root isolation layer 1 is arranged on the roof. Wherein, the root separating layer, the particle layer and the root protecting layer form an air reflux system and a diversion layer and provide a second root tying space.
In the planting system, the frame is formed by adding cement into crushed building garbage and processing the crushed building garbage through a die, and a plurality of drain holes are formed in the bottom of the frame. The function of the frame is to standardize the grass planting range and prevent the loss of the planting base material.
The root separating layer is made of 200g of needle-punched geotextile, the root protecting layer is made of 150g of needle-punched geotextile, the needle-punched geotextile is required to be laid smoothly, and when large-area construction is carried out, overlapping positions between every two non-woven fabrics or geotextiles need to be overlapped by 5-8 cm, and the optimal value is 5 cm.
The root separating layer is used for preventing grass roots from penetrating into the roof waterproof protective layer, so that the planting base material is completely isolated from the roof, the maintenance is convenient, and the moisture-keeping effect is achieved.
The root-protecting layer is used for preventing the planting base material from flowing into the granular layer, enabling the grass roots to spirally grow in the granular layer, and preserving fertilizer and moisture.
The particles used by the particle layer are made of construction waste and are irregular particles or blocks with the size of 1-1.5 cm3Within the range. The spreading is required to be uniform, and the spreading thickness is 2-3 cm. The function is drainage and ventilation, convection with the grass layer and the planting base material layer is formed, and meanwhile, partial grass root living space is provided.
In addition, the planting base materials used for the planting base material layer I and the planting base material layer II are all the planting base materials with the size smaller than 1 cm3The construction waste crushing material is a main carrier for growth and multiplication of grass seedlings. And (6) uniformly spreading. The thickness of the first planting base material layer is 2-3 cm; the thickness of the planting base material layer II is 1-2 cm, the planting base material layer II is required to cover 30-40% of grass seedlings,and exposing the grass seedlings by 60-70%. The second planting base material layer has the function of enabling grass seedlings to cling to the planting base material layer, and accelerating the growth of root shreds.
The construction waste can be selected from bricks, concrete blocks, ceramic tiles, wood chips, plastering ash or sand and stone, etc. The construction waste can also be replaced by ceramsite.
2. In practice, the construction steps of the whole system are completed in sequence according to the requirements:
(1) laying a root isolation layer;
(2) placing a frame according to a construction drawing;
(3) spreading a particle layer;
(4) laying root protection cloth;
(5) spreading planting base materials;
(6) spreading and scattering grass seedlings;
(7) adding and scattering planting base materials.
Wherein, the grass seedling in the step (6) can be selected from any one or a mixture of sedum lineare, stringy stonecrop, phyllostachys pubescens and groundsel root.
Specifically, the selectable grass seedling spreading modes include the following two modes: one is that the grass rolls cultured in the seedling base are directly laid and can not be overlapped; the other is in-situ planting, directly spreading grass seedlings: cutting the grass seedlings into small sections of 3-5 cm in length, recording each section as one, wherein each section is not less than two sections of a natural section, and uniformly spreading the grass seedlings, wherein the number of the grass seedlings per square is not less than 100 (preferably 100-300).
3. The inventor plants sedum lineare, sedum sarmentosum and phyllostachys pubescens by utilizing the system through long-term experimental planting, and the sedum lineare, the sedum sarmentosum and the phyllostachys pubescens are planted in a mixed mode with the roots falling to the ground, so that the effect is very good, and after one-time construction is completed in rainy seasons and dry seasons, follow-up zero-manual management is realized.
Example 2
1. Sedum lineare was planted on the roof using the system of example 1. The system of patent 201820293275.2 is used as a control. The roof was evenly divided into 8 zones on the same roof, and the experiments were divided into 4 groups, each of which was repeated two times. And the environmental factors (sunlight and air port positions) of 4 areas are ensured to be consistent.
Meanwhile, a transparent ceiling is erected above the 4 experimental areas, and the watering amount is manually controlled: the two multi-water groups are thoroughly watered once every evening; two water deficient groups were watered every 3 days until new leaves were grown on the grass seedlings (about 10 days later) and every 45 days.
And in the experimental period of 12 months, the bottom wettability and the grass seedling growth condition of each group of systems are observed and recorded.
Grouping experiments:
group 1: the system of the patent has a plurality of water groups;
group 2: patent 201820293275.2 system multiwater group;
group 3: the patent system has a water shortage group;
group 4: the patent 201820293275.2 system water shortage group.
2. Results of the experiment
The result of the multi-water group shows that the difference of the drainage performance of the two systems is not obvious, and the growth of the grass seedlings is not large. However, after a while, the root of the 201820293275.2 patent system is obviously deteriorated in growth and sustainability due to oxygen deficiency.
The result of the water shortage group shows that the moisture retention performance of the system is obviously superior to that of the system 201820293275.2, the growth vigor of the grass seedlings of the system group is obviously better, the grass seedlings of the group 3 still grow happy and neat and luxuriant until the end of the experimental period, and the grass seedlings of the group 4 begin to grow unevenly in about 6 months.
In addition, from the practical effect of utilizing the system of this patent to plant on the roof, even in the weather of long and arid rainy, the grass seedling just the blade shows slightly lack of water, but can resume rapidly after having the rainwater. For practice, no manual watering is required.
To sum up the result, compare with patent 201820293275.2's system, the biggest advantage of this patent planting system is in separating the root layer, the grained layer, protect the root layer and constituted air reflux system and water conservancy diversion layer, both provided sufficient vegetation's oxygen, can prevent mashed root scheduling problem, the grained layer has still constituted the second and has pricked root growth space, the moisturizing performance is better, adverse circumstances such as drought-resistant more, also have better drainage simultaneously, can not cause obvious ponding, the balance of having obtained better drainage and moisturizing, long-term zero management formula roof is planted has really been realized, it is more significant to roof greening and building refuse treatment's meaning and advantage.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (10)
1. The utility model provides a planting technique of green grass, its characterized in that includes and up sets gradually down: the planting base material layer II is uniformly dispersed among vegetation of the vegetation layer and is arranged on the planting base material layer I.
2. The planting system of claim 1, further comprising a frame surrounding the entire planting system, wherein a plurality of drainage holes are formed in the bottom of the frame.
3. The planting system of claim 2, wherein the center line of the drainage hole is parallel to the bottom surface of the frame, or the distance from the end of the drainage hole to the bottom surface of the frame is different.
4. The planting system of claim 1, wherein the granules of the granular layer have a size greater than a size of the planting base.
5. The planting system of claim 1, wherein the root barrier is made of a water permeable and air permeable material; the root-protecting layer is made of a material which is permeable to water and air and has holes.
6. The planting system of claim 5, wherein the root barrier and the root guard are both non-woven fabrics or geotextiles.
7. The planting system of claim 6, wherein the root-separating layer is 150-200 g of non-woven fabric or needle-punched geotextile, and the root-protecting layer is 100-150 g of non-woven fabric or needle-punched geotextile.
8. The planting system of claim 1 or 2, wherein the granules, the planting base material and the frame of the granule layer are made of construction waste or ceramsite.
9. A growing system according to any one of claims 1 to 7, wherein the system is adapted for use in roof greening.
10. The growing system of claim 8, wherein the system is applicable to roof greening.
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| CN201821873839.6U CN209824725U (en) | 2018-11-14 | 2018-11-14 | Roof greening grass planting system adopting building waste |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109302979A (en) * | 2018-11-14 | 2019-02-05 | 胡立明 | A method of using building waste in making rooftops green grass |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109302979A (en) * | 2018-11-14 | 2019-02-05 | 胡立明 | A method of using building waste in making rooftops green grass |
| CN109302979B (en) * | 2018-11-14 | 2024-01-30 | 胡立明 | Method for planting greening grass on roof by adopting construction waste |
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