CN216865742U - Roof assembled waterproof drainage structure - Google Patents

Abstract

The utility model relates to the field of roof drainage and discloses a roof assembled waterproof drainage structure. The structure comprises a bottom panel, a first panel, a waterproof layer, a drainage layer and a planting layer which are sequentially overlapped from bottom to top on a roof; the bottom panel and the first panel are both prefabricated flat plate pieces; the bottom panel is provided with an adjusting component capable of adjusting the installation height of the bottom panel. This scheme replaces the construction of pouring of looking for slope layer and screed-coat through the installation of splicing each other of a plurality of prefabricated bottom panels to the problem that roofing waterproof drainage structure's whole efficiency of construction is low has been solved.

Description

Roof assembled waterproof drainage structure

Technical Field

The utility model relates to the field of roof drainage, in particular to a roof assembled waterproof drainage structure.

Background

The planted roof is a roof which is formed by paving planting soil on a waterproof layer of a building roof and a roof of an underground engineering and planting plants so as to play roles of water proofing, heat preservation, heat insulation and ecological environmental protection. The existing typical roof waterproof and drainage structure comprises: the slope finding layer, the leveling layer, the waterproof layer, the drainage layer and the planting layer are sequentially arranged from bottom to top. When the waterproof drainage structure is constructed, the slope finding layer, the leveling layer, the waterproof layer, the drainage layer and the planting layer need to be constructed layer by layer from bottom to top. After the construction is finished, vegetation cultivation can be carried out on the planting layer. The prior art has the following defects: the slope finding layer or the leveling layer needs to be poured by cement mortar, the next construction can be carried out after the slope finding layer or the leveling layer is dried, and the construction gap is long. And after the construction of the leveling layer is finished, constructing the next layer upwards. When the hierarchical structure is more, the overall construction efficiency is obviously reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome at least one defect of the prior art and provides a roof assembled waterproof drainage structure which is used for solving the problem of low overall construction efficiency.

The utility model adopts the technical scheme that the roof assembled waterproof drainage structure comprises a bottom panel, a first panel, a waterproof layer, a drainage layer and a planting layer which are sequentially overlapped from bottom to top on a roof; the bottom panel and the first panel are both prefabricated flat plate pieces; the bottom panel is provided with an adjusting component capable of adjusting the installation height of the bottom panel.

The bottom panel of the scheme is produced in batches by a factory and is divided into a plurality of different series and specifications according to the size and the shape according to the application scene of the roof. During construction, a plurality of bottom panels are spliced with each other and are installed on a roof. On the one hand, its mounting height for the roofing is adjusted to bottom panel accessible adjusting part to the plane levelness of the first layer of adaptation roofing unevenness guarantees the bottom panel as waterproof drainage structure's surface levelness, saves repair and make level to roof surface concrete defect, has also replaced the screed-coat construction. On the other hand, the installation height of the bottom panel relative to the roof can be sequentially adjusted through the adjusting components at different positions, so that the plane of the bottom panel is inclined towards a certain direction, the slope finding of the waterproof drainage structure is completed, and the construction of the slope finding layer is replaced. The pouring construction of the slope finding layer and the leveling layer is a main factor influencing the construction efficiency of the roof waterproof and drainage structure. This scheme replaces the construction of pouring of looking for slope layer and screed-coat through the installation of splicing each other of a plurality of prefabricated bottom panels to the problem that roofing waterproof drainage structure's whole efficiency of construction is low has been solved. In addition, as the first layer of the waterproof drainage structure, the structural strength, structural rigidity, waterproof property, fireproof property, and crack resistance of the bottom panel are particularly important. This scheme is through add the first panel that satisfies above-mentioned requirement on the panel of bottom to accomplish the enhancement of bottom panel for this reason. Of course, the bottom panel may be reinforced by changing the material, thickness, and the like of the bottom panel, and the bottom panel may be integrated with the first panel. In addition, this scheme is not right the waterproof layer with the drainage blanket is injectd, and bottom panel and first panel can directly be applied to current waterproof drainage structures of roofing to replace it to look for slope layer and screed-coat.

Preferably, the bottom panel and the first panel, or the bottom panel, the first panel and the waterproof layer, or the bottom panel, the first panel, the waterproof layer and the drainage layer are fixedly connected with each other to form an integrated prefabricated component. Although the construction of the slope finding layer and the leveling layer is replaced by the bottom panel, the rest layers of the structure above the bottom panel still need to be constructed layer by layer on site. This scheme is on prefabricated bottom panel basis, and further with each layer structure fixed connection of its above except planting the layer, the prefabricated subassembly of formation integral type. For example, the bottom panel, the first panel and the waterproofing layer may be assembled to each other at the factory to form a prefabricated assembly. During on-site construction, the prefabricated components are spliced and installed on a roof, and leveling or slope finding is performed through the adjusting components; after the waterproof layer at the splicing seam is processed, only one drainage layer needs to be constructed, and the planting soil can be backfilled. Because the steps of site operation are reduced, therefore, the whole construction efficiency of the roof waterproof drainage structure is further improved.

Further, the bottom panel is fastened with the first panel by a connector and/or bonded by a sealing glue. The connecting pieces are in the forms of rivets, screws and the like.

Preferably, the heat-insulating layer also comprises an insulating layer and a second panel, wherein the second panel is positioned above the insulating layer; the heat-insulating layer and the second panel are positioned between the first panel and the waterproof layer, or the heat-insulating layer and the second panel are positioned between the waterproof layer and the drainage layer. The main function of the heat-insulating layer is to play the role of heat preservation and heat insulation of the roof. The roof waterproof and drainage structure is divided into an upright roof and an inverted roof according to the arrangement position of the heat insulation layer. The direct roof is constructed by arranging an insulating layer below a waterproof layer. The positive roof is characterized in that the waterproof layer is arranged on the heat insulation layer, so that moisture is prevented from permeating into the heat insulation layer, the heat insulation layer is kept dry, and the heat insulation layer plays a role in heat insulation. When the scheme of the positive roof is adopted, the waterproof layer represented by waterproof paint or waterproof coiled material can not be directly paved and adhered on the heat insulation material, so that the scheme provides a construction surface layer of the waterproof layer through the second panel. The inverted roof has the structure that the layers of a waterproof layer and a heat-insulating layer are inverted, the waterproof layer is arranged below the heat-insulating layer, and the heat-insulating layer is arranged above the waterproof layer. The inverted roof adopts hydrophobic materials with strong weather resistance as the heat insulation layer, so that the waterproof layer does not expand with heat or contract with cold, and the service life of the waterproof layer is prolonged; meanwhile, the heat-insulating layer also provides a layer of physical protection for the waterproof layer to prevent the waterproof layer from being damaged by external force. When the inverted roof scheme is adopted, the thermal insulation material generally cannot prevent the root system of the planting layer extending from penetrating, and once the root system penetrates through the thermal insulation layer, rainwater enters, so that the thermal insulation performance is reduced or the thermal insulation performance is failed. Consequently, this scheme provides the protection through the second panel (panel itself material is hard, has fire prevention, humidity resistance, compressive strength height), prevents that the root system from piercing through the heat preservation to make the inversion formula roofing also can carry out the vegetation and plant.

Preferably, the waterproof layer comprises a common waterproof layer and a root-penetration-resistant waterproof layer; the common waterproof layer is positioned below the root penetration resistant waterproof layer. This scheme is through setting up two-layer waterproof layer, the waterproof performance of dual guarantee roofing waterproof drainage structure.

Preferably, the drainage layer comprises a drainage plate and/or a drainage groove; the drainage plate and the drainage groove are tiled on the waterproof layer; the seepage water in the drainage plate flows into the drainage groove through the water inlets on two sides of the drainage groove and is discharged along the drainage groove in a directional mode. The structure of the drainage layer determines the drainage and water storage capacity of the roof waterproof drainage structure. According to the design requirements of the planted roof, the drainage layer can be formed by filling materials such as light ceramic particles and pebbles, can also be used as a drainage plate with water storage and drainage functions, can also be used as a drainage plate and drainage groove combination, and further forms a roof siphon drainage system.

The roof siphon drainage system can collect rainwater, irrigation water and the like falling on a roof and then discharge the rainwater to the underground or store the rainwater in an underground water storage tank through a pipeline. The system mainly comprises drain plates laid on a roof, a drain groove and a drain groove joint, wherein the drain groove is connected into a net through the drain groove joint and is interwoven between the tiled drain plates. After the roof drainage system is installed, it is usually covered with geotextile and backfilled with planting soil. When raining or irrigating, the permeating water in the soil passes through the geotextile and enters the drainage plate, then flows into the drainage groove through the drainage ports on the two sides of the drainage groove, and finally quickly enters the reservoir from the drainage groove under the action of the siphon. This system mainly utilizes water drainage tank to collect too much rainwater, irrigation water to the cistern in, and the water of utilizing to collect again in turn irrigates the roofing afforestation, when realizing the plumbing, satisfies energy-concerving and environment-protective requirement.

Furthermore, a ventilating observation pipe for communicating the inner cavity of the drainage groove with the atmospheric environment is arranged on the drainage groove; the outer surface of the connecting position of the drainage channel and the breathable observation tube is covered with a concrete protective layer. The ventilative sight tube distributes on the upper portion that water drainage tank and water drainage tank connect for at the siphon in-process, the inside atmospheric pressure of balanced water drainage tank. The concrete protective layer is used for strengthening the connection between the breathable observation pipe and the drainage channel, and the phenomenon that the breathable observation pipe is extruded and dislocated in the backfilling process of planting soil to cause incapability of exerting effects is avoided.

Preferably, a plurality of the adjusting components are uniformly distributed around and in the center of the bottom panel in a transverse and vertical mode. Each adjustment assembly corresponds to a support point of the bottom panel. Under the condition that the material strength and the thickness of the bottom panel are limited, the adjusting assemblies are uniformly distributed as much as possible, so that the supporting interval of the bottom panel can be reduced, the bottom panel is prevented from being broken under pressure, and the service life of the bottom panel is prolonged.

Further, the adjusting assembly comprises a connecting sleeve and a foundation screw; the connecting sleeve is embedded and fixed in the bottom panel and is in threaded connection with the foundation screws. The connecting sleeve has an internal thread and the anchor screw has an external thread. This scheme is through the height adjustment of rotatory rag screw realization bottom panel.

Preferably, a filtering layer is further arranged between the drainage layer and the planting layer. The filter layer can be arranged into a plurality of layers and is mainly used for preventing sediment in the planting layer from entering the drainage layer along with water, so that drainage blockage is caused.

Compared with the prior art, the utility model has the beneficial effects that:

the bottom panel of the scheme is produced in batches by a factory and is divided into a plurality of different series and specifications according to the size and the shape according to the application scene of the roof. This scheme replaces the construction of pouring of looking for slope layer and screed-coat through the installation of splicing each other of a plurality of prefabricated bottom panels to the problem that roofing waterproof drainage structure's whole efficiency of construction is low has been solved.

This scheme is on prefabricated bottom panel basis, and each layer structure fixed connection except planting the layer more than it further forms the prefabricated component of integral type. This scheme is through reducing the site operation step, further promotes the whole efficiency of construction of roofing waterproof drainage structure.

Drawings

FIG. 1 is a structural diagram of a non-insulating layer according to an embodiment of the present invention.

Fig. 2 is a structural diagram of a floor plan using an upright roof according to an embodiment of the present invention.

Fig. 3 is a structural diagram of an embodiment of the present invention using an inverted roof scheme.

Fig. 4 is a structural view of a drainage layer according to an embodiment of the present invention.

FIG. 5 is a block diagram of an adjustment assembly in accordance with an embodiment of the present invention.

Description of reference numerals: the bottom panel 10, the adjusting component 11, the connecting sleeve 12, the foundation screw 13, the first panel 20, the waterproof layer 30, the common waterproof layer 31, the root penetration resistant waterproof layer 32, the drainage layer 40, the drainage plate 41, the drainage groove 42, the breathable observation tube 43, the concrete protective layer 44, the planting layer 50, the heat preservation layer 61, the second panel 62 and the filter layer 63.

Detailed Description

The drawings are only for purposes of illustration and are not to be construed as limiting the utility model. For the purpose of better illustrating the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

As shown in fig. 1, the present embodiment is a roof assembled waterproof and drainage structure, which includes a bottom panel 10, a first panel 20, a waterproof layer 30, a drainage layer 40 and a planting layer 50, which are sequentially stacked on a roof from bottom to top; the bottom panel 10 and the first panel 20 are both prefabricated flat plate pieces; the bottom panel 10 is provided with an adjusting assembly 11 capable of adjusting the installation height thereof.

The bottom panel 10 of the present solution is mass produced in a factory and is divided into a plurality of different series and specifications according to size and shape according to the application scenario of the roof. During construction, a plurality of bottom panels 10 are spliced with each other and mounted on a roof. On the one hand, bottom panel 10 accessible adjusting part 11 adjusts its mounting height for the roofing to adapt to the uneven surface of roofing, guarantee bottom panel 10 as the plane levelness of waterproof drainage structure's first layer, save the repair and the leveling to roof surface concrete defect, also replaced the screed-coat construction. On the other hand, the installation height of the bottom panel 10 relative to the roof can be sequentially adjusted through the adjusting components 11 at different positions, so that the plane of the bottom panel 10 is inclined towards a certain direction, and slope finding of the waterproof drainage structure is completed, that is, the slope finding layer construction is replaced. The pouring construction of the slope finding layer and the leveling layer is a main factor influencing the construction efficiency of the roof waterproof and drainage structure. This scheme replaces the construction of pouring of looking for slope layer and screed-coat through the installation of splicing each other of a plurality of prefabricated bottom panels 10 to the problem that roofing waterproof drainage structure's whole efficiency of construction is low has been solved. In addition, as the first layer of the waterproof and drainage structure, the structural strength, structural rigidity, waterproof property, fireproof property, and crack resistance of the bottom panel 10 are particularly important. For this purpose, the first panel 20 meeting the above requirements is additionally arranged on the bottom panel 10 to complete the reinforcement of the bottom panel 10. Of course, the bottom panel 10 may be reinforced by changing the material, thickness, and the like of the bottom panel 10, and the bottom panel 10 may be integrated with the first panel 20. In addition, the waterproof layer 30 and the drainage layer 40 are not limited by the scheme, and the bottom panel 10 and the first panel 20 can be directly applied to the existing roof waterproof and drainage structure to replace a slope finding layer and a leveling layer.

Preferably, the bottom panel 10 and the first panel 20, or the bottom panel 10, the first panel 20 and the waterproof layer 30, or the bottom panel 10, the first panel 20, the waterproof layer 30 and the drainage layer 40 are fixedly connected to each other to form an integrated prefabricated assembly. Although the construction of the slope and leveling layers is replaced by the bottom panel 10, the rest of the structures above the bottom panel 10 still need to be constructed layer by layer on site. On the basis of the prefabricated bottom panel 10, the structure of each layer except the planting layer 50 is fixedly connected to form an integrated prefabricated assembly. For example, the bottom panel 10, the first panel 20 and the waterproof layer 30 may be assembled and connected to each other at a factory to form a prefabricated assembly. During on-site construction, the prefabricated components are spliced and installed on a roof, and leveling or slope finding is performed through the adjusting components 11; after the waterproof layer 30 at the splicing seam is processed, only one drainage layer 40 needs to be constructed, and the planting soil can be backfilled. Because the steps of site operation are reduced, therefore, the whole construction efficiency of the roof waterproof drainage structure is further improved.

Further, the bottom panel 10 is fastened to the first panel 20 by a connector and/or bonded by a sealant. The connecting pieces are in the forms of rivets, screws and the like. The embodiment provides two mounting modes, namely 1, fixing by using a self-tapping screw, and carrying out slope finding treatment on a screw cap by using MS sealant; the second type adopts the first panel 20 and uses a MS sealant as a bonding layer to be stuck and fixed with the bottom panel 10.

As shown in fig. 2 and 3, it preferably further comprises an insulating layer 61 and a second panel 62, wherein the second panel 62 is located above the insulating layer 61; the insulation layer 61 and the second panel 62 are located between the first panel 20 and the waterproof layer 30, or the insulation layer 61 and the second panel 62 are located between the waterproof layer 30 and the drainage layer 40. The main function of the heat-insulating layer 61 is to perform the heat-insulating and heat-preserving functions of the roof. The roof waterproof and drainage structure is divided into a positive roof and an inverted roof according to the arrangement position of the heat insulation layer 61. The direct roof is constructed with an insulating layer 61 generally below the waterproof layer 30. The waterproof layer 30 is arranged on the heat insulation layer 61 of the upright roof, so that moisture is prevented from permeating into the heat insulation layer 61, the heat insulation layer 61 is kept dry, and the heat insulation layer 61 plays a role in heat insulation. When the direct-mounted roof covering scheme is adopted, the waterproof layer 30 represented by waterproof paint or waterproof roll material cannot be directly paved and adhered on the heat insulation material, so that the construction surface layer of the waterproof layer 30 is provided through the second panel 62. The inverted roof has a structure in which the layers of the waterproof layer 30 and the insulating layer 61 are reversed, the waterproof layer 30 is under and the insulating layer 61 is above. The inverted roof adopts hydrophobic materials with strong weather resistance as the heat insulation layer 61, so that the waterproof layer 30 has no phenomena of expansion and contraction, and the service life of the waterproof layer 30 is prolonged; the insulation layer 61 also provides a physical protection to the waterproof layer 30 from external force. When the inverted roof scheme is adopted, the thermal insulation material generally cannot prevent the root system of the planting layer 50 extending from penetrating, and once the root system penetrates through the thermal insulation layer 61, rainwater enters, so that the thermal insulation performance is easily reduced or the thermal insulation performance is easily lost. Therefore, this scheme provides the protection through second panel 62 (panel itself material is hard, has fire prevention, humidity resistance, compressive strength height), prevents that the root system from piercing through heat preservation 61 to make the inversion formula roofing also can carry out the vegetation and plant. In this embodiment, in the case of an upright roofing scheme, the insulating layer 61 is located above the first panel 20, and the second panel 62 is located below the waterproof layer 30. In the inverted roofing scheme, the insulating layer 61 is located above the waterproof layer 30, and the second panel 62 is located below the drainage layer 40.

Preferably, the waterproof layer 30 includes a general waterproof layer 31 and a root-penetration-resistant waterproof layer 32; the normal waterproof layer 31 is located below the root-penetration resistant waterproof layer 32. This scheme is through setting up two-layer waterproof layer 30, the waterproof performance of dual guarantee roofing waterproof drainage structure.

As shown in fig. 4, preferably, the drainage layer 40 includes a drainage plate 41 and/or a drainage groove 42; the drainage plate 41 and the drainage groove 42 are flatly laid on the waterproof layer 30; the permeated water in the drain plate 41 flows into the drain groove 42 through the water inlet ports located at both sides of the drain groove 42 and is discharged in a direction along the drain groove 42. The structure of the drainage layer 40 determines the drainage and water storage capacity of the roof waterproof drainage structure. According to the design requirements of the planted roof, the drainage layer 40 can be formed by filling materials such as light ceramsite, pebble and the like, can also be used as a drainage plate 41 with water storage and drainage functions, can also be used as a drainage plate 41 and a drainage groove 42 in a combined manner, and further forms a roof siphon drainage system.

The roof siphon drainage system can collect rainwater, irrigation water and the like falling on a roof and then discharge the rainwater to the underground or store the rainwater in an underground water storage tank through a pipeline. The system mainly comprises drain plates 41 laid on a roof, drain grooves 42 and drain groove joints, wherein the drain grooves 42 are connected into a net through the drain groove joints and are interwoven among the tiled drain plates 41. After the roof drainage system is installed, it is usually covered with geotextile and backfilled with planting soil. During rainfall or irrigation, the seepage water in the soil passes through the geotextile and enters the drainage plate 41, then flows into the drainage groove 42 through the drainage ports on two sides of the drainage groove 42, and finally quickly enters the reservoir from the drainage groove 42 under the action of the siphon. The system mainly utilizes the drainage channel 42 to collect excessive rainwater and irrigation water into the reservoir, and then utilizes the collected water to irrigate roof greening, so that the requirements of energy conservation and environmental protection are met while water supply and drainage are realized.

In this embodiment, the drain board 41 is made of high density polyethylene material to ensure its strength and hardness. The drain plate 41 includes a plurality of bosses arranged in a matrix. The spacing space of the boss is used for storing water. The side surface of the drain plate 41 is aligned with the plurality of drain openings provided on both sides of the drain groove 42, or the side surface of the drain plate 41 is caught in the plurality of drain openings provided on both sides of the drain groove 42. The drain channel 42 is inverted and has its opening facing downward. The drain plate 41, the drain groove 42, and the drain groove joint are bonded to the waterproof layer 30 or the second panel 62 by a double-sided adhesive tape.

Further, a ventilating observation pipe 43 for communicating the inner cavity of the drainage groove 42 with the atmospheric environment is arranged on the drainage groove; the outer surface of the connection position of the drain tank 42 and the gas permeable observation pipe 43 is covered with a concrete protective layer 44. The air-permeable observation tube 43 is disposed at the upper portion of the drain tank 42 and the drain tank joint for equalizing the internal air pressure of the drain tank 42 during siphoning. The concrete protective layer 44 is used for strengthening the connection between the breathable observation tube 43 and the drainage groove 42, and the phenomenon that the breathable observation tube is extruded and misplaced in the backfilling process of planting soil and cannot play a role is avoided.

Preferably, a plurality of the adjusting assemblies 11 are uniformly distributed around and in the center of the bottom panel 10. Each adjustment assembly 11 corresponds to a support point of the bottom panel 10. Under the condition that the material strength and the thickness of the bottom panel 10 are limited, the adjusting assemblies 11 are uniformly distributed as much as possible, so that the supporting interval of the bottom panel 10 can be reduced, the bottom panel 10 is prevented from being broken under pressure, and the service life of the bottom panel is prolonged.

As shown in fig. 5, further, the adjusting assembly 11 includes a connecting sleeve 12 and an anchor screw 13; the connecting sleeve 12 is embedded and fixed in the bottom panel 10, and the connecting sleeve 12 is in threaded connection with the foundation screw 13. The coupling sleeve 12 has an internal thread and the anchor screw 13 has an external thread. The present solution enables height adjustment of the bottom panel 10 by rotating the anchor screws 13. Preferably, the anchor screws 13 are universal anchor screws (ball anchor screws).

Preferably, a filter layer 63 is further included between the drainage layer 40 and the planting layer 50. The filtering layer 63 may be provided in several layers, which mainly prevent silt in the planting layer 50 from entering the drainage layer 40 with water, thereby causing drainage blockage.

In this embodiment, the first panel 20 and the second panel 62 are both calcium silicate panels, and the first panel 20 is thicker than the second panel 62. The insulating layer 61 is a polyurethane foam plate or an extruded plate. The common waterproof layer 31 is a 1.5mm non-asphalt-based waterproof roll (double-sided); the root penetration resistant waterproof layer 32 is a 1.6mm butyl self-adhesive root penetration resistant macromolecule waterproof coiled material. The filter layer 63 is geotextile, and completely covers the outer surfaces of the drain plate 41, the drain groove 42 and the drain connector.

It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention claims should be included in the protection scope of the present invention claims.

Claims (10)

1. The roof assembled waterproof and drainage structure is characterized by comprising a bottom panel, a first panel, a waterproof layer, a drainage layer and a planting layer which are sequentially overlapped from bottom to top on a roof; the bottom panel and the first panel are both prefabricated flat plate pieces; the bottom panel is provided with an adjusting component capable of adjusting the installation height of the bottom panel.

2. A roof-mounted waterproof and drainage structure as claimed in claim 1, wherein the bottom panel and the first panel, or the bottom panel, the first panel and the waterproof layer, or the bottom panel, the first panel, the waterproof layer and the drainage layer are fixedly connected to each other to form an integrated prefabricated assembly.

3. A roof-mounted waterproof and drainage structure as claimed in claim 2, wherein said bottom panel is fastened to said first panel by a connector and/or bonded by a sealant.

4. The roof-mounted waterproof and drainage structure of claim 1, further comprising an insulating layer and a second panel, wherein the second panel is located above the insulating layer; the heat-insulating layer and the second panel are positioned between the first panel and the waterproof layer, or the heat-insulating layer and the second panel are positioned between the waterproof layer and the drainage layer.

5. The roof-mounted waterproof and drainage structure of claim 1, wherein said waterproof layer comprises a normal waterproof layer and a root-piercing resistant waterproof layer; the common waterproof layer is positioned below the root penetration resistant waterproof layer.

6. The roof-mounted waterproof and drainage structure of claim 1, wherein the drainage layer comprises drainage plates and drainage channels; the drainage plate and the drainage groove are tiled on the waterproof layer; the seepage water in the drainage plate flows into the drainage groove through the water inlets on two sides of the drainage groove and is discharged along the drainage groove in a directional mode.

7. The roof-mounted waterproof and drainage structure as claimed in claim 6, wherein the drainage channel is provided with a ventilation observation pipe for communicating the inner cavity thereof with the atmospheric environment; the outer surface of the connecting position of the drainage channel and the breathable observation tube is covered with a concrete protective layer.

8. A roof-mounted waterproof and drainage structure as claimed in any one of claims 1 to 7, wherein a plurality of said adjustment assemblies are evenly distributed around and in the centre of said bottom panel.

9. A roof-mounted waterproof and drainage structure as claimed in claim 8, wherein said adjustment assembly includes a connecting sleeve and anchor screws; the connecting sleeve is embedded and fixed in the bottom panel and is in threaded connection with the foundation screws.

10. The roof-mounted waterproof and drainage structure of claim 1, wherein a filter layer is further included between the drainage layer and the planting layer.

Images