CN216007579U - Waterproof integration roofing structure permeates water - Google Patents

Abstract

The utility model relates to the field of building planting roofs, in particular to a water-permeable and waterproof integrated roof structure, which comprises a roof base layer and a parapet, the inner side of the parapet wall is provided with a brick retaining wall, waterproof layers are arranged between the parapet wall and the brick retaining wall and on the surface of the roof base layer, a first drainage channel is arranged around the roof base layer on the inner side of the brick retaining wall, the first drainage channel surrounds the roof base layer into a water-permeable and waterproof area, a drainage layer is arranged on the surface of the waterproof layer in the water-permeable and waterproof area, a plurality of second drainage channels are arranged above the drainage layer, the first water drainage tank and the second water drainage tank are connected with each other through a connecting pipe fitting, a filter layer is arranged above the second water drainage tank, a planting layer and a water permeable surface layer are arranged on the surfaces of the water drainage layer and the filter layer at intervals, the inboard roofing basic unit of brick barricade still sets up the outlet, the outlet with the connection pipe connection of water drainage tank. The utility model discloses when further reducing roofing structure load, improved its waterproof performance that permeates water.

Description

Waterproof integration roofing structure permeates water

Technical Field

The utility model relates to a roofing field is planted to the building, more specifically relates to a waterproof integration roofing structure permeates water.

Background

The planted roof is a roof which is characterized in that planting soil is paved on a waterproof layer of a building roof and plants are planted to make the roof play roles of water prevention, heat preservation, heat insulation and ecological environmental protection, is an important component of green buildings and sponge cities, and is popular in recent years. The proposal of the concept of planting the roof makes the waterproof industry and the landscape industry develop greatly.

The traditional planting roof structure is generally a common waterproof layer, a root penetration resistant waterproof layer, a drainage plate and a planting layer, or a slope finding layer, a waterproof layer, a root penetration resistant waterproof layer, a protective layer, a heat preservation layer, a protective layer, a filter layer and a planting layer. However, due to the fact that the bearing capacity of the roof is limited, the soil covering depth of the planting layer is small and is generally only 10-20 cm, the water storage capacity and the water retention capacity of the soil of the planting layer are limited, in arid and rainless areas, the roof needs frequent watering, maintenance cost is high, fine stones are generally adopted as protective layers, and the roof is prone to cracking after long-term use, and appearance of the roof is affected. At present, a plastic box with herbaceous vegetation is placed on a simple planting roof of the roof, but the plastic box is easy to age and deform under long-time sunlight irradiation, so that a planting matrix is lost, the ventilation and drainage performance is reduced due to the closed space in the plastic box, and roots of plants are easy to rot. Therefore, a roof structure which is simple in structure, light in weight and good in water permeability and water resistance is not available at present.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at overcoming above-mentioned prior art's at least one defect (not enough), provide a waterproof integration roofing structure permeates water, when further reducing roofing structure load, improved its waterproof performance that permeates water.

The technical proposal adopted by the utility model is that a permeable and waterproof integrated roof structure is provided, which comprises a roof base layer and a parapet wall, the inner side of the parapet wall is provided with a brick retaining wall, waterproof layers are arranged between the parapet wall and the brick retaining wall and on the surface of the roof base layer, the periphery of the roof base layer at the inner side of the brick retaining wall is provided with a first drainage channel which surrounds the roof base layer into a water permeable and waterproof area, the surface of the waterproof layer in the water permeable and waterproof area is provided with a drainage layer, a plurality of second drainage grooves are arranged above the drainage layer, the first drainage grooves and the second drainage grooves are mutually connected through connecting pipes, a filter layer is arranged above the second water drainage groove, planting layers and water permeable surface layers are arranged on the surfaces of the water drainage layer and the filter layer at intervals, the inboard roofing basic unit of brick barricade still sets up the outlet, the outlet with the connection pipe connection of water drainage tank.

In the technical scheme, a slope layer and a protective layer are not needed in the roof structure, the overall structure is simplified, and the load of the roof is reduced, wherein the overall roof is provided with waterproof layers which are used for playing a main role of preventing water leakage and seepage for the roof, and the waterproof layers arranged in the water-permeable waterproof areas can prevent plant roots from penetrating through a roof base layer, so that the hidden danger of water leakage and the damage to the building structure are avoided; the surface course that permeates water adopts the material of high water permeability, the soil of planting the layer also has good water permeability, can make the rainwater pass through the surface course that permeates water fast and plant the layer, guarantees the drainage effect that permeates water, and the surface course that just permeates water separates the setting with planting the layer, can need not set up the parting joint and also can guarantee that the surface course that permeates water can not ftracture, makes roofing structure more pleasing to the eye, because the soil of planting the layer is loose, runs off easily at the in-process that permeates water, causes planting layer earthing attenuation and drainage mud content to increase, consequently is equipped with the filter layer that is used for filtering earth, drainage blanket collects the rainwater and in time dredges the rainwater through first water drainage tank and second water drainage tank and discharges to the outlet, realizes initiatively waterproof to can alleviate the hydrostatic pressure of waterproof layer, improve the life-span of waterproof layer.

Furthermore, first water drainage tank and second water drainage tank cooperation form "net" type structure, will the waterproof zone that permeates water divides into a plurality of waterproof subregion that permeates water, the planting layer sets up first water drainage tank top with the filter layer top, the surface course setting that permeates water is located the top of the water drainage layer of waterproof subregion that permeates water.

In the technical proposal, because the permeable surface layer material inevitably generates expansion and contraction in the curing process after being laid, and the outer sides of the existing water drainage grooves are all provided with reinforcing ribs, if a water permeable surface layer is also poured above the water drainage grooves, the construction difficulty is increased, and the permeable surface layer is easy to crack, so the roof base layer is divided into a plurality of permeable waterproof subareas with smaller areas by the cooperation of the first drainage groove and the second drainage groove, the planting layers are arranged above the first water drainage tank and the filtering layer, so that not only can soil be used for filling the upper part of the water drainage tank, but also the separation seams arranged on the permeable surface layer in the prior art can be replaced, the permeable surface layer is only arranged above the water drainage layer of the permeable waterproof subarea, the cracking of the permeable surface layer can be avoided, the attractiveness of the roof and the protection function of the roof are guaranteed, and the overall compactness of the roof structure is guaranteed.

And furthermore, the width of the planting layer is greater than that of the first water drainage groove and the second water drainage groove, and the width of the filtering layer is greater than that of the planting layer, so that the joint of the planting layer and the water permeable surface layer is positioned above the filtering layer.

In the technical scheme, the width of the planting layer is larger than that of the first water drainage groove and that of the second water drainage groove, the planting layer can be ensured to completely cover the first water drainage groove and the second water drainage groove so as to level up the height difference between the water drainage layer and the water drainage grooves, so that the surface height of the roof structure is basically consistent, the planting layer has a certain area, the water permeable surface layer can be divided into smaller areas, and the water permeable surface layer of each water permeable and waterproof partition is not required to be provided with a separation seam; the width of the filter layer is larger than that of the planting layer, so that the planting layer is completely arranged above the filter layer, and the partial permeable surface layer connected with the planting layer is also positioned above the filter layer, so that the soil of the planting layer can be completely blocked by the filter layer and cannot run off.

Further, the waterproof layer includes root resistance high polymer waterproofing membrane and powerful alternately membrane high polymer waterproofing membrane that stacks gradually from bottom to top.

In this technical scheme, root puncture resistant polymer waterproofing membrane has waterproof and prevents the function that plant roots pierces through, can bear the puncture of plant root palpus, does not influence plant normal growth again, powerful alternately membrane polymer waterproofing membrane intensity is higher, and waterproof performance is good, also has certain anti puncture function, through the cooperation of two-layer waterproofing membrane, has promoted the holistic waterproof of roofing structure and root puncture resistant performance.

The waterproof structure further comprises additional waterproof layers, wherein the additional waterproof layers are arranged between the parapet wall and the waterproof layers, between the inner side of the water outlet and the waterproof layers and between the roof base layer around the water outlet and the waterproof layers.

In this technical scheme, roofing basic unit parapet and brick barricade and outlet all around belong to waterproof weak node, and the rainwater is gathered near the outlet when the drainage, and the hydrostatic pressure increase of waterproof layer here, if appear in the waterproof layer minor defect then the rainwater seepage can appear, consequently set up additional waterproof layer, strengthen water repellent to these nodes, further prevent that the infiltration phenomenon of leaking from appearing.

Further, the drainage blanket is high density polyethylene drain bar, the drain bar upper surface covers there is geotechnological cloth, the drain bar has a plurality of bosss, the boss top surface with the waterproof layer meets, geotechnological cloth cover in one side of boss bottom surface.

Preferably, the thickness of the drainage plate is 8-20 mm, and the gram weight of the geotextile is 150-200 g/m²。

In the technical scheme, the drainage plates are made of high polymer materials, have physical root blocking and water permeation preventing effects, cover the whole water permeation and water prevention area by the sealed lap joint of a plurality of drainage plates, can simultaneously play the roles of preventing water from being drained and preventing plant roots from penetrating through the waterproof layer and the roof base layer, ensures the waterproof effect of the roof structure, when the drainage plate is arranged, the top surface of the lug boss faces downwards, the bottom surface of the lug boss faces upwards, the bottom surface of the lug boss is covered with geotextile to filter rainwater, so that the rainwater penetrates through the permeable surface layer and the planting layer and is filtered by the geotextile, one part flows to the water outlet through the water discharge groove and is discharged, the other part is stored in the lug boss to supplement water for the vegetation of the planting layer, can reduce the frequency of pouring and maintenance, is more suitable for being applied to arid and rainless areas, the thickness of the drainage plate can be selected according to the local rainfall, so that the water storage capacity of the drainage plate meets the planting requirement of the vegetation and simultaneously ensures better drainage capacity.

Further, the filter layer is geotextile. The geotechnical cloth is arranged above the second water drainage groove and serves as a filtering layer, so that the filtering effect is further improved, and the soil of the planting layer is prevented from running off along with rainwater as far as possible.

Furthermore, a drainage groove cushion layer is arranged below the first drainage groove, so that the first drainage groove and the second drainage groove are consistent in position height.

Preferably, the material of the drainage channel cushion layer is cement mortar.

Because waterproof layer and drainage blanket have the take the altitude, consequently set up the first water drainage tank of water drainage tank bed course bed hedgehopping in this technical scheme, make and do not have the drop between first water drainage tank and the second water drainage tank, be convenient for connect the first water drainage tank of pipe fitting connection and second water drainage tank, simultaneously, cement mortar can protect the waterproof layer, plays and strengthens waterproof effect, further prevents that the infiltration phenomenon of leaking from appearing.

Furthermore, a siphon rainwater hopper is arranged at the water outlet, and a blade blocking device is arranged above the siphon rainwater hopper.

According to the technical scheme, according to the unorganized siphon drainage principle, the drainage port is communicated with the drainage groove through the connecting pipe fitting, the siphon rainwater hopper is arranged to generate drainage negative pressure, rainwater at the drainage plate quickly enters the drainage groove and is guided to the drainage port through the drainage groove to be drained, the siphon rainwater hopper enables the drainage speed of the roof structure to be higher, and the rainwater load borne by the roof to be minimum; the leaf blocking device is arranged to block fallen leaves and dry branches, so that a rainwater hopper is prevented from being blocked, and the drainage effect is prevented from being influenced.

Further, the permeable surface layer is made of permeable concrete.

Traditional surface course is the cement concrete surface course, nevertheless cement is exothermic can lead to the surface course to take place the expansion and contraction in hydration process, easily produce crackle influence roofing outward appearance, consequently adopt pervious concrete in this application, it mixes the system for the aggregate and forms, avoid taking place the inflation if cement cementitious material, the volume is stable after pouring, surface course surface wear-resisting, its water permeability is better, roofing plane rainwater can see through pervious concrete fast and be discharged, guarantee that the roofing plane does not have ponding, and pervious concrete's colour customizable, can lay different colours according to the design requirement, the decorative pattern, the surface course that permeates water of pattern, beautify the roofing outward appearance.

Preferably, the soil of the planting layer is prepared by mixing humus and construction waste regeneration materials, the construction waste regeneration materials are granules and powder obtained by crushing red bricks, concrete blocks and other materials screened after the building is dismantled, the diameter of the granules and the powder is less than 10mm, the volume ratio of the humus to the construction waste regeneration materials is 1:4, and the volume ratio of the granules to the powder in the construction waste regeneration materials is more than 1/2.

Preferably, the thickness of the soil of the planting layer is 5-10 cm.

In the technical scheme, the recycled material prepared by recycling the construction waste is adopted to prepare the soil, the environment is protected, the construction waste recycled material belongs to an inorganic material, and compared with the existing single construction waste recycled material or organic soil, the soil prepared by blending the construction waste recycled material and the leaf rotting substance according to a certain proportion has better water retention and air permeability, the soil can be loosened and ventilated, and the soil has acid-base buffering capacity and nutrition required by plant growth, so that the plant growth is facilitated; because the soil water retention capacity that chooses for use is good, and has set up the drain bar that has certain retaining capacity, consequently soil thickness can be thinner, has further reduced the roofing load.

Preferably, the vegetation of the planting layer is herbaceous vegetation with strong stress resistance. The herbaceous vegetation with strong stress resistance is simple to maintain, does not need frequent watering maintenance, is more suitable for arid areas with little water, has lighter weight and can reduce the roof load.

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

(1) the utility model simplifies the roof structure, does not need to find a slope layer and a protective layer, utilizes the unorganized siphon drainage principle to quickly drain away rainwater, optimizes the planting layer and greatly reduces the load of the roof structure;

(2) the utility model discloses a drain bar, drain tank guide rainwater discharge fast and realize initiative waterproof, cooperate double-deck waterproof layer and additional waterproof layer, and drain bar and double-deck drain bar can both prevent the plant roots puncture, have given the good waterproof and root-blocking performance of roofing structure;

(3) the utility model discloses a surface course and the planting layer of permeating water all have good effect of permeating water, can avoid rainy day roofing plane ponding, utilize to plant layer and water drainage tank to roofing basic unit subregion, the branch parting joint of cancellation surface course of permeating water also can not cause the surface course fracture of permeating water, has guaranteed the surface course of permeating water to the protect function of roofing and the aesthetic property of roofing.

Drawings

Fig. 1 is a schematic cross-sectional view of the present invention.

Fig. 2 is a partially enlarged view of a cross-sectional view a of fig. 1.

Fig. 3 is a partially enlarged view of a cross-sectional view B of fig. 1.

Fig. 4 is a partially enlarged view of the cross-sectional view C of fig. 1.

Fig. 5 is a schematic view of the partition structure of the present invention.

Fig. 6 is a schematic top view of the present invention.

In the drawings are labeled: a roof substrate 100; a drain port 110; a siphonic rainwater hopper 120; a leaf blocker 130; a parapet wall 200; brick retaining wall 300; an anchor 310; a sealing paste 320; a drain tank pad layer 330; an additional waterproof layer 410; root-resistant waterproof polymer roll 420; strong cross membrane polymer waterproofing membrane 430; a first drain tank 510; a second drain groove 520; a connecting pipe 530; a drain plate 540; a filter layer 550; a planting layer 610; a water permeable facing 620.

Detailed Description

The drawings of the present invention are for illustration purposes only and are not to be construed as limiting the invention. For a better understanding of 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.

Examples

As shown in fig. 1, the present embodiment provides a water-permeable and waterproof integrated roof structure, which includes a roof base 100 and a parapet 200, wherein a brick retaining wall 300 is disposed on an inner side of the parapet 200, a water outlet 110 is further disposed on the roof base 100 on the inner side of the brick retaining wall 300, and waterproof layers are disposed between the parapet 200 and the brick retaining wall 300 and on a surface of the roof base to prevent water seepage and leakage on the roof; the drainage outlet 110 is provided with a siphon rainwater hopper 120, so that the whole roof structure utilizes the unorganized siphon drainage principle to drain water, the drainage speed is increased, the rainwater load borne by the roof is reduced as much as possible, and the slope finding layer is omitted on the roof by arranging the siphon rainwater hopper 120, the roof structure is simplified, the load of the roof is further reduced, a leaf blocking device 130 for blocking the fallen leaf deadwood is further arranged above the siphon rainwater hopper 120, and the rainwater hopper is prevented from being blocked to influence the drainage effect.

Referring to fig. 5 and 6, a first drainage channel 510 is disposed around the roof base layer 100 on the inner side of the bricked retaining wall, the first drainage channel 510 surrounds the roof base layer 100 to form a water-permeable waterproof region, a drainage layer is disposed on the surface of the waterproof layer in the water-permeable waterproof region, a plurality of second drainage channels 520 are disposed above the drainage layer, a drainage channel cushion 330 formed by pouring cement mortar is disposed below the first drainage channel 510 to make the positions of the first drainage channel 510 and the second drainage channels 520 consistent, the first drainage channel 510 and the second drainage channel 520 are connected with each other through a connecting pipe 530 to form a grid structure in a matching manner, the water-permeable waterproof region is divided into a plurality of water-permeable waterproof partitions, the connecting pipe 530 is a three-way drainage channel or a four-way drainage channel, the drainage port 110 is connected with the connecting pipe 530 of the drainage channels to drain collected rainwater, second water drainage tank 520 top is equipped with filter layer 550, the preferred geotechnological cloth of material of filter layer 550, it sets up to plant layer 610 first water drainage tank 510 top and filter layer 550 top, the surface course 620 that permeates water sets up and is being located permeate water the waterproof subregion's drainage blanket's top, makes plant layer 610 and the surface course 620 interval setting that permeates water. Separate roofing basic unit 100 for the littleer waterproof subregion of permeating water of a plurality of areas through first water drainage tank 510 and the cooperation of second water drainage tank 520, can cut apart the area of the surface course 620 that permeates water littleer, and then cancel prior art at the parting joint that the surface course 620 that permeates water set up, also can not make the surface course 620 that permeates water split, guarantee the pleasing to the eye of roofing and the surface course 620 that permeates water to roofing basic unit 100's protect function, set up planting layer 610 in first water drainage tank 510 top and filter layer 550 top, utilize soil to fill the water drainage tank top, guarantee the holistic closely knit degree of roofing structure, reduce the construction degree of difficulty, and plant the vegetation on the layer 610 and can beautify the roofing.

Preferably, the water permeable surface layer 620 and the planting layer 610 have substantially the same height, the width of the planting layer 610 is greater than the width of the first water drainage groove 510 and the second water drainage groove 520, in this embodiment, the width of the first water drainage groove 510 is the same as the width of the second water drainage groove 520, the width of the planting layer 610 is greater than the width of the first water drainage groove 510 and the width of the second water drainage groove 520 by several centimeters, so as to ensure that the planting layer 610 completely covers the water drainage grooves, the width of the filter layer 550 is greater than the planting layer 610, so that the joint of the planting layer 610 and the water permeable surface layer 620 is located above the filter layer 550, so as to ensure that the soil of the planting layer 610 can be blocked by the filter layer 550 without loss.

Preferably, the drainage layer is a high-density polyethylene drainage plate, so that the drainage plate 540 has physical root-blocking and water-permeable effects, the whole water-permeable and waterproof area is covered by the plurality of drainage plates 540 in a sealing and lapping way, the effects of preventing water from draining and preventing plant roots from penetrating through the waterproof layer and the roof base layer 100 can be simultaneously achieved, and the waterproof effect of the roof structure is ensured; the drainage layer is provided with a plurality of bosses, the top surfaces of the bosses are connected with the waterproof layer, the geotextile covers one side of the bottom surfaces of the bosses, the geotextile is connected with the permeable surface layer 620 or the filter layer 550, and the geotextile is used for filtering rainwaterThe gram weight of the silt is preferably 150-200 g/m²After being filtered, one part of rainwater flows into the drainage groove through the drainage plate 540 and is drained, and the other part of rainwater is stored in the lug boss to supplement water for the vegetation of the planting layer 610, so that the pouring maintenance frequency can be reduced, and the rainwater-collecting and water-saving device is more suitable for being applied to arid and rainless areas; the thickness of drain bar 540 can be selected according to local rainfall, and thickness is 8 ~ 20mm, can guarantee to store appropriate amount rainwater in the boss, can not increase too big load for the roofing base face when satisfying the vegetation growth.

In rainy days, rainwater penetrates through the water permeable surface layer 620 and the planting layer 610, flows into the drainage plate 540 after being filtered by the geotextile on the surface of the drainage plate 540 and the filter layer 550 above the second drainage groove 520, part of rainwater is stored in the boss, and part of rainwater flows into the first drainage groove 510 and the second drainage groove 520 and is sucked to the drainage port 110 under the action of the siphon rainwater hopper 120 to be drained through the drainage pipe, so that active drainage and water prevention are realized.

As shown in fig. 3, the waterproof layer is a double-layer structure and includes a root-puncture-resistant polymer waterproof roll 420 and a strong cross-membrane polymer waterproof roll 430 which are sequentially stacked from bottom to top, the root-puncture-resistant polymer waterproof roll 420 has the functions of preventing water and plant root systems from penetrating, can bear plant root puncture, and does not affect the normal growth of plants, the strong cross-membrane polymer waterproof roll 430 has higher strength and good waterproof performance, and also has a certain puncture-resistant function, and the overall waterproof and root-puncture-resistant performances of the roof structure are improved by the cooperation of the two layers of waterproof rolls; as shown in fig. 2, additional waterproof layers 410 are further disposed between the parapet wall 200 and the waterproof layer, between the inner side of the water discharge port 110 and the waterproof layer, and between the roof base layer 100 around the water discharge port 110 and the waterproof layer, so as to reinforce the waterproof weak nodes, and since the water discharge groove cushion layer 330 is made of cement mortar, and is disposed on the roof base layer around the water discharge port 110, the waterproof layer can be protected, and the waterproof layer and the additional waterproof layer 410 are matched to play a role in reinforcing waterproof, so as to further prevent water seepage and leakage; as shown in fig. 4, an additional waterproof layer 410 and a waterproof layer provided between the parapet wall 200 and the brick retaining wall are fixed on the elevation of the parapet wall 200 using anchors 310, and joints are caulked using a sealant 320 to prevent rainwater from infiltrating.

Preferably, this embodiment adopts pervious concrete as the material of surface layer 620 that permeates water, and pervious concrete is the aggregate and mixes and forms, and the volume is stable after pouring, can prevent to release heat in hydration process and lead to the surface layer to take place the expansion shrinkage and produce the crackle like cement binding material, and pervious concrete is as surface layer 620 that permeates water, and its water permeability is better, has accelerated the efficiency of the drainage that permeates water, and the roofing plane does not have the ponding when guaranteeing rainy day, and pervious concrete is wear-resisting in addition, and its colour is customizable, can lay the surface layer 620 that permeates water of different colours, decorative pattern, pattern according to the design requirement, beautifies roofing outward appearance.

Preferably, the planting layer 610 soil of the embodiment is prepared by mixing the rotten leaf quality and the construction waste regeneration material, the vegetation is herbaceous vegetation with strong stress resistance, the vegetation is simple to maintain, frequent watering maintenance is not needed, the planting layer is more suitable for arid regions with little water, the weight is light, and the roof load can be reduced. The construction waste regeneration material is a material recovered from construction waste, is more green and environment-friendly, has the diameter of less than 10mm, has the volume ratio of the leaf rotting matter to the construction waste regeneration material of 1:4, has the volume ratio of the particles to the powder of more than 1/2, belongs to an inorganic material, and has better water retention and air permeability and loose and air permeability compared with the existing single construction waste regeneration material or organic soil, and the soil has acid-base buffering capacity and nutrition required by plant growth and is more beneficial to plant growth; because the soil water retention capacity of planting layer 610 is good, and set up the drain bar 540 that has certain retaining capacity, consequently soil thickness is thinner than current roofing structure, and in this embodiment, the thickness of soil can only be 5 ~ 10cm, has further reduced the roofing load.

Claims (10)

1. A permeable waterproof integrated roof structure, which is characterized by comprising a roof base layer and a parapet wall, the inner side of the parapet wall is provided with a brick retaining wall, waterproof layers are arranged between the parapet wall and the brick retaining wall and on the surface of the roof base layer, the periphery of the roof base layer at the inner side of the brick retaining wall is provided with a first drainage channel which surrounds the roof base layer into a water permeable and waterproof area, the surface of the waterproof layer in the water permeable and waterproof area is provided with a drainage layer, a plurality of second drainage grooves are arranged above the drainage layer, the first drainage grooves and the second drainage grooves are mutually connected through connecting pipes, a filter layer is arranged above the second water drainage groove, planting layers and water permeable surface layers are arranged on the surfaces of the water drainage layer and the filter layer at intervals, the inboard roofing basic unit of brick barricade still sets up the outlet, the outlet with the connection pipe connection of water drainage tank.

2. The water-permeable and waterproof integrated roof structure according to claim 1, wherein the first and second drainage grooves cooperate to form a "grid" type structure, dividing the water-permeable and waterproof area into a plurality of water-permeable and waterproof zones, the planting layer is disposed above the first drainage groove and above the filter layer, and the water-permeable surface layer is disposed above the drainage layer of the water-permeable and waterproof zone.

3. The water-permeable and waterproof integrated roof structure according to claim 2, wherein the width of the planting layer is larger than the width of the first and second drainage grooves, and the width of the filtering layer is larger than the width of the planting layer, so that the joint of the planting layer and the water-permeable surface layer is positioned above the filtering layer.

4. The water-permeable and waterproof integrated roof structure according to claim 1, wherein the waterproof layer comprises a root-piercing-resistant polymer waterproof roll and a strong cross-membrane polymer waterproof roll which are stacked in sequence from bottom to top.

5. The water-permeable and waterproof integrated roof structure according to claim 1, further comprising additional waterproof layers disposed between the parapet wall and the waterproof layer, between the inside of the drainage opening and the waterproof layer, and between the roof substrate around the drainage opening and the waterproof layer.

6. The water-permeable waterproof integrated roof structure according to claim 1, wherein the drainage layer is a high density polyethylene drainage plate, the upper surface of the drainage plate is covered with geotextile, the drainage plate is provided with a plurality of bosses, the top surfaces of the bosses are connected with the waterproof layer, and the geotextile covers one side of the bottom surfaces of the bosses.

7. The water-permeable and waterproof integrated roof structure according to claim 1, wherein a drainage groove cushion layer is arranged below the first drainage groove, so that the first drainage groove and the second drainage groove are positioned at the same height.

8. The water-permeable and waterproof integrated roof structure according to claim 1, wherein the filter layer is geotextile.

9. The water-permeable and waterproof integrated roof structure according to claim 1, wherein a siphon rain scoop is provided at the drain outlet, and a blade stopper is further provided above the siphon rain scoop.

10. The water-permeable and waterproof integrated roof structure according to claim 1, wherein the material of the water-permeable surface layer is water-permeable concrete.

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