CN112431361A

CN112431361A - Roof greening construction method

Info

Publication number: CN112431361A
Application number: CN202011211220.0A
Authority: CN
Inventors: 陈晓慧
Original assignee: Shanghai Pujian Architectural Design Co ltd
Current assignee: Shanghai Pujian Architectural Design Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-03-02

Abstract

The application relates to a roof greening construction method, which comprises the steps of paving a heat insulation board on the top of an original building, cleaning the top surface of the original building before paving the heat insulation board, drying, scraping the top surface of the original building into a rack shape by using a toothed scraper after pasting mortar and uniformly, and pasting the heat insulation board; paving an anti-leakage layer on the heat insulation plate, spraying waterproof paint on the heat insulation plate, and paving an SBS waterproof coiled material; laying a root separating layer on the anti-leakage layer, baking the polyvinyl chloride layer by using a spray gun, and uniformly laying the polyvinyl chloride layer on the anti-leakage layer; paving a waterproof layer on the root separation layer, and paving non-woven fabrics on the root separation layer and fixing the non-woven fabrics on the root separation layer; a water storage structure is arranged on the waterproof layer; a filter layer is laid on the water storage structure; laying a planting layer on the filter layer; planting a vegetation layer on the planting layer; a water storage structure is installed at the top end and the bottom end of the original building. The application has the effect of improving the utilization rate of water.

Description

Roof greening construction method

Technical Field

The application relates to the technical field of roof greening, in particular to a roof greening construction method.

Background

The high roof greening increases the urban green land area and improves the increasingly deteriorated human living environment space; the method improves the stand of urban high-rise buildings and the current situation of natural land and plants which are replaced by hard pavement of a plurality of roads; the damage to human beings caused by excessive cutting down of natural forests, urban heat island effect caused by pollution of various waste gases, sand storm and the like is improved; the method has the advantages of developing the greening space of human beings, building a rural city, improving the living conditions of people, improving the quality of life, beautifying the urban environment and improving the ecological effect.

In the related art, green plants are planted on a roof, the green plants are used for beautifying the environment and purifying air, and when raining, rainwater irrigates the green plants.

In view of the above-mentioned related art, the inventor believes that there is a defect that roof greening cannot collect and treat rainwater on the roof of a building.

Disclosure of Invention

In order to improve the utilization rate of water, the application provides a roof greening construction method.

The application provides a roof greening construction method adopts following technical scheme:

a roof greening construction method comprises the following construction processes: s1, paving an insulation board on the top of the original building, cleaning the top surface of the original building before paving the insulation board, drying, pasting mortar uniformly, scraping the top surface of the original building by using a tooth-shaped scraper into a rack shape, and pasting the insulation board; s2, paving an anti-leakage layer on the heat insulation board, spraying waterproof paint on the heat insulation board, and paving an SBS waterproof coiled material; s3, laying a root separation layer on the anti-leakage layer, baking the polyvinyl chloride layer by using a spray gun, and uniformly laying the polyvinyl chloride layer on the anti-leakage layer; s4, paving a waterproof layer on the root separation layer, and paving non-woven fabrics on the root separation layer and fixing the non-woven fabrics on the root separation layer; s5, installing a water storage structure on the waterproof layer, wherein the water storage structure comprises a water storage tank, a plurality of partition plates, an overflow hole and a plurality of absorbent cotton, the water storage tank is tiled on the surface of the waterproof layer, the partition plates are arranged in the water storage tank at equal intervals, the overflow hole is formed in the top end of each partition plate, and the absorbent cotton is arranged at the partition plates; s6, laying a filter layer on the water storage structure; s7, paving a planting layer on the filter layer; s8, planting a vegetation layer on the planting layer, wherein the water absorption cotton penetrates through the filter layer and the planting layer to be connected with the vegetation layer and is used for conveying water in the water storage structure to the planting layer to supply water to the vegetation layer; and S9, installing a water storage structure at the top and bottom ends of the original building.

By adopting the technical scheme, when raining, the vegetation layer is irrigated by rainwater, redundant rainwater after the vegetation layer is irrigated passes through the planting layer and enters the filter layer after passing through the planting layer, the filter layer filters particle impurities in water, the water flow with the impurities removed enters the water storage structure, and the partition plate in the water storage structure stores the water; when the long-time vegetable layer does not have the rainwater irrigation, the cotton that absorbs water inhales the water of baffle department in the vegetable layer for the vegetable layer is irrigated for the rainwater is by cyclic utilization.

Preferably, the baffle is arranged in an arc, and the opening of the arc faces upwards.

Through adopting above-mentioned technical scheme, the baffle that has certain radian can store more water yield in the baffle of straight, improves the storage capacity to the rainwater.

Preferably, the filter layer consists of an upper pore plate, a plurality of fiber medium layers and a lower pore plate, the lower pore plate is positioned at the top end of the water storage tank, the plurality of fiber medium layers are arranged between the upper pore plate and the lower pore plate, and the upper pore plate is positioned above the plurality of fiber medium layers.

Through adopting above-mentioned technical scheme, go up orifice plate and orifice plate down and be used for filtering the granule of great diameter, multilayer fiber medium layer is used for filtering the granule of less diameter, improves the filter effect of filter layer.

Preferably, the water storage structure includes the aqua storage tank and the sealed lid that is used for sealed aqua storage tank with the reservoir bottom intercommunication, sealed lid is established on the aqua storage tank top, the aqua storage tank is installed in former building top bottom.

Through adopting above-mentioned technical scheme, the aqua storage tank is used for storing the unnecessary water content of catch basin, and sealed lid is used for sealed aqua storage tank, and the setting of sealed lid for reduce volatilizing of aqua storage tank water, the water in the save aqua storage tank as much as possible.

Preferably, the water storage structure is provided with an overflow structure; the overflow structure comprises a limiting column and a limiting groove, the limiting column is arranged at the top end of the side wall of the water storage tank, the limiting groove is formed in the side edge of the sealing cover, and the limiting column is in clearance fit in the limiting groove.

Through adopting above-mentioned technical scheme, when the water in the aqua storage tank was too much, the water in the aqua storage tank will seal the lid and open, and sealed lid removes along the length direction of spacing post, and the water in the aqua storage tank spills over from the aqua storage tank top, and after the water in the aqua storage tank spills over, sealed lid removed along the length direction of spacing post, falls back to the aqua storage tank top.

Preferably, a water inlet structure is arranged on the side wall of the water storage structure; the water inlet structure comprises a water pump, a water feeding pipe and a water inlet pipe, the water pump is installed on the top surface of an original building, the water pump is communicated with the water storage tank through the water inlet pipe, and the water pump is communicated with the top end of the water storage tank through the water feeding pipe.

Through adopting above-mentioned technical scheme, after the water in the retaining structure is consumed, start the inlet structure, the water pump is taken the water in the aqua storage tank out through the inlet tube to carry the water from the aqua storage tank to the retaining structure in through the delivery pipe, and then realize the irrigation to the vegetable layer.

Preferably, the heat insulation board is made of polyurethane foam, and is directly sprayed and molded on the top of an original building to expand liquid.

By adopting the technical scheme, the insulation board made of the polyurethane foam material has the effects of high efficiency, energy conservation, shock resistance and compression resistance.

Preferably, the anti-leakage layer is made of waterproof paint with the thickness of 1.5-2mm, and is paved with SBS waterproof coiled materials.

Through adopting above-mentioned technical scheme, the seepage prevention layer avoids the water seepage in the retaining structure to advance former building top for former building top has better waterproof nature.

Preferably, the planting layer consists of sawdust, vermiculite and soil, and the mass ratio of each cube is as follows: sawdust, vermiculite and soil =1:1, mixing uniformly.

By adopting the technical scheme, the planting layer is made to have lighter weight on the premise of ensuring rich business of the planting layer according to the proportion.

Preferably, the vegetation layer is selected from wind-resistant vegetation, and the height of the vegetation is 20cm-50 cm.

By adopting the technical scheme, because the height of the original building roof is higher, the wind on the original building roof is larger, shorter vegetation is selected, the wind speed is prevented from generating adverse effect on the vegetation layer, and the wind resistance of the vegetation layer is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the design of the water storage structure enables rainwater behind the tank cover to be recovered, and water in the water storage structure is recycled through the water absorption cotton, so that the utilization rate of the rainwater is improved;

2. due to the design of the water storage structure, the storage capacity of rainwater is improved, and the recovery rate of the rainwater is further improved;

3. the design of the water inlet structure enables water in the water storage structure to be added into the water storage structure through the water inlet structure, and the convenience of adding water into the water storage structure is improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is an exploded view of the first embodiment of the present application, which is used for the main structure of the present application.

Fig. 3 is an explosion diagram ii of the embodiment of the present application, which is mainly used for showing a water storage structure and a water inlet structure.

Fig. 4 is a cross-sectional view of an embodiment of the present application.

Fig. 5 is an enlarged view of a portion a in fig. 4.

Description of reference numerals: 1. the top of the original building; 2. a thermal insulation board; 3. an anti-leakage layer; 4. a root-separating layer; 5. a waterproof layer; 6. a water storage structure; 61. a water storage tank; 62. a partition plate; 63. an overflow hole; 64. absorbent cotton; 7. a filter layer; 71. an upper orifice plate; 72. a layer of fibrous media; 73. a lower orifice plate; 8. planting a layer; 9. a vegetable layer; 10. a water storage structure; 101. a water storage tank; 102. a sealing cover; 103. an overflow structure; 1031. a limiting column; 1032. a limiting groove; 11. a water inlet structure; 111. a water pump; 112. a water supply pipe; 113. and (4) a water inlet pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a roof greening construction method. The roof greening construction method comprises the following construction processes:

referring to fig. 1 and 2, S1, lay heated board 2 on former building top 1, the cross sectional shape of former building top 1 is the shape of falling V, both ends homogeneous style connection that falls V-arrangement has the horizontally platform, heated board 2 adopts AD composite insulation board, AD composite insulation board is made by foam glass, the cotton board of glass, the rock wool board, will paste mortar and even back, scrape at former building top 1 surface with the profile of tooth scraper blade, scrape into the rack form, paste heated board 2, heated board 2 is parallel with former building top 1.

Referring to fig. 1 and 2, S2, laying a leakage-proof layer 3 on a thermal insulation board 2, spraying a waterproof coating on the thermal insulation board 2, laying an SBS waterproof roll, wherein the leakage-proof layer 3 is 1.5-2mm thick and is laid with the SBS waterproof roll, the SBS waterproof roll is a reinforcing carrier which skillfully mixes SBS (Styrene-Butadiene-Styrene) rubber modified asphalt waterproof and high quality, the SBS waterproof roll is a curled sheet waterproof roll which is made by using asphalt with Styrene-Butadiene-Styrene (SBS) thermoplastic elastomer as modifier as dipping and coating material and covering the upper surface with polyethylene film, fine sand, mineral sheet (particle) material or isolation material such as aluminum foil and copper foil.

Referring to fig. 2, S3, laying a root-separating layer 4 on the anti-leakage layer 3, baking the polyvinyl chloride layer by a spray gun, uniformly laying the root-separating layer 4 on the anti-leakage layer 3, wherein the root-separating layer 4 is a layer structure made of polyvinyl chloride; when the root isolation layer 4 is laid, the root isolation layer extends 15-20 cm to the side edge of the original building top 1, and the root isolation layer 4 prevents plant roots from penetrating through the waterproof layer to cause failure of a waterproof function and prevents the plant roots from penetrating through a structural layer to cause more serious structural damage.

Referring to fig. 2, S4, paving a waterproof layer 5 on the root-separating layer 4, wherein the waterproof layer 5 is an asphalt waterproof coiled material, dip-coating asphalt with matrix materials such as base paper, fiber fabric, fiber felt, etc., spreading powdery, granular or flaky materials on the surface to prepare a curlable flaky waterproof material, coating 2-3 times, adding glass fiber cloth, and performing the next construction after the solidified material coated each time is not less than 1 mm thick and completely dried (about 5-8 hours). After finishing painting, a mortar protective layer is made on the paint waterproof layer.

Referring to fig. 2, 4 and 5, S5, installing the water storage structure 6 on the waterproof layer 5, the water storage structure 6 includes the catch basin 61, a plurality of baffle 62, the spillway hole 63 and a plurality of cotton 64 that absorbs water, the catch basin 61 tiling is on the waterproof layer 5 surface, a plurality of baffle 62 equidistant setting is in the catch basin 61, the spillway hole 63 is seted up on the baffle 62 top, the cotton 64 that absorbs water sets up in baffle 62 department.

Referring to fig. 2, S6 and the water storage structure 6 are paved with a filter layer 7, the filter layer 7 is composed of an upper orifice plate 71, multiple fiber medium layers 72 and a lower orifice plate 73, the multiple fiber medium layers 72 are adhered between the upper orifice plate 71 and the lower orifice plate 73, the upper orifice plate 71 is fixed on the upper surface of the multiple fiber medium layers 72 by adhesion, the lower orifice plate 73 is fixed on the lower surface of the multiple fiber medium layers 72 by adhesion, the upper orifice plate 71 and the lower orifice plate 73 are rectangular steel plates, and the steel plates are provided with multiple circular holes, and the circular holes on the upper orifice plate 71 and the circular holes on the lower orifice plate 73 are distributed.

Referring to fig. 1 and 2, S7, a planting layer 8 is laid on the filter layer 7, the planting layer 8 is composed of sawdust, vermiculite and soil, and the ratio of sawdust, vermiculite and soil =1:1, mixing uniformly.

Referring to fig. 1 and 2, S8, planting a vegetation layer 9 on the planting layer 8, and selecting wind-resistant vegetation for the vegetation layer 9 during selection, wherein the height of the vegetation is 20cm-50cm, so that the influence on the vegetation production caused by the high height of the original building roof 1 is avoided. The water absorption cotton 64 penetrates through the filter layer 7 and the planting layer 8 and is connected with the vegetation layer 9 for conveying water in the water storage structure 6 to the planting layer 8 to supply water to the vegetation layer 9.

Referring to fig. 1 and 2, when raining, the rainwater firstly waters the vegetation layer 9, and unnecessary rainwater permeates the filter layer 7 through planting layer 8, and the filter layer 7 filters planting layer 8, avoids in sawdust, vermiculite and the soil inflow water storage structure 6, and the rainwater passes filter layer 7 and gets into water storage structure 6, and baffle 62 stores the rainwater, and when the rainwater of baffle 62 was stored fully, the rainwater flowed from the eminence to the low department through spillway hole 63.

Referring to fig. 3, S9, installing the water storage structure 10 at the bottom end of the original building top 1, where the water storage structure 10 includes a water storage tank 101 communicated with the bottom of the water storage tank 61 and a sealing cover 102 for sealing the water storage tank 101, the sealing cover 102 is covered at the top end of the water storage tank 101, and the water storage tank 101 is installed at the bottom end of the original building top 1.

Referring to fig. 3, an overflow structure 103 is disposed on the water storage structure 10; the overflow structure 103 comprises a limiting column 1031 and a limiting groove 1032, the limiting column 1031 is a cylinder, the limiting groove 1032 is a U-shaped groove, the limiting column 1031 is welded at the top end of the side wall of the water storage tank 101, the limiting groove 1032 is arranged on the side edge of the sealing cover 102, and the limiting column 1031 is in clearance fit in the limiting groove 1032.

Referring to fig. 2 and 3, the rainwater from the water storage structure 6 finally flows into the water storage tank 101, the rainwater is stored in the water storage tank 101, when the water in the water storage tank 101 is full, the sealing cover 102 is pushed upwards by the water in the water storage tank 101, the sealing cover 102 moves along the extending direction of the limiting post 1031, so that the water in the water storage tank 101 overflows, and when the water in the water storage tank 101 goes down, the sealing cover 102 falls on the water storage tank 101, and the sealing cover 102 continues to seal the water storage tank 101.

Referring to fig. 2 and 3, a water inlet structure 11 is mounted on the side wall of the water storage structure 10; the water inlet structure 11 comprises a water pump 111, a water supply pipe 112 and a water inlet pipe 113, the water pump 111 is installed on the surface of the original building roof 1, the water pump 111 is communicated with the water storage tank 101 through the water inlet pipe 113, and the water pump 111 is communicated with the top end of the water storage tank 61 through the water supply pipe 112.

The implementation principle of the roof greening construction method provided by the embodiment of the application is as follows: when raining, the rainwater waters vegetable layer 9, and unnecessary rainwater filters planting layer 8 through planting layer 8 infiltration filter layer 7, and filter layer 7 filters planting layer 8, and the rainwater passes filter layer 7 and gets into retaining structure 6, and baffle 62 stores the rainwater, and when the rainwater of baffle 62 was stored fully, the rainwater passed through spillway hole 63 and followed eminence to low flowing.

When the water is dry, the water pump 111 pumps the water in the water storage tank 101 through the water inlet pipe 113, then the water is conveyed to the water storage tank 61 through the water conveying pipe 112, and the water in the water storage tank 61 is conveyed to the planting layer 8 through the water absorption cotton 64, so that the planting layer 9 is irrigated.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A roof greening construction method is characterized in that: the construction process comprises the following steps:

s1, paving the heat insulation board (2) on the original building roof (1), cleaning the surface of the original building roof (1) before paving the heat insulation board (2), drying, pasting mortar uniformly, scraping the surface of the original building roof (1) by using a toothed scraper into a rack shape, and pasting the heat insulation board (2);

s2, paving the anti-leakage layer (3) on the heat insulation board (2), spraying waterproof paint on the heat insulation board (2), and paving the SBS waterproof coiled material;

s3, laying a root separation layer (4) on the anti-leakage layer (3), baking the polyvinyl chloride layer by using a spray gun, and uniformly laying the polyvinyl chloride layer on the anti-leakage layer (3);

s4, paving a waterproof layer (5) on the root isolating layer (4), and paving non-woven fabric on the root isolating layer (4) and fixing the non-woven fabric on the root isolating layer (4);

s5, installing a water storage structure (6) on a waterproof layer (5), wherein the water storage structure (6) comprises a water storage tank (61), a plurality of partition plates (62), overflow holes (63) and a plurality of absorbent cotton (64), the water storage tank (61) is tiled on the surface of the waterproof layer (5), the partition plates (62) are arranged in the water storage tank (61) at equal intervals, the overflow holes (63) are formed in the top ends of the partition plates (62), and the absorbent cotton (64) is arranged on the partition plates (62);

s6, laying a filter layer (7) on the water storage structure (6);

s7, paving a planting layer (8) on the filter layer (7);

s8, planting a vegetation layer (9) on the planting layer (8), wherein the water absorption cotton (64) penetrates through the filter layer (7) and the planting layer (8) and is connected with the vegetation layer (9) to be used for conveying water in the water storage structure (6) to the planting layer (8) to supply water to the vegetation layer (9);

s9, installing a water storage structure (10) at the bottom end of the original building roof (1).

2. The roof greening construction method according to claim 1, wherein: the baffle (62) is arranged in an arc, and the opening of the arc faces upwards.

3. The roof greening construction method according to claim 1, wherein: the filter layer (7) is composed of an upper pore plate (71), multiple layers of fiber medium layers (72) and a lower pore plate (73), the lower pore plate (73) is located at the top end of the water storage tank (61), the multiple layers of fiber medium layers (72) are arranged between the upper pore plate (71) and the lower pore plate (73), and the upper pore plate (71) is located above the multiple layers of fiber medium layers (72).

4. The roof greening construction method according to claim 1, wherein: the water storage structure (10) comprises a water storage tank (101) communicated with the bottom of the water storage tank (61) and a sealing cover (102) used for sealing the water storage tank (101), the sealing cover (102) is covered on the top end of the water storage tank (101), and the water storage tank (101) is installed at the bottom end of the top (1) of an original building.

5. The roof greening construction method according to claim 4, wherein: an overflow structure (103) is arranged on the water storage structure (10);

the overflow structure (103) comprises a limiting column (1031) and a limiting groove (1032), the limiting column (1031) is arranged at the top end of the side wall of the water storage tank (101), the limiting groove (1032) is formed in the side edge of the sealing cover (102), and the limiting column (1031) is in clearance fit with the limiting groove (1032).

6. The roof greening construction method according to claim 5, wherein: a water inlet structure (11) is arranged on the side wall of the water storage structure (10);

the water inlet structure (11) comprises a water pump (111), a water feeding pipe (112) and a water inlet pipe (113), the water pump (111) is installed on the surface of the top (1) of the original building, the water pump (111) is communicated with the water storage tank (101) through the water inlet pipe (113), and the water pump (111) is communicated with the top end of the water storage tank (61) through the water feeding pipe (112).

7. The roof greening construction method according to claim 1, wherein: the heat insulation board (2) is made of polyurethane foam, and is directly sprayed and molded on the original building roof (1) to expand liquid.

8. The roof greening construction method according to claim 1, wherein: the anti-leakage layer (3) is made of waterproof paint with the thickness of 1.5-2mm, and is paved with SBS waterproof coiled materials.

9. The roof greening construction method according to claim 1, wherein: the planting layer (8) is composed of sawdust, vermiculite and soil, and the mass ratio of each cube is as follows: sawdust, vermiculite and soil =1:1, mixing uniformly.

10. The roof greening construction method according to claim 1, wherein: the vegetation layer (9) selects wind-resistant vegetation, and the height of the vegetation is 20cm-50 cm.