CN115918402A - Assembly type roof greening structure and construction method thereof - Google Patents

Abstract

The invention provides a prefabricated roof greening structure, which can solve the existing problems of erecting earth-building frame bodies on building roofs which are not conducive to popularization due to complex structure, high cost and heavy load on the roof. It includes a roof truss with a sloping surface arranged on the main body of the building, a roof panel arranged on the sloping surface of the roof truss, and a tank for cultivating plants. The tank is installed on the roof panel, and the roof panel There are grooves that extend linearly along the slope direction of the slope surface at intervals. On the roof panel, a convex surface is formed between adjacent grooves. The bottom of the tank is provided with ventilation and drainage holes, and each groove is provided with a groove. and the ventilation drainage hole at the bottom of the tank is connected with the groove, and the foaming aerated strips are embedded on the roof panel and between two adjacent tanks, and the foamed aerated strips are A water spraying device is provided; the roof greening structure of the present invention is simple in structure, low in construction difficulty and small in roof load, and is favorable for popularization and application.

Description

A prefabricated green roof structure and construction method thereof

technical field

The invention relates to the field of building structures, in particular to the field of roof greening structures, in particular to an assembled roof greening structure and a construction method thereof.

Background technique

Most of the existing roof greening functions are realized by erecting earth-building frame bodies on building roofs and planting plants in the earth-building frame bodies. For example, the Chinese invention patent with the notification number CN104365398B discloses a roof greening frame body, which includes an elevated planting base directly placed on the roof, and a planting insulation layer for planting plants is installed on the elevated planting base. The water spraying system is used to spray water to the plants planted on the planting insulation layer, wherein the elevated planting base has a shelf frame with an upper frame and a lower frame, and at the same time, the upper frame is installed for drainage and has several drainage mesh drainage The lower frame is equipped with an anti-seepage laminate to prevent water from penetrating into the roof; the green roof frame body can collect and quickly discharge accumulated water, which is convenient for greening and planting, and will not cause plants to wither, and can also prevent accumulated water The leakage of water on the roof surface avoids the damage caused by water seepage to the roof, and the roof surface has a good thermal insulation effect; however, the existing roof earth-building frame has the problems of many materials, many additional components, high welding standards, and complicated construction. , which also leads to the problems of high overall manpower and high cost in its construction, and it still has the problem of large roof load caused by the large amount of greening soil, so it is difficult to popularize the existing roof soil frame body, which is not conducive to Implementation of the current popularization of green roofs.

Contents of the invention

In view of the above problems, the present invention provides a prefabricated roof greening structure, which can solve the problems of complex structure, high cost, and heavy load on the roof caused by erecting an earthen frame body on the roof of a building to realize the roof greening function. It is not conducive to popularization; therefore, the present invention also provides a corresponding construction method.

The technical solution is a prefabricated green roof structure, which includes a roof truss with a sloping surface arranged on the main body of the building, a roof panel arranged on the sloping surface of the roof truss, and a groove for cultivating plants The barrel is characterized in that: the tank is installed on the roof panel, the roof panel is provided with grooves extending linearly along the slope direction of the slope surface at intervals, and the adjacent grooves on the roof panel A convex surface is formed between the grooves, and the bottom of the grooves is provided with ventilation and drainage holes, and each groove is provided with a groove, and the ventilation and drainage holes at the bottom of the grooves are connected with the groove, and the roof panel A foaming aerated strip block is embedded on and between two adjacent tanks, and a water spray device is arranged on the foamed aerated strip block.

Further, the roof panel is composed of a number of roof panel units spliced vertically and horizontally in the plane of the slope surface of the roof truss; the roof panel unit includes a convex plate part and a concave plate part, and the convex plate part and the concave plate The parts are connected into one body through the connecting part, the convex plate part is provided with a lower flange part, and the concave plate part is provided with an upper flange part, and the connecting part, the concave plate part and the upper flange part are in turn Enclosed to form a groove unit, the lower flange part, convex plate part, and connecting part are enclosed in turn to form a convex surface unit; among the two longitudinally adjacent roof panel units in the plane of the slope surface of the roof truss, one of the upper The hem part is spliced and connected with the lower hem part of the other piece; the lateral end faces of two laterally adjacent roof panel units are abutted so that the groove unit penetrates and the convex unit joins to form the convex surface.

Furthermore, among the two longitudinally adjacent roof panel units in the plane of the slope surface of the roof truss, the upper flanging part of one of them is combined with the lower flanging part of the other and is fastened and connected by bolts and nuts; The lateral end faces of the two roof panel units are connected by the bottom connecting plate after they are joined, and the concave plates of the two roof panel units are respectively connected with the bottom connecting plate by bolts and nuts.

Further preferably, the roof truss includes horizontal beams, inclined beams, and inclined beam supports, and the inclined beams are angularly installed on the horizontal beams through the inclined beam supports, and stringers extending longitudinally are arranged at intervals on the inclined beams , the concave part of the roof panel unit is fastened to the stringer by bolts and nuts.

Even more preferably, the concave part, the lower hem part and the upper hem part of the roof panel unit are all coated with a polymer waterproof layer.

Further, the tank includes a bucket bottom plate and side wall plates enclosed and installed around the bottom plate of the bucket, the bottom plate of the bucket and the side wall plates around the sides form a hollow cavity for containing soil and planting plants, the There are several ventilation and drainage holes on the bottom plate of the barrel.

Furthermore, the bottom of the barrel is rectangular, the width of the bottom of the barrel is greater than the width of the concave part of the roof panel unit, the barrel is supported by the convex surfaces on both sides of the groove below it, and the barrel The bottom plate and the convex surface are fastened by bolts and nuts.

Furthermore, inner cavity wall insulation boards are fixedly installed on the inner side walls of the side wall panels located at both ends of the longitudinal direction of the tank.

Furthermore, the top ends of the side wall panels located at both longitudinal ends of the tank have outer flanges that are folded outwards, and the height of the soil filled in the tank is not lower than the outer flanges. .

Furthermore, the side wall plates at both ends of the tank are provided with seventh threaded holes, and two horizontally adjacent tanks can be tightened by using bolts and nuts through the corresponding seventh threaded holes. connection, and the seventh threaded hole may also be used to pass through the sensor signal lines for installing soil humidity and temperature in the test tank.

Further, the foamed aerated bar has a U-shaped groove extending linearly along the slope direction of the slope surface, and the water spray device is arranged in the U-shaped groove; the water spray device includes The water spray main pipe that is arranged at the bottom of the groove, the water spray main pipe is connected with a water distribution pipe, and the pipe end of the water distribution pipe is provided with a nozzle.

Furthermore, the surface of the U-shaped groove of the foamed aerated strip is coated with a waterproof layer.

The construction method of a prefabricated roof greening structure of the present invention is characterized in that it comprises the following steps,

Assemble horizontal beams, inclined beams, inclined beam supports and stringers to form a roof truss with a sloped surface;

Install a number of roof panel units on the stringers of the roof truss, and fasten and connect two adjacent roof panel units at the longitudinal and transverse ends, so that several roof panel units cover the entire roof truss and form gaps along the roof truss at intervals. The slope direction of the slope-shaped surface is a groove extending linearly, and a convex surface is formed between adjacent grooves;

Foaming aerated strips are arranged on each convex surface, and tanks are installed on each groove, so that a foaming rack air strip is embedded between two vertically adjacent grooves;

Water spraying devices are installed in the U-shaped grooves of each foaming aerated bar block.

Further, when a number of roof panel units are installed on the stringers of the roof truss, and two adjacent roof panel units at the longitudinal end and transverse end are respectively fastened and connected, the concave part and the lower fold of each roof panel unit The edge and upper hem are sprayed with a polymer waterproof layer.

Further, before the foamed aerated strips are installed on each convex, a polymer waterproof layer is first sprayed on the surface of the U-shaped groove of each foamed aerated strip.

The beneficial effect of the present invention is: it forms grooves extending linearly along the slope direction of the slope surface at intervals on the roof panel, and thus forms a convex surface on the roof panel and between adjacent grooves, which will be used for The tanks for cultivating plants are directly installed on the grooves of the roof panels, and at the same time, light-weight foamed aerated strips are set on the convex surface, so that on the one hand, the entire roof greening structure can be greatly simplified and construction difficulty is reduced. On the other hand, It can effectively reduce the roof load, so the overall cost is low, and it is beneficial to popularization and promotion.

Description of drawings

Fig. 1 is a partial three-dimensional schematic diagram of an assembled roof greening structure of the present invention;

Fig. 2 is a three-dimensional schematic diagram of a roof panel unit in the present invention;

Fig. 3 is the schematic structural view of the longitudinal splicing and connection of the roof panel unit in the plane of the slope surface of the roof truss in the present invention;

Fig. 4 is the schematic diagram of the three-dimensional structure of the vat in the present invention;

Fig. 5 is the three-dimensional structure schematic diagram of the vat that is provided with inner cavity wall insulation board in the present invention;

Fig. 6 is a schematic diagram of the roof panel unit splicing longitudinally in the plane of the slope surface of the roof truss in the present invention, assembling the foaming aerated strip block and the corresponding water spraying device.

Reference signs:

10-roof truss, 11-horizontal beam, 12-slanted beam, 13-slanted beam support, 14-stringer;

20-roof panel, 20'-roof panel unit, 21-groove, 21'-trough unit, 22-convex, 22'-convex unit, 23-convex part, 24-concave part, 241-third Threaded hole, 242-the fourth threaded hole, 25-connecting portion, 26-the lower flange, 261-the second threaded hole, 27-the upper flange, 271-the first threaded hole;

30-tank, 31-ventilating drainage hole, 32-bottom plate, 321-fifth threaded hole, 33a-side wall plate, 33b-side wall plate, 34-hollow inner cavity, 35-inner cavity wall insulation board, 36 -the sixth threaded hole, 37-the seventh threaded hole, 38-outer flange;

40-foaming aerated strip block, 41-U-shaped groove;

50-water spraying device, 51-water spraying main pipe, 52-water distribution pipe, 53-tee joint, 54-tee interface.

Detailed ways

See Fig. 1, a kind of prefabricated green roof structure of the present invention, it comprises and is located on the building main body and has the roof truss 10 of sloping surface, is arranged on the roof panel 20 on the sloping surface of roof truss 10, and is used for embedding soil The tank 30 for planting plants; the tank 30 is installed on the roof panel 20, and the roof panel 20 is provided with grooves 21 extending linearly along the slope direction of the slope surface at intervals, and on the roof panel 20, between adjacent grooves Convex surface 22 is formed between them, the bottom of tank 30 is provided with ventilating drain hole 31, and each groove 21 is all provided with a tank 30 and the ventilating drain hole 31 at the bottom of this tank 30 is connected with this groove 21, thereby groove The remaining water that cannot be absorbed by the soil-cultivating plants in the barrel can directly flow into the lower groove through the drainage and ventilation holes, and drain away from the roof along the groove with a slope. The roof panel 20 is embedded between two adjacent groove barrels 30 There is a foaming aerated bar block 40, and a water spray device 50 is arranged on the foamed aerated bar block 40.

Among them, the roof panel 20 is composed of several roof panel units 20' spliced vertically and horizontally in the plane of the slope surface of the roof truss; The plate parts 24 are connected into one body through the connecting part 25, the convex plate part 23 is provided with a lower flange part 26, the concave plate part 24 is provided with an upper flange part 27, the connecting part 25, the concave plate part 24, the upper fold The edge part 27 encloses in turn to form a groove unit 21', and the lower flange part 26, the convex plate part 23, and the connecting part 25 enclose in turn to form a convex surface unit 22'; Panel unit, see Fig. 3, Fig. 3 shows the situation that three roof panel units 20'a, 20'b, 20'c are spliced vertically adjacently, wherein the upper flange part 27a of the roof panel unit 20'a is connected with the roof panel The lower flange part 26b of the unit 20'b is spliced and connected and fixed by bolts and nuts between the two, and the upper flange part 27b of the roof panel unit 20'b is spliced and connected with the lower flange part 26c of the roof panel unit 20'c. The two are fixed by bolts and nuts; the horizontally adjacent spliced roof panel units in the plane of the slope surface of the roof truss, the lateral end faces of the two adjacent roof panel units are abutted so that the adjoining groove unit 21' penetrates 1. Convex units 22' are joined to form a convex surface. As a preferred technical solution, the lateral end faces of two horizontally adjacent roof panel units are connected by the bottom connecting plate after being connected, and the concave parts of the two roof panel units are respectively connected to the bottom. The plates are fastened and connected by bolts and nuts; in Fig. 3, 23a, 23b, 23c are the convex plate parts of the roof panel units 20'a, 20'b, 20'c respectively, and 24a, 24b, 24c are respectively the roof panel units 20' a, 20'b, 20'c concave plate part, in Fig. 2, the first threaded hole 271 on the upper flange part 27 of the roof panel unit 20', the second threaded hole on the lower flange part 26 261 are respectively used for bolt and nut connection with the roof panel units on the longitudinally adjacent sides; the third threaded holes 241 opened on the two ends of the concave plate part 24 are used for bolt and nut connection with the bottom connecting plate, and are opened in the concave plate part 24. The threaded hole 242 on the part 24 is used for fixing with the roof truss.

In this embodiment, the roof truss 10 includes a horizontal beam 11, a slanted beam 12, and a slanted beam support 13. The slanted beam 12 is installed on the horizontal beam 11 at an angle through the slanted beam support 13. The slanted beam 12 is provided with intervals extending longitudinally. The stringer 14, the concave plate portion 24 of the roof panel unit 20' is fastened to the stringer 14 through the fourth threaded hole 242, bolts and nuts.

In a further preferred technical solution of the present invention, the concave plate portion 24, the lower flange portion 26, and the upper flange portion 27 of the roof panel unit 20' are all coated with a polymer waterproof layer, and the polymer waterproof layer needs to be placed on the roof panel unit 20. The roof panel units that are installed on the stringers 14 of the roof truss and are respectively adjacent to the longitudinal side end and the lateral side end are all assembled and then painted to ensure that the threaded holes used for installation and connection on the roof panel unit 20' The holes and seams are sealed to ensure good waterproof penetration.

As shown in Fig. 4, the tank 30 includes a bucket bottom 31 and side wall panels that are installed on the sides of the bucket bottom 32. The side wall plate 33b at the end, the bucket bottom plate 32 and the side wall panels around the sides form a hollow cavity 34 for containing earth and planting plants, and the center of the bucket bottom plate 32 is provided with some ventilating drainage holes 31.

In this embodiment, the bucket bottom plate 32 is rectangular, and the longitudinal width d of the bucket bottom plate 32 is greater than the longitudinal width D of the concave plate portion 24 of the roof panel unit 20 ′, so that when the tank bucket 30 is installed on the groove 21 of the roof panel 20 1. The tank barrel 30 is supported by the convex surface 22 on both sides of the groove 21 below it, and the barrel bottom plate 32 and the convex surface 22 are fastened by bolts and nuts; in FIG. The fifth threaded hole 321 is connected with the convex surface 22 by bolts and nuts.

In the preferred technical solution of the present invention, the inner side walls of the side wall panels 33b at both ends of the longitudinal direction of the tank 30 are respectively fixed with inner cavity wall insulation panels 35 that can play an effective heat preservation role; in Fig. 4, on the side wall panels 33b There is a sixth threaded hole 36 for bolt fastening connection with the inner cavity wall insulation board 35; a seventh threaded hole 37 for threaded fixed connection between the tanks adjacent to the transverse end is opened on the side wall plate 33a , so as to ensure a reliable and tight connection between the tanks located on each groove 21 of the roof panel 20, and the seventh threaded hole 37 can also be used to pass through the sensor signal lines for detecting soil humidity and temperature.

In a further preferred technical solution of the present invention, the tops of the side wall panels 33b at the two ends of the longitudinal direction of the tank 30 respectively have outer flanges 38 that are folded outwards. Lower than the outer flange portion 38, i.e. the potting should be slightly higher than the depth of the tank 30, so as to avoid the accumulation of water in the bucket caused by the amount of soil in the tank 30 being lower than that of the outer flange portion 38.

In the embodiment of the present invention, the foaming aerated strip block 40 has a U-shaped groove 41 extending linearly along the slope direction of the slope surface, and a water spray device 50 is arranged in the U-shaped groove 41; in this embodiment, the water spray device 50 Including the water spraying main pipe 51 arranged along the bottom of the U-shaped groove 41, see Fig. 6, the water spraying main pipe 51 is connected with a water distribution pipe 52, and the pipe end of the water distribution pipe 52 is provided with a nozzle, wherein the water distribution pipe 52 passes through a three-way joint 53 is connected with the water spray main pipe 51, and the shower head is installed on the end of the water distribution pipe 52 through the three-way interface 54.

In a further preferred technical solution of the present invention, the surface of the U-shaped groove 41 of the foamed aerated strip block 40 is also coated with a polymer waterproof layer to further improve the waterproof penetration effect of the roof.

The present invention also provides a construction method of an assembled roof greening structure, which comprises the following steps:

Assembling horizontal beams 11, inclined beams 12, inclined beam supports 13 and stringers 14 to form a roof truss 10 with a sloped surface;

Install several roof panel units 20' on the stringers 14 of the roof truss 10, and fasten and connect two adjacent roof panel units 20' at the longitudinal end and transverse end, so that the several roof panel units 20' cover the whole The roof truss 10 forms grooves 21 extending linearly along the slope direction of the slope surface of the roof truss 10 at intervals, and a convex surface 22 is formed between adjacent grooves 21;

Foaming aerated strips 40 are arranged on each convex surface 22, and tanks 30 are installed on each groove 21, so that a foaming rack aerated strip is embedded between two vertically adjacent grooves 30 40;

A water spray device 50 is installed in the U-shaped groove 41 of each foamed and aerated strip block 40 .

In the preferred technical solution of the construction method of the present invention, when several roof panel units 20' are installed on the stringers 14 of the roof truss 10, and the two adjacent roof panel units 20' at the longitudinal end and transverse end are respectively fastened and connected, The polymer waterproof layer is sprayed on the concave plate part 24, the lower hem part 26 and the upper hem part 27 of each roof panel unit 20'.

Similarly, before the foamed aerated strips 40 are installed on the respective convex surfaces 22 , a polymer waterproof layer is sprayed on the surface of the U-shaped groove of each foamed aerated strip 40 .

In the actual construction process, the roof panel units 20' can be installed on the stringers 14 sequentially from top to bottom along the slope direction of the slope surface of the roof truss 10, as shown in Figure 1, and each row of roof panel units is installed immediately. Corresponding tanks 30 , foamed and aerated strips 40 are installed on the row roof panel unit, and a water spray device 50 is arranged in the U-shaped groove of the foamed and aerated strips 40 .

The specific implementation of the present invention has been described in detail above, but the content is only a preferred embodiment of the present invention, and cannot be considered as limiting the implementation scope of the present invention. All equal changes and improvements made according to the application scope of the present invention shall still belong to the scope covered by the patent of the present invention.

Claims (15)

1. A prefabricated roof greening structure, which comprises a roof truss that is arranged on the main body of the building and has a sloping surface, a roof panel that is arranged on the sloping surface of the roof truss, and a tank for cultivating plants. It is characterized in that: the tank is installed on the roof panel, the roof panel is provided with grooves extending linearly along the slope direction of the slope surface at intervals, and on the roof panel, between adjacent grooves A convex surface is formed, and the bottom of the tank is provided with ventilation and drainage holes, and a tank is provided on each of the grooves, and the ventilation and drainage holes at the bottom of the tank are connected to the groove, and the roof panel is located on the A foaming aerated bar block is embedded between two adjacent tanks, and a water spray device is arranged on the foamed aerated bar block. 2. A prefabricated roof greening structure according to claim 1, characterized in that: said roof panel is spliced vertically and horizontally by several roof panel units in the plane of the slope surface of the roof truss; said roof panel The unit includes a convex plate portion and a concave plate portion, the convex plate portion and the concave plate portion are connected into one body through a connecting portion, the convex plate portion is provided with a lower flange portion, and the concave plate portion is provided with an upper flange portion Flange part, the connection part, concave plate part, and upper flange part are enclosed in sequence to form a groove unit, and the lower flange part, convex plate part, and connection part are enclosed in turn to form a convex surface unit; on the slope surface of the roof truss Among the two longitudinally adjacent roof panel units in the plane, the upper flange part of one of them is spliced and connected with the lower flange part of the other; the lateral end faces of the two laterally adjacent roof panel units are joined so that the groove unit The through-convex units join to form the convex. 3. A prefabricated green roof structure according to claim 2, characterized in that: among the two roof panel units longitudinally adjacent to each other in the plane of the slope surface of the roof truss, the upper flange part of one of them is connected with the other. The lower flanges of the two roof panels are combined and connected by bolts and nuts; the transverse end faces of two adjacent roof panel units are connected by the bottom connecting plate after being connected, and the concave plates of the two roof panel units are respectively connected to the bottom connecting plate. Bolt and nut tight connection. 4. A prefabricated green roof structure according to claim 3, characterized in that: the roof truss includes horizontal beams, inclined beams, and inclined beam supports, and the inclined beams are installed on the inclined beams at an angle through the inclined beam supports. On the above-mentioned horizontal crossbeam, stringers extending along the longitudinal direction are arranged at intervals on the inclined beam, and the concave plate part of the roof panel unit is fastened to the stringer by bolts and nuts. 5. A prefabricated green roof structure according to claim 3, characterized in that: the concave plate part, the lower hem part and the upper hem part of the roof panel unit are all coated with a polymer waterproof layer. 6. A prefabricated roof greening structure according to claim 2, characterized in that: the tank includes a bucket bottom plate and side wall panels enclosed and installed on the sides of the bucket bottom plate, and the bucket bottom plate and the surrounding sides The side wall panels form a hollow inner cavity for containing soil and planting plants, and a plurality of ventilation and drainage holes are opened on the bottom plate of the bucket. 7. A prefabricated green roof structure according to claim 6, characterized in that: the barrel bottom is rectangular, the width of the barrel bottom is greater than the width of the concave portion of the roof panel unit, and the groove The bucket is supported by the convex surfaces on both sides of the groove below it, and the bottom plate of the bucket and the convex surfaces are fastened by bolts and nuts. 8 . The prefabricated green roof structure according to claim 6 , characterized in that: the inner walls of the side wall panels located at both ends of the longitudinal direction of the tank are respectively fixed with inner cavity wall insulation boards. 9 . 9. A prefabricated green roof structure according to claim 6, characterized in that: the tops of the side wall panels located at both ends of the longitudinal direction of the tank have outer flanges folded outwards respectively, and are filled in The height of the soil in the tank is not lower than the outer flange. 10. A prefabricated green roof structure according to claim 6, characterized in that: the side wall plates located at both lateral ends of the tank are provided with seventh threaded holes, 11. A prefabricated green roof structure according to claim 1, characterized in that: the foamed aerated strip block has a U-shaped groove extending linearly along the slope direction of the slope surface, and the U-shaped groove The water spray device is provided inside; the water spray device includes a water spray main pipe arranged along the bottom of the U-shaped groove, and a water distribution pipe is connected to the water spray main pipe, and a nozzle is provided at the end of the water distribution pipe . 12. A prefabricated green roof structure according to claim 11, characterized in that: the surface of the U-shaped groove of the foamed aerated strip block is coated with a polymer waterproof layer. 13. The construction method of a prefabricated green roof structure according to claim 3, characterized in that it comprises the following steps, Assemble horizontal beams, inclined beams, inclined beam supports and stringers to form a roof truss with a sloped surface; Install a number of roof panel units on the stringers of the roof truss, and fasten and connect two adjacent roof panel units at the longitudinal and transverse ends, so that several roof panel units cover the entire roof truss and form gaps along the roof truss at intervals. The slope direction of the slope-shaped surface is a groove extending linearly, and a convex surface is formed between adjacent grooves; Foaming aerated strips are arranged on each convex surface, and tanks are installed on each groove, so that a foaming rack air strip is embedded between two vertically adjacent grooves; Water spraying devices are installed in the U-shaped grooves of each foaming aerated bar block. 14. The construction method according to claim 13, characterized in that: when several roof panel units are installed on the stringers of the roof truss, and the two adjacent roof panel units at the longitudinal end and transverse end are respectively fastened and connected , Spray the polymer waterproof layer on the concave part, lower hem part and upper hem part of each roof panel unit. 15. The construction method according to claim 13, characterized in that: before the foamed aerated strips are installed on each convex, the polymer waterproof layer is first sprayed on the surface of the U-shaped groove of each foamed aerated strip .

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