JP2003174822A - Method for greening rooftop of building, and rooftop structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method for greening a rooftop of a building, capable of being applied to the existing building without requiring the full strength of the building, by which an excellent greened state can be kept for many years, and to provide a rooftop structure. <P>SOLUTION: This method for greening a rooftop of a building enables to green the rooftops, verandas, decks, etc., of various kinds of constructions, and comprises laying a durable waterproof seat composed of a super-durable metal waterproof seat or the like, on the upper side of a rooftop material followed by spraying soil dressing for greening on the upper side of the laid durable waterproof seat to green the rooftop. The soil dressing for greening is sprayed on the upper side of the rooftop material via a water-permeable layer comprising a lightweight soil dressing-maintaining material, a water- permeable member and the like. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rooftop greening method and a rooftop structure for greening rooftops, balconies, decks, etc. of buildings such as factories and general houses (hereinafter collectively referred to as rooftops).

[0002]

2. Description of the Related Art Conventionally, a corrugated steel plate is often used as a rooftop material (roofing material) in buildings such as factories, but the rooftop is generally not greened. Is. However, in recent years, due to environmental problems such as ozone depletion of the atmosphere, a greening movement to plant plants in various places is being developed, and even in this kind of factory, some attempts have been made to green the rooftop. .

When greening the roof of a factory or the like, concrete 52 is struck with a predetermined thickness in a groove 51a on the upper surface of a corrugated steel sheet 51 as a roof material, as shown in FIG. A greening method is adopted in which soil 54 for greening is deposited on the upper surface of the concrete 52 through the peripheral wall plate 53, and a lawn 55 or the like is planted on the soil 54.

[0004]

However, in this greening method, concrete 52 is struck with a predetermined thickness or soil 54 is deposited with a predetermined thickness on the upper surface side of the steel plate 51 forming the rooftop material. Therefore, the building itself needs to have the strength to withstand the weight of the concrete 52 and the soil 54, the constructions that can be constructed are easily limited, and it is necessary to hit the concrete 52 at a relatively high position, which makes the construction extremely difficult. There was a problem that it was troublesome. In particular, in a large factory or the like having a large rooftop, the weight of the concrete 52 and the soil 54 becomes heavy, and the strength of the building itself is further required.

Further, even when the strength of the building is reinforced or the building which originally has sufficient strength is greened, the lawn 55 is directly planted on the upper surface of the concrete 52 through the soil 54, so that many years have passed. If you do, the roots of the lawn 55
Surely prevent the lawn root tension (entry), such as entering the factory through the joints of the steel plates 51 or entering the cracks in the concrete 52 or the gap between the steel plate 51 and the peripheral wall plate 53 that covers the soil 54. it can not, there is a problem that many years Wataru Ri stable and good greening state is difficult to obtain points.

The present invention has been made in view of such circumstances, and an object of the invention of claim 1 or 2 is to easily construct an existing building without requiring sufficient strength for the building. together may, to provide a green roof construction method of a building to obtain aim to improve the cooling efficiency in the years Wataru Ri good greening state is obtained and buildings. Another object of the invention of claim 3 and 4, wherein, together with readily construction in existing buildings without the need for sufficient strength building, good greening state Ri Wataru the years to obtain and An object is to provide a rooftop structure of a building that can improve the efficiency of air conditioning in the building.
The object of the invention of claim 5 is, in addition to the objects of the inventions of claims 3 and 4, that the life of the rooftop structure can be extended and the rooftop structure of a building that can easily correspond to various buildings. To provide the body.

[0007]

In order to achieve the above object, the invention according to claim 1 and 2 of the present invention is a rooftop greening method for greening a rooftop made of corrugated steel plates of various buildings, While accommodating and disposing the soil retaining material in the groove on the upper surface side of the corrugated steel sheet, a durable waterproof sheet is laid between the soil retaining material and the upper surface of the corrugated steel sheet or on the soil retaining material. It is characterized in that a roof made of corrugated steel sheet is formed into a substantially flat shape, and then the green roof is sprayed on the substantially flat surface to green the roof. In addition, claims 1 and 2
The described invention is characterized in that the greening soil is sprayed onto the upper surface of the water-permeable member laid on the substantially flat surface.

With this structure, when the rooftop of a building is to be greened, the soil retaining material is housed in the groove on the upper surface side of the corrugated steel sheet through, for example, a durable waterproof sheet, and the rooftop is accommodated. The upper surface is formed into a substantially flat shape, and the vegetated soil mixed with grass seeds is sprayed onto the substantially flat surface. As a result, the rooftop is greened by the durable waterproof sheet and the greening soil and the soil retaining material, etc., and the weight of the roof becomes lighter, and the existing building does not require sufficient strength. and it is possible also easily construction, durable tarpaulin enters the like into the roof material direction grass roots is reliably prevented by good greening state is obtained Ri Wataru the years, and in buildings by soil dressing holding material The air conditioning efficiency of can be improved. In particular, claim 1
And as in the invention described 2, if Fukitsukere greening soil dressing on the upper surface of the water-permeable members, drainage greening soil dressing is improved, good greening state Ri Wataru more years obtained.

Further, the invention according to claims 3 and 4 is a durable waterproof sheet laid on the upper surface side of a roofing material made of corrugated steel plate of a building, and a greening customer sprayed on the upper surface side of the durable waterproof sheet. It is housed in the soil and between the durable waterproof sheet and the greening soil in the groove on the upper surface side of the rooftop material or between the durable waterproofing sheet and the upper surface of the rooftop material to hold the greening soil in place. It is characterized by comprising a lightweight soil support material.

According to this structure, the thin durable waterproof sheet and the greened soil sprayed on the thin waterproof sheet are provided between the durable waterproof sheet and the greened soil or between the durable waterproof sheet and the upper surface of the rooftop. Since the rooftop structure is composed of a lightweight soil retaining material that holds the greened soil in place, the weight added to the roof due to the greening is extremely light, and the building does not require sufficient strength. Construction can be performed easily even on existing buildings, and the air-conditioning efficiency inside buildings can be improved by using the soil retaining material. Also, entry into the roof material direction of the root of rainwater or lawn, is reliably prevented by the durable waterproof sheet laid on the upper surface of the roof material, good greening state Ri Wataru the years can be obtained.

Further, the invention according to claim 5 is characterized in that the durable waterproof sheet is formed of a super durable metal waterproof sheet, and the soil retaining material is formed of either a bark material, a foamed plastic material or an air bag. And With such a configuration, it is possible to improve the weather resistance of the durable waterproof sheet itself and prolong the life of the rooftop structure, and it is possible to use a predetermined soil retaining material according to the form of the rooftop material. , It becomes easier to deal with various buildings.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, an example of an embodiment of the present invention will be described in detail with reference to the drawings. 1 and 2 show an embodiment of a roof transverse Concrete body according to a tree invention, Figure perspective of Figure 1 broken part thereof, FIG 2 is an enlarged cross-sectional view.

In the figure, a rooftop structure 1 is, for example, a corrugated steel plate 2 (hot dip galvanized steel plate, alloy plated steel plate, etc.) as a rooftop material, and a super durable metal waterproof laid on the upper surface (surface) of the steel plate 2. The sheet 3, the soil retaining material 4 housed in the grooves 2a of the steel plate 2 on the upper surface side of the ultra-durable metal waterproof sheet 3, and the water-permeable member laid on the upper surface of the soil retaining material 4. 5 and the greening soil 6 sprayed on the upper surface of the water permeable member 5.

In the ultra-durable metal waterproof sheet 3, for example, a super weatherproof resin film is integrally joined to the front surface side of a metal foil such as aluminum foil, and an adhesive is integrated to the back surface side of the metal foil via a reinforcing film. Is provided and configured,
The adhesive is laid by being adhered to the surface of the steel plate 2. The soil retaining material 4 is made of, for example, a lightweight bark material, and is simply placed on the upper surface of the ultra-durable metal waterproof sheet 3 to be housed in each groove 2a of the steel plate 2.

The water-permeable member 5 is formed into a thin plate shape by, for example, bark material or fibers of palm, and the soil retaining material 4
It is laid by being placed on almost the entire upper surface of the. The water-permeable member 5 is surrounded by a peripheral wall plate 7 made of L-shaped steel or the like.
Of the two, which are arranged at positions orthogonal to the grooves 2a of the steel plate 2
A triangular anti-slip plate 8 is fixed to the peripheral wall plate 7 (only one peripheral wall plate 7 is shown in FIG. 1) in a state of protruding downward. The peripheral wall plate 7 is fixed to the upper surface of the steel plate 2 in a state in which the anti-slip plate 8 is fitted in each groove 2 a of the steel plate 2.

The greening soil 6 has a predetermined viscosity and fibrous property, and grass seeds are mixed therein,
This green soil 6 is sprayed on the upper surface of the water permeable member 5 with a predetermined thickness. By growing the grass seeds in the greening soil 6, the roof (the upper surface of the steel plate 2) is covered with the lawn 9 and is greened as shown in the figure.

Next, an example of a method of constructing the rooftop structure 1 will be described. First, the ultra-durable metal waterproof sheet 3 is laid on a predetermined portion of the rooftop steel plate 2 to be constructed, and the peripheral wall plate 7 is fixed to the upper surface of the steel plate 2 by, for example, bolts not shown. At this time, the ultra-durable metal waterproof sheet 3 may be simply laid on the entire upper surface of the steel plate 2, or in some cases, as shown in FIG. You may lay it only in the.

When the super-durable metal waterproof sheet 3 is laid and the peripheral wall plate 7 is fixed, the groove 2a of the steel plate 2 inside the peripheral wall plate 7 is fixed.
The soil retaining material 4 is accommodated therein, and the water permeable member 5 is laid on the upper surface of this soil retaining material 4 with its upper surface substantially flat. Then, the greening soil 6 is sprayed on the upper surface of the water-permeable member 5 to a predetermined thickness by using a spraying machine (not shown), thereby completing the construction.

As described above, according to the rooftop structure 1 of the above embodiment, the super durable metal waterproof sheet 3 is laid on the upper surface of the steel plate 2 forming the roof material, and the bark is placed on the upper surface of the super durable metal waterproof sheet 3. While laying the soil retaining material 4 made of wood,
Since the water-permeable member 5 is laid on the upper surface of the soil-holding material 4, and the green soil 6 is sprayed on the upper surface of the water-permeable member 5, an extremely thin ultra-durable metal waterproof sheet 3; The weight of the rooftop structure 1 can be reduced by using the soil-holding material 4 and the water-permeable member C that are extremely light in weight. As a result, conventional concrete 5
Compared with the case of using 2, the weight of the rooftop structure 1 itself can be significantly reduced, and even an existing building can be easily dealt with without reinforcing the strength or the like. .

Further, by laying a super durable metal waterproof sheet 3,
Since the construction can be performed simply by laying the soil retaining material 4 and the water permeable member 5 on the super durable metal waterproof sheet 3 and spraying the green soil 6 on the water permeable member 5, the construction work is extremely easy. It can be performed, and it is possible to significantly reduce the construction cost as compared with the conventional construction method.

Further, as the durable waterproof sheet, a super durable metal waterproof sheet 3 which is capable of semi-permanently obtaining strength and waterproofness is used, and the super durable metal waterproof sheet 3 is laid by adhering it to the upper surface of the steel plate 2. Therefore, the turf root tension is reliably prevented by the ultra-durable metal waterproof sheet 3, and the turf root does not enter the interior of the building or the like through the joints of the steel plates 2.

The super durable metal waterproof sheet 3 is attached to the peripheral wall plate 7.
If it is bent and laid on the inner surface of the wall, the entry of grass roots from the boundary between the peripheral wall plate 7 and the steel plate 2 is surely blocked, and the anti-slip plate 8 provided on the peripheral wall plate 7 makes the peripheral wall plate 7 a steel plate. It is securely fixed to the upper surface of 2, and the non-slip plate 8 also prevents the grass roots from advancing to the outside.
Gone is that the roots of grass protrude to the outside from the rooftop should be greening, it is possible to obtain a good greening state I Wataru the years.

The super-durable metal waterproof sheet 3 laid on the upper surface of the steel plate 2 has a heat insulating effect, and the soil-holding material 4 and the water-permeable material laid on the super-durable metal waterproof sheet 3 are provided. The member 5 also has a heat insulating effect, and the air conditioning efficiency in a building such as a factory can be significantly increased. Furthermore, by providing the soil dressing holding member 4 and the water-permeable member 5, so water flow such as rainwater is good, it is possible to maintain I Wataru good greening state more years.

[0024] Figures 3 and 4 are sectional views respectively showing another embodiment of a roof structure according to the present invention. Hereinafter, the same parts as those in the above-described embodiment will be described with the same reference numerals. First, in the rooftop structure 1 shown in FIG. 3, the positional relationship between the ultra-durable metal waterproof sheet 3 and the soil-holding material 4 in the above embodiment is turned upside down, and the bark material is preliminarily set in each groove 2a of the steel plate 2. A material for holding soil material 4 consisting of is housed, a super-durable metal waterproof sheet 3 is laid on the soil-material holding material 4, and a water-permeable member 5 is laid on the super durable metal waterproof sheet 3. Is.

Also in the rooftop structure 1 of this embodiment, the ultra-durable metal waterproof sheet 3 surely blocks the entry of rainwater or the roots of the grass, and the same effects as those of the above-mentioned embodiment can be obtained. For example, the adhesive effect of the ultra-durable metal waterproof sheet 3 is not required, and the laying operation can be facilitated.

The rooftop structure 1 shown in FIG. 4 is characterized in that an air bag 10 is used as the soil retaining material 4 instead of the bark material. That is, the groove 2a of the steel plate 2
The air bags 10 are accommodated and arranged therein, and the ultra-durable metal waterproof sheet 3 is laid on the air bags 10.
Also in the rooftop structure 1 of this embodiment, in addition to the same effects as those of the above-described embodiment, the weight of the rooftop structure 1 can be further reduced by using the air bag 10, and a wider range of construction can be achieved. The effect that it can be applied to objects can be obtained.

Although the air bag 10 is used in this embodiment, for example, a foamed plastic material may be used instead of the air bag 10, and an ultra-durable metal may be used on the air bag 10 or the foamed plastic material. Not limited to the structure in which the waterproof sheet 3 is laid, as shown in FIGS. 1 and 2, the air bag 10 and the foamed plastic material are housed and arranged in each groove 2a of the steel plate 2 on which the super durable metal waterproof sheet 3 is laid. Alternatively, the water permeable member 5 may be laid on the water permeable member 5.

It should be noted, durable waterproof sheet according to the present invention using ultra-durable metal tarpaulins neither 3 limited to, for example, durable tarpaulin given structure with building comparable durability of Examples can do. Further, the roof in the present invention is not limited to the roof of the roof of the building, and includes, for example, a portion of the building such as a veranda or deck provided on the middle floor of the building outside the building. Is. Further, in each of the above-mentioned embodiments, the case where the roof is generally flat as a whole has been described as an example, but since the present invention employs the method of spraying the vegetation soil 6, it can be used for roofs that are slightly inclined. Can also be applied.

In the above embodiment, the case where both the soil retaining material 4 and the water permeable member 5 are laid has been described, but by providing the soil retaining material 4 with the function of the water permeable member 5, for example. The water-permeable member 5 may be eliminated, and the greening soil 6 is not limited to the seeds of turf mixed in advance, and turf or other seeds or seedlings may be planted later. Furthermore, in the above embodiment, the form of the roof material such as the shape of the steel plate 2, a structure or the like is also an example of a soil dressing holding member 4 and the water-permeable member 5, without departing from the gist of the invention according to the present invention range It goes without saying that various changes can be made in.

[0030]

As described in detail above, the invention according to claim 1 or 2
According to the described invention, since the rooftop is greened by the durable waterproof sheet and the green soil and the soil retaining material housed in the groove of the corrugated steel plate, the weight is light and sufficient for the building. strength with easily construction in existing buildings without the need for the approach or the like of the roof material direction of the root of the grass is reliably prevented by durable waterproof sheet, to obtain a good greening state Ri Wataru the years In addition, it is possible to improve the air conditioning efficiency in the building by the soil retaining material. In particular, when the greening soil is sprayed on the upper surface of the water-permeable member as in the inventions according to claims 1 and 2, drainage of the greening soil becomes good,
It is possible to obtain a good greening state Ri Wataru more years.

According to the third and fourth aspects of the present invention, the rooftop structure is composed of the thin durable waterproof sheet, the greened soil sprayed on the waterproof sheet, and the soil retaining material for holding the soil in a predetermined position. Since it is configured, the weight added to the roof due to greening is extremely light, construction can be easily performed on existing buildings without requiring sufficient strength for buildings, and rainwater and grass roots Entry into the rooftop material direction is reliably blocked by the durable waterproof sheet laid on the top side of the rooftop material,
Ri Wataru the years can obtain good greening state, and it is possible to improve the cooling efficiency in buildings by soil dressing holding material.

According to the invention of claim e, in addition to the effects of the inventions of claims 3 and 4, the weather resistance of the durable waterproof sheet itself can be improved to prolong the life of the rooftop structure. In addition to that, a predetermined soil retaining material can be used according to the form of the rooftop material, and it is possible to more easily deal with various buildings.

[Brief description of drawings]

FIG. 1 is a perspective view of a partially cutaway rooftop horizontal structure of a building according to a third embodiment of the present invention.

FIG. 2 is a cross-sectional view of a rooftop horizontal structure of the building.

FIG. 3 is a cross-sectional view of a rooftop structure of a building that constitutes a fourth embodiment of the present invention.

FIG. 4 is a cross-sectional view of a rooftop structure of a building that constitutes a fifth embodiment of the present invention.

FIG. 5 is a cross-sectional view showing an example of a conventional rooftop structure.

[Explanation of symbols]

1 Rooftop Structure 2 Corrugated Steel Plate 2a Groove 3 Durable Waterproof Sheet (or Super Durable Metal Waterproof Sheet) 4 Soil Support Material 5 Water Permeable Member 6 Greening Soil Layer 7 Non-slip Peripheral Wall Plate 7 ' 8 Anti-slip plate 9 Lawn 10 Air bag

Claims (5)

[Claims] 1. A waveform of steel roof for greening of buildings used for roof material composed of (2), a building rooftop greening method, moreover, the upper Symbol corrugated steel of (2) A step of laying a durable waterproof sheet (3) along both side surfaces and bottom surface of each groove (2a) and an upper surface between the grooves (2a) to form a large number of waterproof sheets and a large number of waterproof sheet upper surfaces; , A number of anti-slip plates in the shape of an inverted triangle that are separated from each other (8)
The non-slip plate (8) is fixed so that it surrounds the whole or a main part of the durable waterproof sheet (3). A step of fixing the corrugated steel sheet (2) to the corrugated steel sheet (2) directly or via a durable waterproof sheet (3) in a state of being fitted in the groove portion of the waterproof sheet; ) According to the longitudinal direction of the outermost upper surface of the corrugated steel plate (2) so as to surround all or the main part of the durable waterproof sheet (3), and the peripheral wall plate with anti-slip plate ( 7) Inside of each of the waterproof sheet grooves, a lightweight soil retaining material (4) is accommodated and arranged, and the upper surface of each of the waterproof sheets and each soil retaining material (4) is disposed.
A step of forming the entire upper surface of the above into a substantially flat surface without steps, a step of laying a water-permeable member (5) over substantially the entire area of the above-mentioned substantially flat surface, and the peripheral wall plate with anti-slip plate (7) ) And the step of forming a greening soil layer (6) by spraying the greening soil on the inner side of the non-slip plate peripheral wall plate (7 ') and on the upper surface of the water-permeable member (5), made, architecture Monoya on greening method. 2. A building rooftop greening method for greening a rooftop of a building in which a rooftop material made of corrugated steel plate (2) is used, and the upper surface of the corrugated steel plate (2). The lightweight soil retaining material (4) is housed and arranged in each groove (2a) on the side, and the entire upper surface between each groove (2a) and each upper surface of each soil retaining material (4) is A step of forming a substantially flat surface without steps, a step of laying a durable waterproof sheet (3) over substantially the entire area of the substantially flat surface, and making the upper surface of the durable waterproof sheet (3) a flat surface. The step of laying the water-permeable member (5) over substantially the entire upper surface of the durable waterproof sheet (3) and a large number of substantially triangular anti-slip plates (8) spaced apart from each other protruded downward. The peripheral wall plate (7) with a non-slip plate that is fixed in such a state that it surrounds the water-permeable member (5),
A step of fixing the anti-slip plate (8) to the corrugated steel plate (2) with the anti-slip plate (8) inserted in the grooves (2a); A step of fixing the water-permeable member (5) so as to surround the water-permeable member (5) according to the longitudinal direction of the upper surface of the outermost end of the corrugated steel plate (2); A step of forming a greening soil layer (6) by spraying the greening soil on the inside of the non-slip plate (7 ') and on the upper surface of the water-permeable member (5); Rooftop greening method. 3. A durable waterproof structure that constitutes a waterproof sheet groove portion and a waterproof sheet upper surface by being laid along the side surface and bottom surface of each groove (2a) of a corrugated steel plate (2) and the upper surface between the grooves. A sheet (3), and a lightweight soil retention material (4) that is housed and arranged in each of the waterproof sheet groove portions to form a substantially flat surface without steps in cooperation with the upper surface of each waterproof sheet. The water-permeable member (5) laid over the entire area of the substantially flat surface and a large number of substantially triangular non-slip plates (8) that are separated from each other are fixed in a state of protruding downward, and the water-permeable member is provided. Material (5)
So as to surround the sheet, the slip-preventing plate (8) is fixed to the corrugated steel plate (2) directly or through the durable waterproof sheet (3) in a state of being inserted in the waterproof sheet groove portion. The peripheral wall plate with anti-slip plate (7) and the water-permeable member (5) are fixed so as to surround the upper surface of the outermost end of the corrugated steel plate (2) in the longitudinal direction. A non-slip plate peripheral wall plate (7 '), inside the non-slip plate peripheral wall plate (7) and the non-slip plate peripheral wall plate (7'), and on the upper surface side of the water-permeable member (5). A rooftop structure of a building consisting of a layer of greened soil (6) formed by spraying greened soil. 4. A corrugated steel plate (2) is housed in each groove (2a) of the corrugated steel plate (2), and its upper surface is aligned with the upper surface between the grooves (2a) to form a substantially flat surface without steps. A large number of soil retaining materials (4), a durable waterproof sheet (3) laid and adhered on the substantially flat surface, and a water-permeable member (5) laid on the upper surface of the durable waterproof sheet (3). ) And a large number of substantially triangular anti-slip plates (8) that are separated from each other are fixed in a state of protruding downward, and each anti-slip plate (8) is surrounded by the water-permeable member (5). ) Is fixed to each upper surface of the corrugated steel plate (2) directly or through a durable waterproof sheet (3) in a state in which the () is inserted into each groove (2a) in a transverse manner. The corrugated steel plate (to surround the plate-equipped peripheral wall plate (7) and the water-permeable member (5). ) A peripheral wall plate (7 ') without a non-slip plate, which is fixed along the longitudinal direction of the upper surface of the outermost end, a peripheral wall plate (7) with the anti-slip plate and a peripheral wall plate (7') without the anti-slip plate. ) And a top surface side of the water-permeable member (5), which is formed by spraying a greening soil layer (6), on the rooftop structure of the building. 5. The building rooftop structure according to claim 1, wherein the durable waterproof sheet (3) is formed of a super durable metal waterproof sheet, and the soil retaining material ( 4), bark material, and is formed in one of foamed plastic material or Eaba' grayed, roof structure of the building.