JP4145011B2 - Roof structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a roof structure in which a planting portion in which soil is laminated to a predetermined thickness is provided on an inclined roof provided with a waterproof layer.
[0002]
[Prior art]
Conventionally, as this type of roof structure, as shown in FIG. 11, there is one in which a planting portion S is configured by directly laminating soil 1 on a roof B2 waterproof layer inclined at a predetermined angle. .
[0003]
[Problems to be solved by the invention]
According to the above-described conventional roof structure, the soil can easily flow along the roof slope due to watering to the planting part, penetration of rainwater, the influence of the wind, the weight of the soil itself, and the like. However, there is a problem that the soil on the upper side of the slope is insufficient, the soil needs to be replenished frequently on the upper side of the slope, and the maintenance of the planting part is likely to be troublesome.
Further, as a means for suppressing the flow of the soil, as shown in FIG. 12, it is considered that the rising wall portion 20 is formed in a protruding state on the upper surface of the roof on the inclined lower edge of the roof to dam the soil. However, in this case, in order to prevent the soil from flowing down, the height dimension of the rising wall portion needs to be set equal to or larger than the thickness dimension of the planting portion, and is close to the building When the roof is looked up from the position, it is difficult to see the important planting part with respect to the eyes only from the rising wall part, and it is difficult to make use of the beauty of the planting part provided with great effort.
[0004]
Accordingly, an object of the present invention is to provide a roof structure that solves the above-mentioned problems and easily suppresses the flow of soil in the planting part.
[0005]
[Means for Solving the Problems]
The characteristic configuration of the invention of claim 1 is a roof in which a planting part S in which soil 1 is laminated to a predetermined thickness is provided on an inclined roof B2 provided with a waterproof layer 4 as illustrated in FIGS. In the structure, a flat surface member 5 having a large number of passage holes 5b through which the soil 1 can pass in the thickness direction of the planting part S is provided, and a plurality of support members 3 that can support the surface member 5 are provided. Attached to the roof B2, the surface member 5 is supported by the support member 3 in a state where the supported portion 5a is separated from the waterproof layer 4 along the roof B2, and the eaves of the planting portion At the side end, the surface member is folded back to the top of the soil, and the eaves side edge of the planting part is wrapped .
[0006]
According to the characteristic configuration of the invention of claim 1, the flat surface member is provided with a large number of passage holes through which the soil can pass in the thickness direction of the planting part, and the surface member is supported by the surface member. Since the part is attached to the roof with the support member in a state of being separated from the waterproof layer, the soil laminated on the planting part is stacked in a state of penetrating the passage hole. Therefore, it becomes possible to exhibit the situation where the surface member is embedded in the soil, the frictional action between both (the surface member and the soil), and both engaged (the surface member and the soil) through the passage hole. Due to the engaging action, the integrity of the surface member and the soil is improved. As a result, it is possible to support that the soil is about to flow down by the surface member attached to the roof via the support member, and it is possible to suppress the flow of the soil at the planting part.
In addition, regarding the construction of planting roofs, it is possible to adopt a method of laminating soil after attaching the surface member with a supporting member on the roof, and simply by performing soil tightening work, Thus, the planting roof can be formed more easily and quickly.
Furthermore, since it becomes possible to suppress the flow of soil at the planting part, it is possible to prevent the soil even if the rising wall part for damming the soil is not formed on the lower slope edge of the roof as described above. It is possible to realize stable maintenance of the plant, and when looking up at the roof from a position close to the building, it is possible to see the planting part directly, and it is possible to configure the appearance that makes use of the beauty of the planting part It becomes.
[0007]
The characteristic configuration of the invention of claim 2 is that, as illustrated in FIG. 7, the support member 3 is provided with height changing means 8 capable of changing the support height of the surface member 5.
[0008]
According to the characteristic configuration of the second aspect of the invention, in addition to being able to achieve the function and effect of the first aspect of the invention, the support member is provided with a height changing means capable of changing the support height of the surface member. Therefore, the support height of the surface member can be arbitrarily changed and adjusted by the height changing means.
As a result, according to the setting of the thickness dimension of the planting part, the surface member can be adjusted to be positioned at a preferred height in the soil, and the engagement force between the surface member and the soil can be further improved. Become.
Moreover, regardless of the magnitude of the engaging force between the surface member and the soil, the surface member is exposed on the surface of the planting part so that it does not affect the growth of the plant or decreases the aesthetics. It is also possible to change the height so that the surface member is located in the soil.
Of course, it is also possible to adjust the height so that the surface member is exposed on the surface portion of the planting portion.
[0009]
1 to 3, the surface member 5 is a net, and the support member 3 is formed so as to be sandwiched and supported from the front and back surfaces through the net. There is.
[0010]
According to the characteristic configuration of the invention of claim 3, in addition to being able to achieve the effects of the invention of claim 1 or 2, since the surface member is a net, it is easy to handle and Efficiency can be improved. That is, if it is a net, it can be carried on the roof in a wound state or a folded state and laid while being spread out, and can be easily carried out even at a high place.
Furthermore, since the support member penetrates and supports the net, it can be easily and quickly implemented with respect to the work of attaching the net to the support member, and the efficiency of the planting formation work can be further improved. Become.
[0011]
The characteristic configuration of the invention of claim 4 is that, as illustrated in FIGS. 2 and 3, a water retaining mat 2 capable of retaining water in the planting part S is provided along the waterproof layer 4. is there.
[0012]
According to the characteristic configuration of the invention of claim 4, in addition to being able to achieve the function and effect of any one of claims 1 to 3, it is possible to store moisture in the soil in the water retaining mat. For example, even when the soil moisture is low, it becomes possible to supply water to the planted plant from the water retention mat, improve the water retention performance of the planted roof as a whole, and the planting is in a drought state It becomes possible to make it difficult to fall into.
Therefore, it becomes possible to make it a planting roof where plants do not wither.
[0013]
In addition, as mentioned above, although the code | symbol was written in order to make contrast with drawing convenient, this invention is not limited to the structure of an accompanying drawing by this entry.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings. In the drawings, the parts indicated by the same reference numerals as those in the conventional example indicate the same or corresponding parts.
[0015]
FIG. 1 shows a building B provided with one embodiment of the roof structure of the present invention.
The building B of this embodiment is a reinforced concrete building in which a building body B1 and a roof B2 formed thereon are integrally formed.
[0016]
As shown in FIGS. 1 and 2, the roof B <b> 2 is configured to be inclined so that an upper surface portion (a planting portion described later) can be seen when viewed from a position away from the building B.
Moreover, the planting part S which put the soil 1 is provided on the said roof B2, It is comprised so that the plant growing in this planting part S can be appreciated in the position away from the building B.
[0017]
And, as shown in FIGS. 2, 3 and 5, a vinyl chloride waterproof sheet (corresponding to a waterproof layer) 4 is bonded and fixed to the upper surface of the roof B2, and the planting part is further provided thereon. A water retaining mat 2 capable of retaining water in S is provided so as to overlap the waterproof layer.
A soil supporting net (an example of a flat surface member as referred to in the present invention) 5 is supported above the water retaining mat 2 by a plurality of support members 3 fixed in a protruding state on the upper surface of the waterproof sheet 4. Yes, this net 5 can carry the soil 1 of the planting part S and prevent the slippage.
[0018]
Incidentally, the waterproof sheet 4 is attached and fixed by adhesion to a waterproof sheet fixing bracket 6 fixed to the roof B2. Adjacent sheets are reliably integrated by welding.
With regard to the material of the waterproof sheet 4, the use of vinyl chloride makes it possible to ensure an appropriate strength, strengthen the soil 1 displacement prevention effect, and prevent the roots of the planting part S from penetrating. It becomes possible to plan.
As shown in FIG. 4, for example, as shown in FIG. 4, the waterproof sheet fixing bracket 6 is a hot melt made of a thermoplastic synthetic resin that melts polyester resin or the like on the upper surface of a stainless steel disc having a diameter of about 50 mm and exhibits adhesion. The washer body 6A is covered with an adhesive layer H. The washer body 6A is disposed on the roof B2 at predetermined positions in the vertical and horizontal directions and is screwed.
The waterproof sheet 4 is fixed to the roof B2 by setting an electromagnetic induction heating device above the waterproof sheet 4 covered on the washer body 6A, and heating the washer body 6A by electromagnetic induction heating. The washer layer 6A and the waterproof sheet 4 can be bonded by dissolving the adhesive layer H (see FIG. 5).
[0019]
The water retaining mat 2 is formed into a mat shape by entwining fibers made of water-absorbing polymer, and the lower surface of the water retaining mat 2 is bonded to the upper surface of the waterproof sheet 4.
However, the mounting portion of the support member 3 to the waterproof sheet 4 is disposed so as to cover the base portion 3 a of the support member 3. And the main-body part 3b of the supporting member 3 penetrates the water retention mat 2, and protrudes upwards.
By adhering the water retaining mat 2 along the waterproof sheet 4, the water that has entered the planting part S flows along the roof slope on the waterproof sheet 4 toward the lower side of the slope. The water retaining mat 2 is sufficiently retained. Therefore, when the soil 1 is dried, the water retained in the water retaining mat 2 is supplied to the plants and plants of the planting part S, and it becomes possible to alleviate the drought.
[0020]
The support member 3 is made of vinyl chloride, and includes a base portion 3a and a main body portion 3b as shown in FIG.
The base portion 3a is constituted by a disc, and the main body portion 3b is constituted by a resin bolt provided integrally and upright at the central portion of the disc.
And the supporting member 3 is installed in the state which the main-body part 3b protrudes on a roof surface by carrying out the surface bonding of the disk-shaped base part 3a on the waterproof sheet 4. FIG. The main body portion 3b is provided with a pair of locking ring members 3c that can be freely locked to the external threaded portion of the outer periphery, and the support net 5 is interposed between the locking ring members 3c. It can be pinched and fixed. Therefore, in a state where one locking ring member 3c is locked to the main body portion 3b, the through hole of the net 5 (corresponding to a passing hole through which the soil 1 can pass in the thickness direction of the planting portion S) 5b. The net 5 is placed on the one locking ring member 3c through the main body portion 3b, and the net 5 is fixed to both locking ring members while the other locking ring member 3c is locked to the main body portion 3b. The net 5 can be supported and fixed by the support member 3 by being sandwiched by 3c.
Further, the locking ring member 3c will be described. Like the base portion 3a and the main body portion 3b, the locking ring member 3c is made of a synthetic resin. As shown in FIG. The locking piece 7a is integrally provided.
Each locking piece 7a is formed in a posture inclined to one side with respect to the ring axis, and the locking ring member 3c is used as a bolt axis from one end side of the main body portion 3b made of the resin bolt. When the fitting operation is performed along each of the locking pieces 7a, the locking pieces 7a are easily bent and can be easily fitted. 7a is stretched so that it is difficult to remove.
Incidentally, the locking action of the locking ring member 3c to the main body portion 3b is effective when the tip end portion of the locking piece 7a is engaged with the outer peripheral male screw portion of the main body portion 3b. Further, in order to remove the locking ring member 3c from the main body portion 3b, the same operation as removing the nut from the bolt (by rotating the locking ring member 3c around the bolt axis along the male screw portion) is performed. To be implemented.
Moreover, since the latching position of the latching ring member 3c with respect to the main-body part 3b can be changed, it becomes possible to also change the support height of the net | network 5, for example, the soil layer of the planting part S It is possible to easily adjust the support height of the net 5 to a preferable value according to the set thickness dimension and the type of plant to be grown. The main body portion 3b and the locking ring member 3c are referred to as height changing means 8.
[0021]
The net 5 will be described. As shown in FIG. 3, the net 5 is a resin net integrally formed so that a large number of juxtaposed vertical line portions and a large number of juxtaposed horizontal line portions intersect. A space surrounded by the adjacent vertical line portion and the adjacent horizontal line portion is secured as the through hole 5b. This through-hole 5b is set to a size that allows the soil 1 of the planting part S to penetrate, and the net 5 is supported on the roof B2 by the support members 3 as described above, from above. When the soil 1 is covered, it is considered that the soil 1 also passes through the through hole 5b to the lower side of the net 5.
Therefore, after the net 5 is installed, even if the planting part S is filled with the soil 1, the soil spreads over the water retention mat 2, and the net 1 is buried in the soil by depositing the soil 1 to a predetermined thickness. Is possible. As a result, this net 5 can carry the soil 1 of the planting part S and prevent the soil from falling along the roof slope.
In addition, regarding the prevention of the slipping of the planting part S, in addition to the use of the supporting action of the net 5 and the soil 1 described above, there is also a point of using a natural phenomenon due to the growth of the roots of plants. That is, the growing plant has the property of extending the root in the direction of moisture, and in the case of this embodiment, the root existing in the soil above the net 5 tends to extend toward the water retention mat 2. At that time, each root must pass through the through hole 5b of the net 5, and as a result, it can be expected that the root is entangled with the net 5, and the planting part S is displaced. This can be prevented.
[0022]
Next, a method for forming the planting on the roof of the building will be described with an example.
[1] The waterproof sheet fixing bracket 6 is fixed to a predetermined location on the roof B2, and the waterproof sheet 4 is bonded and fixed thereon.
[2] The support member 3 is bonded and fixed to a predetermined location on the upper surface of the waterproof sheet 4.
[3] The water retention mat 2 is bonded onto the waterproof sheet 4. However, the installation location of the support member 3 is penetrated so that the main body portion 3b of the support member 3 protrudes upward.
[4] The net 5 is disposed over the support members 3 and fixed with the locking ring member 3c. However, the eaves side end of the net 5 is wound up with a margin in length as shown in FIG.
[5] The soil 1 is spread over the net 5, and the net 5 is fully raised to a predetermined height that fits in the soil (see FIG. 8B).
[6] A turf is placed on the soil 1 and covered with sand (see FIG. 8C).
[7] The net that has been wound around the eaves side end is rolled up, folded back to the top of the soil, and the end is fixed with a hook-shaped stopper F or the like (see FIG. 8D). By doing so, the soil 1 and the grass at the eaves side edge of the planting part S can be wrapped with the net 5 and can be prevented from falling, and the vegetation can be passed to the eaves side edge through the through hole 5b of the net. It is possible to make a roof finish with high aesthetics that can show the face, and when looking up at the planting part S from diagonally below the building, it is possible to see the situation where plants grow up to the edge. .
[0023]
According to the roof structure demonstrated in the said embodiment, since the soil 1 of the planting part S can be supported by the said net 5, and it becomes possible to suppress the flow of the soil in a planting part, planting It is possible to expose up to the eaves side edge of the part as a planting part and to further improve the beauty of the roof wrapped by the planting part S. Moreover, since it becomes possible to hold | maintain the water | moisture content in the planting part S for a long time with the said water retention mat, even if it is hard to fall into a drought state, there is little rainfall, or watering has stopped, a planting part It is possible to expect the effect that the plants of S are less likely to wither.
[0024]
[Another embodiment]
Other embodiments will be described below.
[0025]
<1> The structure of the building is not limited to the reinforced concrete structure described in the previous embodiment. For example, a known building structure such as a steel structure, a steel reinforced concrete structure, a wooden structure, or a composite structure thereof may be used. It is possible to adopt.
<2> The water retention mat is not limited to one formed using the water-absorbing polymer described in the previous embodiment as a raw material, and is composed of, for example, a fiber or a nonwoven fabric made of a natural material or a synthetic resin. They may be collectively referred to as a water retention mat. Moreover, the structure which does not provide a water retention mat is also possible.
<3> The surface member 5 is not limited to the net described in the previous embodiment. For example, the surface member 5 may be formed of a punching sheet, a nonwoven fabric, or the like, and includes the surface member 5. However, the surface member 5 needs to be provided with a passage hole 5b through which the soil 1 can pass in the thickness direction of the planting part S.
Further, if the surface member 5 is supported by the support member 3 in a state of being separated from the waterproof layer 4 in the supported portion 5a, the soil 1 also wraps around the surface member 5 even if there is a slight sag. Thus, the anchor effect of the surface member can be exhibited. Regarding the support of the surface member 5, a net spacer 10 as shown in FIGS. 9 and 10 may be used in order to reduce the sagging. The net spacer 10 is made of synthetic resin, and as shown in the drawing, a support portion 10a capable of engaging and supporting a part of the surface member 5 is provided at the upper end portion, and a placement portion on the base is provided at the lower end portion. 10b is provided.
Furthermore, if the surface member 5 is composed of a biodegradable material, the surface member can be exhibited with the passage of time while the effect of preventing the soil 1 from falling off by the surface member 5 can be exhibited immediately after the formation of the planting part S. As the decomposition of the plant progresses, it is difficult to hinder the growth of the roots of the plant in the planting part S, and the planting part is stably maintained by improving the integrity of the roots of the plant and the soil 1 and the support member 3 that are sufficiently grown. It becomes possible to plan.
<4> The waterproof layer 4 is not limited to the one formed using the vinyl chloride waterproof sheet described in the previous embodiment, but a sheet made of rubber or TPE (Thermo Plastic Elastomer). Or the waterproof sheet which consists of another material may be sufficient. Furthermore, it is not limited to a molded sheet, and a waterproof layer may be formed by applying a waterproof material, and these are collectively referred to as a waterproof layer.
In addition, the waterproof layer 4 may be fixed to the roof B2 by, for example, bonding the entire surface of the roof B2 to the roof B2 other than the waterproof sheet fixing bracket 6 described in the previous embodiment.
<5> The plant grown in the planting part is not limited to turf as described in the previous embodiment, and may be other vegetation.
<6> “Adhesion” used in the description of the previous embodiment is not limited to bonding the objects to be bonded with an adhesive interposed therebetween. For example, the objects to be bonded are melted (melted). Including) those that are integrally joined. Accordingly, adhesive bonding, solvent welding, heat sealing, and the like are collectively referred to as bonding.
[Brief description of the drawings]
[Fig. 1] Partially cutaway perspective view showing a building [Fig.2] Cross-sectional view of the main part showing the details of the roof [Fig.3] Partially cutaway perspective view showing the installation status of the net [Fig.4] Waterproof sheet fixing bracket FIG. 5 is a cross-sectional view of the main part showing the fixing state of the waterproof sheet. FIG. 6 is an exploded perspective view showing the supporting member. FIG. 7 is a cross-sectional view showing the attaching state of the supporting member. FIG. 9 is a perspective view showing a net spacer according to another embodiment. FIG. 10 is a cross-sectional view showing an installation state of the net spacer according to another embodiment. FIG. 11 is a cross-sectional view showing a conventional roof structure. FIG. 12 is a sectional view showing a conventional roof structure.
DESCRIPTION OF SYMBOLS 1 Soil 2 Water retention mat 3 Support member 4 Waterproof layer 5 Surface member 5a Supported part 5b Passing hole 8 Height change means B2 Roof S Planting part

Claims (4)

On the inclined roof provided with a waterproof layer, a roof structure provided with a planting part in which soil is laminated to a predetermined thickness,
Provide a flat surface member having a large number of passage holes through which the soil can pass in the thickness direction of the planting part, attach a plurality of support members that can support the surface member to the roof, and the surface member, In the state along the roof, the supported part is supported by the support member in a state of being separated from the waterproof layer , and the surface member is folded back to the upper part of the soil at the eaves side end of the planting part. The roof structure that wraps around the eave side edge of the planting part .   The roof structure according to claim 1, wherein the support member is provided with a height changing means capable of changing a support height of the surface member.   The roof structure according to claim 1 or 2, wherein the surface member is a net, and the support member is formed so as to penetrate the net and be sandwiched and supported from the front and back surfaces.   The roof structure according to any one of claims 1 to 3, wherein a water retention mat capable of retaining water is provided along the waterproof layer in the planting part.

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