WO1999024684A1

WO1999024684A1 - Sheet roof structure

Info

Publication number: WO1999024684A1
Application number: PCT/JP1997/004075
Authority: WO
Inventors: Tsukasa Sugiura
Original assignee: World Fusion Limited
Priority date: 1997-11-07
Filing date: 1997-11-07
Publication date: 1999-05-20
Also published as: FR2770864A1; GR980100408A; AU2246599A; TW374812B

Abstract

A roof structure of a building comprising a planar ceiling sheet (18) constituting the ceiling of the building (2) and a mountain-shaped roof sheet (20) disposed above the ceiling sheet and constituting the roof of the building. The ceiling sheet and the roof sheet are made of a gas-impermeable sheet and their peripheral portions are fixed to the upper edge peripheral portion of a building main body (2A). The roof sheet is supported in a mountain shape by support members in such a manner as to define a sealed space between it and and the ceiling sheet and this sealed space is always kept at a positive or negative pressure relative to the atmosphere. Further, a core material (50) into which a gas is charged is disposed at necessary positions of the inner surface of the roof sheet. Therefore, the structure is simple and has an excellent workability and the roof is light in weight, so that a building having a high resistance to earthquakes can be obtained.

Description

Specification

Technical field

The present invention relates to a curtain roof structure, and more particularly, to a curtain roof structure including a ceiling curtain forming a ceiling of a building and a roof curtain forming a roof of the building. Background art

Conventionally, the roof of a house is generally a so-called tiled structure formed by placing tiles on an inclined support structure, and the ceiling is formed by placing plate materials on a large number of support bars. Is usually there.

On the other hand, in the case of a gymnasium or other building that requires a large floor space and needs to be formed without building a middle pillar, the roof and ceiling are formed by a special support structure different from ordinary houses. .

However, the above-mentioned houses with a tiled structure have a problem of durability against earthquakes due to the large weight of the tiles, and the construction cost is increased because it takes much time and effort to form such tiles and support bars. There was also. Similarly, buildings that require a large floor space, such as gymnasiums, also require very complicated roof and ceiling support structures, which increases construction costs and is not sufficiently durable against earthquakes. Was.

The present invention has been made in view of such circumstances, and it is an object of the present invention to provide a curtain roof structure having a simple structure, excellent workability, low construction cost, and excellent durability against earthquakes. It is the purpose. Disclosure of the invention

The invention described in claim 1 is a roof structure of a building, comprising: a planar ceiling curtain forming a ceiling of a building; and a mountain-shaped roof curtain arranged above the ceiling curtain and forming a roof of the building. The ceiling curtain and the roof curtain are made of non-breathable 5 sheets, and the periphery is fixed to the periphery of the upper edge of the building body. The roof curtain is supported in a mountain shape by a support member and is interposed between the ceiling curtain and the ceiling curtain. A closed space is formed in the closed space, and the inside of the closed space is always kept at a positive pressure or a negative pressure than the atmospheric pressure, and a core material filled with a gas is provided at a required portion of the inner surface of the roof curtain. Since it is a curtain roof structure, the roof of the building can be formed with a lightweight and simple structure10, and it has excellent durability against earthquakes, can be easily constructed, and can reduce construction costs. In addition, the core material supports the roof curtain from the inside. The roof shape can be kept beautiful and stable. The invention according to claim 2 is characterized in that the ceiling curtain or the roof curtain has an enclosed space.

15.The exhaust system according to claim 1, further comprising an exhaust means for exhausting the air, and supplying the air exhausted by the exhaust means into the core material. With a curtain roof structure, the interior of the curtain roof is always maintained at a negative pressure, and the gas inside the core material can be constantly filled, so the roof shape is always beautiful and stable.

20 can be kept.

The invention according to claim 3 is characterized in that the ceiling curtain or the roof curtain is provided with air supply means for supplying air from outside to the closed space, and the air supplied by the air supply means is 2. The curtain roof structure according to claim 1, wherein a part of the curtain roof structure is supplied to the inside of the core material.

25, the interior of the curtain roof is always maintained in a positive pressure state, and the gas inside the core material can be maintained in a constantly filled state, so that the roof shape can always be kept beautiful and stable. it can. The invention described in claim 4 is characterized in that the support member is configured to be located inside the closed space, wherein the support member is configured to be positioned inside the closed space. Because of the curtain roof structure, the support members are not exposed to the outside and have a beautiful appearance.

The invention according to claim 5, wherein the core material comprises a bag-shaped portion provided by folding an end of a sheet constituting a roof curtain. Since the curtain roof structure described in any one of Items 4 to 4, there is no need to attach the core material to the inner surface of the roof curtain, and there is no danger of the core material detaching from the roof curtain. BRIEF DESCRIPTION OF THE FIGURES

FIG. 1 is an external view of a building using the curtain roof structure according to the present invention, FIG. 2 is a front view of the building body, FIG. 3 is a plan view of the building body, and FIG. 4 is a building. FIG. 5 is a side view of the main body, FIG. 5 is a development view of a ceiling curtain, FIG. 6 is an exploded development view of a roof curtain, FIG. 7 is an external view showing an example of a core material, and FIG. FIG. 9 is a cross-sectional view showing an example of a core material. FIG. 9 is an explanatory diagram showing an example of how to attach the core material. FIG. 10 is a structural diagram of an exhaust means or an air supply means. Figure 1 is the process of installing the ceiling curtain, Figure 12 is the process of installing the roof curtain, and Figure 13 is the structural diagram of the ceiling curtain and the installation part of the roof curtain. Fig. 15 is a side view of the pulling means mainly composed of the left and right support members. Fig. 15 is an explanatory diagram of the operation of the roof curtain structure when the enclosed space is under negative pressure. FIG. 6 is an explanatory view of the operation of the roof curtain structure when the enclosed space is set to a positive pressure. FIG. 17 is an explanatory view showing a state where the exhaust means and the core material are connected. FIG. 19 is an explanatory view showing a state in which the air supply means and the core material are connected, FIG. 19 is an external view of another embodiment of a building using the curtain roof structure according to the present invention, and FIG. Building body in Fig. 19 FIG. 21 is another example of a front view of the building body. BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, preferred embodiments of a curtain roof structure according to the present invention will be described with reference to the drawings.

FIG. 1 is an external view showing an embodiment of a building 2 using a curtain roof structure 1 according to the present invention.

The main body 2A of the building 2 is formed mainly of a steel frame structure, FIG. 2 is a front view of the main body 2A, FIG. 3 is a plan view of the main body 2A, and FIG. It is a side view of A.

Although the size of the main body 2A is not particularly limited, for example, the short side (side) is about 18 m, and the long side (front) is about 54 m.

The main body 2A is provided with an entrance 3 and a window 4 at required positions. The main body 2A is surrounded by a wall 5 and reinforced with a streak or a rail 6 to be erected on a foundation 7.

As shown in FIG. 3, a reinforcing member 8 is attached to the corner of the main body 2A. No beam is provided on the ceiling. If necessary in terms of strength, reinforcing beams 10 may be arranged as shown by the imaginary line in FIG. 3, but in order to improve the appearance of the ceiling curtain 18 described later, If there is no shortage, it is preferable not to install reinforcing beams 10.

Also, as shown in Fig. 11, a support gutter 12 with an open top is fixed to the outer surface of the spread beam (spread) 11 around the upper side of the main body 2A by welding, bolting, or other means. ing.

The support gutter 12 is provided with a large number of bolt shafts 13 for fixing ceiling curtains 18 and roof curtains 20 to be described later at predetermined intervals. In addition, the vertical surface 12 A of the support gutter 12 to which the bolt shaft 13 is attached is formed smoothly, and Immediate treatment is applied. Note that the support gutter 12 may be configured such that the bolt shaft 13 is protruded from one that is integrally formed with the spreading beam 11. Although not shown, a vertical tub for drainage is provided at an appropriate position of the support gutter 12.

At the center of both side surfaces 14 of the main body 2A, as shown in FIGS. 1 to 4, a support pipe 15 extending above the main body 2A is firmly fixed to the reinforcing member 16. I have. This support tube 15 is for pulling and fixing the drawstring 26 of the roof curtain 20. As shown in FIG. 14, each support tube 15 has a trochanter 15A at the upper end. The lower end is set to approximately the center of the side surface 14 of the main body 2 A in order to attach the pulling means of the drawstring 26. The ceiling of the main body 2A is composed of a planar ceiling curtain 18, and a roof curtain 20 constituting the roof of the building is arranged above the ceiling curtain 18.

FIG. 5 is a plan view of the ceiling curtain 18. The ceiling curtain 18 is configured by providing a margin 18A on the outer periphery of a sheet large enough to cover the ceiling.

The mounting margin 18 A has a double structure in which the edges of the sheet are folded back and overlapped for strength reinforcement, and the stop hole 19 inserted into the bolt shaft 13 of the support gutter 12 described above is formed with the bolt shaft 13. Many are provided at equal intervals.

Fig. 6 is an exploded view of a roof curtain 20 for forming a gable-like roof, including a front sheet 21, a rear sheet 22, a right side sheet 23 and a left side sheet. 24 shows the cut sheet portion.

Each sheet part is provided with a seam allowance 21A, 23A, 24A on a predetermined side, and a support gutter is provided on the attachment side 21B, 22B, 23B, 24B on the attachment side. A large number of stop holes 25 to be inserted into the bolt shafts 13 are provided at regular intervals with the bolt shafts 13. In addition, each mounting allowance 2 1 B, 2 2 B, 2 3

B and 24B have a double structure folded back for reinforcement.

Then, after overlapping the corresponding sides of each sheet part, the seam allowance 2 1 A, By sewing at 23 A and 24 A, the roof curtain 20 is formed. In addition, a drawstring 26 is arranged at the ridge line 2OA of both the front sheet 21 and the rear sheet 22 and the drawstring 5 is sewn together with the sewing of both sheets.

The ceiling curtain 18 and the roof curtain 20 are formed of a non-breathable sheet that does not allow air to pass therethrough. For example, a multi-layer laminated resin sheet, a processed sheet obtained by applying rubberized or resin-processed cloth, or the like is preferable. used. The sewn portion of the roof curtain 20 is rubberized or coated with resin to be subjected to non-breathable processing.

FIG. 7 is an external view showing a core material 50 fixed to a required portion of the inner surface of the roof curtain 20 as shown in FIG. 1, and FIG. 8 is a cross-sectional view thereof.

The core material 50 is made of a long bag made of a non-permeable material such as rubber or a multi-layer laminated resin sheet, a processed sheet obtained by rubberizing or resin-treating a cloth, and the inside is filled with air.

Air is taken in and out of the core material 50 through an air hole 51 provided at the end. An opening / closing stopper 52 is attached to the air hole 51, and the opening / closing of the opening / closing stopper 52 allows air to enter / exit inside the core material 50 and to be sealed.

The core material 50 is attached to the inner surface of the roof curtain 20 by bending the core material 50 from the center to form a mountain shape along the edge of the right side sheet 23 and the left side sheet 24. It is performed by fixing by any means such as sewing and bonding. FIG. 9 shows an example in which the thread 53 is sewn in a ring shape to the right side sheet 23 and the core material 50 is passed through the formed thread loop, and the right side sheet 23 and the core material 50 are fixed. However, the fixing method is not necessarily limited to this.

When attaching the core material 50 to the inner surface of the roof curtain 20, the core material 50 may be attached along the edges of the front sheet 21 and the rear sheet 22, _Λ

O 99/24684

After the sheets of the roof curtain 20 are sewn, they may be attached to the inside of the completed roof curtain 20.

In addition, the end of the sheet constituting the roof curtain 20 is folded back and sewn to form a bag-shaped portion at the end of the sheet, and air is introduced into the bag-shaped portion and used as the core material 50. A configuration can also be suitably adopted.

As described above, the core material 50 is not formed as a separate member from the roof curtain 20 but is formed as an integral member with the roof curtain 20, so that the labor for attaching the core material 50 to the inner surface of the roof curtain 20 is reduced. Therefore, the effect that the core material 50 does not detach from the roof curtain 20 can be obtained.

The sheet provided with a bag-shaped portion whose core portion 50 is formed by folding the end portion is any one of the front sheet 21, the rear sheet 22, the right side sheet 23, and the left side sheet 24. You may.

On one side of the roof curtain 20, in the example shown in FIG. 6, the left side sheet 24 is provided with a mounting hole 27 for the fan 30. The fan 30 shown in FIG. Attached to mounting holes 27.

The fan 30 functions as an exhaust fan that exhausts the air in the enclosed space formed between the roof curtain and the ceiling curtain to the outside or an air supply fan that supplies air from outside to the enclosed space. .

As shown in Fig. 10, the fan 30 has a motor M fixed to a support member 32 of a ventilation hole 31A of a support plate 31 and a rotating blade 33 attached to a shaft of the motor M. I have. A cylinder 34 surrounding the rotary blade 33 is fixed to the ventilation hole 31A. Rotating blade 3 3 rotates at high speed by rotation of motor M, and cylinder 3

Discharge or inhale air from 4.

The fan 30 in which the cylinder 34 is attached to the support plate 31 has the support plate 31 arranged inside the left side seat 24 and the cylinder 34 protruding outward from the mounting hole 27. State, and sewing is performed using the sewing holes 3 1 B around the support plate 3 1. The sewn part is subjected to non-breathable processing by rubberization or resin application.

The ceiling curtain 18 covers the ceiling of the main unit 2A, and then pulls the mounting margin 18A of the outer periphery into the support gutter 12 as shown in Fig. The ceiling curtain 18 is fixed to the main body 2A by inserting the retaining hole 18 of the mounting margin 18 deep into each bolt shaft 13 and inserting the mounting margin 18 of the outer periphery into the bolt shaft 13.

Thereafter, a non-breathable band-shaped cushion plate 36 is attached to the bolt shaft 13 of each support gutter 12. As shown in FIG. 12, the band-shaped cushion plate 36 is formed of a band having a through hole 36 A at an equal interval to the bolt shaft 13, and a mounting margin 18 A for the ceiling curtain 18 and a roof curtain 20. This is to form a sealed structure when the mounting allowances 21B, 22B, 23B, and 24B are attached to the bolt shaft 13 and tightened.

Then, the roof curtain 20 having a core material 50 fixed to the inner surface and formed into a roof shape is placed on the top of the ceiling curtain 18 with the front sheet 21 facing the front side of the main body 2A. Then, the pull cord 26 on the right side of the roof curtain 20 is guided into the pipe through the trochanter 15 A of the support pipe 15 on the right side of the main body 2 A, pulled out of the pipe, and temporarily fixed in a pulled state.

Then, the mounting margin 21 B, 22 B, 23 B, 24 B of the peripheral part of the roof curtain 20 is pulled into the support gutter 12, and the bolt hole 13 of each bolt shaft 13 of the support gutter 12 is made. Insert 5 sequentially. After inserting all the fixing holes 25 of the peripheral parts 2 1 B, 22 B, 23 B and 24 B into the bolt shaft 13, as shown in Fig. 13, each bolt shaft 13 A nut 39 is fastened to the periphery, and the periphery of the roof curtain 20 is tightly fixed.

Thereafter, the temporarily pulled cord 26 is permanently stopped. As shown in Fig. 14, this permanent stop is a force that suspends the weight 41 on the end of the drawstring 26 or a fixing device. The roof curtain 20 is maintained in a predetermined shape by interposing a pull spring 43 between the pull cord 42 and the drawstring 26. When the bow I string 26 is permanently fixed, it may be fixed immovably. However, as shown in FIG. 14, it is preferable that the bow is movable so that it can flexibly respond to changes in temperature and pressure. . Thus, the roof space portion S between the ceiling curtain 18 and the roof curtain 20 in a state where the drawstring 26 is permanently fixed is a closed space except for the vent hole 31A of the fan 30.

In this state, when the motor M of the fan 30 is energized and the rotating blades 33 are rotated to discharge the air in the roof space S to the outside, the roof space S has a negative pressure (lower pressure) than the outside air. Therefore, as shown in FIG. 15, the ceiling curtain 18 is pulled upward from the main body 2A, and the roof curtain 20 is held in a tensioned state. When the rotating blades 33 are rotated to supply external air to the roof space S, the roof space S has a higher positive pressure (higher pressure) than the outside air, and as shown in FIG. The ceiling curtain 18 and the roof curtain 20 are pushed outward, and the roof curtain 20 is kept in tension.

Therefore, the roof curtain 20 has an excellent appearance without wrinkles, and the core material 50 filled with air is fixed inside the roof curtain 20, so that the air pressure of the roof space S is reduced. Even if there is a change, the shape of the roof curtain is less likely to lose its shape, and the entire roof is lighter, making it more resistant to earthquakes. In the present invention, a configuration in which the air discharged from the roof space S is supplied to the inside of the core member 50 may be adopted.

In the case of adopting this configuration, as shown in FIG. 17, the opening / closing stopper 52 provided in the air hole 51 of the core material 50 is connected to the roof curtain 20 (in the illustrated example, the left side sheet 2). 4), the open end of the tubular body 34 and the open / close plug 52 may be connected via the connection hose 6. At this time, it is a matter of course that the boundary portion between the opening / closing stopper 52 and the roof curtain 20 is subjected to an airtight treatment by means of resin coating or the like. In addition, air to the core 50 attached to the right side The supply may be performed in the same manner as in FIG. 17 by attaching the fan 30 to the right side sheet 23, or connecting the left and right core members 50 with the ventilation hose in the roof space S. It may be configured. Note that a configuration may be employed in which a part, but not all, of the air discharged from the roof space S is supplied into the core material 50.

As described above, when the fan 30 is driven as an exhaust fan with the tubular body 34 of the fan 30 and the opening / closing stopper 52 of the core member 50 connected, the air exhausted from the roof space S becomes the core member. It is supplied to the inside of 50, and the negative pressure state of the roof space S is always maintained, and the air inside the core material 50 is also constantly maintained in a filled state. Therefore, the shape of the roof curtain 20 is always kept in a beautiful state.

Further, in the present invention, the fan 30 is used as an air supply fan, and a part of the air supplied from the outside to the roof space S by driving the fan 30 is simultaneously supplied into the core member 50. It may be configured.

When this configuration is adopted, as shown in FIG. 18, a cylinder 35 with a branch passage is attached to the ventilation hole 31A inward, and the branch passage 35A of the cylinder 35 is attached. The connecting hose 6 may be connected to the opening / closing stopper 52 of the core material 50 from above. In this case, the opening / closing stopper 52 of the core member 50 is not protruded to the outside and is located in the roof space S, and the branch passage 35 A and the opening / closing stopper 52 are connected in the roof space S. Configuration.

As described above, when the fan 30 is driven as an air supply fan in a state where the branch passage 35 A provided in the fan 30 and the opening / closing stopper 52 of the core member 50 are connected, from the outside to the roof space S. Part of the supplied air is simultaneously supplied into the core material 50, and the positive pressure state of the roof space S is constantly maintained.

0 The air inside is always kept in a charged state. Therefore, the shape of the roof curtain 20 is always kept in a beautiful state. Further, in the present invention, as shown in FIG. 19, a configuration in which the support tube 15 is disposed in the roof space S can also be suitably adopted.

In this case, as shown in Fig. 20, for example, the support tube 15 is not attached to the side surface 14 of the main body 2A, but is welded or bolted to the spread beam 11 or the support gutter 12 constituting the ceiling frame. It is attached by strong fixing means such as. When installing the roof curtain 20, the roof curtain 20 may be mounted so as to cover the support tube 15, and then the fan 30 may be driven. In this case, the roof curtain 20 is Since it is held by the top of the support tube 15, the bow I string 26 may not be provided, but in order to adjust the shape of the top of the curtain roof, as shown in Fig. 21, the left and right support tubes 15 It is preferable that the string 70 be provided with a predetermined slack therebetween.

It is preferable that the fan 30 be driven at all times. However, the fan 30 may be stopped after being driven for a predetermined time or may be driven intermittently.

In the illustrated example, the main body 2A of the building 2 is formed in the shape of a rectangular parallelepiped. However, the shape is not limited to this, and may be a cubic shape or a circular dome-shaped main body 2A. Regarding the shape of the curtain, a mountain shape suitable for rainwater flow, such as a triangle, a hemisphere, or a kamaboko shape, can be appropriately selected.

Further, the sealing means for attaching the margin for mounting the ceiling curtain 20 and the roof curtain 18 to the main body 2A is not limited to the above structure, and may be other sealing means. Further, the mounting position of the fan 30 is not limited to the illustrated example, and may be configured to be mounted on the front sheet 21 or the rear sheet 22. Industrial applicability

In the curtain roof structure according to the present invention, since the roof and the ceiling are formed by the curtain, the structure is simple, the workability is excellent, and the construction cost can be reduced. It has excellent durability against earthquakes and can be widely applied to buildings with a large floor area, such as gymnasiums and exhibition halls.

Claims

The scope of the claims

1. A building composed of a planar ceiling curtain (18) constituting the ceiling of the building (2) and a mountain-shaped roof curtain (20) arranged above the ceiling curtain and constituting the roof of the building. A roof structure, wherein the ceiling curtain and the roof curtain are made of a non-breathable sheet, and the periphery is fixed to a periphery of an upper edge of the building body (2A), and the roof curtain is supported in a mountain shape by a support member. A closed space is formed between the ceiling curtain and the interior space, and the inside of the closed space is always kept at a positive pressure or a negative pressure than the atmospheric pressure. (5 0) A curtain roof structure characterized by being provided.

2. The ceiling curtain or the roof curtain is provided with exhaust means for exhausting air in the closed space, and is configured to supply the air exhausted by the exhaust means to the inside of the core. 3. The curtain roof structure according to claim 1, wherein:

3. An air supply means for supplying air from the outside to the enclosed space is attached to the ceiling curtain or the roof curtain, and a part of the air supplied by the air supply means is supplied to the inside of the core material. 3. The curtain roof structure according to claim 1, wherein the curtain roof structure is configured to perform the following.

4. The curtain roof structure according to any one of claims 1 to 3, wherein the support member is configured to be located inside a closed space.

5. The method according to any one of claims 1 to 4, wherein the core comprises a bag-shaped portion provided by folding an end of a sheet constituting a roof curtain. Curtain roof structure.