JPH10159234A - Roof unit of wooden building, roof structure using it, and construction method - Google Patents

Abstract

(57) [Summary] [PROBLEMS] A roof unit of a wooden building, a roof structure using the same, and a construction method therefor, enabling safe, simple, and quick assembly of the roof structure of a wooden building. Can be shortened. SOLUTION: A roof unit 1 composed of a roof plate 2 and a plurality of rib plates 3a and 3b for reinforcing the roof plate 2 is produced, and a roof unit 1 having a shape and a number necessary for building a roof structure is carried into a site. . After placing each roof unit 1 at a predetermined position on the upper part of the building frame, the roof unit 1 and the building frame, and the adjacent roof units 1 are tightened with bolts to obtain a roof structure. Thus, the roof structure can be constructed safely and easily without requiring the assembly of the hut assembly on the shaft assembly.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof structure of a wooden building, a method of constructing the same, and a method of constructing a wooden building using the construction method, and more particularly to a technique for simplifying the construction of a roof structure. It is about.

[0002]

2. Description of the Related Art Conventionally, as a roof structure of a wooden building constructed by a conventional framing method, a Japanese hut structure composed of a hut, a bundle, a barn, a main building, a bar and the like has been known. In addition, the roof structure of a wooden building constructed by the so-called two-by-four construction method includes a roof beam method,
There are known a slack type, a truss type, and a bundle type.

[0003]

However, the roof structure of a conventional wooden building as described above is composed of a number of hut assembly members such as a bar, a ceiling joist (or a ceiling beam), a purlin, and a bundle. Therefore, the number of man-hours is large, and advanced technology is required for assembling each member. Furthermore, assembling the hut is dangerous because it is performed on the building, and the structural strength of the hut,
Since the construction has to be made in consideration of the ceiling load and the like, the construction requires skill and it has been difficult to assemble quickly. Also, since the assembling of the hut assembly is performed on site, the construction period on site is long.

The present invention has been made to solve the above-mentioned problems, and it is possible to assemble a roof structure of a wooden building safely, easily, and quickly, and to shorten a construction period. It is an object of the present invention to provide a roof unit, a roof structure using the same, and a construction method thereof.

[0005]

In order to achieve the above object, a roof unit according to the first aspect of the present invention is a roof unit constituting a roof structure of a wooden building, and includes a roof unit in a vertical direction and a horizontal direction. It has a partition wall-shaped rib plate crossed and assembled, the upper edge of the rib plate is formed in a shape corresponding to the roof top shape, and the roof plate is placed along this upper edge. .

In the above construction, the upper edge of the partition-like rib plate assembled so as to cross each other in the vertical direction and the horizontal direction is formed in a shape corresponding to the roof top shape, and the roof plate is formed along the upper edge. Is placed. Therefore, the roof plate functions as a field plate, and the rib plate reinforces the roof plate and performs functions such as bundling and slacking.Therefore, connecting a plurality of the roof units and assembling them to the roof construction part of the building. Thereby, it can function as a roof structure. Therefore, a bunch,
Even if you do not assemble the hut set with the ground,
The roof structure can be easily and quickly assembled.

A roof unit for a wooden building according to the invention according to claim 2 is the roof unit for a wooden building according to claim 1, wherein the rib plate and the roof plate are plywood,
It is made of any material of iron, paper, and plastic.

In the above configuration, since the rib plate and the roof plate are made of any one of plywood, iron, paper, and plastic, the manufacture of the roof unit can be performed more easily. Further, in the case of being made of plastic, it can be formed integrally by injection molding or the like, so that it can be more easily manufactured.

According to a third aspect of the present invention, there is provided a roof unit for a wooden building according to the first or second aspect, wherein the rib plate has a portion other than an intersection. Are formed with openings.

[0010] In the above configuration, since the opening is formed in a portion other than the portion where the rib plates intersect with each other, it is possible to easily perform the work when connecting the roof units or when attaching the roof unit to the building frame. it can.

The roof structure of a wooden building according to the invention according to claim 4 includes a partition wall-shaped rib plate which is assembled so as to cross each other in a vertical direction and a horizontal direction, and the upper edge of the rib plate has an upper edge. A plurality of roof units formed in a shape corresponding to the roof top surface shape and on which a roof plate is mounted along the upper edge are mounted on a skeleton of a building, and the roof unit and the skeleton, and the roof unit It is configured such that they are fixedly fastened together by bolting or / and nailing.

In the above structure, a plurality of the roof units are mounted on the frame of the building, and the roof unit, the frame, and the roof units are tightly fixed by bolting or / and nailing. Because it is a configuration, there is no need to assemble roof bundles, sagging, field boards, etc., and it is simple and
You can quickly assemble the hut.

According to a fifth aspect of the present invention, there is provided a method for constructing a roof structure of a wooden building, comprising a partition wall-shaped rib plate which is assembled so as to cross each other in a vertical direction and a horizontal direction. Forming the top edge into a shape corresponding to the roof top shape, assembling a roof unit on which a roof plate is placed along the top edge on the ground, and placing a plurality of roof units on the framework of the building Fixing the roof unit, the skeleton, and the roof unit together by bolting or / and nailing.

In the above structure, the step of assembling the roof unit on the ground, placing the plurality of roof units on a framework of a building, and bolting and / or nailing the roof unit, the framework, and the roof units to each other. Since the method includes a step of fastening by hitting or the like, it is not necessary to assemble a roof bundle, a slack, a field board, or the like on the framework, and the shed assembly can be assembled safely, easily, and quickly.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A roof unit of a wooden building according to an embodiment of the present invention, a roof structure using the same, and a construction method thereof will be described below with reference to the drawings. FIG.
Is a perspective view of the roof unit, and FIG. 2 is an exploded perspective view of a part of the roof unit. A plurality of roof units 1 are mounted on a roof structure construction site of a building framework, and function as a roof structure of a building by being tightly connected to the framework and an adjacent roof unit 1. The roof unit 1 is a shingle 2 made of a structural plywood, also made of a plywood for a structure, and a rib plate 3a longitudinally coupled to a lower portion of the shingle 2 to reinforce the shingle 2, and a width direction. And a rib plate 3b coupled to the ribs 3b. As shown in FIG. 1, the roof plate 2 is reinforced with a plurality of ribs 3a, 3b in the form of a partition wall, and the roof plate 2 is connected to the rib plates 3a, 3b by nailing, pinning, or the like. The method is performed in such a manner that a sufficient yield strength is obtained. With such a configuration, the roof plate 2 functions as a ground plate and a rafter, and the rib plates 3a and 3b function as a roof bundle and a rafter.

As shown in FIG. 2, the rib plate 3a and the rib plate 3b are provided with an opening 5 at a portion other than the intersection of the rib plate 3a and the rib plate 3b. ). Further, the lower part of the roof unit 1, that is, the rib plate 3
No plate material or the like is attached to the lower part of a and 3b. With such a configuration, the roof unit 1 can be easily attached using the opening 5.

The connection between the rib plate 3a and the rib plate 3b will be described with reference to FIGS. FIG. 3 is a perspective view showing the rib plates 3a and 3b before assembly. The rib plates 3a and 3b are provided with notches 6 in the width direction.
a, 3b are inserted into the notches 6 to form the rib plate 3
a and the rib plate 3b. This connection is fixed with nailing, pinning, adhesive or the like. The roof unit 1 shown in FIG. 1 merely shows one unit when the entire roof structure is divided into a plurality of units, and the roof unit 1 has various shapes.
Are assembled to form the entire roof structure.

Next, the assembly of the roof structure will be described with reference to FIGS. 4 to 6 are diagrams showing step by step the construction of a roof structure according to the present construction method. FIG. 4 shows a case in which a plurality of roof units 1 are mounted on beams 23 of a frame (a building unit 20 in FIG. 11) described later. 5 shows a state before the roof unit 1 is mounted on the beam portion of the frame, and FIG. 6 shows a state in which the mounting of the roof unit 1 on the frame has been completed. FIG. 7 is a diagram showing a relative positional relationship between the roof unit 1 and the framework of the building unit after the roof structure is assembled,
8 is a simplified view of a cross section taken along line AA ′ of FIG. 7, and FIG.
3 is a simplified cross-sectional view taken along line BB ′ of FIG. To assemble the roof structure, as described above, a plurality of roof units 1 are mounted on a frame composed of a plurality of building units, and each roof unit 1
And the beams 23 on the upper part of the building unit and the adjacent roof units 1 are bolted together and fastened by nailing or the like.

The assembly of the roof structure will be described more specifically.
The required number and shape of the roof units 1 for constructing the roof structure are carried into the site (see FIG. 4), and are mounted on the upper part of the building unit frame using a crane or the like (see FIG. 5). ). Then, after placing each roof unit 1 at a predetermined position (see FIG. 7), the ribs 3a, 3b of each roof unit 1 and the beam 23 above the building unit, and the ribs 3a, 3b of each adjacent roof unit 1 are connected to each other. Are tightened with bolts and nails to complete the roof structure (see FIG. 6). Note that this fastening is not limited to bolting and nailing, and any other fixing method may be used as long as the required strength is obtained. The shape of each roof unit 1 is formed such that the shape after assembling as a roof structure becomes a desired roof shape such as a ridge roof, a gable roof, and the like. ing.

Here, a description will be given of a wooden building construction method to which the roof unit 1 as described above is applied. FIG. 10 is a side view showing the attachment of the floor panel for the present method to the foundation. The foundation 10 is preferably made of reinforced concrete so as to be structurally safe and secure. A panel support 11 for holding a panel constituting a floor set is provided on the inner side surface of the building. The floor panel 13 for this method has a structure in which a plurality of bars 13b are attached between the surface boards 13a (FIG. 10).
Structural plywood is used for both the surface board 13a and the crosspiece 13b. The floor group is formed by placing and fixing the floor panel 13 on the panel receiver 11. As a result, assembling the floor set only requires attaching the floor panel 13 to the panel receiver 11. The floor panel 13 has a floor bundle 1 at a substantially central lower portion.
4 and the panel support 11. Panel support 11
Are provided so that the height of the base 15 and the floor panel 13 are the same.

Next, a building unit to which the present method is applied will be described. FIG. 11 is a perspective view showing a building unit used in the present construction method and an example of its arrangement, and illustration of a wall portion is omitted. Building unit 2 for building frame and wall
Numeral 0 is composed of horizontal members such as a base 15, pillars 21 at corners, studs 22, wall materials (not shown), beams 23, and the like, and these are assembled at a facility such as a factory other than a construction site. The size of the building unit 20 is not particularly limited, but is set to a size that can have a certain strength and a size that can be easily carried into a construction site from a factory or the like. A plurality of building units 20 having the same shape are produced, and a plurality of building units 20 are arranged on the foundation 10 at a construction site, and the base 15 is fixed to the foundation 10 with anchor bolts or the like. Then, the building units 20 are arranged vertically or horizontally and connected to each other, and the building units 20 are tightly connected to each other. The building framework is then formed by building a roof structure thereon. In FIG. 11, the building unit 2
0 is the base 15, pillar 21, beam 2 of the adjacent building unit
3 is shown. Building unit 2
0 is transported to the site with the wall attached,
When the shape of the building is complicated, the building unit 20 in which only the frame is assembled may be carried in, and a wall may be attached to the building unit 20 at the site.

All the structural units and structural members used in the method according to the present invention are, in principle, all produced and processed in factories and the like and then brought to the construction site. Therefore, there is no need for an on-site processing of the structural member. At the site, the base 1 of the floor panel 13
5, the installation of the building unit 20, and the mounting of the roof unit 1 are performed to assemble the building structure.

The present invention is not limited to the configuration of the above embodiment, and various modifications are possible. In the above embodiment, the material of the roof unit 1 is plywood. However, the material is not limited to plywood. For example, the roof unit 1 may be made of any of iron, paper, plastic, and the like.
In this case, when made of iron, the strength is excellent, and when made of paper, the cost is excellent. When made of plastic, since it can be integrally molded, the roof unit 1 can be manufactured easily and easily, and a fire resistant structure can be obtained by applying cement to the surface of the plastic material. In the above embodiment, the roof plate 2 of the roof unit 1 is reinforced by a plurality of rib plates 3a, 3b. However, if the roof load and the horizontal force can be processed, the rib plates 3a, 3b are provided. Can be changed as appropriate.

Further, in the above embodiment, only the structural part of the roof is constructed by assembling the plurality of roof units 1, but the roof sheet 2 is subjected to the attachment and processing of a waterproof material and a roof surface material. By assembling a roof structure using a plurality of the roof units 1, it is not necessary to perform a surface treatment on the roof after assembling the roof structure, and it is possible to improve the work efficiency of roof part construction.

[0025]

As described above, according to the roof unit according to the first aspect of the present invention, the shape of the upper edge of the rib plate is formed in accordance with the shape of the roof top surface, and the roof plate is mounted along the roof edge. Because it is placed, the roof slab functions as a field board,
The rib plate reinforces the roof plate and fulfills functions such as roof bundling and sagging. Therefore, by connecting a plurality of the roof units,
By assembling to the roof construction part of the building, it can function as a roof structure. Therefore, the roof structure can be easily and quickly assembled without assembling a hut assembly using a bundle, a slack, a field board, or the like.

According to the roof unit of the invention, the rib plate and the roof plate are made of plywood, iron, paper,
Because it is composed of any plastic material,
The cost or strength of the roof unit can be reduced. In particular, if it is made of plastic,
Since it can be integrally formed by injection molding or the like, it can be easily manufactured.

Further, according to the roof unit of the invention, since the opening is formed in the rib plate,
By using this opening, it is possible to easily perform the work of binding the roof units and attaching the roof unit to the building frame.

According to the roof structure of the present invention, a plurality of the roof units are mounted on a frame of a building, and the frame and the roof units are bolted and / or nailed together. Because it is a configuration that is tied and fixed with
It is possible to easily and quickly assemble a hut set without assembling a roof bundle, a slack, a field board or the like. Therefore, the work efficiency can be improved and the construction period can be shortened.

According to a construction method of a roof structure according to the invention of claim 5, a step of assembling the roof unit on the ground, and mounting a plurality of roof units on a framework of a building, And fixing the frame and the roof unit together by bolting and / or nailing together, so that the roof bundle, the slack, the field board and the like can be easily assembled on the frame. In addition, the hut can be quickly assembled. Therefore, work safety and efficiency are high, and the construction period can be shortened. Further, even a large-area roof can be constructed in a short time.

[Brief description of the drawings]

FIG. 1 is a perspective view of a roof unit according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of a part of the roof unit.

FIG. 3 is a perspective view showing a state before assembly of a rib plate constituting the roof unit.

FIG. 4 is a diagram showing a state before a plurality of roof units are mounted on beams of a frame (building unit).

FIG. 5 is a diagram showing a state in which a roof unit is placed on a beam part of a frame.

FIG. 6 is a view showing a state in which the mounting of the roof unit on the frame is completed.

FIG. 7 is a diagram showing a relative positional relationship between a roof unit and a frame unit of a building unit after the roof structure is assembled.

8 is a simplified cross-sectional view taken along line A-A 'of FIG.

9 is a simplified cross-sectional view taken along line B-B 'of FIG.

FIG. 10 is a side view showing attachment of a floor panel to a foundation.

FIG. 11 is a diagram showing a building unit in which illustration of a wall is omitted and an example of its arrangement.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Roof unit 2 Roof board 3a, 3b Rib board 5 Opening

Claims (5)

[Claims] 1. A roof unit constituting a roof structure of a wooden building, comprising: a partition wall-shaped rib plate which is assembled so as to cross each other in a vertical direction and a horizontal direction, and an upper edge of the rib plate has a roof upper surface shape. A roofing unit for a wooden building, wherein the roofing unit is formed in an appropriate shape and a roof plate is placed along the upper edge. 2. The plywood, iron,
The roof unit of a wooden building according to claim 1, wherein the roof unit is made of any one of paper and plastic. 3. The wooden building roof unit according to claim 1, wherein an opening is formed in the rib plate at a portion other than the crossing portion. 4. A roof structure of a wooden building, comprising: a partition wall-shaped rib plate which is assembled so as to cross each other in a vertical direction and a horizontal direction, and an upper edge of the rib plate is formed in a shape corresponding to a roof top shape. A plurality of roof units on which a roof plate is placed along the upper edge are placed on a framework of a building, and the roof unit, the framework, and the roof units are bolted or / and nailed together. A roof structure of a wooden building, wherein the roof structure is a structure fixed by being tightly connected. 5. A method for constructing a roof structure of a wooden building, comprising: a partition wall-shaped rib plate which is assembled so as to cross each other in a vertical direction and a horizontal direction, and an upper edge of the rib plate is formed into a roof top shape. A step of assembling on the ground a roof unit on which a roof plate is mounted along the upper edge, and a plurality of the roof units are mounted on a frame of a building, and the roof unit and the And fixing the frame and the roof units by bolting and / or nailing together. 2. A method of constructing a roof structure of a wooden building, comprising: