JP2003013539A - Roof structure of building and roof construction method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a roof structure of building and roof construction method capable of improving the freedom in planning. SOLUTION: In this roof structure of building formed by juxtaposing two or more roof panels, a daylighting opening part is formed extending over at least two adjacent roof panels 10A. A skylight can be provided on the opening part, consequently, the skylight can be provided in an optional position of the roof, and the room assignment under the roof can be freely determined to improve the freedom in planning.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a building roof structure and a roof construction method.

[0002]

2. Description of the Related Art Conventionally, as a building such as a house, a prefabricated building in which members such as columns, walls, and roofs are produced in advance in a factory and assembled on site has been popular. As such a prefabricated building, for example, a box-shaped unit system in which a box-shaped building unit in which a light-weight steel frame is used as a main material to form a steel frame is laminated at the site, or a timber / glued timber frame is used as a plywood panel. A wooden panel system is often used in which wooden panels having floors, ceilings, wall surfaces, etc. are assembled and built at a construction site by using the above. The roof of such a prefabricated building is often constructed by sequentially arranging a plurality of roof panels each having a predetermined width. Then, the roof panel is formed, for example, by attaching a roof surface material to the surface of a rectangular frame body. In addition, a top light, a dormer, or the like may be provided as a lighting unit on the roof of the building. In this case, the top light etc. must be firmly attached, so
It is housed and installed in one roof panel.

[0003]

By the way, the width and size of the roof panel are manufactured in accordance with the prescribed dimensions, and the roof is constructed by sequentially arranging them. At this time, the roof panels are arranged side by side regardless of the room layout below the roof. However, in the case where the roof is provided with a daylighting portion such as the toplight as described above, since the toplight and the like are provided on one roof panel, there is a problem that the room allocation below the roof is restricted. That is, since the position of the top light of the roof panel is fixed, the room under the roof must be made to correspond to the position of the top light, and as a result, the degree of freedom in planning is restricted.

An object of the present invention is to provide a roof structure for a building and a roof construction method capable of improving the degree of freedom in planning.

[0005]

The invention according to claim 1 will be described with reference to the drawings. As shown in FIGS. 1 and 3, a plurality of roof panels 10 and 10A are arranged in parallel. At least 2 adjacent to each other in the roof structure of the building
Opening 2 for lighting over the two roof panels 10A
It is a roof structure of a building characterized by the formation of 0A. In the present invention as described above, since the opening formed over at least two adjacent roof panels is used for daylighting, a top light or the like can be provided in the opening. As a result, since the top light or the like can be provided at any position on the roof, the room allocation under the roof can be freely determined, and the degree of freedom in planning is improved.

In the present invention as described above, it is preferable to provide a top light, a dormer, or the like in the lighting opening.
In addition, the two adjacent roof panels are not limited to being adjacent to each other in the direction of the building's girder. But it's okay. Further, the position of the opening over the two adjacent roof panels may be anywhere such as the upper side, the lower side and the central part of the roof panel, and the size may be freely formed according to the size of the top light to be mounted. Also, 2 adjacent to the opening
The proportion of one roof panel is not limited, and it may be determined according to the room. In addition, a building to which such a roof structure is applied is, for example, a unit type building in which a plurality of building units having a frame structure having columns and beams produced in a factory in advance are assembled on site, and a wooden panel is combined. Any building may be used as long as it uses roof panels, such as a building constructed by a panel method.

The invention according to claim 2 is, as shown in FIG. 3, in the roof structure of the building according to claim 1, wherein the opening 20A is provided with a top light 20 of the building. To do. In the present invention as described above,
Since the top light and the like are provided over the two roof panels, the room allocation under the roof can be freely determined, and the degree of freedom in planning is improved.

According to a third aspect of the present invention, as shown in FIG. 2, each roof panel 10A includes a frame 11 and the frame 1.
1 and a roof panel 12 attached to the surface of the roof panel 1 and the openings 20A are adjacent to each other.
13A of the external constituent members facing each other are cut out, and at each end facing the cutout portion 17 of the external constituent member 13A, the internal constituent member 14 extends inside the frame 11 and extends.
Is provided in the space surrounded by the core material 16 and the internal constituent member 14.

In the present invention as described above, the notch portion is formed in the space surrounded by the facing core material and the internal constituent member. However, the periphery of the notch portion is frame-shaped by the core material and the internal constituent member. Since it has a high strength, it can be used as a base frame for a toplight or the like. Therefore, a top light or the like can be easily attached.

The invention according to claim 4 is a roof construction method for a building in which a plurality of roof panels 10 are arranged in parallel to form a roof, as shown in FIGS. The roof panel 10 is configured to include a frame 11 and a roof panel 12 that is attached to the surface of the frame 11.
At least two roof panels 10A in which the notches 17 are formed in a part of the frame body 11 are provided side by side so that the notches 17 face each other on site, and two notches are provided by each notch 17. While forming an opening 20A for lighting over the roof panel 10A, adjacent roof panels 10A are joined together by a joining member 19, and thereafter,
In the method of constructing a roof of a building, the top light 20 of the building is provided in the lighting opening 20A.

According to the present invention as described above, if the roof panels having the notches formed in a part of the frame are joined with the notches facing each other, an opening extending over the two roof panels can be formed. Therefore, the opening for the top light can be easily formed.

As shown in FIG. 2, the invention according to claim 5 is a method for constructing a roof of a building according to claim 4, wherein the notch portion 17 is a temporary member for preventing deformation of the notch portion 17. A beam 18 is provided, and this temporary beam 18 is
One roof panel 10A is provided next to each other and then removed, and then the adjacent roof panels 10A are joined together by a joining member 19.

According to the present invention as described above, since the temporary beam is provided in the notch portion and the temporary beam serves as a reinforcement, the notch portion is not deformed during transportation of the roof panel, and as a result, 2
When joining two roof panels, the notches can be smoothly aligned with each other, which facilitates the joining.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, a unit-type building 1 is shown. The unit-type building 1 includes a plurality of lower-floor building units 2, a plurality of upper-floor building units 3 placed on the lower-floor building units 2, and a roof 4 provided above the upper-floor building units 3. It is built in combination with.

The building units 2 and 3 are not shown,
It is equipped with four pillars that are erected at the four corners, and a framework having four upper beams and lower beams that connect between the upper ends and between the lower ends of these pillars. Installed, such building units are prefabricated in the factory. The roof 4 is configured by arranging a plurality of roof panels 10 formed by adhering a roof surface material to a frame body, and the roof panels 10 are also manufactured in advance in a factory.

The roof 4 of the unit type building 1 as described above is provided with a top light 20 which is a daylighting section.
This top light 20 is located near the eaves of the building,
It is provided over the roof panels 10A, 10A. In addition to the top light 20, the roof 4 is also provided with a dormer 25 for daylighting.

As shown in FIG. 2, the roof panel 10A is
It is configured to include a panel frame 11 that is a frame body, and a roof panel 12 that is attached to the surface of the panel frame 11.
The panel frame 11 is formed by bridging a plurality of vertical structural members 14 and horizontal structural members 15 that are internal structural members on an outer structural member 13 that is an external structural member. The outer structural member 13 includes a vertical member 13A and a horizontal member 13B.
It consists of and. These vertical members 13A and horizontal members 1
3B is, for example, made of lightweight tongue-and-groove steel,
4, the horizontal rail 15 is also formed of the same member as the vertical member 13A or the like, or wood having a quadrangular cross section.

A notch 17 is formed in each of the two adjacent roof panels 10A, 10A on the opposite sides of the panel frame 11 and on the side of the building. As shown in FIG. 1, the cutout portion 17 cuts a part of the vertical member 13A of the outer frame 13, and each end of the vertical member 13A facing the cutout portion 17 has an inner side of the panel frame 11. And a space surrounded by the core piece 16 and the vertical crosspiece 14 and extending to the vertical crosspiece 14 and connected to the vertical crosspiece 14. When the two roof panels 10A, 10A are arranged side by side, the notches 17, 15 facing each other form an opening 20A for the top light 20. The core member 16 is formed of the same member as the vertical member 13A and the horizontal member 13B. Further, the roof surface material 12 attached to such a roof panel 10A is also cut out in accordance with the cutout portion 17.

The cutout portion 1 of such a roof panel 10A
In FIG. 7, in order to prevent deformation of the cutout portion 17 during transportation, a vertical member 13 that has been cut is provided as shown by a phantom line in FIG.
A temporary beam 18 is hung between the ends of A. This temporary beam 18 is used for two roof panels 10A, 1 at a construction site.
OA is attached after being supported by a bundle or a roof panel support tool, and then removed.

Two roof panels 1 with temporary beams 18 removed
As shown in FIG. 3, the 0A and 10A are joined and joined by a joining member 19 hung between the ends of the cutouts 17. The joining member 19 is formed of, for example, two rectangular plate members, and the two roof panels 10 are provided.
It is formed so that the ends of A and 10A are sandwiched and joined by bolting. When the two roof panels 10A and 10A are joined together, the notch 17 forms the opening 20A for the top light, and the respective core members 16, a part of the vertical rails 14, and the joining members. The base frame 23 for mounting the toplight is constituted by 19 or the like. The roof panel 10 has the same structure as the roof panel 10A in which the cutout portion 17 is not formed.

The dormer 25 has a structure as shown in FIG. That is, the dormer 25 is the roof frame 2
The dome portion frame body 30 provided in FIG. 6 is provided, and the roof portion frame body 26 is provided along the roof surface. The roof part frame 26 is formed to have substantially the same width and length as the roof panel 10, and is formed by providing a plurality of horizontal rails 28 on an outer frame 27 composed of a vertical member 27A and a horizontal member 27B. There is. Further, on the upper surface of the roof part frame body 26, the roof surface material 1
2 is attached. The dormer portion frame 30 is formed to include a rising portion 31 and a dormer roof portion 32. The rising portion 31 is appropriately provided with a wall member (not shown), and a window or the like is provided at a portion facing the eaves. Further, the dormer roof portion 32 is appropriately provided with a roof surface material.

Next, a method of constructing the roof 4 of the building using the roof panel 10 and the roof panels 10A and 10A as described above will be described. A plurality of lower floor and upper floor building units 2 and 3, roof panels 10 and 10 produced in advance in a factory
Transport A etc. to the construction site by truck. At this time, the two roof panels 10A, 1 to which the top light 20 is attached
A temporary beam 18 is attached to each notch 17 of 0A. Place and fix the lower-floor building units 2 on the foundation one by one, and connect adjacent building units 2 together,
The upper floor building unit 3 is placed on the lower floor building unit 2 and connected to each other, and the upper floor building units 3 are connected to each other by a connecting plate.

After that, the roof panel 10 is placed and fixed on the upper-floor building unit 3 in sequence. At this time, the two roof panels 10A and 10A to which the top lights are attached are respectively arranged at predetermined positions, and then the respective cutouts 1 are formed.
The temporary beam 18 hung over 7 is removed.

Next, the adjacent roof panels 10A and 10A
A joint member 19 is laid between the end portions of the two facing the notches 17 to join the roof panels 10A and 10A. Then, a predetermined top light 20 is attached to the openings 20A formed by the notches 17 of the adjacent roof panels 10. Further, the dormer 25 is mounted by mounting the roof side frame body 26 at a predetermined position.

According to such an embodiment, the following effects can be obtained. (1) Since the opening 20A is formed over the two adjacent roof panels 10A, 10A and the toplight 20 is provided in this opening 20A, it becomes possible to provide the toplight or the like at any position on the roof. ,as a result,
The room allocation under the roof can be freely determined, which improves the degree of freedom in planning.

(2) The notch 17 is formed in the space surrounded by the opposing core member 16 and a part of the vertical bar 14,
When the two roof panels 10A and 10A are joined by the joining member 19, the notch 17 has a frame-like shape around the core material 16, a part of the vertical rails 14 and the joining member 19, so that the strength is strong, The base frame 23 for a top light or the like can be used. Therefore, the top light 20 and the like can be easily attached.

(3) In the notch 17, two roof panels 10A, 1 are provided between the ends of the cut vertical member 13A.
Since the temporary beam 18 is hung until the 0A is assembled, the notch 17 can be prevented from being deformed during transportation, and the notches 17 can be joined to each other when the two roof panels 10A and 10A are joined. Can be smoothly matched and the two panels 10A and 10A can be easily joined.

(4) The two roof panels 10A, 10A having the cutouts 17 are formed on the site by the cutouts 17
Since it is possible to form the opening 20A for the top light 20 simply by facing each other and joining them, the opening 2
It is easy to form 0A. (5) The dormer 25 is provided with the dormer frame 30, which has the same structure and size as the roof panel 10 and is integrally formed with the roof rim 26 constituting the roof 4. If the roof side frame 26 is attached, the dormer 25 is also attached, and the dormer 25 is easily attached.

The present invention is not limited to the above-mentioned embodiment, but may be modified as follows as long as the object of the present invention can be achieved. For example,
In the above-described embodiment, the toplight 20 is provided at one location on the roof 4, but the invention is not limited to this, and in addition to the toplight 20, for example, on the opposite side of the dormer 25 across the building ridge. You may provide in multiple places, such as providing.

Further, in the above-mentioned embodiment, the unit type building 1 constructed by combining a plurality of building units 2 and 3 produced in the factory in advance at the construction site is used, but the roof structure of the present invention is made of wood. It can also be applied to a building with a panel construction method that is constructed by combining panels.

Further, in the above embodiment, the opening 20A for providing the toplight 20 is formed over the roof panels 10A, 10A adjacent to each other in the lateral direction of the building, but not limited to this. For example, in the case of a roof in which a plurality of roof panels are arranged side by side in the girder direction of a building, an opening extending between the roof panels adjacent in the girder direction may be formed. Further, the opening 20A is formed near the ridge of the roof panels 10A and 10A, but the position may be near the eaves or at the center.

In the above embodiment, the dorma 25 is
Although it is provided integrally with the roof part frame 26 having the same size as the roof panel 10 and the like, the invention is not limited to this, and the dome part frame 3
As in the case of the opening 20A, 0 may be provided in the dome opening formed over the adjacent roof panels 10, 10.

[0033]

As described above, according to the first aspect of the invention, since the opening formed over at least two adjacent roof panels is used for daylighting, the toplight or the like is provided in the opening. Can be provided. As a result, since the top light or the like can be provided at any position on the roof, the room allocation under the roof can be freely determined, and the degree of freedom in planning is improved.

According to the second aspect of the present invention, since the top light and the like are provided over the two roof panels, it is possible to freely determine the room allocation under the roof, and the degree of freedom in planning is improved.

According to the third aspect of the present invention, the cutout portion is formed in the space surrounded by the facing core material and the internal constituent member. However, the periphery of the cutout portion is formed by the core material and the internal constituent member. Since it has a frame shape, it has high strength, and thus it can be used as a base frame for a toplight or the like. Therefore, a top light or the like can be easily attached.

According to the fourth aspect of the present invention, when the roof panels having the notches formed in a part of the frame body are joined with the notches facing each other, an opening extending over the two roof panels is formed. Therefore, it is easy to form the opening for the top light.

According to the fifth aspect of the present invention, since the temporary beam is provided in the cutout portion and the temporary beam serves as a reinforcement, the cutout portion is not deformed during transportation of the roof panel, etc. ,
When joining two roof panels, the notches can be smoothly aligned with each other, which facilitates joining.

[Brief description of drawings]

FIG. 1 is an overall perspective view showing a unit-type building according to an embodiment of the present invention.

FIG. 2 is a front view showing adjacent roof panels of the embodiment.

FIG. 3 is a partial view showing a state in which adjacent roof panels of the embodiment are joined.

FIG. 4 is an overall perspective view showing the structure of the dormer of the embodiment.

[Explanation of symbols]

1 unit type building 4 roof 10 roof panels 10A Roof panel with notch 11 Panel frame that is a frame 12 roofing materials 13 Outer frame that is an external component 14 Vertical bars that are internal components 16 heartwood 17 Notch forming the opening 18 temporary beams 19 Joining member 20 top light 25 Dorma

Claims (5)

[Claims] 1. A roof structure of a building configured by arranging a plurality of roof panels in parallel, wherein a lighting opening is formed over at least two adjacent roof panels. Roof structure. 2. The roof structure for a building according to claim 1, wherein a top light of the building is provided in the opening. 3. The roof structure for a building according to claim 1 or 2, wherein each of the roof panels includes a frame body and a roof panel member attached to a surface of the frame body, and the opening is provided. Part cuts out a part of the facing external constituent members of the adjacent roof panels, and extends to the inside of the frame and is connected to the internal constituent members at each end facing the cutout portion of the external constituent members. A roof structure for a building, characterized in that a core material is provided and is formed in a space surrounded by the core material and internal components. 4. A roof construction method for a building in which a plurality of roof panels are arranged in parallel to form a roof, wherein each roof panel includes a frame body and a roof surface material attached to the surface of the frame body. Of the roof panels, at least two roof panels in which a cutout portion is formed in a part of the frame body are provided side by side so that the cutout portions face each other at the site, and each of the cutout portions provides 2 While forming an opening for lighting over two roof panels,
Join adjacent roof panels with a joining member, then
A method for constructing a roof of a building, comprising providing a top light of the building in the opening for daylighting. 5. The method of constructing a roof of a building according to claim 4, wherein the cutout portion is provided with a temporary beam for preventing deformation of the cutout portion, and the temporary beam is provided with two roof panels on site. A method of enforcing a roof of a building, characterized in that the roof panels are installed next to each other and then removed, and then adjacent roof panels are joined together by a joining member.