JP2002371661A - Roof structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a roof structure which enables easy waterproofing and effective utilization of an attic space. SOLUTION: This roof structure 13 has inclined roof surfaces 13A and 13B which are provided on a skeleton structure 12 of a building 10 and inclined in mutually opposite directions; each of the roof surfaces 13A and 13B is constituted in such a manner as to include a roof panel 16 provided integrally and continuously from a ridge part 14 to an eaves part 15; and the roof panels 16 are coupled to each other in the ridge part 14 and supported on the side of each eaves part 15 with respect to the ridge part 14 by supporting structures 34 provided in the skeleton structure 12.

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 building constructed by a prefabricated method such as a box type unit or a panel type.

[0002]

BACKGROUND ART Conventionally, there is a prefabricated construction method as a construction method for buildings such as houses. The prefabrication method is a construction method in which members are processed and assembled as much as possible at a factory in advance, and then transported and assembled at the site. According to the prefabricated construction method, most of the work conventionally performed at the construction site is performed at the factory, so that the work at the construction site is significantly reduced, and there is an advantage that a high-quality building can be built in a short time.

As such a prefabricated construction method, for example, a box-shaped unit type, a panel type and the like are known. The box-shaped unit-type building is constructed by combining a plurality of box-shaped building units manufactured in a factory at a building site.
The building unit consists of a box-shaped framework, ceiling material, floor material,
It is formed by attaching an outer wall material, a partition wall, and the like. For panel-type buildings, attach a panel to the front and back of a wooden frame,
A panel material such as a wall panel, a floor panel, and a roof panel is formed, and these panel materials are connected with a joint fitting or the like to construct the building.

By the way, as a structure of a roof portion in the prefabricated construction method, a box-shaped unit type has a structure in which a roof unit having a triangular cross section to which a roof material is assembled is connected on a box-shaped building unit on site. The panel type has a structure in which a roof panel is supported by a bundle of bundles or braces (see Japanese Patent Application No. 2000-41042).

[0005]

However, in the box-type unit type, since the size of the roofing material is formed in a shape corresponding to the planar shape of the box-shaped unit, there are many seams of the roofing material, and the waterproofing work is troublesome. I was In the panel type, a large roof panel with few seams can be used.However, since a frame of the back of the hut is required from the eaves of the roof panel to the ridge, it is difficult to effectively use the space behind the hut. there were.

An object of the present invention is to provide a roof structure that can be easily waterproofed and can effectively use the space behind a hut.

[0007]

To achieve the above object, the roof structure of the present invention employs the following configuration. The present invention will be described with reference to the drawings. A roof structure according to claim 1 is a roof structure 13 provided on a frame structure 12 of a building 10 and having inclined roof surfaces that are inclined opposite to each other. Each sloping roof surface 13A, 13B is
From the roof to the eaves 15, the roof panel being connected to each other at the ridge, and a support structure provided in the skeleton structure on the eaves side of the ridge. 34.

According to the present invention, the roof panels are connected to each other at the ridge and are supported by the support structure provided in the skeleton structure on the eaves side of the ridge. On the other hand, since the roof panel is supported by the sloped roof panel and the eaves are supported by the support structure, that is, both ends in the slope direction of the roof panel are supported, the sloped roof surface can be formed using a large roof panel. Therefore, the number of joints between the roof panels can be reduced, so that waterproofing can be easily performed. Also, at this time, since there is no need to provide a support structure behind the hut at the roof panel ridge, the space behind the hut at the roof panel ridge can be used effectively.

According to a second aspect of the present invention, there is provided the roof structure according to the first aspect, wherein the support structure includes a receiving member for supporting the eaves of the sloped roof surface, and a ridge side at a predetermined distance from the eaves. And a bundle 36 for supporting the According to the present invention, since the support structure is configured to include the receiving member and the bundle, the roof panel can be supported with a simple structure, and the cost can be saved. Further, since the roof panel is supported at two locations, that is, at the eaves and at an intermediate portion between the eaves and the ridge, the required bending strength of the roof panels can be reduced, and the manufacturing cost can be reduced.

A roof structure according to a third aspect is the roof structure according to the second aspect, wherein the support structure includes a brace 37 for connecting the receiving member and the bundle. According to the present invention, since the brace for connecting the receiving member and the bundle is provided, even when the roof panel is deformed due to an earthquake or the like, the receiving member, the bundle, and the brace integrally resist the deformation. Sufficient supporting force can be obtained with a simple framework, and costs can be saved.

A roof structure according to a fourth aspect is the roof structure according to the first to third aspects, wherein the frame structure includes a plurality of building units 20 each having a box-shaped frame 40. . According to the present invention, since the skeleton structure includes a plurality of building units, it is only necessary to install and connect the factory-built building units on site, so that the on-site work can be reduced and the building can be easily constructed. .

A roof structure according to a fifth aspect of the present invention is the roof structure according to the fourth aspect, wherein the skeleton structure includes a plurality of shed units 30 provided on the building units and having a frame-shaped frame 47, At least one of these shed units is provided with the support structure. According to the present invention, since the skeleton structure includes the plurality of hut units, the hut units manufactured in the factory need only be installed and connected on site, so that the on-site work can be reduced and the building can be easily constructed. . In addition, since the support structure is provided in at least one of the shed units, the support structure can be provided at a desired position on the frame, so that the degree of freedom in design can be improved.

According to a sixth aspect of the present invention, in the roof structure according to the fifth aspect, at least one of the building units located under the eaves is omitted from the building units, and the omitted building unit is provided. Is characterized by being supported by a building unit adjacent to a building unit located below the omitted eaves section. According to the present invention, since at least one building unit located below the eaves is omitted, the space formed by omitting this building unit can be used as a piloti, and the degree of freedom in design is improved. it can. At this time, the hut unit above the building unit located below the omitted eaves was supported by the building unit adjacent to this omitted building unit, so the building units located below the eaves were omitted. However, since it does not affect the frame structure behind the hut, the roof panel can be supported without any reinforcement, and an increase in cost can be suppressed.

According to a seventh aspect of the present invention, in the roof structure according to the fifth or sixth aspect, the frame structure includes building units located below the eaves of each of the sloped roof surfaces. At least one building unit located below the ridge of the sloped roof surface between units is omitted. According to the present invention, since at least one building unit located below the ridge is omitted,
In other words, since the building units located below the eaves are arranged with the building units located below the ridges on the sloping roof, the building units located below the ridges are omitted. The space formed by omitting the unit can be used as the atrium space,
The degree of freedom in design can be improved. Further, even when the atrium space is not provided, the floor can be formed only by providing the floor material between the building units below the eaves, so that the cost can be saved.

The roof structure according to claim 8 is the roof structure according to claim 7, wherein the shed unit above the building unit located below the omitted ridge portion is connected to the omitted building unit. It is supported by an adjacent building unit. According to the present invention, the hut unit above the building unit located below the omitted ridge is supported by the building unit adjacent to the omitted building unit, so the building unit located below the ridge is Omitting does not affect the framing of the back of the hut, so that the roof panel can be supported without any reinforcement, and an increase in cost can be suppressed.

[0016]

Embodiments of the present invention will be described below with reference to the drawings. In the following description of the embodiments, the same components will be denoted by the same reference numerals, and description thereof will be omitted or simplified. First Embodiment FIGS. 1 and 2 show a side view and an overall perspective view of a building 10 according to the present embodiment.
The building 10 is a unit-type building and includes a foundation 11, a skeleton structure 12 provided on the foundation 11, and sloping roof surfaces 13A and 13B provided on the skeleton structure 12 and inclined opposite to each other. And a gabled roof structure 13 having The skeleton structure 12 includes a first floor portion 12A formed by a plurality of building units 20 and a hut portion 12B provided on the first floor portion 12A and formed by a plurality of hut units 30. .

FIG. 3 shows the frame 4 of the building unit 20.
0 is shown. The building unit 20 includes a ceiling beam 42 and a floor beam 43 connecting upper and lower ends of pillars 41 at four corners.
Is provided. this house,
The column 41 and the ceiling beam 42 are connected via a columnar joint member 45 arranged on the columnar side of the column 41, and the column 41 and the floor beam 43.
Are connected via a column-base joining member 46 arranged on the column-base side of the column 41. As the ceiling beams 42, two types of short side ceiling beams 42A and long side ceiling beams 42B having different lengths are provided, and as the floor beams 43, short side floor beams 43A and long side floor beams 43B having different lengths are provided. Two types are provided. Further, between the opposed long side ceiling beams 42B, ceiling small beams for supporting the ceiling panel are bridged (not shown), and a floor is provided between the opposed long side floor beams 43B. A plurality of joists for supporting a floor surface material such as a particle board to be formed are bridged (not shown). FIG.
2 and FIG. 2, the building unit 20 is shown in a state in which a floor material is stuck to its frame 40.

FIG. 4 is a plan view of the first floor of the building 10. A total of four such building units 20 are arranged and connected at predetermined intervals in the beam direction and two in the girder direction. That is, consider a state in which three building units are arranged in the inter-beam direction and two in the girder direction.
This state corresponds to each of the inclined roof surfaces 13A, 13A of the roof structure 13.
The upper part in the gradient direction of B is the ridge 14 and the lower part of the gradient in the eaves 15
Then, a building unit is arranged below the ridge portion 14 of each of the inclined roof surfaces 13A and 13B, and a building unit 20 is arranged below the eave portion 15 with the building unit interposed therebetween. From this state, the building units located below the ridge portion 14 are omitted.

The hut unit 30 has a sloped roof surface 13A,
Reference hut unit 31 located on the ridge 14 side of 13B
And an eaves hut unit 32 located on the eaves 15 side of the inclined roof surfaces 13A and 13B. 5A and 5B show perspective views of the frames of the eaves hut unit 32 and the reference hut unit 31. FIG. The reference shed unit 31 includes a rectangular frame 47. The eaves shed unit 32 includes a frame 47 of the reference shed unit 31 and a support structure 34 that supports the roof structure 13 provided on the frame 47. It has. The hut units 31 and 32 are shown in FIGS.
Each is shown in a state where a floor surface material is stuck to the frame 47.

The frame 47 is formed by connecting the floor beams 43 of the building unit 20 via column-and-column connecting members 46. The support structure 34 includes two receiving members 35 provided on the column-base joint member 46 of the frame 47, and each receiving member 35
And two bundles 36 provided at a predetermined distance from each other in the direction of the short-side beam 43A, and a vertical brace 37 connecting the receiving members 35 and the bundle 36.

Returning to FIGS. 1 and 2, two such shed units 30 are arranged in the direction between the beams and three at predetermined intervals in the girder row direction, and a total of six shed units 30 are connected.
That is, the eaves hut unit 32 is arranged on the building unit 20 located below the eaves portion 15 of the inclined roof surfaces 13A and 13B, and above the omitted building units, that is, between the eaves hut units 32 A reference hut unit 31 is arranged between the huts. Therefore, in the first floor portion 12A, since the building units located below the ridges 14 of the inclined roof surfaces 13A, 13B are omitted, the reference hut unit 31 located above the omitted building units is:
The building unit 20 adjacent to the omitted building unit via the eaves hut unit 32, that is, the inclined roof surface 13
A, building unit 20 located below eaves section 15 of 13B
It is supported by.

Each sloping roof surface 13A, 13B has an integral and continuous roof panel 16 from the ridge portion 14 to the eave portion 15.
The roof panel 16 has a width dimension substantially equal to the length of the building unit 20 in the girder direction,
The ridge 14 is connected to the roof panel 16 that is inclined in the opposite direction, and is supported by the support structure 34 on the eaves 15 side of the ridge 14. Specifically, roof panel 1
6 is the support structure 34-2 at the tip of the eave portion 15;
Is supported by two receivers 35 and a predetermined distance from the eaves on the side of the ridge 14, that is, in the middle of the eaves 15 and the ridge 14,
It is supported by two bundles 36.

Next, the procedure for assembling the building 10 will be described. First, the building unit 20 and the hut unit 30 are manufactured in a factory, and then transported to a building site by a truck or the like.
At the construction site, a foundation 11 is constructed, and two building units 20 are provided on the foundation 11 at predetermined intervals in the direction between the beams.
A total of four are arranged and connected in the column direction. Thereafter, as shown in FIG. 6A, the eaves hut units 32 are arranged on each building unit 20 and connected.

Next, as shown in FIG. 6B, a reference hut unit 31 is disposed between two eaves hut units 32, and this reference hut unit 31 is attached to the eaves hut unit 32.
Connect to Subsequently, as shown in FIG. 7A, the roof panel 16 is disposed on the support structure 34 of the eaves hut unit 32, and the eaves 15 are fixed to the receiving device 35 and the bundle 36, and The ridges 14 are connected to roof panels 16 which are inclined in opposite directions. By the above operation, FIG.
As shown in FIG. 7, the building 10 is completed.

Therefore, according to the present embodiment, the following effects can be obtained. (1) The roof panels 16 are connected to each other at the ridge portion 14 and supported by the support structure 34 provided in the eave hut unit 32 of the skeleton structure 12 on the eave portion 15 side of the ridge portion. 16 ridges 14 are supported by roof panels 16 which are inclined opposite to each other, and their eaves 15
Is supported by the support structure 34, that is, both ends in the direction of inclination of the roof panel 16 are supported, so that the inclined roof surfaces 13A and 13B can be formed using the large roof panel 16. Therefore, since the seams between the roof panels 16 can be reduced, the waterproofing work can be easily performed. Further, at this time, since there is no need to provide a support structure behind the hut of the ridge 14 of the roof panel 16, the space behind the hut 14 of the roof panel 16 can be used effectively.

(2) A support 35 and a receiving device 35 and a bundle 36
, The roof panel 16 can be supported with a simple structure, and costs can be saved. In addition, roof panel 1
6 is supported at the eaves 15 and at two places between the eaves 15 and the ridge 14, the required bending strength of the roof panel 16 can be reduced, and the manufacturing cost can be reduced.

(3) Since the brace 37 for connecting the receiver 35 and the bundle 36 is provided, even if the roof panel 16 is deformed due to an earthquake or the like, the receiver 35 and the bundle 3
6. Since the brace 37 resists integrally, a sufficient supporting force can be obtained with a simple shaft assembly, and the cost can be saved.

(4) Since the frame structure 12 includes a plurality of building units 20, it is only necessary to install and connect the factory-built building units 20 on site, so that the on-site work can be reduced and the building 10 can be constructed. Can be easily constructed.

(5) Since the skeleton structure includes the plurality of hut units 30, the hut unit 3 manufactured at the factory is provided.
Since it is only necessary to install and connect the “0” on site, the on-site work can be reduced and the building can be easily constructed. Further, since the support structure 34 is provided in at least one of the hut units 30 to form the eaves hut unit 32, the support structure 34 can be provided at a desired position on the frame 47, so that the degree of freedom in design is improved. it can.

(6) Two building units located below the ridge 14 are omitted, that is, the inclined roof surface 13A,
The eaves section 15 sandwiching the building unit under the ridge section 14 of 13B
From the state in which the building units 20 under the
Since the building unit below 4 is omitted, the floor can be formed only by providing the reference hut unit 31 between the building units 20 below the eaves section 15, so that the cost can be saved.

(7) The reference hut unit 31 above the building unit located below the omitted ridge 14 is supported by the building unit 20 adjacent to the omitted building unit via the eaves hut unit 32. As a result, even if the building unit located under the ridge is omitted, it does not affect the framing of the back of the hut, so that the roof panel 16 can be supported without any reinforcement and the increase in cost can be suppressed. be able to.

[Second Embodiment] FIG. 8 is an overall perspective view of a building 50 according to this embodiment. In the building 50, the first floor portion 12A is different from the first embodiment in that the building unit 20 is located at a predetermined interval in the direction between the beams.
It is formed by arranging a total of four pieces at predetermined intervals in the column direction. That is, consider a state in which three building units are arranged in the inter-beam direction and three in the girder row direction. This state corresponds to the ridge 1 of each of the inclined roof surfaces 13A and 13B.
4, a building unit is arranged, and a building unit 20 is arranged below the eaves portion 15 with the building unit interposed therebetween. From this state, the building units located below the ridge portion 14 are omitted, and the central building unit among the building units 20 located below the eave portion 15 is omitted.

Unlike the first embodiment, the hut portion 12B is provided with a total of six hut units 30, three at a predetermined interval in the direction between beams and three at a predetermined interval in the row direction. I have. That is, the reference hut unit 31 is arranged on the central building unit omitted from the building units 20 located below the eave portion 15, and the reference hut unit 31 is disposed via the eaves hut unit 32. , Supported by a building unit 20 adjacent to the central building unit omitted.

Therefore, according to the present embodiment, the following effects are obtained in addition to the effects (1) to (7) described in the first embodiment. (8) Since the building unit located below the eaves portion 15 is omitted, the space formed by omitting this building unit can be used as pilotity, and the degree of freedom in design can be improved. At this time, the reference hut unit 31 above the building unit located under the omitted eaves section 15
Through the eaves hut unit 32,
Since it is supported by the building unit 20 adjacent to the building unit located under 5, even if the building unit located under the eaves part 15 is omitted, there is no effect on the frame behind the shed, and The roof panel can be supported without reinforcement, and an increase in cost can be suppressed.

It should be noted that the present invention is not limited to the above-described embodiment, but includes modifications and improvements as long as the object of the present invention can be achieved. For example, in each embodiment, the reference hut unit 31 is arranged between the eaves hut units 32 on the building unit 20 located below the eaves part 15, but the present invention is not limited to this. A space formed by omitting the space may be used as a stairwell space.

[0036]

According to the roof structure of the present invention, the following effects can be obtained. According to the roof structure of claim 1,
Since the roof panels were connected to each other at the ridge and supported by the support structure provided in the skeleton structure on the eaves side from the ridge, the ridges of the roof panels were supported by the roof panels inclined opposite to each other. Since the eaves are supported by the support structure, that is, both ends of the roof panel in the gradient direction are supported, the inclined roof surface can be formed using a large roof panel. Therefore, the number of joints between the roof panels can be reduced, so that waterproofing can be easily performed. Also, at this time, since there is no need to provide a support structure behind the hut at the roof panel ridge, the space behind the hut at the roof panel ridge can be used effectively.

According to the roof structure of the second aspect, since the support structure includes the receiving member and the bundle, the roof panel can be supported by a simple structure, and the cost can be reduced. Also,
Since the roof panel is supported at the eaves and at two places between the eaves and the ridge, the required bending strength of the roof panels can be reduced, and the manufacturing cost can be reduced.

According to the roof structure of the third aspect, since the brace for connecting the receiving member and the bundle is provided, even when the roof panel is deformed due to an earthquake or the like, the receiving member, the bundle, and the brace are affected by this deformation. Since the resistors are integrally formed, a sufficient supporting force can be obtained with a simple shaft assembly, and the cost can be saved.

According to the roof structure of the fourth aspect, since the frame structure includes a plurality of building units, it is only necessary to install and connect the factory-built building units at the site. The building can be reduced and the building can be easily constructed.

According to the roof structure of the fifth aspect, since the frame structure includes a plurality of hut units, it is only necessary to install and connect the hut units manufactured in the factory on site, so that the on-site work can be performed. The building can be reduced and the building can be easily constructed. Further, since the support structure is provided in at least one of the shed units, the support structure can be provided at a desired position on the frame, so that the degree of freedom in design can be improved.

According to the roof structure of the present invention, since at least one building unit located below the eaves is omitted, the space formed by omitting this building unit is used as pilotity. And the degree of freedom in design can be improved. At this time, the hut unit above the building unit located below the omitted eaves was supported by the building unit adjacent to this omitted building unit, so the building units located below the eaves were omitted. Even
Since there is no influence on the frame behind the hut, the roof panel can be supported without any reinforcement, and an increase in cost can be suppressed.

According to the roof structure of the present invention, at least one building unit located below the ridge is omitted, that is, the building unit located below the ridge on the inclined roof surface is sandwiched. Since the building units located below the eaves section were omitted from the arrangement of the building units located below the eaves section, the space formed by omitting this building unit can be used as the atrium space. The degree of freedom in design. Further, even when the atrium space is not provided, the floor can be formed only by providing the floor material between the building units below the eaves, so that the cost can be saved.

According to the roof structure of the present invention, the hut unit above the building unit located below the omitted ridge is supported by the building unit adjacent to the omitted building unit. Even if the building unit located under the ridge is omitted, the frame of the back of the hut is not affected, so that the roof panel can be supported without any reinforcement and the increase in cost can be suppressed.

[Brief description of the drawings]

FIG. 1 is a side view showing a building according to a first embodiment of the present invention.

FIG. 2 is an overall perspective view of the building according to the embodiment.

FIG. 3 is a perspective view of a frame of the building unit according to the embodiment.

FIG. 4 is a first floor plan view of the building according to the embodiment.

FIG. 5 is a perspective view of a frame of the shed unit according to the embodiment.

FIG. 6 is a perspective view for explaining a construction procedure of the building according to the embodiment.

FIG. 7 is a perspective view for explaining a construction procedure of the building according to the embodiment.

FIG. 8 is an overall perspective view showing a building according to a second embodiment of the present invention.

[Explanation of symbols]

 10, 50 Building 12 Frame structure 13 Roof structure 13A, 13B Inclined roof surface 14 Building section 15 eaves section 16 Roof panel 20 Building unit 30 Shed unit 34 Support structure 35 Receiver 36 Bundle 37 Brace 40, 47 Frame

Claims (8)

[Claims] 1. A roof structure provided on a frame structure of a building and having inclined roof surfaces which are inclined opposite to each other, wherein each of the inclined roof surfaces is an integral and continuous roof panel from a ridge portion to an eave portion. The roof panel is connected to each other at the ridge, and is supported by a support structure provided in the skeleton structure on the eaves side of the ridge. . 2. The roof structure according to claim 1, wherein the support structure includes a support for supporting the eaves of the inclined roof surface, and a bundle for supporting a ridge side at a predetermined distance from the eaves. A roof structure characterized by that. 3. The roof structure according to claim 2, wherein the support structure includes a brace connecting the receiving member and the bundle. 4. The roof structure according to claim 1, wherein the frame structure includes a plurality of building units each having a box-shaped frame. 5. The roof structure according to claim 4, wherein the skeleton structure includes a plurality of hut units provided on the building unit and having a frame-like frame, and at least one of the hut units is the hut unit. A roof structure comprising a support structure. 6. The roof structure according to claim 5, wherein at least one of the building units located under the eaves is omitted from the building units, and the hut unit above the omitted building unit is A roof structure characterized by being supported by a building unit adjacent to a building unit located below the omitted eaves. 7. The roof structure according to claim 5, wherein the frame structure includes building units located below the eaves of each of the sloped roof surfaces, and the sloped roof surface between the building units. A roof structure characterized by omitting at least one building unit located below the ridge. 8. The roof structure according to claim 7, wherein a shed unit above a building unit located below the omitted ridge is supported by a building unit adjacent to the omitted building unit. Roof structure.