JPH11190091A - Supporting structure of roof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the supporting structure of a roof having the excellent design of a garret even when a beam made of steel supporting the roof is installed to a building frame under the state, in which there is no ceiling. SOLUTION: Roof panels 1, 2 laid on a building frame 8 are supported by installing the roof panels 1, 2 to a beam 4 made of steel fixed onto the building frame 8 under the state, in which there is no ceiling. An upper space in the building frame 8 can be ensured widely by covering the beam 4 made of steel with a facing 6 while sticking plaster boards 7 on the rears 1b, 2b of the roof panels 1, 2 at that time, and a garret 89 is designed preferably because spaciousness can be imparted to the user of the space while the beam 4 made of steel is not exposed to the outside in the garret 89 having no ceiling.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof support structure for supporting a roof with steel beams.

[0002]

2. Description of the Related Art In a house constructed by a wood panel method, for example, as shown in Japanese Patent Application Laid-Open No. Hei 7-233582, a structure in which a roof made of wood panels is supported by steel beams such as H-section steel is known. is there. This will be described below with reference to FIG. In addition, the said wood panel is a core material (crosspiece).
A frame material such as plywood is attached to at least one of the front and back surfaces of a frame body formed in a rectangular frame shape, and an auxiliary core material is vertically and horizontally assembled as needed in the frame body. The roof panel constituting the roof in this method is usually formed by attaching a face material to the surface of the frame.

As shown in FIG. 6, a roof 90 of a house is provided with a plurality of roof panels 91 and 92 on the upper surface of a steel beam 93 of H-shaped steel bridged between gable walls of a skeleton (not shown). These roof panels 91, 9
Reference numeral 2 denotes a portion where the ends 91a and 92a of the roof panels 91 and 92 abut against each other.
3 is attached. The reinforcing metal members 94 are substantially U-shaped metal members for beams obtained by bending a metal flat plate, and are arranged at predetermined intervals in the extending direction of the steel beams 93. The reinforcing hardware 94 is attached to the side surfaces of the core members 91b, 92b from the side surfaces of the core materials 91b, 92b of the roof panels 91, 92 by screw nails 95, 95 at both ends thereof.
The steel beam 93 is surrounded.

[0004]

By the way, when the steel beam 93 supporting the roof 90 is fixed to the skeleton without the ceiling as described above, the ceiling height becomes an open atmosphere. However, the steel beams 93 supporting the roof panels 91 and 92 are exposed above the room, and the appearance is deteriorated. For this reason, it is necessary to cover the steel beam 93 with a finishing material, which causes a problem that the work is troublesome. In addition, the reinforcing hardware 90 used to attach the roof panel to the steel beam is fixed to the steel beam 4 via a screw nail in a state where the reinforcing hardware 90 is set in the mounting position in advance. Take the trouble.

The present invention has been made in view of the above circumstances, and an object of the present invention is to make a design of an attic preferable even if a steel beam supporting a roof is attached to a body without a ceiling. It is an object of the present invention to provide a roof support structure that can be easily mounted on a steel beam.

[0006]

In order to solve the above problems, the invention according to claim 1 is, for example, as shown in FIG. 1, a roof laid on a skeleton is made of steel fixed to the skeleton. In the roof support structure 10 which is supported by being attached to the beam 4, the steel beam 4 is fixed to the frame without a ceiling and covered with a decorative material 6.

[0007] The roof may have any configuration, for example, may be formed by laying a roof panel described later. Further, a configuration having a base plate and a rafter attached to the back surface of the base plate may be employed. Further, a heat insulating material may be provided on the back surface of the roof, or a gypsum board may be adhered. If the gypsum board is stuck, the same effect as when the gypsum board is attached to the back surface of the roof panel and the roof panel is formed as described later can be obtained. When a heat insulating material is provided between the roof and the gypsum board, the heat insulating material cannot be seen from the indoor side.

The steel beam 4 may be of any configuration as long as it is attached to the skeleton and supports the roof. For example, the steel beam 4 may be an H-shaped steel, a square tubular steel pipe, or the like. Good. Since the steel beam 4 is fixed to the skeleton without a ceiling, the steel beam 4 is exposed above the internal space of the skeleton, unlike a state in which the steel beam 4 cannot be seen from the inside of the skeleton due to the ceiling or the like of the building. It is what becomes. The steel beam 4 is such that at least the side and lower surfaces of the steel beam 4 are covered with the decorative material 6, and from below, the steel beam itself is covered with the decorative material 6 and is invisible. It is.

In the roof support structure according to the first aspect, the steel beams 4 supporting the roofs 1 and 2 are fixed to the frame without a ceiling and covered with a decorative material 6. Therefore, a large space above the inside of the skeleton can be ensured, and a sense of openness can be given to a user of this space, and the steel beam 4 is not exposed to the outside in the attic 89 having no ceiling. The attic 8 without complicated work such as covering the steel beam 4 with a finishing material.
Nine designs can be preferred. When the roofs 1 and 2 are gabled roofs, the lower surface of the roof can be regarded as a gradient ceiling in a space below the steel beams 4.

According to a second aspect of the present invention, in the roof support structure of the first aspect, for example, as shown in FIG. 1, the roof is composed of roof panels 1 and 2, and the roof panels 1 and 2 The core members (bars) 11 and 12 are assembled into a rectangular frame shape, and reinforcing core members (bar members) 11a and 12a are vertically and horizontally assembled inside the rectangular frame to form a frame body.
Face members 12 and 22 such as plywood are adhered to one surface of the frame, and the steel beams 4 are attached to the roof panels 1 and 2.
The core materials (crosspieces) 11 and 21 are attached.

In the roof supporting structure according to the second aspect, the same effect as the invention according to the first aspect can be obtained, and the roof is composed of roof panels 1 and 2.
The steel beams 4 have core members 11 of the roof panels 1 and 2 attached thereto.
Since the steel beams 21 are attached, the steel beams 4 can more firmly support the roof panels 1 and 2.

According to a third aspect of the present invention, in the roof support structure according to the second aspect, for example, as shown in FIG.
The mounting member 3 is attached to the second core members 11 and 21, and the mounting member 3 is attached from below the steel beam 4 so as to surround the lower surface and the side surface of the steel beam 4. 3
1 and fixing portions 32, 32 formed at both ends 31a, 31a of the beam receiving portion 31 and fixed to the core members 11, 21 of the roof panels 1, 2 by being driven upward. It is equipped.

As the mounting member 3, for example, a U-shaped steel hardware as shown in FIG. 5 is preferably used. The U-shaped mounting member 3 includes a U-shaped beam receiving portion 31 formed so as to fit onto the steel beam 4 from below the steel beam 4, and both end portions of the beam receiving portion 31. 31a, 31
a fixed portions 3 formed on the core material 11 of the roof panel by being driven upward.
2, 32. The fixing portions 32, 32
Can be formed in any manner as long as it can be fixed to the core members 11 and 21 of the roof panels 1 and 2. In this U-shaped mounting member 3, the upper part is opened and fixed. Is formed in a U-shape such that the core material 11 of the roof panel can be sandwiched between the U-shaped fixing portions 32, 32.
Claw portions 33,... Projecting obliquely downward from the inner surface are provided.

That is, the fixing portions 32, 32 of the U-shaped mounting hardware 3 configured as described above are attached to the fixing portions 32, 32.
Is driven into the upper core material 11, the claws 33,... Bite into the side surface of the core material 11, and the claws 33,.
And the fixing portions 32, 32 are less likely to come off downward, and the U-shaped mounting hardware 3 is firmly attached to the roof panel 1,
2 is fixed.

According to the roof support structure of the third aspect, the same effect as the invention of the second aspect can be obtained, and the steel beam 4 is attached to the roof panel 1 by the mounting member 3. Attached to the two core members 11 and 21, the attaching member 3 is a U-shaped beam receiving portion attached from below the steel beam 4 so as to surround the lower surface and side surfaces of the steel beam 4. 31 and both end portions 31a of the beam receiving portion 31;
31a, and the core members 11, 21 of the roof panels 1, 2 are driven upward.
The fixing member 32 is fixed to the mounting member 3 so that the U-shaped beam receiving portion 31 of the mounting member 3 is attached to the side and the lower surface of the steel beam 4 from below the steel beam 4. The fixing portions 32, 32 formed at both ends 31a, 31a of the beam receiving portion 31 are attached so as to surround the roof panel 1,
The steel beams 4 can be easily and firmly attached to the roof panels 1 and 2 simply by driving them into the core materials 11 and 21.

The invention according to claim 4 is the invention according to claim 2 or 3.
The gypsum boards 7, 7 are attached to the back surfaces of the roof panels 1, 2, for example, as shown in FIGS.

The back surfaces of the roof panels 1 and 2 are surfaces that serve as lower surfaces of the roof when forming the roof. The gypsum board 7 is a back surface (lower surface) 1b, 2 of the roof panels 1, 2.
In b, it is desirable that the steel beam 4 is adhered to all parts except the part where the steel beam 4 is attached.

According to the roof support structure of the fourth aspect, the same effect as the invention of the second or third aspect can be obtained, and the back surface 1 of the roof panels 1 and 2 can be obtained.
b, the gypsum boards 7, 7 are attached to the inside of the roof panels 1, 2 (for example, the cores 11, 21, etc.) from the back surface 1b side of the roof panels 1, 2 in the frame without the ceiling. ) Is not exposed, the design of the back surface (lower surface) 1b of the roof panels 1 and 2 attached to the steel beam 4 is improved, and the attic 8 formed in the skeleton.
9 is more preferred.

According to a fifth aspect of the present invention, in the roof support structure of the third aspect, for example, as shown in FIG.
Gypsum boards 7, 7 are attached to the back surfaces 1b, 2b of the roof panels 1, 2 so that the cores 11, 21 of at least one end 1a, 2a of the roof panels 1, 2 are exposed. The roof panels 1 and 2 are laid on the frame 8 such that the ends 1a and 2a where the cores 11 and 21 are exposed are abutted against each other, and the ends 1a of the exposed roof panels 1 and 2 are laid. , 2a, the mounting member 3 is disposed along the joint portion 15, and the fixing portions 32, 32 fixed to the mounting member 3 are fixed to the roof panels 1,
2 are fixed to the respective core members 11 and 21.

In the roof support structure according to the fifth aspect, the same effect as the invention according to the third aspect can be obtained, and at least one end portion 1 is provided on the back surfaces 1b and 2b.
The roof panels 1 and 2 on which the gypsum boards 7 and 7 are attached so as to expose the cores 11 and 21 of a and 2a.
2 is laid on the frame body with the ends 1a and 2a where the cores 11 and 21 are exposed facing each other, and the joint 15 of the ends 1a and 2a of the exposed roof panels 1 and 2 is laid. The fixing member 3 of the fixing member 3 is fixed to the respective core members 11 and 21 of the roof panels 1 and 2 arranged side by side. The roof panels 1 and 2 attached to the steel beam 4 and juxtaposed can be supported in a state where they are joined to each other.

Also, the back surfaces 1b,
In 2b, since the steel beam 4 covered with the decorative material 6 is disposed along a portion where the gypsum board 7 is not attached, the gypsum board 7 and the decorative material 6 The inside of the roof panels 1 and 2 and the steel beam 4 itself are prevented from being exposed to the outside, and the attic 89 is prevented.
Design can be made preferable.

According to a sixth aspect of the present invention, in the roof support structure according to any one of the second to fifth aspects, for example,
As shown in FIG. 2, heat insulating materials 9 and 9 are provided in the frames of the roof panels 1 and 2.

The heat insulating material 9 is made of rock wool or glass wool or the like, and is formed so as to be laid in the roof panels 1 and 2.

According to the roof support structure of the sixth aspect, the same effect as the invention of any one of the second to fifth aspects can be obtained, and the roof panel 1,
Since the heat insulating materials 9 and 9 are provided in the frame body 2, the heat insulating materials 9 and 9 are not exposed to the outside of the roof panels 1 and 2, and the roof panel 1 is not damaged at all. ,
2 can be kept at a suitable temperature regardless of the outdoor temperature.

According to a seventh aspect of the present invention, in the roof support structure according to any one of the first to sixth aspects, for example,
As shown in FIG. 3, the decorative materials 61 and 62 are fixed via fixing pieces 51 to 54 attached to the steel beam 4.

The fixing piece 5 may be formed as long as the decorative material 6 can be attached so as to cover the steel beam 4 via the fixing piece 5. . For example, as shown in FIG.
Edge portions 41a, 42a of upper and lower flange portions 41, 42
In the above, fixed pieces 51 to 54 are attached along the extending direction of the steel beam 4, respectively.
The steel beams 4 are covered with decorative materials 61, 61, 62 so as to cover the side surfaces and the lower surfaces of the steel beams 4 so as to straddle the side surfaces and the lower surfaces of the steel beams 4, respectively.

In the roof support structure according to the seventh aspect, the same effect as the invention according to any one of the first to sixth aspects can be obtained, and the decorative material 6 is made of the steel. Since the fixing pieces 51 to 54 are fixed via the fixing pieces 51 to 54 attached to the beam 4, the fixing pieces 51 to 54 are attached to the steel beam 4, and the fixing pieces 51 to 54 are fixed.
The steel beam 4 can be covered by attaching the decorative material 6 to the steel beam 4. Therefore, the decorative material 6 is attached to the steel beam 4.
The steel beam 4 supporting the roofs 1 and 2 can be easily decorated with the decorative material 6 without any processing for attaching the steel beams.

[0028]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a roof support structure according to the present invention will be described below with reference to FIGS. Note that the roof support structure of this embodiment is applied to a house having a gable roof constructed by a wood panel construction method.

FIG. 1 is a cross-sectional view of a roof support structure as an example to which the present invention is applied, FIG. 2 is an enlarged view of a lower surface of a roof panel used in FIG. 1, and FIG. 3 is an example to which the present invention is applied. FIG. 4 is a side sectional view illustrating a state in which a decorative material is attached to a steel beam in a roof support structure as one example, FIG. 4 is a perspective view illustrating a state in which a steel beam is attached to a skeleton, and FIG.
FIG. 4 is a perspective view of a mounting member used in FIG.

As shown in FIG. 1, the roof support structure 10 according to the present embodiment is laid on the frame of a house.
Roof panels 1 and 2 constituting a roof, and these roof panels 1 and 2 are attached via a U-shaped mounting hardware 3 as a mounting member and are fixed to a skeleton without a ceiling. 4 and a decorative material 6 attached to the steel beam 4 via the fixing piece 5 and covering the steel beam 4.

The roof panels 1 and 2 are laid on the frame of a house constructed of wall panels, floor panels, and the like. As shown in FIGS. Gypsum board 7 on the back (lower) 1b, 2b
Is the core material 11 at the ends 1a and 2a of the roof panels 1 and 2.
(21), 11 (21) are mounted so as to be exposed. The roof panels 1 and 2 are composed of horizontal core members 1 provided along the long sides on the back surface of the rectangular surface member 12 (22) in plan view.
1 (21), 11 (21) and vertical core members 13 (23), 13 (23),... Provided along the short sides, and the vertical and horizontal core members 11 (21), 13 ( 23), inside the rectangular frame formed by
a) and a vertical core material (not shown) are assembled and the horizontal core material 11 (21) is thicker in the vertical direction than the vertical core material 13 (23). The air permeability inside the roof panels 1 and 2 can be secured.

In FIG. 1 and FIG. 3, the roof panels 1 and 2 configured as described above are laid on a skeleton with the ends 1a and 2a facing each other, and are fixed to the skeleton. A gable roof having a slope in a direction perpendicular to the extending direction of the steel beam 4 is formed. In addition, a heat insulating material 9 such as rock wool or glass wool is provided in the frames constituting the roof panels 1 and 2, and the heat insulation performed in the back of a house having a ceiling is replaced with the roof panels 1 and 2. It is configured to be performed within. Since the heat insulating materials 9 and 9 are provided in the frames of the roof panels 1 and 2 in this manner, the heat insulating materials 9 and 9 are not exposed to the outside of the roof panels 1 and 2 and the design is improved. The indoor temperature separated by the roof panels 1 and 2 can be maintained at a suitable temperature regardless of the outdoor temperature without any damage.

The steel beam 4 is arranged along the joint 15 of the roof panels 1 and 2 laid with the ends 1a and 2a facing each other. This steel beam 4 has a section H
It is a steel beam having a mold shape and has an upper flange portion 41 abutting on the core material 11 of the roof panel, a lower flange portion 42, and a web portion 43 connecting the upper flange portion 41 and the lower flange portion 42. is there. Since the steel beam 4 has such an H-shaped cross section, it is preferable in terms of rigidity and weight reduction.

The steel beam 4 is fixed to a frame without a ceiling, and is installed between the walls of the frame. That is, as shown in FIG. 4, the end 4 a of the steel beam 4 is a part of the wall of the skeleton 8, and the top surface 81 a has a sloped roof panel 81 in which a roof is laid. It is fixed via beam fittings 82. The roof panel 81 is formed as a part of the inner wall, and one end 4a of the steel beam 4 is attached to each of the front and back surfaces with the roof panel 81 interposed therebetween. It is. This steel beam 4
Is fixed to the frame 8 without a ceiling, so that the beam is not visible from inside the frame due to the ceiling or the like of the building.
It is in an exposed state.

The beam receiving hardware 82 is provided at the end 4 of the steel beam 4.
and a fixing plate portion 84 for fixing the joining plate portion 83 to the roof panel 81. The joining plate portion 83 is provided on a wall surface 81 b on the steel beam 4 side of the roof panel 81 on which the steel beam 4 is erected, and between the upper and lower flange portions 41 and 42 of the steel beam 4 and the web portion 43. Bolt and nut 8
5, and has a joining piece 86 vertically projecting from the joining plate portion 83. Also, this joining plate portion 8
The profile of 3 is configured to be smaller than the beam structure and thickness of the steel beam 4, and as shown in FIG.
When viewed from the direction in which the steel beam 4 extends, the joining plate portion 83 is completely in the contour of the steel beam 4.

The fixed plate portion 84 is provided at the upper end of the joining plate portion 83 so as to be orthogonal to the joining plate portion 83 and project in the direction opposite to the direction in which the joining piece 86 projects.
It is placed and fixed on the upper surface 81a of the roof panel 81. That is, on the back surfaces of the joining plate 83 and the fixed plate 84, the load of the steel beam 4 joined to the joining plate 83 is received and transmitted to the skeleton.

As shown in FIG. 5, the U-shaped mounting member 3 has a U-shaped beam receiving portion 31 attached from below the steel beam 4 so as to surround the lower surface and side surfaces of the steel beam 4. And fixing portions 32, 32 formed at both ends 31a, 31a of the beam receiving portion 31, respectively, and fixed to the core material 11 of the roof panel by being driven upward.

The length of the side portion 31b of the beam receiving portion 31 is:
It is formed with substantially the same dimensions as the beam structure of the steel beam 4, and has the tip of the side portions 31b, 31b, that is, the beam receiving portion 31.
Fixed portions 32 provided at both ends 31a, 31a of the
Reference numeral 32 denotes a roof panel core material 1 that opens upward and is fixed.
1 are formed in a U-shape such that the U-shaped fixing portions 32 can be sandwiched therebetween.
Claw portions 33,... Projecting obliquely downward from the inner surface are provided.

The U-shaped fixing portion 32,
Driving portions 32b, 32b are provided on the lower surfaces of the base end portions 32a, 32a of the 32 so that the fixing portion can be driven upward from below by, for example, a hammer.

That is, the fixing portions 32 of the U-shaped mounting hardware 3,
Numeral 32 denotes driving portions 32b, 32b which sandwich the fixing portions 32, 32 between the upper core members 11, and are fixed portions 32, 32b.
Is driven into the core material 11, the claws 33,... Bite into the side surface of the core material 11, and the claws 33,. Is what it is.

The steel beam 4 is fitted inside the beam receiving portion 31 of the U-shaped mounting hardware 3 configured as described above, and the fixing portion 32 is installed on the upper part of the steel beam 4 as a roof panel. The core members 11 and 21 of the roof panels 1 and 2 are fixed to the steel beams 4 by fixing them to the core members 11 and 21 of the roof panels 1 and 21 respectively. Is more firmly supported. The U-shaped mounting hardware 3 is provided at a predetermined interval in the extending direction of the steel beam 4, and the number of the U-shaped mounting hardware 3 used is arbitrary.

The opening width of the U-shaped mounting hardware 3 above the fixing portions 32, 32 formed in a U-shape is formed corresponding to the width of the core material 11 to be mounted. For example, the fixing portion is formed so as to sandwich both adjacent core members of the roof panel disposed adjacent to the steel beam in the extending direction, and the like. When formed in this way, in addition to the effect that the steel beams support the roof panel, the adjacent core members are sandwiched between the fixing portions, so that the joining between the adjacent roof panels is further strengthened. can do.

As shown in FIG. 3, the decorative material 6 comprises side decorative materials 61, 61 for covering the side surfaces of the steel beam 4, and the steel beam 4
And a lower surface decorative material 62 that covers the lower surface of the lower surface. These decorative materials 61, 61, 62 correspond to the upper and lower flange portions 4 of the steel beam 4.
The steel beams 4 are fixed via fixing pieces 5 (51 to 54) attached to both edges 41a and 42a of the steel beams 4 and 42, respectively.
Is covered. In addition, the thickness of the side face decorative materials 61 attached to the steel beam 4 prevents the portion 7a above the side face decorative material 61 where the gypsum board 7 is not stuck from being completely seen from below. It is in a state where it has been done. Thus, the portion where the gypsum board 7 is not adhered cannot be seen from below.

The fixed piece 5 (51-54) is provided with a steel beam 4 at a position different from the position where the U-shaped mounting hardware 3 is provided.
Edge portions 41a, 42a of upper and lower flange portions 41, 42
Are attached along the direction in which the steel beam 4 extends. Both edge portions 41a, 4 of the upper flange portion 41
The fixing pieces 51 and 52 attached to 1a are projecting pieces 51a and 52a projecting outward, respectively.
Are formed. In addition, fixed pieces 53 attached to both edge portions 42a, 42a of the lower flange portion 42,
Numeral 54 denotes protrusions 53a, 53b, 54a, 54b projecting from the side surface and the lower surface of the steel beam 4, respectively. These projection pieces 51a to 54a are formed so as to be attached to attachment portions 61a, 61b, 62a, 62b provided on both longitudinal edges of the back surfaces of the decorative materials 61, 62, respectively.

That is, as shown in FIG.
Mounting portions 61a, 61a and 61a on the projections 53a and 54a, and mounting portions 6a on the projections 53b.
2a, and an attachment portion 62b is attached to the projection piece 54b. The projection pieces 51a, 52 of the fixed pieces 51 to 54 attached to the steel beam 4 in this manner.
The side and lower surfaces of the steel beam 4 are covered with the side surface decorative materials 61, 61 and the lower surface decorative material 62, which are the decorative materials attached so as to straddle a,. It is invisible from the sky.

Since the decorative materials 61, 61, 62 are fixed via the fixing pieces 51 to 54 attached to the steel beam 4, the fixing pieces 51 to 54 are attached to the steel beam 4, The decorative members 61 and 62 can be attached to the fixed pieces 51 to 54 to cover the steel beam 4. The decorative members 61 and 62 can be attached to the steel beam 4 without any processing for attaching the decorative members 61 and 62. 62 allows the steel beams 4 supporting the roof panels 1 and 2 to be easily decorated.

According to the roof support structure 10 of the above-described embodiment, the steel beams 4 supporting the roof panels 1 and 2 are fixed to the skeleton without the ceiling, and Decorative materials 61, 61 and lower surface decorative material 6
2, the space above the inside of the frame 8 can be secured widely, and a feeling of openness can be given to a user of this space.
Is not exposed to the outside, so that there is no need to perform a complicated operation such as covering the steel beam 4 with a finishing material, and the design of the attic 89 can be made preferable. Also,
Since the roof constituted by the roof panels 1 and 2 is a gabled roof, the lower surface of the roof is a sloped ceiling in the space below the steel beam 4.

Further, the steel beam 4 is attached to the core members 11 and 21 of the roof panels 1 and 2 by the U-shaped mounting hardware 3, and the U-shaped mounting hardware 3 is located below the steel beam 4. Therefore, a U-shaped beam receiving portion 31 attached to surround the lower surface and the side surface of the steel beam 4 is formed at both ends 31a, 31a of the beam receiving portion 31, and is driven upward. Core material 1 of roof panels 1 and 2
The U-shaped mounting bracket 3 is provided with the U-shaped beam receiving portion 31 from below the steel beam 4 so that the side surfaces of the steel beam 4 are fixed. And fixing portions 32, 32 formed at both ends 31a, 31a of the beam receiving portion 31, and the core material 1 of the roof panels 1, 2.
The steel beams 4 can be firmly attached to the roof panels 1 and 2 simply by driving them into the roof panels 1 and 21.

Further, the back surfaces 1b, 2b of the roof panels 1, 2
The gypsum boards 7, 7 are attached to the slabs, so that in the frame without the ceiling, the core members 11, 21 constituting the roof panels 1, 2 from the back surface 1b side of the roof panels 1, 2
Is not exposed, the design of the lower surface 1b of the roof panels 1 and 2 attached to the steel beam 4 is improved, and the appearance of the attic 89 in the skeleton is more preferable.

Further, on the back surfaces 1b and 2b, the gypsum board 7,
The roof panels 1 and 2 on which the core members 11 and 21 are mounted are laid on the frame body with their ends 1a and 2a facing each other. The U-shaped mounting hardware 3 is disposed along the joint 15 of the portions 1a and 2a, and the fixing portions 32 of the U-shaped mounting hardware 3 are fixed to the respective cores of the roof panels 1 and 2 arranged side by side. Since the steel beams 4 are fixed to the members 11 and 21, the steel beams 4 can respectively support the roof panels 1 and 2 attached to the steel beams 4 and arranged side by side while being joined to each other.

Further, on the lower surfaces 1b and 2b of the roof panel, a steel beam 4 covered with decorative materials 61, 61 and 62 is disposed along a portion where the gypsum boards 7 and 7 are not attached. Therefore, the gypsum boards 7, 7 and the decorative materials 61, 61, 62 prevent the inside of the roof panels 1, 2 and the steel beam 4 itself from being exposed to the outside, and make the design of the attic 89 preferable. be able to.

Note that the roof support structure in the above embodiment can be applied to any building as long as it is a building having a roof, and it is needless to say that it can be applied to a building having two or more floors. . Further, in the above embodiment, the present invention was applied to a house constructed by the panel method, but the present invention is not limited to this.If the building does not have a ceiling and has steel beams supporting the roof, It goes without saying that the present invention may be applied as a support structure for any building roof.
For example, the present invention can be applied to a house constructed by two-by-four or a conventional wooden construction method. That is, in a building in which a steel beam is exposed from indoors, the steel beam can be used for any building structure as long as the steel beam is decorated. In this case, the core material corresponds to various beams or various crosspieces such as rafters provided on the back surface of the roof. Further, in the configuration in which the steel beam is covered with the decorative material, the steel beam can be used as a girder.

[0053]

As described above, according to the roof support structure according to the first aspect of the present invention, the steel beam supporting the roof is fixed to the frame without the ceiling and the decorative material is provided. Because it is covered by the above, it is possible to secure a wide space above the skeleton, and to give a sense of openness to the user of this space, and in the attic without a ceiling, the steel beam can be exposed to the outside. In addition, the design of the attic can be made favorable without complicated work such as performing the work of covering the steel beam 4 with a finishing material.

According to the roof support structure according to the second aspect of the present invention, the same effect as that of the first aspect of the invention can be obtained, and the roof is constituted by a roof panel.
Since the core material of the roof panel is attached to the steel beam, the roof is more firmly supported by the steel beam.

According to the roof support structure of the third aspect of the present invention, the same effect as that of the second aspect of the invention can be obtained, and the steel beam is attached to the core of the roof panel by a mounting member. The mounting member includes a U-shaped beam receiving portion mounted from below the steel beam so as to surround a lower surface and a side surface of the steel beam, and both end portions of the beam receiving portion. And a fixing portion fixed to the core material of the roof panel by being driven upwards, so that the U-shaped beam receiving portion of the mounting member is formed of the steel beam. From below, the steel beam is attached so as to surround the side surface and the lower surface, and the fixing portions formed at both ends of the beam receiving portion are easily driven into the core material of the roof panel by simply driving the steel beam onto the roof panel. Strong attachment of beams It can be.

According to the roof support structure of the fourth aspect, the same effect as the second or third aspect can be obtained, and a gypsum board is attached to the back surface of the roof panel. Therefore, in the skeleton having no ceiling, the interior of the roof panel is not exposed from the back side of the roof panel, and the design of the lower surface of the roof panel attached to the steel beam is improved, and Is more preferable.

According to the roof supporting structure according to the fifth aspect of the present invention, the same effect as that of the third aspect of the present invention can be obtained, and a gypsum board is provided on the back surface of the roof panel, and the roof panel has the same structure. The roof panel is mounted so as to expose the core material of at least one end of the roof, and the roof panel is laid on the skeleton with the ends where the core material is exposed facing each other, and the roof is exposed. The mounting member is disposed along the joint at the end of the panel, and the fixing portion of the mounting member is fixed to each core material of the roof panels arranged side by side. The roof panels attached to the beams and arranged side by side can be supported in a state where they are joined to each other. Further, on the lower surface of the roof panel, along the portion where the gypsum board is not attached, since the steel beam covered with the decorative material is provided, by the gypsum board and the decorative material, The inside of the roof panel and the steel beam itself are prevented from being exposed to the outside, and the design of the attic can be made favorable.

According to the roof support structure of the sixth aspect of the present invention, the same effects as those of the second aspect of the invention can be obtained, and the frame of the roof panel can be obtained. Since the heat insulating material is provided, the heat insulating material is not exposed to the outside of the roof panel, without impairing the design at all, the indoor temperature separated by the roof panel, regardless of the outdoor temperature A suitable temperature can be maintained.

According to the roof supporting structure according to the seventh aspect of the present invention, the same effect as the invention according to any one of the first to sixth aspects can be obtained, and the steel beam has By attaching a fixing piece, it is possible to cover the steel beam by attaching the decorative material to the fixing piece, and without applying any processing for attaching the decorative material to the steel beam, by using the decorative material. The steel beam supporting the roof can be easily decorated.

[Brief description of the drawings]

FIG. 1 is a side sectional view of a roof support structure as an example to which the present invention is applied.

FIG. 2 is an enlarged view of a lower surface of an end of a roof panel used in FIG.

FIG. 3 is a side sectional view illustrating a state in which a decorative material is attached to a steel beam in a roof support structure as an example to which the present invention is applied.

FIG. 4 is a perspective view illustrating a state in which a steel beam is attached to a skeleton.

FIG. 5 is a perspective view of a mounting member used in FIG. 1;

FIG. 6 is a side sectional view of a conventional steel beam supporting a roof.

[Explanation of symbols]

 1, 2 roof panel 1a, 2a end 1b, 2b back surface (lower surface) 3 U-shaped mounting hardware 4 steel beam 5 fixing piece 6 decorative material 7 gypsum board 8 frame 9 heat insulating material 10 roof support structure 11, 21 core Material 15 Joint 51, 52, 53, 54 Fixing piece 61 Side face decorative material 62 Lower face decorative material

Claims (7)

[Claims] 1. A roof support structure for supporting a roof laid on a skeleton by attaching it to a steel beam fixed to the skeleton, wherein the steel beam is fixed to the skeleton without a ceiling. A roof support structure, characterized by being covered with a decorative material. 2. The roof is constructed of a roof panel, and the roof panel is formed by assembling a core material into a rectangular frame shape and assembling a reinforcing core material vertically and horizontally inside the rectangular frame. 2. A frame material such as plywood is attached to one surface of the frame, and a core material of the roof panel is attached to the steel beam. Roof support structure. 3. The steel beam is attached to a core of the roof panel by an attachment member, and the attachment member surrounds a lower surface and a side surface of the steel beam from below the steel beam. A U-shaped beam receiving portion attached to the roof panel; and fixing portions formed at both ends of the beam receiving portion and fixed to the core material of the roof panel by being driven upward. The roof support structure according to claim 2, characterized in that: 4. A gypsum board is attached to a back surface of the roof panel.
A roof support structure according to claim 1. 5. A gypsum board is attached to a back surface of the roof panel so as to expose a core material of at least one end of the roof panel, and the roof panel is exposed on a skeleton and the core material is exposed. Along the ends of this exposed roof panel,
4. The roof support structure according to claim 3, wherein the mounting member is provided, and the fixing portions of the mounting member are fixed to respective core members of the roof panels arranged side by side. 6. The roof support structure according to claim 2, wherein a heat insulating material is provided in a frame of the roof panel. 7. The decorative material according to claim 1, wherein the decorative material is fixed to the steel beam via a fixing piece attached to the steel beam. Roof support structure.