JPH06108547A - Room unit and roof unit - Google Patents

Abstract

PURPOSE:To expand a living space such as a room by constituting a floor framework with a joist made of a wood composite material consisting of a web member and two flange members parallelly set up with each other in holding this web member between up and down. CONSTITUTION:Joists 1 are made up of a web member 11 made of a wood veneer in charge of shearing force and two flange members 12, 12 made of wood laminated material in charge of a bending stress as being parallelly set up with each other in holding this web member 11 between up and down. Next, a floor framework 2 is nailed down to each bellows between the joists 1 and side joists 21a, 21b at the outermost edge in contact with each side face of two end joists 22, 22, thereby constituting a main framework. In succession, a room unit 3 for upper floor use is composed of a floor panel 4 and two wall panels 5a, 5b, and the floor panel 4 is stuck to a top surface of the floor framework 2 through a surface material 41 with a nail or the like, forming it into a floor structural surface. With this constitution, the joist 1 is formed into an I type composite structure and thereby it is extendible, through which the floor framework 2 is extended and an interspace in the room or the like is thus enlargeable.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a room unit constituting a room portion of a building unit and a roof unit constituting a roof portion.

[0002]

2. Description of the Related Art Generally, a wall type construction method is known in which a structural panel is struck on each frame of a floor and a wall to form a floor panel and a wall panel, and the floor panel and the wall panel are assembled into a box-shaped structure. . According to this wall type construction method, an external force is evenly supported on the entire floor and the entire wall, as compared with the case of the frame construction method consisting of columns and beams, and high structural strength can be obtained. . A unit building method is known as one method for increasing the industrial production rate of buildings such as houses.

When the above wall type construction method is applied to a unit building, for example, as described in Japanese Patent Laid-Open No. 55-152236, a single building is installed with a floor panel and a wall panel erected. It is divided into a plurality of room units and a roof unit that is joined to the top of each room unit, after each unit is produced in the factory, these units are transported to the construction site and installed on a pre-prepared foundation It will be.

[0004]

By the way, in the above-mentioned conventional room unit and roof unit to which the wall construction method is applied, a square floor frame and a roof frame are assembled by using the wooden timber joists and timber. Therefore, there is a limit to the size of the floor frame and roof frame due to the structural strength. Therefore, the lower floor room space (room size) obtained by interconnecting multiple floor frames and roof frames, There was a certain limit to the size of the attic space. For this reason, there is a problem that it is not possible to meet the demand for enlargement of the room space and the attic space that exceeds the structure limit of the conventional wall type construction method. On the other hand, even within the structural limits of the wall construction method, there is a demand to further improve the structural strength.

The present invention has been made in view of the above circumstances, and provides a room unit and a roof unit by a wall-type construction method that can meet the demands for expanding the room space and the attic space and improving the structural strength. The purpose is to do.

[0006]

In order to solve the above-mentioned problems, a room unit according to a first aspect of the present invention has a floor panel formed by attaching a face material to the upper surface of a floor frame, and a side edge of the floor panel. And a wall panel that is erected along the floor frame,
It is characterized in that it is formed by using a joist of a wood-based composite material composed of a web material and two flange materials which are arranged in parallel with each other with the web material sandwiched vertically.

A roof unit according to a second aspect of the present invention comprises a roof panel in which a face material is attached to the upper surface of the roof frame, and a pair of support frames for supporting the roof panel. It is characterized in that it is formed by using a barrel of a wood composite material composed of a web material and two flange materials which are arranged in parallel with each other with the web material sandwiched vertically.

[0008]

According to the above structure, since the joists and the rafters have the I-type composite structure, the proof stress against bending stress is strengthened, and the joists and the rafters can be lengthened accordingly. As a result, the floor framework and the roof framework can be further expanded and formed along the length direction of the joists and the rafters. Therefore, it is possible to obtain a room space and an attic space that are much wider than before. In addition, the structural yield strength can be improved.
Further, since the room unit and roof unit having the above-mentioned configuration are configured by using various panels such as a floor panel, a wall panel, and a roof panel, they are suitable for factory production as usual. Therefore, it is possible to reduce the number of man-hours on site and ensure work stability.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. First Embodiment FIG. 1 is a perspective view showing the construction of a joist according to one embodiment of the present invention, and FIG. 2 is a perspective view showing the construction of a floor framework for the upper floor formed using the same floor joist. 3 is a perspective view showing the configuration of an upper floor room unit formed by using the same floor framework.

The point that the room unit of this example is greatly different from the room unit by the conventional wall construction method is that the floor frame is constructed by using the wood I-type composite material joist 1 instead of the conventional wood single material joist. This is the point I chose to do. Above joist 1
As shown in FIG. 1, two flanges of a wood plywood web material 11 mainly responsible for shearing force and two laminated wood wood materials arranged mainly in parallel to each other with the web material 11 vertically sandwiched therebetween. It consists of materials 12 and 12.

At the central portions of the surfaces of the flange members 12, 12 which face each other, fitting grooves 13, 13 are provided along the longitudinal direction.
Is provided, and the web material 1 is provided in each of the fitting grooves 13, 13.
The upper end portion and the lower end portion of 1 are fitted, and the web material 11 and the respective flange materials 12, 12 are adhered to each other by an adhesive previously applied to the fitting surface.
Is formed in an I shape.

Next, the floor framing 2 for the upper floor according to this example is
As shown in FIG. 2, each end of the plurality of joists 1, 1 ... Of the above configuration and the side joists 21a, 21b at the outermost edges have end joists 2
Each side surface of 22, 22 is applied and nailed to form a rectangular main frame. Further, between the joists 11, 11, ... And the side joists 12, 12, an H-shaped joint material 24 is provided. , 24, ... are attached, and head joints 23a, 23a, 23b are attached to the lower surfaces of the end joists 22, 22 and the side joists 21b, respectively.
Are joined together.

The plurality of joists 1, 1, ... Are made up of two pieces and are arranged so that the flange members 12, 12 constitute the upper and lower surfaces of the floor frame 2. In addition, the above head tie 23
When installing the upper floor room unit on the lower floor room unit, a, 23a and 23b are tightly connected along the upper part of the wall panel of the lower floor room unit (upper surface of the upper frame) to provide the upper floor room unit. It is provided to fix the room unit to the room unit on the lower floor. It should be noted that no head tie is provided on the lower surface of the side joist 21a because the wall panel of the lower floor is not arranged below this surface. Instead, the side joist 21a uses the plate material 2 It is configured with reinforcement as a stack.

Next, the room unit 3 for the upper floor of this example
As shown in FIG. 3, the floor panel 4 and the floor panel 4 are
Wall panels 5a, 5a, 5 erected along the three side edges of the
It consists of b and. The floor panel 4 is formed as a floor structure by attaching a face material 41 such as structural plywood or particle board to the upper surface of the floor framework 2 having the above-mentioned configuration with nails or the like.

Each of the wall panels 5a, 5a, 5b has a wall frame assembly assembled by vertical frames 51, 51, ..., An upper frame 52 and a lower frame 53. The wall panels 5a and 5a are arranged along a pair of opposite side edges (edge joists 22 and 22) which are short sides of the floor panel 4, and the wall panel 5b is a long side (one side edge). The bottom frame 53 is erected along the side joists 21b) by nailing the bottom frame 53 to the floor panel 4, and face materials 54 such as gypsum board and wood chip cement board are attached to both inside and outside of the wall frame. It is considered as a bearing wall.

Interior and exterior finishes are made on the outside of these face materials 54, and heat insulation materials and the like are loaded inside the respective wall panels, and openings such as entrances and exits and windows are formed if necessary. Has been done. The adjacent wall panels 5a, 5a and 5b
Means that the outermost vertical frames 51, 51 of these wall frames are brought into contact with each other and nailed to be tightly connected.

According to the above construction, since the joists have the I-type composite construction, the proof stress against bending stress is enhanced, and the joists can be lengthened accordingly. As a result, the floor framework can be further expanded and formed along the length direction of the joist. Therefore, it is possible to obtain a room space much wider than the conventional one. In addition, the structural yield strength can be improved. In addition, since the room unit having the above configuration is configured by using various panels such as a floor panel and a wall panel,
As usual, it is suitable for factory production. Therefore, it is possible to reduce the number of man-hours on site and ensure work stability.

Second Embodiment FIG. 4 is a perspective view showing the structure of the roof unit according to the second embodiment of the present invention. The difference between the roof unit in this example and the roof unit by the conventional wall construction method is that
This is a point that the roof frame is configured by using the barrel wood 6 of the wooden I-type composite material instead of the conventional barrel wood of the single wooden material. In addition, the rafter 6 of this example using the wood type I composite material
Is similar to the joist 1 of the woody I-type composite material described in the first embodiment, the web material of wood plywood mainly responsible for shearing force, and the web material arranged vertically above and below the web material. Since it is composed of two flange materials made of a wooden laminated material, the description thereof will be omitted.

In the same section 4, the roof unit 7 of this example
Is the roof part of the eaves side of the gable roof.
It consists of one roof panel 8 and two support panels 9, 9 attached to both end sides of the roof panel 8.
The roof panel 8 has a plurality of the rafters 6, 6, ... With the above-mentioned structure installed between the joint beam 81 and the eaves beam 82, and further, between the rafters 6 and 6 at the end of the gable side of 1. By attaching fluttering trees 6a, 6a, ... Orthogonally and assembling a rectangular roof frame, a roof surface material 83 is attached to the surface of the assembled roof frame with nails or the like to form a roof structure. There is.

The support panels 9 and 9 have a truss structure in which a lower frame member 91, a vertical frame member 92, and an upper frame member 93 are framed in a substantially triangular shape, and a reinforcing member is provided inside the truss structure body. 94, 94 is attached, the roof panel 8
A support frame that can be supported in an inclined state by the upper frame member 93 is assembled, and a wall material 95 is attached to the surface of the assembled support frame with nails or the like to form a bearing wall.

According to the above construction, since the rafter has the I-shaped composite structure, the proof stress against bending stress is enhanced, and the rafter can be lengthened accordingly. As a result, the roof frame can be further expanded and formed along the length direction of the rafter. Therefore, an attic space much wider than the conventional one can be obtained, and the attic space can be effectively used. In addition, the structural yield strength can be improved.

The embodiment of the present invention has been described in detail above with reference to the drawings. However, the specific structure is not limited to this embodiment, and there are design changes and the like within the scope not departing from the gist of the present invention. Also included in the present invention. For example, the illustrated room unit is an example in which the wall panels are erected on the three side edges of the floor panel, but the present invention is not limited to this, and the room unit may have wall panels depending on which part of the building is configured. The floor panel is erected and is erected on at least a pair of opposite side edges of the floor panel.

Further, in the above-mentioned embodiment, the fitting groove is provided in the flange material so that the web material is fitted and both members are adhered, but the fitting groove is omitted. Instead of the adhesive, the web material and the flange material may be nailed and fixed.

Further, in the above-described embodiment, the case where the roof unit of the present invention is applied to the eaves side roof unit has been described, but of course, it can be applied to the ridge side roof unit.

[0025]

As described above, according to the room unit and the roof unit of the present invention, since the joists and the rafters have the I-type composite structure, the proof stress against bending stress is enhanced, and the joists and the rafters are correspondingly strengthened. Can be lengthened. As a result, the floor framework and the roof framework can be further expanded and formed along the length direction of the joists and the rafters. Therefore, it is possible to obtain a room space and an attic space that are much wider than before. In addition, the structural yield strength can be improved. Further, since the room unit and roof unit having the above-mentioned configuration are configured by using various panels such as a floor panel, a wall panel, and a roof panel, they are suitable for factory production as usual. Therefore, it is possible to reduce the number of man-hours on site and ensure work stability.

[Brief description of drawings]

FIG. 1 is a perspective view showing a configuration of a joist according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a configuration of an upper floor floor frame formed by using the same floor joists.

FIG. 3 is a perspective view showing a configuration of an upper floor room unit formed by using the same floor framework.

FIG. 4 is a perspective view showing a configuration of a roof unit that is a second embodiment of the present invention.

[Explanation of symbols]

 1 joist 11 web material 12 flange material 2 floor framework 3 upper floor room unit (room unit) 4 floor panel, 5a, 5b wall panel 6 rafter wood 7 roof unit 8 roof panel 9 support panel

Claims (2)

[Claims] 1. A room unit comprising a floor panel having a surface member attached to an upper surface of a floor frame, and a wall panel erected along side edges of the floor panel, the floor unit comprising: The room unit is characterized in that the frame is formed by using a joist of a wood composite material composed of a web material and two flange materials which are arranged in parallel with each other with the web material sandwiched vertically. 2. A roof unit comprising a roof panel formed by attaching a face material to an upper surface of a roof frame, and a pair of support frames for supporting the roof panel, wherein the roof frame comprises a web material. A roof unit formed by using a barrel of a wood-based composite material composed of two flange members arranged in parallel with each other with the web member sandwiched therebetween.