JP2774058B2 - Three-storey unit building - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a three-story unit building suitable for a detached house.

[0002]

2. Description of the Related Art As one method for increasing the industrial production rate of buildings, a unit building method is known. The unit building is a building of a system in which one building is divided into several units in advance to be factory-produced, and these are constructed and assembled at a construction site. If the units that make up the unit building are classified by focusing on the construction method and main structural materials, it is known that steel-frame units that can be assembled by applying the framing method and wood-based units that can be assembled by applying the wall-type construction method. Have been. That is, as described in Japanese Patent Application Laid-Open No. 54-93807, the above-mentioned steel-frame unit is formed into a box-shaped steel frame by rigidly connecting the upper and lower ends of the steel pipe columns at the four corners with respective shaped steel beams. The steel frame has a proof strength, while the wooden unit is disclosed in Japanese Patent Application Laid-Open No. 55-15 / 55.
As described in Japanese Patent Publication No. 2236, etc., a wooden floor framing and a wall framing are struck with a structural surface material to form a floor panel and a wall panel, and the floor panel and the wall panel are assembled into a box-shaped structure to form a wall. The whole and the floor have strength.

Conventionally, there are two types of two-story unit buildings, one consisting of a steel-frame unit and the other consisting of a wood-based unit. Practically, only a unit made of a steel-based unit having excellent fire resistance and proof stress exists.

[0004]

However, since the steel-frame-based unit has a high material cost and involves complicated and precise joining work such as welding, it is difficult to use a steel-based unit as compared with a wood-based unit.
It tends to be expensive. Furthermore, when it comes to a three-story steel-frame unit building, the number of steel-frame units increases, and it cannot be sold at a reasonable price, which has been a factor that has hindered the spread of three-story detached houses. . Further, if the three-story unit building is limited to the steel frame system only, contrary to the demand for diversification of the materials, the desire to develop the materials is reduced. On the other hand, the publicity and denseness of three-story detached houses are low, so strict fire-resistant structural standards for three-story buildings used for apartments, hospitals, dormitories, etc. are legally required. It is not. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a three-story unit building that can be produced at low cost while reliably maintaining resistance to seismic force, wind load, snow load, and the like. And

[0005]

According to the first aspect of the present invention, an upper frame, a lower frame, and a vertical frame are assembled into a wall frame, and the wall frame is provided with a structural surface. A plurality of wooden building units each formed in a box shape are erected along the side edges of the floor panel by connecting the wall panels to which the timbers are attached to each other in the horizontal and vertical directions. A plurality of wall panels constituting a wall of the three-storey unit building, regardless of whether it is an upper-floor wall or a lower-floor wall, While the wall thickness is set to the same size, the total number of vertical frames incorporated in the building units constituting the first-floor portion corresponding to immediately below the third-floor portion of the three-story unit building is determined by the building units constituting the three-story portion Is set to be larger than the total number of vertical frames incorporated in the.

According to the second aspect of the present invention, an upper frame, a lower frame, and a vertical frame are assembled to form a wall frame, and a wall panel having a structural surface material attached to the wall frame is a floor panel. The present invention relates to a three-story unit building completed by connecting a plurality of wooden building units formed in a box shape to each other in the horizontal and vertical directions by standing along the side edge of the panel, The plurality of wall panels constituting the wall of the building unit are set to have substantially the same wall thickness regardless of whether they are the upper floor wall or the lower floor wall, while the three-storey unit building The thicker material is used for the vertical frame incorporated in the building unit constituting the first floor portion corresponding to immediately below the third floor portion of the above than the vertical frame incorporated in the building unit constituting the third floor portion.

[0007]

According to the structure of the first aspect of the present invention, a building unit in which a number of vertical frames are incorporated in a wall panel is disposed on the first floor portion where the load is the largest. Therefore, even if it receives an excessive snow load, wind load, seismic force, etc., there is no fear that the building collapses. On the other hand, the wall thickness of the wall panel forming the wall portion of the first floor is also set to be the same as the wall thickness of the wall panel forming the wall portion of the second and third floor portions. Therefore, it is possible to secure the same interior size of the first floor of the building as the second floor and the third floor. This means that the interior size of the first floor in the three-story unit building can be the same as the interior size of each floor in the conventional two-story unit. The conventional menu can be used without changing the menu design dimensions. Therefore, even if the wooden three-story building is unitized, the number of parts (type of parts) does not increase.

[0008] In addition, the present invention is not intended to ensure the necessary structural strength by making the wall panels on the first floor thicker than the wall panels on the second and third floors. Therefore, since it is not necessary to lubricate a wide vertical frame from a large diameter tree, a stable supply of structural wood can be maintained without destroying the natural environment.

In the structure according to the second aspect of the present invention, a building unit in which a vertical frame of a thicker material than a normal one is incorporated in a wall panel is arranged on the first floor portion where the load is the largest. . Therefore, the same effect as the first aspect can be obtained.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a building unit (hereinafter referred to as a first-floor building unit) constituting a first-floor room portion of a three-story unit building according to an embodiment of the present invention.
The same-floor building unit 1 is a wooden living room unit formed by applying a wall-type construction method, and as shown in FIG.
The wall panels 3, 3, ... are erected along three side edges of the floor panel 2.

The floor panel 2 has a rectangular frame structure in which the end joists 6, 6 are nailed in a state where they are orthogonal to the floor joists 4, 4,... Are also attached between the floor joists 4, 4,... And the side joists 5, 5, to form a floor frame. A structural plywood or a particle board is provided on the upper surface of the floor frame. Are also provided on the lower surface of the floor frame.
Are attached to each other. The bases 9, 9,... Are placed on the back side of the floor panel 2 and on the lower surfaces of the side joists 5 and the end joists 6, which are to be disposed immediately above the foundation.
Further, the joists 5 and 6 are abutted and fixed along the longitudinal direction thereof, and one side edge portion is fixed to these joists 5 and 6.
Of the floor panel 2 from the inner surface of the floor panel 2. At the time of assembling and constructing the unit building, each base 9 is placed in contact with the upper surface of the foundation and fastened and fixed with anchor bolts.

Each of the wall panels 3 has a vertical frame 10, 10,.
The upper frame 11 and the lower frame 12 are respectively nailed at the upper end and the lower end of the wall in a state of being abutted with these wooden edges to form a wall frame, and a gypsum board, a wood chip cement board, etc. are provided on both inner and outer surfaces of the wall frame. Are mounted, and further, a heat insulating material is loaded inside. In addition, these wall panels 3 are formed with openings such as doorways and windows as necessary. As a structural material for a wooden two-story unit building, 204 materials (thickness 38 mm, width 89
mm) is also used as it is in the vertical frames 10, 10,... of this example. However, each of the wall panels 3 is constituted by a large number of vertical frames 10, 10,... As compared with a normal wall panel applied to a two-story unit building, whereby the structural strength is enhanced. ing.

FIG. 2 is a sectional view showing the structure of the joint of the first-floor building unit 1. As shown in the figure, the wall panel 3 is erected on the floor panel 2 by being nailed in the lower frame 12. FIG. 1 shows the first-floor building unit 1 in which the wall panel 3 is erected on three side edges of the floor panel 2 and forms a U-shaped wall. Depending on which part to configure,
For example, a first-floor building unit forming an L-shaped wall and a first-floor building unit forming a two-shaped wall are also formed.

On the upper frame 11, a plurality of upper and lower floor connecting bolts 14 used for fixing a second-floor building unit placed directly above the upper frame 11 are separated from each other by a predetermined distance, and
It is planted in a state where the male screw portion is projected upward. On the other hand, each base 9 is provided with a plurality of bolt insertion holes 15 for inserting anchor bolts projecting from the upper surface of the foundation along the longitudinal direction.

FIG. 3 is a perspective view showing a building unit (hereinafter referred to as a second-floor third-floor building unit or a second-floor (third-floor) building unit or the like) constituting the second- and third-floor room portions of the three-floor unit building of this example. FIG. The second-floor third-floor building unit 16 is common to the first-floor building unit 1 in that it is a wood-based unit formed by applying a wall-type construction method, but the vertical frame (204) for the wall panels 17, 17,. Materials) 10, 1
Compared with the wall panels 3, 3,... Applied to the first-floor building unit 1, the total number of installations of 0,.
It is different from the first-floor building unit 1. Wall panel 17,1
The total number of vertical frames incorporated in a normal wall panel applied to a two-story unit building, although the total number of vertical frames 10, 10,. Is set to approximately the same number as
The thickness of the wall panel is set to be the same for the first-floor building unit and the second-floor third-floor building unit 16. Since the load and external stress applied to the second- and third-floor building units 16 are substantially the same as the load and external stress applied to each building unit of the two-story unit building, the total number of vertical frames 10, 10,. Is smaller than that of the first-floor building unit 1,
There is no problem in structural strength. In the second-floor and third-floor building units 16, portions corresponding to the base 9 of the first-floor building unit 1 are referred to as head joints 18, 18,...
The corresponding upper surface of the wall panel 3 of the first-floor building unit 1 (the upper frame 1
It comes into contact with 1) and is joined by bolts.

The first-floor building unit 1 and the second-floor third-floor building unit 16 having the above-described structure are produced in advance in a factory as box-shaped units having a size capable of being transported in order to increase the industrial production rate of the building. It is transported to the site, lifted by a crane, and constructed and assembled. FIG. 4 schematically shows a three-story unit building 19 completed in this way, wherein the first-story building units 1, 1,... The first-floor building units 1 and 1 are mutually connected between the upper frame and the upper frame via a joint plate (not shown). The connection between the first-floor building unit 1 and the second-floor building unit 16 is shown in FIG.
As shown in the figure, when the second-floor building unit 16 is placed on the upper part of the first-floor building unit 1, the upper and lower floor joint bolts of the upper frame 11 projecting from the upper surface of each head joint 18 via the bolt insertion holes 15. 14 by screwing a nut 21. The same applies to the connection between the second-floor building unit 16 and the third-floor building unit 16.

As described above, according to the above structure, a building unit having a large number of vertical frames is used in the first floor portion where the load is the largest, so that excessive snow load, wind load, seismic force, etc. There is no fear that the building will collapse.
On the other hand, the wall thickness of the wall panel 3 constituting the wall portion of the first floor is also
Since the wall thickness of the wall panel 17 constituting the walls of the second floor and the third floor is set to the same thickness, the same interior size as the second floor and the third floor is secured for the first floor of the building. it can. This means that the interior dimensions of the first floor in the three-story unit building 19 are the same as the interior dimensions of each floor in the conventional two-story unit, and therefore, the design dimensions of the interior menu are changed. The conventional one can be used without any change. Therefore, even if the wooden three-story building is unitized, the number of parts (type of parts) does not increase.

In addition, the vertical frame 10 incorporated in the first-floor building unit 1 has 206 materials (thickness 38 mm, width 140 mm) and 208 materials (thickness 38 mm,
184mm in width), 406 materials (89mm in thickness, 140m in width)
m) and 408 (thickness 89 mm, width 184 mm) and other thick materials are not used, so there is no need to produce a wide vertical frame from a large diameter tree, without destroying the natural environment.
Sustain stable supply of structural timber.

Although the embodiment of the present invention has been described in detail with reference to the drawings, the specific configuration is not limited to this embodiment, and the design may be changed without departing from the scope of the present invention. Is also included in the present invention. Further, in the above-described embodiment, the second-floor building unit constituting the second-floor part of the building has the same configuration as the third-floor building unit, but may have the same configuration as the first-floor building unit. If you do this,
Strength is further strengthened.

In the above-described embodiment, a general-purpose vertical frame member (204 members) is provided on the first floor portion where the load is the largest.
Has been described to form a wall panel by incorporating a large number of vertical frames.
While the number is approximately the same as that of the second- and third-floor building units, for example, thick materials such as 304 materials (thickness 64 mm, width 89 mm) and 404 materials (thickness 89 mm, width 89 mm) in the JAS size format are used as vertical frames. Even if it does in this way, the same effect as the above-mentioned embodiment can be obtained without changing the wall thickness.

[0021]

As described above, according to the structure of the present invention, a building unit (or a thick-framed vertical frame) in which a large number of vertical frames are incorporated is incorporated in the first floor portion where the load is the largest. Building unit), there is no fear that the building will collapse even if it receives an excessive snow load, wind load, seismic force, or the like. On the other hand, the wall thickness of the wall panels forming the first floor portion is also set to be the same as the wall thickness of the wall panels forming the second and third floor portions. , The same indoor size as that of the second floor portion and the third floor portion can be secured. This means that the interior dimensions of the first floor part in the three-story unit building can be set to be the same as the interior dimensions of each floor part in the conventional two-story unit, and if the same as the conventional two-story unit, The conventional menu can be used without changing the design dimensions of the room menu. Therefore, even if the wooden three-story building is unitized, the number of parts (type of parts) does not increase.

In addition, the present invention secures the necessary structural strength by making the wall panels of the building units constituting the first floor part thicker than the wall panels of the building units constituting the second and third floor parts. It is not the purpose. Therefore, since it is not necessary to lubricate a wide vertical frame from a large diameter tree, a stable supply of structural wood can be maintained without destroying the natural environment.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first-floor building unit constituting a first-floor room portion of a three-story unit building according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a structure of a joint portion of the same-floor building unit.

FIG. 3 is a perspective view showing a second-floor third-floor building unit constituting a second-floor / third-floor room portion of the third-floor unit building.

FIG. 4 is a diagram schematically showing the three-story unit building.

FIG. 5 is a cross-sectional view showing a structure of a joint of the three-story unit building.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 First-floor building unit (woody building unit) 2 Floor panel 3 Wall panel 10 Vertical frame 11 Upper frame 12 Lower frame 13 Surface materials 16 Second-floor third-floor building unit 19 Three-floor unit building

Claims (2)

(57) [Claims] An upper frame, a lower frame, and a vertical frame are assembled to form a wall frame, and a wall panel having a structural surface material attached to the wall frame is erected along a side edge of the floor panel. A three-story unit building completed by connecting a plurality of wooden building units each formed in a box shape to each other horizontally and vertically by installing A plurality of wall panels, regardless of whether they are on the upper floor or on the lower floor, the wall thicknesses are all set to substantially the same dimensions, while the third floor unit of the three-story unit building The total number of vertical frames incorporated in the building units constituting the first floor portion corresponding immediately below is set to be larger than the total number of vertical frames incorporated in the building units constituting the third floor portion. Three-story unit building. 2. A wall panel comprising an upper frame, a lower frame, and a vertical frame assembled to form a wall frame, and a wall panel formed by attaching a structural surface material to the wall frame is erected along a side edge of the floor panel. In a three-story unit building completed by connecting a plurality of wooden building units each formed in a box shape to each other in the horizontal direction and the vertical direction, a plurality of building units constituting a wall portion of the building unit are provided. Regardless of whether it is on the upper floor or on the lower floor, the wall thickness of each of the wall panels is set to substantially the same dimension, while the wall panel corresponds to the area immediately below the third floor portion of the three-story unit building A three-story unit building, wherein a vertical frame incorporated in a building unit constituting the first floor portion uses a thicker material than a vertical frame incorporated in the building unit constituting the third floor portion.