JPH108618A - Floor structure of building unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To attain the degree of freedom in the orientation of arranging flooring by forming an outer edge of floor of square shape in plane of two long floor beams and two short floor beams, laying a plurality of floor joints between the two opposite long floor beams, and arranging a second floor joint being parallel to the long floor beam while being vertical to a first floor joint. SOLUTION: A frame 2 of a housing unit 1 is formed in a rectangular parallelopiped shape of rigid frame structure of four corner columns 3, two long floor beams 4, two short floor beams 5, two long ceiling beam 6, two short ceiling beams connecting lower and upper ends of the coins 3 to each other. A plurality of first floor joints 9 are layed at an equal pitch between the two beams 4, and the ends thereof are connected to the beams 4 through brackets. Second floor joints 11 are arranged between the short floor beams 5 at an equal pitch in the direction vertical to the firs floor joints 9. The height of the first joint 9 is larger than that of the second joint 11, and the second joint 11 is fitted into an upward recess 12 formed by cutting the first joint 9. After the arrangement, the top surfaces of the joints 9, 11 are made same in height.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor structure of a building unit which is a constituent element of a unit type building, and is applicable to a building unit having a frame formed of columns and beams.

[0002]

2. Description of the Related Art A unit-type building is constructed by combining a plurality of building units previously produced in a factory at a construction site, and each building unit has a frame of a ramen structure formed by columns and beams. The outer edge of the floor of the building unit is formed into a plane quadrangle with two long-side floor beams and two short-side floor beams, and a plurality of floor joists are installed between the two long-side floor beams that are arranged opposite to each other. There is. Then, a flooring, which is a floor finishing material, is placed on the upper surfaces of these floor joists via a floor base material, and the flooring is bonded to the floor joists and nailed to the floor joists. Since the flooring is nailed and fixed to the floor joists in this way, conventionally, the flooring that can be laid on the floor of the building unit has been limited to one direction in which the flooring is installed between the floor joists.

[0003]

However, a unit-type building composed of a plurality of rectangular parallelepiped building units is not limited to being built with the respective building units arranged in the same direction. One of them is arranged at a right angle to the other, so that the long side of one building unit and the short side of the other building unit are parallel, and the indoor space such as a living room that spans these building units is a unit type. It may be provided in the building. In such a case, if the direction of the flooring that can be laid on the floor of the building unit is one direction, the direction of the flooring changes at the boundary between the building units in an indoor space such as a living room, which is not preferable in appearance. .

Further, when two rooms partitioned by, for example, a partition wall are provided in the same building unit, the direction of the flooring must be different depending on the purpose of use of these rooms and the furniture to be installed. However, in the past, it has not been possible to provide a plurality of rooms having different flooring directions inside the same building unit.

It is an object of the present invention to provide a floor structure of a building unit in which the flooring is not limited to one direction and a degree of freedom in the flooring orientation can be obtained.

[0006]

In order to achieve this object, the floor structure of a building unit according to the present invention will be described with reference to the drawings. Two long-side floor beams 4 and two short-side floor beams 5 are provided. In the floor structure of the building unit in which the outer edge of the floor 8 having a flat rectangular shape is formed and a plurality of floor joists 9 are erected between the two long-sided floor beams 4 disposed opposite to each other, the floor joists 9 One floor joist is provided, and a second floor joist 11 that is orthogonal to the first floor joists 9 and parallel to the long-side floor joist 4 is provided.

According to this, the floor joists include a first floor joist 9 and a second floor joist 11, and since the second floor joist 11 is orthogonal to the first floor joist 9, the flooring 15 is laid. Can be performed by selecting one of the two orthogonal directions, and the direction of the flooring 15 can be freely determined from these directions.

In the above, in order to make the first floor joist 9 and the second floor joist 11 orthogonal to each other, the second floor joist is short with respect to the first floor joist 9 installed between the two long-side floor joists 4. The short second floor joist may be erected between the first floor joists 9 and joined to the first floor joists 9 by nailing or the like, but the height of the first floor joists 9 is set to the second floor joists. It is larger than the height of joists 11 and the first floor joists 9
It is preferable that an upward concave portion 12 is formed in the notch, and the long second floor joist 11 is fitted into the concave portion 12.

In this way, the second floor joists 11 are
The floor joists 9 will be able to receive it. As a result, the vertical load acting on the second floor joists 11 has a relatively short length corresponding to the short side floor beams 5 of the building unit 1 and has a large height. The first floor joists 9 can be effectively supported.

The end portion of the second floor joist 11 may be connected to the short-side floor joist beam 5 of the building unit 1 through a bracket. When the floor joist 11 is fitted, the vertical load acting on the second floor joist 11 can be effectively supported by the first floor joist 9, so that the end of the second floor joist 11 is connected to the short side floor of the building unit 1. The structure connected to the beam 5 may be a simple structure, and for example, the end portion of the second floor joist 11 may be fixed to the short-side floor beam 5 with the nail 14 to fix it.

Although the first and second floor joists 9 and 11 may be provided over the entire surface of the floor 8 of the building unit 1, a part of the floor includes the first floor joists 9 and the second floor joists 11. A floor joist space 12 in which at least one is not disposed may be provided.

When such a floor joist space 12 is provided in a part of the floor, the floor space 12 can be used, for example, for storing underfloor or digging kotatsu in a unit-type building.

The first and second floor joists 9 and 11 may be arranged at any positions on the floor of the building unit 1. However, these floor joists 9 and 11 are arranged on the basis of the basic dimensions (module) of the building unit 1. It is desirable to place it in a vertical position.

In this manner, for example, the partition walls 21,
22 to the position based on the basic dimensions of the building unit 1 first
The floor joists 9 and the second floor joists 11 can be used for fixing, and as a result, the room 2 having a size according to the basic dimensions can be secured.
3 and the like can be provided in a unit-type building.

In the above, the present invention can be applied to any skeleton structure as long as it is a building unit in which the outer edge portion of the floor is formed in a square shape with two long-side floor beams 4 and two short-side floor beams 5, respectively. Building units having two long-side ceiling beams 6 and two short-side ceiling beams 7 in addition to the four pillars 3 arranged at the four corners, and two long sides each. The present invention can also be applied to a building unit having no ceiling beam 6 or short side ceiling beam 7.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a skeleton 2 of a building unit 1. The skeleton 2 includes four columns 3 at four corners, two long-side floor beams 4 connecting between lower ends of these columns 3, and
The short-side floor beam 5 and the two long-side ceiling beams 6 and the short-side ceiling beams 7 each connecting the upper ends of the columns 3 are formed in a rectangular parallelepiped shape having a rigid frame structure. The long side floor beam 4 and the short side floor beam 5 are formed in a plane quadrilateral.

A plurality of first floor joists 9 are installed at equal pitches between the two long-sided floor beams 4 arranged opposite to each other.
The end of the floor joist 9 is connected to the long-side floor beam 4 via a bracket 10. In addition, a plurality of second floor joists 11 are erected at equal pitches between the two short-sided floor beams 5 arranged facing each other,
These second floor joists 11 are orthogonal to the first floor joists 9 and are parallel to the long-side floor joists 4.

FIG. 2 is an exploded perspective view of an orthogonal portion of the first floor joist 9 and the second floor joist 11. The height of the first floor joist 9 is larger than the height of the second floor joist 11, and each of the first floor joists 9 is provided with a notch-formed upward recess 12, and the width and height of the recess 12 The dimensions are the same as the width and height of the second floor joist 11. The second floor joist 11 is fitted into the recess 12 and is erected between the two short-side floor joists 5, and after this erection, the upper surface of the first floor joist 9 and the upper surface of the second floor joist 11 have the same height. Become.

FIG. 3 shows the second floor joist 1 with respect to the short side floor beam 5.
1 shows a bonding structure. The short side floor beam 5 is made of the same channel material as the long side floor beam 4, and the vertical web 5 </ b> A has a nail hole 13.
The end portion of the second floor joist 11 is fixed to the short-side floor beam 5 by a nail 14 which is inserted into the nail hole 13 and driven horizontally.

As described above, the first floor 8 of the building unit 1
After placing the second floor joists 9 and 11, a floor base material such as a particle board is attached to the upper surfaces of these floor joists 9 and 11, and the flooring 15 (see FIG. 4) is placed thereon.
The flooring 15 is attached to the floor base material and fixed to the floor joists 9 or 11 by nailing.

According to this embodiment, on the floor 8 of the building unit 1, the first floor joists 9 installed between the long side floor beams 4 and the first floor joists 9 are provided.
Since the second floor joist 11 erected between the short side floor beams 5 at right angles to the floor joist 9 is provided, the flooring 1
5 is installed between the first floor joists 9 to make the flooring 15 parallel to the long-side floor joist 4, and the flooring 15 is installed between the second floor joists 11 so that the flooring 15 is oriented on the short-side floor It can be made parallel to the beam 5.

For this reason, as shown in FIG. 4, the unit-type building to be built at the construction site is composed of building units 1A to 1F, and the building unit 1E is arranged at a right angle to the building unit 1A so that the long side of the building unit 1A and the building The short side of the unit 1E is parallel and both building units 1A, 1E
When an indoor space 16 such as a living room is provided in a unit-type building, the direction of the flooring 15 in the indoor space 1 can be the same.

Further, when two rooms 18 and 19 partitioned by a partition wall 17 are provided inside the same building unit 1D, the floors 15 of these rooms 18 and 19 are made to have different directions, and The orientation of the flooring 15 can be set according to the purpose of use 19, the furniture to be installed, and the like.

Further, the first floor joist 9 and the second floor joist 11 are perpendicular to each other.
2 is provided and the second floor joist 11 is fitted into the recess 12, so that the resident who acts on the second floor joist 11,
Vertical load such as furniture can be received by the first floor joist 9,
This first floor joist 9 is a short floor joist having a length corresponding to the short side floor joist 5 of the building unit 1, has a large height, and originally has a large strength, so that the vertical load acting on the second floor joist 11 is vertical. Can be effectively supported.

In addition, since the vertical load acting on the second floor joist 11 can be effectively supported by the first floor joist 9 as shown in FIG. Floor beam 5
The structure of connecting to the short side floor beam 5 with the nail 14 is the second floor joist 1
It is sufficient to simply connect the end portions of 1 and it is not necessary to use a metal fitting such as a bracket, so that the structure can be simplified, the work process can be simplified, and the cost can be reduced.

FIG. 5 shows another embodiment of the present invention. In this embodiment, the first and second floor joists 9.1 and 1
There is a floor joist 20 where 1 is not placed. When such a floor joist space 20 is provided in a part of the floor 8, the floor joist space 20 allows the underfloor storage unit and the digging kotatsu to be installed in the unit-type building.

The floor joists may be formed by lacking both floor joists 9 and 11, or may be formed by omitting either one of the floor joists 9 and 11. If both the floor joists 9 and 11 are missing, a large floor joist space can be formed.

In the embodiment of FIG. 6, the arrangement positions of the first floor joists 9 and the second floor joists 11 in the building unit 1 are based on the basic dimensions (modules) that are the basis of the dimensions of the building unit 1. When one module is, for example, 910 cm, the P shown in FIG.
Is, for example, 455 centimeters. In this way, when the first and second floor joists 9 and 11 are arranged at the positions based on the basic dimensions of the building unit 1, the partition walls 21 and 22 are firstly arranged.
And standing on the second floor joists 9 and 11, and fixing these partition walls 21 and 22 to the first and second floor joists 9 and 11 by nailing or the like, thereby separating the partition walls 21 and 22. The size of the room 23 that is formed in the unit-type building can be set based on the basic size of the building unit 1.

In each of the above embodiments, the first floor joists 9
The flooring 15 erected between the second floor joists 11 is
An elongated long flooring piece may be used, or a flooring panel in which a plurality of flooring pieces are integrated in a horizontal direction in advance and have a certain area may be used.

[0030]

According to the present invention, it is possible to select the direction of the flooring laid in the building unit from the direction parallel to the long side floor beams and the direction parallel to the short side floor beams of the building unit. Can be obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the entire framework of a building unit.

FIG. 2 is an exploded perspective view of an orthogonal portion between a first floor joist and a second floor joist.

FIG. 3 is a cross-sectional view showing a connection structure of an end portion of a second floor joist to a short side floor beam.

FIG. 4 is an overall plan view of the unit-type building showing directions of flooring laid on the floor of the building unit.

FIG. 5 is a perspective view showing an embodiment in which a floor joist space is provided in a part of the floor.

FIG. 6 is a plan view showing an embodiment in which first and second floor joists are arranged at positions based on basic dimensions of a building unit.

[Explanation of symbols]

 1, 1A to 1F Building unit 2 Frame 3 Pillar 4 Long side floor beam 5 Short side floor beam 8 Floor 9 First floor joist 11 Second floor joist 12 Recess 14 Nail 15 Flooring 20 Floor joist void

Claims (5)

[Claims] 1. A two-sided floor beam and a two-sided floor beam each form an outer edge portion of a floor having a quadrangular plane, and a plurality of floor joists are installed between the two long-sided floor beams that are arranged opposite to each other. In the floor structure of the building unit, the floor joists are first floor joists, and second floor joists that are orthogonal to these first floor joists and are parallel to the long-side floor joists are provided. The floor structure of the building unit. 2. The floor structure of a building unit according to claim 1, wherein the height of the first floor joist is larger than the height of the second floor joist, and the height of the first floor joist is increased by a notch formed in the first floor joist. 2
A floor structure of a building unit, wherein a floor joist is fitted. 3. The floor structure of a building unit according to claim 2, wherein the end of the second floor joist is nailed to the short side floor beam. 4. The floor structure of a building unit according to claim 1, wherein at least one of the first floor joist and the second floor joist is not arranged in a part of the floor. The floor structure of the building unit, which is characterized by being provided. 5. The floor structure of a building unit according to claim 1, wherein the first and second floor joists are arranged at positions based on the basic dimensions of the building unit. The floor structure of the building unit.