JPH1193270A - Unit building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a unit building capable of locally eliminating structural members such as a ceiling beam, a floor beam and a pillar, minimizing the number of bolts, and miniaturizing the bolts. SOLUTION: A pillar-top metal piece 6 is fixed to an upper part of a pillar 3, and ceiling beams 4A, 4B are joined with the pillar-top metal piece 6 through a joint piece 10. The pillar-top metal piece 6 is formed into a longitudinal shape longer than the height of the ceiling beams 4A, 4B. When two building units are joined with each other, the metal pieces 6 are connected to each other by a high tension bolt 14 and a nut 16 on the inside and on the lower side of the ceiling beam 4B. A pillar-leg metal piece of similar construction is fixed to a lower part of the pillar 3. The pillar-leg metal piece is formed into a longitudinal shape longer than the height of the floor beam, and when the building units are joined with each other, the pillar-leg pieces are connected to each other by bolts on the upper side and on the inner side of the floor beam.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a unit building formed by joining a plurality of building units.

[0002]

2. Description of the Related Art A conventional unit building is disclosed, for example, in Japanese Patent Application Laid-Open No. Hei 7-127269 filed by the same applicant.
Is described in Japanese Patent Application Publication No. This unit building
A plurality of building units having a ceiling beam, a floor beam, and a column are provided, and the building units are joined to each other by bolt-connecting a connecting member made of a lightweight steel material to a pillar made of a lightweight steel material.

[0003]

However, according to the above-mentioned prior art, if it is attempted to partially omit structural members such as ceiling beams, floor beams or columns for the purpose of enlarging the space in the unit building, structurally, There is a disadvantage that it is difficult to partially omit these structural members without reinforcement outside the building unit due to insufficient strength.

[0004] Further, since the portion to be bolted is limited to a narrow area inside the ceiling beam or inside the floor beam, the number of bolts used must be increased in order to rigidly join the capital hardware or the column base hardware. And that large bolts must be used.

An object of the present invention is to partially omit structural members such as ceiling beams, floor beams or columns, to minimize the number of bolts used, and to reduce the size of bolts. Is to provide a unit building.

[0006]

In order to achieve the above object, according to the first aspect of the present invention, a plurality of building units each having a ceiling beam, a floor beam, and a column are provided, and a beam-to-column intersection of each of the building units is provided. In a unit building where the building units are joined by bolting together the joining hardware provided at the section or the beam-to-beam intersection, the joining hardware is higher than the height of the beam joined to the hardware. It is formed in a long vertically long shape, and the hardware is bolted to at least one location inside the beam and at least one location above or below the beam.

According to a second aspect of the present invention, in the first aspect, a ceiling beam, a floor beam, or a column is partially omitted at a location where the metal fitting is provided. According to a third aspect of the present invention, in the first aspect, the hardware is bolted to each other by a high-strength bolt.

[0008]

According to the first aspect of the present invention, since the height of the metal fitting is longer than the height of the beam to be joined to the metal fitting, at least one portion inside the beam and at least one portion above or below the beam.
Can be bolted in place. Accordingly, it is possible to increase the span between the bolts, and it is possible to rigidly join the hardware without increasing the number of bolts used or using a large-sized bolt. As a result, structural members such as ceiling beams, floor beams, and columns can be partially omitted.

According to the second aspect, the space in the unit building can be enlarged by partially omitting the ceiling beams, floor beams or columns. According to the third aspect, the hardware can be rigidly joined to each other by the high-strength bolt.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 1, the unit building 1 is configured by installing a plurality of building units 2 on the left and right and up and down. . In the upper and lower corners 2a to 2d, the ceiling beam and the floor beam intersect with each other between the ceiling beams or the floor beams, and the columns, and these upper and lower corners 2a to 2d form the column and beam intersection or the beam and beam intersection. Is formed.

As shown in FIG. 2, the building unit 2 has four pillars 3 made of square steel pipe and two long ceiling beams 4A made of shaped steel.
And short ceiling beams 4B, and two long floor beams 5A each made of shaped steel
And a short floor beam 5B in a box shape.
At the upper corner of the building unit 2, that is, at the upper end of the column 3, a capital piece 6 made of cast iron is used. At the lower corner of the building unit 2, that is, at the lower end of the column 3, a column base metal 7 made of cast iron is used. Are attached.

Here, the detailed structure of the stigmas 6 will be described with reference to FIGS. FIG. 3 is a perspective view showing the vicinity of the upper corner of the building unit 2. 4 is a horizontal sectional view of FIG. 3, and FIG. 5 is a sectional view taken along line AA of FIG.

The capital fixture 6 is fixed to the upper part of the column 3 as shown in FIG. That is, an end plate 3A is fixed to the upper end of the column 3 by welding, and a bolt 9 is screwed to a weld nut 8 fixed to the bottom surface side of the end plate 3A, so that the column cap metal 6 is placed above the column 3. Fixed. As shown in FIGS. 3 to 5, the capital fitting 6 has a box shape with one side open, and includes a front plate 6 </ b> A, upper and lower end plates 6 </ b> B, 6.
C, having both side plates 6D, 6E, and intermediate plates 6F, 6G,
Has high structural strength.

The joint piece 1 is provided on the side of the capital hardware 6.
0 is welded, and the capital hardware 6 is joined to the long ceiling beam 4A and the short ceiling beam 4B via the joint piece 10. The cross-sectional shape of the joint piece 10 is U-shaped, like the ceiling beams 4A and 4B.

As shown in FIG. 5, the capital metal 6 has a height H which is longer than the height h of the long ceiling beam 4A and the short ceiling beam 4B. Although only the short ceiling beam 4B is shown in FIG. 5, the height of the long ceiling beam 4A is h as in the case of the short ceiling beam 4B. The front plate 6A of the capital hardware 6 has bolt through holes 6 at upper and lower portions.
H, 6I (see FIG. 3) are formed. In a state where the short ceiling beam 4B is joined to the capital hardware 6, the bolt through hole 6
H is the inside of the short ceiling beam 4B (the inside of the U-shaped cross section)
The bolt through-holes 6I are respectively located below the short ceiling beams 4B.

The column base metal member 7 has substantially the same configuration as the column head metal member 6, and is fixed to the lower portion of the column 3 by screwing a weld nut and a bolt. As shown in FIG. 6, a joint piece 11 is welded to the side surface of the column base metal member 7, and the column base metal member 7 is joined to the long floor beam 5A and the short floor beam 5B via the joint piece 11, respectively. I have. The cross-sectional shape of the joint piece 11 is U-shaped as in the case of the floor beams 5A and 5B.

The column base metal 7 is formed in a vertically long shape whose height is longer than the heights of the long floor beam 5A and the short floor beam 5B. The heights of the long floor beam 5A and the short floor beam 5B are the same. Bolt through-holes 7H and 7I are formed at two locations, upper and lower, respectively, on the front plate of the column base metal 7 (provided on the opposite side of the open portion similarly to the column capital metal 6). When the short floor beam 5B is joined to the column base hardware 7,
The bolt through hole 7I is located inside the short floor beam 5B (inside of the U-shaped cross section), and the bolt through hole 7H is located above the short floor beam 5B.

When the two building units 2 are joined to each other, the building units 2 are juxtaposed such that the long ceiling beams 4A and the long floor beams 5A of the building units 2 are aligned with each other. Has a spacer 12,
A spacer 13 is interposed between the column base hardware 7. Spacer 1
2 is formed so that its length and width match the front plate 6A of the capital hardware 6, and the spacer 12 has bolt through holes 12A and 12B corresponding to the bolt through holes 6H and 6I.
Are formed. The spacer 13 is formed such that its length and width match the front plate of the column base metal fitting 7. Further, the spacer 13 has bolt through holes 13A and 13B corresponding to the bolt through holes 7H and 7I. I have.

The capital fittings 6 of each building unit 2 are bolted together. That is, one building unit 2
High-strength bolt 14 from the open side of the capital hardware 6
Is inserted through the bolt through holes 6H, 12A, 6H, and a nut 16 is attached to the high-strength bolt 14 so as to sandwich the washer 15 from the open side of the capital piece 7 provided on the other building unit 2. Screw and tighten. Similarly, the column base metal fittings 7 of each building unit 2 are bolted together using the high-strength bolts 17, washers 18 and nuts 19. Here, as the high-strength bolts 14 and 17, torcia-type high-strength hexagon bolts are used.

According to the present embodiment, the capitals 6 are fixed to each other inside and below the short ceiling beam 4B by the bolts 14, so that the span between the two bolts 14 can be made long, and Since the leg fittings 7 are fixed to each other on the upper side and the inner side of the short floor beam 5B by the bolt 17, the span between the two bolts 17 can be made longer. For this reason, it is possible to rigidly join the column capital pieces 6 or the column base metal pieces 7 without increasing the number of bolts used or using large-sized bolts. As a result, it is possible to partially omit structural members such as ceiling beams, floor beams or columns.

Next, an example in which the center metal 6 or the column base metal 7 having the above configuration is used to omit the center column of the building unit will be described with reference to FIG. In FIG. 7, building units 20, 30 are installed on the lower floor, and building units 40,
50 is installed on the upper floor. The building unit 20 is the ceiling beam 2
1. The building unit 30 has a ceiling beam 31, a floor beam 32, and a column 33, respectively. The building unit 40 includes a ceiling beam 41, a floor beam 42, and a pillar 4
3, and the building unit 50 has a ceiling beam 51, a floor beam 52 and a column 53. Openings 24, 34 are provided on the upper surfaces of the building units 20, 30, respectively.
Are provided on the lower surface of the housing, respectively, and when the building units 20, 30, 40, 50 are joined to each other, for example, stairs are installed in the openings 24, 34, 44, 54.

Then, the ceiling beam 21A of the building unit 20
The ceiling beam 31A of the building unit 30 is joined with the capital hardware having the above configuration. Further, the floor beam 42A of the building unit 40 and the floor beam 52A of the building unit 50 are joined using the column base hardware having the above configuration. By using the column capital hardware or the column base metal hardware in this way, the ceiling beam 21A and the ceiling beam 31A are rigidly connected and the floor beam 42A and the floor beam 52A are rigidly connected. The center pillars 25, 35, 45, 55 can be omitted.

The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration is not limited to this embodiment.
The present invention includes any design change or the like within a range not departing from the gist of the present invention.

For example, the upper and lower portions of the column hardware 6 are connected by one bolt 14, and the upper and lower portions of the column base metal 7 are connected by one bolt 17, respectively.
In the case where an excessive load is applied to the portion of the column base metal fitting 7, the number of the high-strength bolts 14 and 17 may be increased.

[0025]

As described above, according to the present invention,
It is possible to increase the span between bolts, so that hardware can be rigidly joined together without increasing the number of bolts used or using large-sized bolts. As a result, structural members such as ceiling beams, floor beams, and columns can be partially omitted, and it is possible to realize a space-shaped living room that was structurally impossible in a conventional unit building.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a unit building.

FIG. 2 is a schematic diagram illustrating an example of a building unit.

FIG. 3 is an enlarged perspective view of the vicinity of an upper corner of a building unit.

FIG. 4 is a horizontal sectional view of FIG. 3;

FIG. 5 is a sectional view taken along line AA of FIG. 4;

FIG. 6 is an enlarged perspective view of the vicinity of a lower corner of a building unit.

FIG. 7 is a diagram illustrating an example in which a center pillar of a building unit is omitted.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Unit building 2 Building unit 3 Pillar 4A, 4B Ceiling beam 5A, 5B Floor beam 6 Column metal 7 Column base metal 10,11 Joint piece 12,13 Spacer 14,17 High strength bolt 16,19 Nut

Claims (3)

[Claims] A plurality of building units each having a ceiling beam, a floor beam, and a column are provided, and metal fittings provided at a beam-beam intersection or a beam-beam intersection of each building unit are bolted to each other. In the unit building in which each of the building units is joined, the joining hardware is formed in a vertically long shape longer than the height of a beam joined to the hardware, and the hardware is attached to at least one location inside the beam. A unit building, which is bolted at at least one position above or below a beam. 2. The unit building according to claim 1, wherein a ceiling beam, a floor beam, or a column is partially omitted at a location where the hardware is provided. 3. The unit building according to claim 1, wherein the hardware is bolted to each other with high-strength bolts.