JP2000160695A - Unit building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the degree of freedom of a floor plan, and to reduce cost by increasing strength by obtaining frame strength by jointly using a standard building unit having standard strength and a high-strength building unit. SOLUTION: In the unit building 30, frame strength is increased without using a reinforcing frame and a split unit by installing sections, in which frame strength must be made larger than standard strength, such as high-strength building units 10B as the lower-floor building units of a multistoried building or as at least a part of building unit groups in a row when the building unit has the building unit groups in a row, the degree of freedom of a floor pan in the unit building 30 is improved, and cost can be reduced. In the high strength units 10B, strength can be augmented without changing the size of columns by increasing the wall thickness of the columns and constituting the columns of a high-strength material. The abutting sections of beams abutted against the side faces of the columns are formed in a shape coinciding with the side face shapes of the columns, and joint strength can be enhanced by joining the abutting sections with the columns.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a unit building.

[0002]

2. Description of the Related Art A unit building is constructed by installing a plurality of building units adjacent to each other by joining columns, floor beams and ceiling beams in a box shape. At this time, in the related art, for example, as shown in FIG.
Are arranged in a row, and in a single-row building unit group in which no other building unit is arranged beside each of the building units 1 to 6 in the row, each of the building units 1 to 6 is subjected to an external force acting from the side. In order to secure the frame strength of the building units 1 to 6 (the strength of the girder frame formed by columns, floor beams, and ceiling beams on a vertical plane including external force in the building units), each of the building units 1, 2, 3, and 4 Reinforcement frame 1A for girder frame
4A, or the building unit 5 is divided into two by a plane parallel to the girder frame to provide two divided units 5A and 5B. In addition, as a reinforcement frame 1A-4A, the vertical rail of both sides,
A ladder consisting of a plurality of horizontal rails spanning both vertical rails can be used (see Japanese Patent Publication No. 61-42061).

[0003]

However, the prior art has the following problems. In order to provide the reinforcing frame 1A on the outer surface of the building unit 1,
The degree of freedom in the arrangement of the openings 1B is impaired.

A part of the storage unit 3B of the building unit 3 is closed by the reinforcing frames 2A, 3A of the building units 2, 3, and the storage unit 3B is closed.
The opening cannot be made wide.

[0005] The sanitary 4B straddling the building unit 3 and the building unit 4 is narrowed by the presence of the reinforcing frame 4A of the building unit 4.

The building unit 5 is divided into two divided units 5
A and 5B, which increases the cost.

[0007] The building unit may be provided with a reinforcing frame or the building unit may be composed of a plurality of divided units.
Increasing the frame capacity of those building units is
It is also used in lower-floor building units of multi-story buildings such as floors (see Japanese Patent Application Laid-Open No. 7-82797).

An object of the present invention is to increase the frame strength of a building unit constituting a unit building without using a reinforcing frame or a divided unit, to increase the degree of freedom in layout of the unit building, and to reduce the cost. It is in.

[0009]

According to the present invention, there is provided a unit building in which a plurality of building units are installed adjacent to each other and are formed by joining columns, floor beams and ceiling beams in a box shape.
A frame formed by columns, floor beams and ceiling beams is a standard building unit having a standard proof strength, and a high-proof building unit having a high proof strength is used in combination. More specifically, in a building unit whose length in the girder direction is in the range of about 2040 mm to 5640 mm (the length in the wife direction is constant at about 2464 mm), the frame capacity of the high strength building unit is 114% of the standard building unit. It is in the range of 121%.

According to a second aspect of the present invention, when the unit building forms a multi-story building, the high-strength building unit is used as a lower-floor building unit. It was made.

According to a third aspect of the present invention, in the first or the second aspect of the present invention, the unit building further comprises a plurality of building units arranged in a line, and another building unit is provided beside each building unit in the line. When there is a single-row building unit group in which the above-mentioned building units are not arranged, at least a part of the single-row building unit group uses the high-proof building units.

The present invention described in claim 4 is the first to third aspects of the present invention.
In the present invention described above, further, the high-strength building unit has the same external dimensions as the standard building unit, the outer dimensions of the columns are made high-strength materials, and the thickness of the columns is increased. It was done. More specifically, when the column thickness of the standard building unit is 6 mm, the column thickness of the high-bearing building unit is 9 mm.

The present invention according to claim 5 provides the present invention according to claims 1-4.
In the present invention as described above, the high-strength building unit may further include a butt portion of a beam joined to a side surface of the column having a shape matching a side surface shape of the column including a curved corner of the column. It was done.

[0014]

According to the first aspect of the present invention, the following operations are provided. In a unit building, a high-strength building unit is installed in a part where the frame strength against external force needs to be higher than the standard strength (such as the first floor of a three-story building or the first floor of a snowy area). This makes it possible to increase the frame strength of the building unit constituting the relevant part without using a reinforcing frame or a divided unit, to increase the degree of freedom of the floor plan of the unit building, and to reduce the cost.

According to the present invention, the following effects are obtained. In a unit building that is a multi-story building, the above can be realized by adopting a high-proof building unit as a lower-floor building unit that requires high strength.

According to the third aspect of the present invention, the following operations are provided. In a unit building having a row-like building unit group in which an adjacent building unit cannot be installed in a narrow land or the like, at least a part of the row-like building unit group employs a high-strength building unit as a building unit requiring a high yield strength. Thereby, the above can be realized. That is, in a unit building having a frame arrangement with the smallest horizontal strength against a horizontal external force, a reinforcing frame for restricting a floor plan is not required, or even if necessary, it is only required to be provided at a column end where the influence of the plan restriction is small.

According to the present invention, the following effects are obtained. By increasing the wall thickness of the pillar, the high-strength building unit can increase the strength without changing the external dimensions of the pillar as compared with the standard building unit.

Since the high-strength building unit forms the pillars with high-strength material, the strength can be increased without changing the external dimensions of the pillars as compared with the standard building unit.

According to the fifth aspect of the present invention, the following operations are provided. In the high-strength building unit, the butt portion on the beam side butted against the side surface of the column is formed into a shape that matches the side surface shape of the column including the curved corner portion of the column and is joined to the column. The welding length when joining by welding or the like becomes long, and high joining strength can be secured. Further, the positioning accuracy of the column and the beam is improved, and the joining strength between them can be improved.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a perspective view showing a building unit, FIG. 2 shows a joint structure between a column and a beam, (A) is a perspective view showing a joint piece, and (B) shows a joint state of a beam. FIG. 3 is a perspective view, FIG.
4 is a chart showing an example of relaxation of the reinforcement structure of the building unit by adopting the high-strength building unit, FIG. 5 is a chart showing an example of relaxation of the reinforcement structure of the unit building by adopting the high-strength building unit, and FIG. 6 is a layout of the unit building. 1A is a plan view showing a conventional example, and FIG. 2B is a plan view showing an example of the present invention.

(Building Unit) (FIGS. 1 to 3) As shown in FIG. 1, the building unit 10 is configured such that the lower end portions of four square steel pipe columns 11 are respectively connected to the upper end portions via joint pieces 11A and 11B. This is a frame structure in which each of the shaped steel floor beam 12 and the shaped steel ceiling beam 13 is joined in a box shape by welding or the like. In addition, floor beams 14 are bridged between the opposing floor beams 12, floor joists 15 are fixed on the floor beams 14, and floor materials are supported by the floor joists 15. In addition, a ceiling joist 16 is bridged between the opposing ceiling beams 13, and a ceiling panel is provided on the ceiling joist 16.

However, in the present embodiment, either the standard building unit 10A or the high-strength building unit 10B can be selected and used as the building unit 10.

The standard building unit 10A has a column 11 having a rectangular cross-sectional outer dimension of, for example, 100 mm × 100 mm, a column 11 having a standard thickness of, for example, 6 mm, and a column 11 made of a structural steel material. STKR400 (Standard strength 2200
kg / cm ² ), and the constituent materials of the joint pieces 11A and 11B are, for example, structural steel materials SS400 (standard strength 2400 kg / cm ² ). As a result, the standard building unit 10A has the frame strength formed by the columns 11, the floor beams 12, and the ceiling beams 13 as the standard strength.

In the high-strength building unit 10B, the outer dimensions of the rectangular section of the column 11 are the same as those of the standard building unit 10A, and the thickness of the column 11 is, for example, 9 mm.
For example, the structural material is STKR490 (standard strength)
3000 kg / cm ² ), and the constituent materials of the joint pieces 11A and 11B are, for example, structural steel materials SM490 (standard strength 3300 kg / c).
m ² ).

In the high-strength building unit 10B, as shown in FIG. 2, the butt portions 21 of the joint pieces 11A and 11B butt-joined to the side surface of the column 11 are used.
Has a shape that matches the side surface shape of the pillar 11 including the corner 22 of the pillar 11. The pillar 11 is formed by, for example, forming a steel plate into a square shape by roll forming or the like, and the corner portion 22 has a curved surface shape. Thus, in the high-strength building unit 10B, the butting portion 2 of the joint pieces 11A and 11B is provided at the lower end or the upper end of the column 11.
1 and are welded together, and this joint piece 11A,
The floor beam 12 and the ceiling beam 13 are inserted into and welded to 11B.

As described above, the high strength building unit 10B
Is to make the frame strength formed by the columns 11, the floor beams 12, and the ceiling beams 13 higher than the standard building unit 10A.

According to the experimental results of the present inventor, the maximum external force P that the girder frame 17 of the standard building unit 10A and the high-strength building unit 10B can withstand depends on the unit size, but as shown in FIG. Building unit 1
It is observed that the frame strength of OB increases by 114-121%. In FIG. 3, the unit sizes A to E are
The width is 2464 mm and the height is 2830 mm. The length is A = 5640 mm, B = 4740 mm, C = 3840 mm, D = 29.
40 mm and E = 1800 mm.

(Example of Relaxation of Reinforcement Structure of Building Unit) (FIG. 4) The reinforcement structure required for each of the standard building unit 10A and the high-strength building unit 10B is, for example, the unit size A and the examples 1 to 5 in FIG. , And is reduced in the high-proof building unit 10B.

In Example 1, the reinforcing frame 18 required for the middle part of the girder frame in the standard building unit 10A is
In the high strength building unit 10B, it was able to be moved to the end of the girder frame. Therefore, the opening position of the window or the like can be provided at the center, and the restrictions on the plan are relaxed.

In Example 2, what had to be composed of two divided units in the standard building unit 10A is replaced by a reinforcement frame provided at the end of the girder frame of a single unit in the high-strength building unit 10B. It became. Therefore, the plan restrictions on the wife's face due to the cost reduction and the overlap of the pillars on the wife's face are eased.

In Example 3, since the reinforcing frame 18 required at the end of the girder frame in the standard building unit 10A can be deleted in the high-strength building unit 10B, the opening position can be provided at any position.

In Example 4, the standard building unit 10A had to be composed of two divided units, but the high-strength building unit 10B is sufficient for a single unit. Therefore, the same effect as in Example 2 is obtained.

In Example 5, two reinforcing frames 1 required at both ends of the girder frame in the standard building unit 10A were used.
For the high-strength building unit 10B, it is sufficient to provide one reinforcing frame 18 at one end of the girder frame. Therefore, the same effect as in Example 1 is obtained.

(Example of Relaxation of Reinforcement Structure of Unit Building) (FIG. 5) In each part of the three-story unit building, the high-strength building unit 10B is used to provide the following reinforcement structure.
It can be relaxed as in (1) to (5). In FIG. 5, the single-row type refers to a single-row building unit group in which a plurality of building units 10 are arranged in a single row, and other building units 10 are not arranged beside each of the building units 10 in the single row. The multi-row type refers to a multi-row building unit group. The unit size A is a unit whose length in the digit direction is larger than B.

(1) Standard building units 10A and 10B of unit size A installed on the first floor of a single row type
The reinforcing frame 18, which was required in the middle part of the girder frame at 0A, could be relocated to the end of the girder frame in the high-strength building unit 10B.

(2) Building unit 10A, 10B standard building unit 1 of unit size B installed on the first floor of a single row type
The reinforcing frame 18, which was required in the middle part of the girder frame at 0A, could be relocated to the end of the girder frame in the high-strength building unit 10B.

(3) Standard building units 10A, 10B of unit size A installed on the second floor of a single row type
Reinforcement frame 1 needed at the end of the girder frame at 0A
8 could be deleted in the high-proof building unit 10B.

(4) Standard building units 10A and 10B of unit size B installed on the second floor of a single row type
Reinforcement frame 1 needed at the end of the girder frame at 0A
8 could be deleted in the high-proof building unit 10B.

(5) Building units 10A and 10B standard building units 1 of unit size A installed on the first floor of a multi-row type
Reinforcement frame 1 needed at the end of the girder frame at 0A
8 could be deleted in the high-proof building unit 10B.
The effects described in (1) to (5) above become more remarkable as the unit size increases in the beam direction.

(Specific Example of Unit Building) (FIG. 6 (B)) The unit building 30 of FIG. 6 (B) is a narrow land, and a plurality of building units 31 to 36 are arranged in a line, and each building in the line is formed. It has a row-like building unit group in which no other building unit can be arranged beside the units 31 to 36, and the building units 31 to 36 respond to external forces acting on the building units 31 to 36 from the side. In order to secure the frame strength, the above-described high strength building unit 10B was adopted as each of the building units 31 to 35.

The building units 31 to 3 of the unit building 30
5 is composed of a high-strength building unit 10B, and no reinforcing frame is provided or a unit composed of divided units is not adopted. Therefore, the following advantages are obtained as compared with the unit building shown in FIG.

In the building unit 31, the reinforcing frame 1
A is unnecessary, and the symmetrical opening 1B can be arranged, and a well-balanced appearance can be configured.

In the building units 32 and 33, the reinforcing frames 2A and 3A that block the storage 3B are not required, and the opening of the storage 3B is widened, so that the convenient storage 3B can be secured.

In the building units 33 and 34, the reinforcing frame 4A
Spacious sanitary 4 that is easy to use
B could be formed.

In the building unit 35, there is no need to employ a split unit, and the cost can be reduced.

Therefore, according to the present embodiment, the following operations are provided. In the unit building 30, the high-strength building unit 10 </ b> B is installed in a part where the frame strength against external force needs to be higher than the standard strength (the first floor in the case of a three-story building, the first floor in a snowy area, etc.). By installing the unit building, it is possible to increase the frame strength of the building unit constituting the relevant part without using a reinforcing frame or a divided unit, and the unit building 3
It is possible to increase the degree of freedom of the floor plan and reduce the cost.

In the unit building 30 which is a multi-storey building, the above can be realized by adopting the high strength building unit 10B as the lower floor building unit requiring high strength.

In a unit building 30 having a row-like building unit group in which an adjacent building unit cannot be installed in a narrow land or the like, at least a part of the row-like building unit group includes:
The above can be realized by adopting the high-strength building unit 10B as a building unit requiring a high yield strength. That is, in the unit buildings 30 arranged in a single row having the smallest frame strength against the horizontal external force, a reinforcing frame for restricting the floor plan is not required, or even if necessary, it is only necessary to provide the reinforcing frame at the column end having a small influence of the plan constraint. .

By increasing the wall thickness of the column 11 in the high-strength building unit 10B, it is possible to increase the strength without changing the external dimensions of the column 11 as compared with the standard building unit 10A.

When the high-strength building unit 10B comprises the pillar 11 made of a high-strength material, the standard building unit 10B
A higher yield strength can be achieved without changing the outer dimensions of the column 11 as compared with A.

In the high-strength building unit 10B, the butt portion 21 on the side of the floor beam 12 and the ceiling beam 13 abutting against the side surface of the column 11 has the pillar 11 including the curved corner portion 22 of the pillar 11.
Is joined to the column 11 in a shape that matches the side surface shape of the joint, so that the welding length when joining the butted portions 21 by welding or the like becomes long, and high joining strength can be secured. Further, the positioning accuracy of the pillar 11, the floor beam 12, and the ceiling beam 13 is improved, and the joining strength between them can be improved.

The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration of the present invention is not limited to this embodiment, and the design may be changed without departing from the scope of the present invention. The present invention is also included in the present invention.

[0053]

As described above, according to the present invention, the frame strength of the building unit constituting the unit building is increased without using a reinforcing frame or a divided unit, and the degree of freedom of the floor plan of the unit building is increased. In addition, costs can be reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a building unit.

2A and 2B show a joint structure between a column and a beam, wherein FIG. 2A is a perspective view showing a joint piece, and FIG. 2B is a perspective view showing a joint state of the beam.

FIG. 3 is a table showing a frame strength of a building unit.

FIG. 4 is a table showing an example of relaxation of a reinforcing structure of a building unit by adopting a high-proof building unit.

FIG. 5 is a chart showing an example of relaxation of a reinforcing structure of a unit building by adopting a high-proof building unit.

FIGS. 6A and 6B show a floor plan of a unit building, FIG. 6A is a floor plan showing a conventional example, and FIG. 6B is a floor plan showing an example of the present invention.

[Explanation of symbols]

 10, 31-36 Building unit 10A Standard building unit 10B High-strength building unit 11 Column 12 Floor beam 13 Ceiling beam 21 Butt 22 Corner 30 Unit building

Claims (5)

[Claims] In a unit building in which a plurality of building units are installed adjacent to each other, wherein a column, a floor beam, and a ceiling beam are joined in a box shape, the frame strength formed by the column, the floor beam, and the ceiling beam is a standard strength. A unit building characterized by using a standard building unit of (1) and a high-proof building unit having a high strength. 2. The unit building according to claim 1, wherein when the unit building is a multi-story building, the high-strength building unit is used as a lower-floor building unit. 3. When the unit building has a plurality of building units arranged in a line, and a single building unit group in which no other building unit is arranged beside each of the building units in the line, The unit building according to claim 1 or 2, wherein the building unit having a high yield strength is used for at least a part of a building unit group. 4. The high strength building unit according to any one of claims 1 to 3, wherein the outer dimensions of the pillars are the same as those of the standard building units, the constituent material of the pillars is a high-strength material, and the thickness of the pillars is increased. A unit building according to any one of the preceding claims. 5. The high-strength building unit according to claim 1, wherein a butt portion of the beam joined to the side surface of the column has a shape matching the side surface shape of the column including the curved corner portion of the column. 5. The unit building according to any one of 4.