JP4527852B2 - Unit building - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention comprises a plurality of box-shaped building units having a frame in which one of the four pillars is omitted, and a unit in which reinforcing beams are provided in order to form a large space without pillars Concerning the ceremony building.
[0002]
[Background]
Conventionally, unit type buildings constructed by combining a plurality of box-shaped building units manufactured in a factory at a construction site are used.
As a building unit forming a unit type building, one having a rectangular parallelepiped frame connected by ceiling beams and floor beams at the upper and lower ends of pillars at four corners is generally used.
The frame of the building unit has ceiling materials supported by the ceiling beams, floor materials supported by the floor beams, interior materials such as partition walls that partition the room, and outer walls formed of lightweight cellular concrete, etc. It is assembled with.
According to such a unit-type building, in the factory, the assembly work of the interior material and the outer wall material is performed on the building unit in the factory, and after that, the building is completed only by joining the building unit. Therefore, the work at the construction site is greatly reduced, and the merit that the construction work can be completed in a short period of time can be obtained.
[0003]
In such a unit type building, one of the four pillars provided on the frame of the building unit is omitted in order to form a large space without a pillar such as a large living room. There is a case.
At this time, if one pillar is omitted, the rigidity of the building unit is reduced, and the load of the building unit or the like placed above cannot be supported. For this reason, a reinforcing beam having a length corresponding to the usual two spans is provided between the columns arranged on both sides of the portion where the column is omitted (specifically, a span of two spans is provided). (See Kaihei 8-277580).
[0004]
By the way, when building a unit type building, it is necessary to connect adjacent building units. For the connection between building units, a positioning pin projecting on the upper surface of corner corners arranged close to each other and a single metal plate (hereinafter referred to as “shear plate”) in which holes corresponding to these positioning pins are formed. .) And are used.
Here, when forming a large space without pillars inside the unit type building, we want to use the shear plate to connect the building units for large spaces, but the reinforcing beam and the shear plate are the same space. Since it occupies, both cannot be provided at the same time, and it is difficult to use the shear plate for connecting the building units for large spaces.
Therefore, a slit extending along the longitudinal direction of the reinforcing beam is provided, and a plate-like connecting member having a positioning hole is inserted into the slit of the reinforcing beam, or the connecting member is provided on the side surface of the reinforcing beam, like the shear plate. Can be considered.
If it does in this way, the vertical load of the building unit arrange | positioned at the both sides of a reinforcement beam will be transmitted to a reinforcement beam via a connection member.
[0005]
[Problems to be solved by the invention]
However, in the structure using a plate-shaped reinforcing beam, the connecting portion joined to the building unit of the connecting member is separated from the side surface of the reinforcing beam. There is a need to reinforce between the connection member.
For this reason, there exists a problem that the structure of the junction part of a reinforcement beam and a connection member becomes complicated.
[0006]
An object of the present invention is to provide a unit type building in which the rigidity of the reinforcing beam with respect to the vertical load is sufficiently ensured without increasing the weight of the reinforcing beam and the structure of the joint portion between the connecting member and the reinforcing beam is simplified. Is to provide.
[0007]
[Means for Solving the Problems]
The present invention will be described with reference to the drawings. One column 51 is omitted from a normal frame 40 formed in a rectangular parallelepiped shape by connecting the upper and lower ends of the column 41 at the four corners by the ceiling beam 42 and the floor beam 43. The large space building unit 20B having the large space frame 50 is provided, and the large space building unit 20B includes a plurality of large spaces in a state in which the corners 20D from which the pillars 51 of the large space building unit 20B are omitted are brought together. The unit type building 10 in which the space building unit 20B is disposed and the reinforcing beam 70 that reinforces the corner portion 20D from which the column 51 is omitted is provided between the side surfaces of the ceiling beam 52A of the large space building unit 20B. a is, the reinforcing beam 70 is formed in a cylindrical shape, and a side surface adjacent to the side surface of the ceiling beam 52A of the large space for building units 20B, the corner portion 20D of the large space for building units 20B And a slit 71B that Flip was formed at a position extending along the longitudinal direction of the reinforcing beam 70, the inside slits 71B, the connecting member 72 is connected to the large space for the building unit 20B is inserted, the The connecting member 72 protrudes from both side surfaces of the reinforcing beam 70 .
In the present invention, if the connecting member 72 is supported at two points on the side walls on both sides of the reinforcing beam 70, the side surface of the reinforcing beam 70 is close to the side surface of the ceiling beam 52A of the large space building unit 20B. The dimension between the joining portion of the joining member 72 joined to the large space building unit 20B and the side surface of the reinforcing beam 70 is smaller than that when a plate-like reinforcing beam is used. Thereby, it is not necessary to reinforce the joint portion between the reinforcing beam 70 and the joint member 72, and the structure of the joint portion is simplified. Moreover, even if the beam back and width dimensions of the reinforcing beam 70 are sufficiently secured, since the inside of the reinforcing beam 70 is hollow, an increase in the weight of the reinforcing beam 70 is avoided.
In addition, since such a connection member 72 is provided so as to protrude from both side surfaces of the reinforcing beam 70, normal building units 20A and 30A are connected to each other as a connecting structure for connecting adjacent large space building units 20B with the connection member 72. The same structure as the connecting structure for connecting the two can be adopted, and the connecting work for the large space building unit 20B can be easily performed in the same manner as the connecting work for the normal building units 20A and 30A.
[0008]
In the above, it is desirable that the reinforcing beam 70 is formed in a rectangular shape having a long and narrow cross-sectional shape.
If the width dimension W of the reinforcing beam 70 is set to a dimension corresponding to the gap formed between the large space building units 20B, the reinforcing beam 70 can be inserted into the gap between the large space building units 20B without any gap. The ceiling beam 52A arranged on both sides of the reinforcing beam 70 and the reinforcing beam 70 are integrated to form a high-rigidity large beam, and the ceiling beam 52A is deformed by vertical load from the upper floor, so-called The falling of the beam is prevented, and the ceiling and floor provided in the large space building unit 20B are not easily bent.
[0009]
The reinforcing beams 70 and 73A to 73G are formed by joining a pair of long members 74 formed in a C-shaped cross section with the concave portions facing each other, or a cross section Both of those formed from a rectangular integrally formed tubular material can be employed.
If such long reinforcing beams 70 and 73A to 73G are employed, for example, when forming the upper floor with a particle board, the floor beams 43A and the reinforcing beams arranged on both sides of the reinforcing beams 70 and 73A to 73G are used. By hitting the particle board to all three members 70, 73A to 73G, the three members of the reinforcing beams 70, 73A to 73G and the floor beam 43A are further integrated, and the rigidity of the integrated large beam can be further improved.
[0011]
Further, it is desirable that the connecting member 72 is obtained by diverting a normal shear plate that connects the building units 20A.
In this way, since the normal shear plate that connects the building unit 20A can be used as the connecting member 72, there is no need to change the connecting structure of the conventional building units 20A and 20B, and the connection dedicated to the reinforcing beam 70 is eliminated. There is no need to manufacture the member 72 separately, and the manufacturing efficiency of the building units 20A and 20B and the connecting member 72 is not impaired.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 shows a unit building 10 according to the present embodiment. The unit type building 10 includes a building body 12 formed on a foundation 11 and a roof 13 formed on the building body 12.
Among these, the building main body 12 is formed by combining a plurality of building units 20 and 30 formed in a box shape.
[0013]
On the first floor portion of the unit type building 10, building units 20A and 20B, which are lower floor building units, are provided.
Specifically, as shown in FIG. 2, the first floor portion of the unit building 10 includes five building units 20A arranged in an L shape along the outer peripheral edge of the building body 12, and the building unit 20A. It is formed by four building units 20B arranged at the corners of the L-shape to be formed.
Returning to FIG. 1, a building unit 30 </ b> A which is an upper-floor building unit is provided on the second floor portion of the unit building 10.
[0014]
Among these, the lower-floor building unit 20A and the upper-floor building unit 30A have a rectangular parallelepiped frame 40 having a ceiling beam 42 and a floor beam 43 connecting the upper and lower ends of the pillars 41 at the four corners, as shown in FIG. It is a normal building unit.
Among these, the column 41, the ceiling beam 42, and the floor beam 43 are connected via a joining member 44, respectively.
Note that as the joining member 44, a stigma joining member 44A disposed on the stigma side of the pillar 41 and a pedestal joint member 44B disposed on the sill side of the pillar 41 are provided.
The column base joint member 44B includes a positioning hole (not shown) into which a positioning pin 54C for determining the position of the horizontally adjacent building unit 20B is inserted, and the adjacent building units 20B and 30A. An insertion hole 44C through which a fastener 81 composed of a bolt and a nut is connected is formed (see FIG. 6).
As the ceiling beam 42 of the frame 40, there are provided two types of short-side ceiling beams 42A and long-side ceiling beams 42B having different lengths, and as the floor beams 43 of the frame 40, short-side floor beams 43A and 43A having different lengths are provided. There are two types of long side floor beams 43B.
A ceiling beam is supported between the opposing long side ceiling beams 42B to support the ceiling material (not shown), and a floor (not shown) is provided between the opposing long side floor beams 43B. A plurality of joists are spanned to support a floor material such as a particle board to be formed.
[0015]
On the other hand, in FIG. 2, the four large space building units 20B indicated by the one-dot chain line hatching are arranged adjacent to each other with the respective corner portions 20D being brought together as shown in FIG. ing.
In the building unit 20B, one column 51 is omitted from the frame 40 of the normal lower-floor building unit 20A, that is, the column 51 at the corner 20D that has been brought together is omitted, and the column unit has three columns 51. It is a large space building unit equipped with a large space frame 50.
As a result, a large large space 60 is formed in the central portion of the four building units 20B, in which no protrusions such as the pillars 51 exist between the ceiling and the floor.
The pillar 51, the ceiling beam 52, and the floor beam 53 of the large space building unit 20B are connected to each other through a joining member 54.
In addition, as the joining member 54, a stigma joining member 54A disposed on the stigma side of the pillar 51 and a pedestal joining member 54B disposed on the collateral side of the pillar 51 are provided.
The stigma joint member 54A includes a positioning pin 54C for determining the position of the horizontally adjacent building unit 20B and a bolt / nut for mutually connecting the adjacently located building units 20B and 30A. An insertion hole 54D through which the fastener 81 is inserted is formed (see FIG. 6).
[0016]
In addition, the column 51, the ceiling beam 52, and the floor beam 53 of the building unit 20B are connected to each other via a joining member 54, similarly to the building units 20A, 30A.
The ceiling beam 52 of the large space frame 50 is provided with two types of short side ceiling beams 52A and long side ceiling beams 52B having different lengths. The floor beam 53 of the large space frame 50 has different lengths. There are two types of short side floor beams 53A and long side floor beams 53B.
Such columns 51 are omitted, and reinforcing beams 70 are installed between the columns 51 arranged at the corners 20C on both sides of the corners 20D that are brought together, in order to supplement rigidity. Has been passed.
[0017]
The reinforcing beam 70 is for reinforcing the ceiling beam 52A from which the column 51 of the large space building unit 20B is omitted, and is a cylindrical member extending along the short side direction of the large space building unit 20B. . The reinforcing beam 70 is a long member having a length dimension for connecting the columns 51 arranged at the corners 20C on both sides of the corner 20D.
[0018]
As shown in FIG. 5, the reinforcing beam 70 is formed in a rectangular shape with a long cross section, and is integrally formed with a seamless long member.
On the lower end side of the reinforcing beam 70, a plurality of insertion holes 71A for inserting piping such as an air conditioner are formed at predetermined intervals.
Further, the reinforcing beam 70 is provided with a plurality of slits 71B extending horizontally along the longitudinal direction of the reinforcing beam 70. These slits 71B are formed at positions corresponding to the corner 20D of the large space building unit 20B and the corners 20C on both sides of the corner 20D.
A connecting member 72 is inserted through each slit 71B.
[0019]
As shown in FIG. 7, the beam back H of the reinforcing beam 70 has a dimension that fits between the upper surface of the floor beam 43A of the upper floor building unit 30A and the lower surface of the ceiling beam 52A of the large space building unit 20B. Yes.
Here, since the upper surface of the reinforcing beam 70 does not protrude upward from the upper surface of the floor beam 43A and the lower surface does not protrude downward from the ceiling beam 52A, the floor material placed on the upper surface of the floor beam 43A is The ceiling surface material provided on the lower surface of the ceiling beam 52A is at the same height level as the ceiling surface material of the other building unit 20A. ing.
The width dimension W of the reinforcing beam 70 is substantially the same as the gap formed between the adjacent large space building units 20B.
Thereby, the side surface of the reinforcing beam 70 is in contact with the side surface of the ceiling beam 52A of the adjacent large space building unit 20B.
[0020]
Returning to FIG. 5, the connecting member 72 is formed of a flat plate material. The connecting member 72 is inserted into the slit 71B and protrudes from both side surfaces of the reinforcing beam 70. The connection member 72 is supported at two points on the side walls on both sides of the reinforcing beam 70.
The connecting member 72 is movable with respect to the reinforcing beam 70 in the width direction of the reinforcing beam 70.
As shown in FIG. 6, the connection member 72 has a plurality of positioning holes 72A through which a plurality of positioning pins 54C provided on the upper surface of the stigma joining member 54A of the large space building unit 20B are inserted. An insertion hole 72B is formed through which the fastener 81 that interconnects the building unit 20B and the upper floor building unit 30A placed on the large space building unit 20B is inserted.
Here, the connecting member 72 is a normal shear plate that connects the lower-floor building unit 20A and the upper-floor building unit 30A to each other. The thickness dimension of the connecting member 72 is the same as the thickness dimension of a normal shear plate.
[0021]
The four ceiling beams 52A of the large space building unit 20B arranged adjacent to each other together with the four floor beams 43A of the adjacent upper floor building unit 30A are connected to the upper floor building unit 30A from the upper floor building unit 30A side. The column base joint member 44B of the building unit 30A, the connection member 72, and the fastener 81 that penetrates the column head joint member 54A of the large space building unit 20B are connected to each other.
In particular, the gathered portions of the four ceiling beams 52A are joined by the four fasteners 81 in the central portion of the reinforcing beam 70, that is, the upper portion of the corner portion 20D, and are firmly integrated. .
In addition, a temporary pillar 80 that is a transportation jig is detachably provided at the corner 20D of the building unit 20B, and during transportation, a column base joining member 54B that is a connecting portion of the floor beams 53A and 53B, A stigma joining member 54A, which is a connecting portion between the ceiling beams 52A and 52B, is connected.
[0022]
Next, a procedure for forming the large large space 60 where no protrusions such as the pillars 51 exist will be described. First, the building units 20 and 30 and the reinforcing beam 70 are manufactured at the factory and then transported to the construction site. When the building units 20 and 30 and the reinforcing beam 70 are manufactured, temporary pillars 80 are provided in the corner portions 20D in order to prevent deformation of the building unit 20B during transportation.
Then, as shown in FIG. 8, these building units 20B are arranged adjacent to each other in plan view, and the reinforcing beam 70 is inserted into a gap formed between the adjacent short-side ceiling beams 52A.
[0023]
At this time, as shown in FIG. 6, the positioning pins 54C of the large space building unit 20B are connected to the positioning holes of the connecting member 72 at the corners 20D and the corners 20C on both sides of the corners 20D. The large space building unit 20B is positioned by being inserted into 72A.
[0024]
After that, as shown in FIG. 9, the upper floor building unit 30A is placed on the large space building unit 20B.
Thereby, the reinforcing beam 70 is disposed between the adjacent short-side floor beams 43A.
Then, the upper floor building unit 30A, the large space building unit 20B, and the reinforcing beam 72 are integrated by connecting the upper floor building unit 30A and the large space building unit 20B with the fastener 81. Thereafter, when the temporary pillar 80 is removed, a large large space 60 in which no protrusions such as the pillar 51 exist between the ceiling and the floor is formed.
[0025]
According to this embodiment, there are the following effects.
That is, the connecting member 72 is supported at two points on the side walls on both sides of the reinforcing beam 70, and the side surface of the reinforcing beam 70 is in contact with the side surface of the ceiling beam 52A of the large space building unit 20B. The dimension between the joint portion joined to the large space building unit 20B and the side surface of the reinforcing beam 70 is smaller than that when a plate-shaped reinforcing beam is used.
Thereby, it is not necessary to reinforce the joint portion between the reinforcing beam 70 and the joining member 72, and the structure of the joint portion can be simplified.
Moreover, even if the beam back and width dimensions of the cylindrical reinforcing beam 70 are sufficiently secured, an increase in the weight of the reinforcing beam 70 can be avoided because the inside of the reinforcing beam 70 is hollow.
[0026]
In addition, since the width dimension W of the reinforcing beam 70 is made substantially the same as the gap between the large space building units 20B, the reinforcing beam 70 can be inserted into the gap between the large space building units 20B without any gap. The ceiling beam 52A arranged on both sides of the reinforcing beam 70 and the reinforcing beam 70 are integrated to form a high-rigidity large beam, preventing deformation of the ceiling beam 52A due to vertical load from the upper floor, so-called beam rolling Thus, the ceiling and floor provided in the large space building unit 20B are less likely to bend.
[0027]
In addition, since the long reinforcing beam 70 is integrally formed, when the upper floor is formed of the particle board, the particle board is attached to all three members of the floor beam 43A and the reinforcing beam 70 arranged on both sides of the reinforcing beam 70. The three members of the reinforcing beam 70 and the floor beam 43A are further integrated, and the rigidity of the integrated large beam can be further improved.
[0028]
Further, since the connecting member 72 is provided in a state of protruding from both side surfaces of the reinforcing beam 70, the normal building units 20A and 30A are connected to each other as a connecting structure for connecting adjacent large space building units 20B with the connecting member 72. The same connecting structure as that to be connected can be adopted, and the connecting operation of the large space building unit 20B can be easily performed in the same manner as the connecting operation of the normal building units 20A and 30A.
[0029]
Further, since a normal shear plate for connecting the building unit 20A can be used as the connecting member 72, it is not necessary to change the connecting structure of the conventional building units 20A and 20B, and a connecting member 72 dedicated to the reinforcing beam 70 is separately provided. There is no need to manufacture, and the manufacturing efficiency of the building units 20A, 20B and the connecting member 72 is not impaired.
[0030]
In addition, this invention is not limited to the said embodiment, It contains the other structure etc. which can achieve the objective of this invention, and the deformation | transformation etc. which are shown below.
That is, the reinforcing beam is not limited to one integrally formed with a seamless long member, but a joint that joins a pair of long materials formed in a C-shaped cross-section with their recesses facing each other. It may be of type.
At this time, as the joining type reinforcing beam, as shown in FIG. 10, for example, the reinforcing beam 73A obtained by joining the ends of the long material 74 formed in a C shape and the long material 74 are alternately arranged. Reinforcement beam 73B joined in a state of being arranged in the same manner, Reinforcement beam 73C joined in a state where the long material 74 and the long material 75 that is slightly smaller in size than the long material 74 are arranged alternately, and the long material 74 The reinforcing beam 73D joined through the joint material 76 in a state in which the end portions of each other are butted can be employed.
The arrangement position of the joint material 76 is arbitrary. For example, as shown in FIGS. 10D to 10G, the upper surface and the lower surface of the long material 74, the inner peripheral surface facing the long material 74, the length The upper surface and the lower surface side inner peripheral surface of the length member 74, and the lower surface and the upper surface side inner peripheral surface of the long material 74 may be used.
[0031]
Further, the reinforcing beam is not limited to one that reinforces the four large space building units 20B arranged adjacent to each other in a state where one corner 20D is brought together, but as shown in FIG. The two large space building units 20B in which the building units 20E are arranged on the short side may be reinforced. Further, the connecting member is not limited to the one inserted through the slit and provided in the reinforcing beam so as to be movable in the horizontal direction with respect to the reinforcing beam, but is fixed to the reinforcing beam by welding while being inserted into the slit. A thing may be sufficient and it may be supported by the stiffener fixed to the side surface of the reinforcement beam.
[0032]
In addition, the connection member is not limited to one in which the connection portion formed of a single metal plate and connected to each of the column heads of the large space building unit 20B disposed on both sides of the reinforcing beam 70 is integrated. Instead, as shown in FIG. 12, a joining member 72C in which connecting portions are separately provided on the left and right sides of the ceiling beam 52A of the large space building unit 20B arranged on both sides of the reinforcing beam 70 may be used.
When the joint member 72C provided separately on the left and right is adopted, the joint member 72C has one end penetrating the side wall on one side of the reinforcing beam 70 and the other end on the inner surface of the reinforcing beam 70, as shown in FIG. It is desirable to be fitted in a groove 77A of a locking member 77 provided on the surface.
[0033]
【The invention's effect】
According to the unit type building of the present invention, the following effects can be obtained. That is, according to the unit type building of claim 1, when the connecting member is supported at two points on the side walls on both sides of the reinforcing beam, the side surface of the reinforcing beam is close to the side surface of the ceiling beam of the building unit for large space. Therefore, the dimension between the joint part joined to the large space building unit of the joining member and the side surface of the reinforcing beam is smaller than that in the case of using the plate-like reinforcing beam. Thereby, it is not necessary to reinforce the joint portion between the reinforcing beam and the joint member, and the structure of the joint portion can be simplified. Moreover, even if the beam back and width dimensions of the reinforcing beam are sufficiently secured, an increase in the weight of the reinforcing beam can be avoided because the inside of the reinforcing beam is hollow.
In addition, since such a connecting member is provided so as to protrude from both side surfaces of the reinforcing beam, the connecting structure for connecting adjacent large space building units with the connecting member is the same as the connecting structure for connecting the normal building units to each other. Can be adopted, and the connecting operation of the building unit for large space can be easily performed in the same manner as the connecting operation of the normal building unit.
[0034]
Moreover, according to the unit type building of Claim 2, if the width dimension of such a reinforcement beam is set to the dimension according to the clearance gap formed between building units for large spaces, a reinforcement beam will be large space. The ceiling beams placed on both sides of the reinforcing beam and the reinforcing beam are integrated to form a large beam with high rigidity. Deformation of the ceiling beam, so-called beam rolling, is prevented, and the ceiling and floor provided in the large space building unit are less likely to bend.
[0035]
Furthermore, according to the unit type building of the third aspect, if such a long reinforcing beam is adopted, for example, when the upper floor is formed of the particle board, the floors arranged on both sides of the reinforcing beam are used. By hitting the particle board to all three members of the beam and the reinforcing beam, the three members of the reinforcing beam and the floor beam are further integrated, and the rigidity of the integrated large beam can be further improved.
[0036]
Further, according to the unit type building of the fourth aspect, when such a long reinforcing beam is adopted, for example, when the upper floor is formed of the particle board, the floors arranged on both sides of the reinforcing beam are used. By hitting the particle board to all three members of the beam and the reinforcing beam, the three members of the reinforcing beam and the floor beam are further integrated, and the rigidity of the integrated large beam can be further improved.
[0038]
Further, according to the unit type building of claim 6, since the normal shear plate for connecting the building units can be used as the connecting member, it is not necessary to change the connecting structure of the conventional building unit, and the reinforcing beam is used. There is no need to separately manufacture a dedicated connection member, and the manufacturing efficiency of the building unit and the connection member is not impaired.
[Brief description of the drawings]
FIG. 1 is an overall perspective view showing a unit building according to an embodiment of the present invention.
FIG. 2 is a schematic plan view of a first floor portion according to the embodiment.
FIG. 3 is a perspective view showing a frame of the building unit according to the embodiment.
FIG. 4 is an exploded perspective view showing a large space building unit according to the embodiment.
FIG. 5 is an exploded perspective view showing a reinforcing beam according to the previous embodiment.
FIG. 6 is an exploded perspective view showing a joint portion of the building unit according to the embodiment.
FIG. 7 is a cross-sectional view showing a joint portion of the building unit according to the embodiment.
FIG. 8 is a diagram for explaining a method of installing the large space building unit according to the embodiment.
FIG. 9 is a view for explaining a building unit joining method according to the embodiment;
FIG. 10 is a cross-sectional view showing a modification of the present invention.
FIG. 11 is a schematic plan view showing another modification of the present invention.
FIG. 12 is a plan view showing still another modified example of the present invention.
FIG. 13 is an elevational view showing a main part of the modification shown in FIG.
[Explanation of symbols]
10 unit building
20A, 30A building unit
20B Building unit for large space
40 frames
41 pillars
42 Ceiling beams
43 Floor beams
50 Large frame
51 pillars
52 Ceiling beams
53 Floor beams
70, 73A to 73G Reinforced beam
71B slit
72 Connection member

Claims (5)

A plurality of large space building units having a large space frame in which one column is omitted from a normal frame formed in a rectangular parallelepiped shape by connecting the upper and lower ends of the pillars at the four corners with ceiling beams and floor beams, these Reinforced beams that reinforce the corners with the plurality of large space building units arranged and the pillars omitted, in a state where the corners with the pillars omitted of the large space building unit are brought together Is a unit type building provided between the side surfaces of the ceiling beam of the large space building unit,
The reinforcing beam is formed in a cylindrical shape, and is formed at a position corresponding to a side surface close to a side surface of the ceiling beam of the large space building unit and a corner of the large space building unit. A slit extending along the longitudinal direction,
A unit type building , wherein a connecting member connected to the large space building unit is inserted into the slit, and the connecting member protrudes from both side surfaces of the reinforcing beam .   2. The unit type building according to claim 1, wherein the reinforcing beam is formed in an elongated rectangular shape in cross section.   3. The unit building according to claim 1 or 2, wherein the reinforcing beam is formed by joining a pair of long materials formed in a C-shaped cross section in a state where the concave portions are opposed to each other. A unit type building characterized by   3. The unit building according to claim 1, wherein the reinforcing beam is formed of an integrally formed cylindrical member having a rectangular cross section. 4. The unit type building according to any one of claims 1 to 4 , wherein the connecting member is a diverted normal shear plate that connects building units.

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