JP2000220213A - Column and beam connection structure and beam - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To effectively secure the rigidity of a connecting portion between a multiple beam and a column when using multiple beams. SOLUTION: A substantially C having a substantially vertical web 21, a substantially horizontal upper and lower first plate portion 22, and a substantially horizontal second plate portion 23 provided on the outer side of the first plate portion 22. A C-channel joint piece 27 having a substantially vertical web 25 and a substantially horizontal upper and lower flange 26 is fixed to the column 1, which is a connecting portion structure between the channel-like multiple beam 24 and the column 1. At the end of the multiple beam 24, a projecting portion 29 is formed by shortening a part of the second plate portion 23 by the length of the joint piece 27. The projecting portion 29 of the multiple beam 24 is connected to the joint piece 27. In the state of being inscribed, the surfaces of the web 25 and the flange 26 of the joint piece 27 and the web 21 and the first plate portion 22 of the multiple beam 24 inscribed therein are welded and fixed to each other. .

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection structure between a column and a beam and a beam.

[0002]

2. Description of the Related Art There is a method of transporting building units manufactured in a factory in advance to a building site, and assembling them at the building site to build a building such as a house. As shown in FIG. 10, the building unit has four beams 2 between the upper end and the lower end of four pillars 1 arranged at the corners.
To form a box-shaped skeleton 3 and attach the interior / exterior panel, ceiling panel, floor panel and the like to the skeleton 3.

As shown in FIG. 11, a column 1 and a beam 2 constituting this kind of building unit are connected by mounting a pair of diaphragms 4 at predetermined intervals on the end and inside of the column 1.
A beam 2 is attached to a portion of the column 1 to which the diaphragm 4 is attached.
Method of directly welding (weld part 5) the ends of
As shown in FIG. 2, a method of welding a joint piece 6 made of a C-channel material to a column 1 and welding the joint piece 6 and the beam 2 along the end of the joint piece 6 (welded portion 7), For example, a method of welding between surfaces of the beam 6 and the beam 2 is adopted.

The beam 2 is composed of a C-channel material comprising a substantially vertical web 8 and substantially horizontal flanges 9 provided above and below the web 8.

[0005]

However, the structure of the connecting portion between the column 1 and the beam 2 has the following problems.

More specifically, the end 10 of the flange 9 is extended and bent outward as shown in FIG. 13, or the end 11 of the flange 9 is extended and bent inward as shown in FIG. Increase the cross-sectional area of the part 12,
A technique has been developed to obtain a rigid material from a plate having a uniform thickness. When such a material is used as the beam 2 (multiple beams) of the building unit, the flange 12 is bent. Since it becomes difficult to weld the end portions 10 and 11 and the column 1, it is difficult to secure the rigidity of the connecting portion between the column 1 and the beam 2.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to solve the above-mentioned problems, and to improve the rigidity of the connecting portion between the multiple beams and the column when the multiple beams are used. It is to provide a connection structure and a beam.

[0008]

In order to solve the above-mentioned problems, according to the first aspect of the present invention, there is provided a connecting portion structure between a column and a beam, wherein the beam includes a substantially vertical web and upper and lower portions of the web. And has a substantially horizontal flange provided in the C-channel, wherein the flange has a multi-flange structure in which at least a first plate portion and a second plate portion overlap, and the first plate portion has The pillar protrudes from the second plate portion in the longitudinal direction of the beam, and the column includes a substantially horizontal connecting piece on a side surface, and the connecting piece is connected to and fixed to the protrusion of the first plate portion. It is characterized by:

According to the first aspect of the present invention, a part of the second plate portion at the end of the multiple beam is shortened in the longitudinal direction of the beam, and the web and the first plate portion are connected to each other. Is formed, and the projection is overlapped with the connecting piece to be connected and fixed, so that the multiple beams can be fixed to the pillar simply and reliably.

According to the second aspect of the present invention, the substantially vertical web and the substantially horizontal first and upper webs provided above and below the web are provided.
A substantially C-channel multiple beam having a plate portion and a substantially horizontal second plate portion provided outside of the first plate portion, and a connecting portion structure of the column, Is fixed to a C-channel joint piece having a substantially vertical web and substantially horizontal flanges provided above and below the web, and a part of the second plate is joined to an end of the multiple beam. A projecting portion is formed by the web and the first plate portion, which are shortened by the length of the piece, and the web and the flange of the joint piece are formed while the projecting portion of the multiple beam is inscribed in the joint piece. The web and the first plate portion of the inscribed multiple beam are welded and fixed to each other.

According to the second aspect of the present invention, a part of the second plate portion at the end of the multiple beam is shortened by the length of the joint piece to form a projecting portion. And the web and the first plate portion constituting the protruding portion are inscribed in the web and the flange of the joint piece, and the web and the flange of the joint piece and the web and the first plate portion of the multiple beam inscribed therein. Are fixed to each other by welding, so that the multiple beams can be easily and reliably fixed to the columns.

Further, since the web and the flange of the joint piece and the web and the first plate portion of the multiple beam inscribed therein are welded and fixed to each other, the number of welding locations can be increased. The required joining strength can be easily obtained. Therefore, the rigidity of the joint between the column and the beam can be easily ensured without welding the joint piece and the multiple beams along the end of the joint piece. Moreover, if necessary, there is room for welding between the end of the joint piece and the second plate portion and the web of the multiple beam along the end of the joint piece, thereby further increasing the rigidity. It is also possible to aim.
Therefore, the present invention can be applied to the connection structure of the large space forming unit building without any trouble.

According to the third aspect of the present invention, a substantially vertical web and first substantially horizontal webs provided above and below the web are provided.
A substantially C-channel-shaped multiple beam having a plate portion, a first plate portion, and a substantially horizontal second plate portion provided on the inner side of the flange, and a connecting portion structure of the pillar. A C-channel joint piece having a substantially vertical web and substantially horizontal flanges provided above and below the web is fixed to the column, and a second plate portion is attached to an end of the multiple beam. A projection formed by a web whose first portion is shortened by the length of the joint piece and a first plate portion are formed, and in a state where the projection of the multiple beam is circumscribed to the joint piece, the web of the joint piece and The present invention is characterized in that the surfaces of the flange and the web of the multiple beam circumscribed therewith and the first plate portion are mutually fixed by welding.

According to the third aspect of the present invention, the projecting portion is formed by shortening a part of the second plate portion at the end of the multiple beam by the length of the joint piece. , The web constituting the protruding portion and the first plate portion are circumscribed to the web and the flange of the joint piece, and the surfaces of the web and the flange of the joint piece and the web and the first plate portion of the multiple beam circumscribed therewith Since the spaces are welded and fixed to each other, the multiple beams can be easily and reliably fixed to the columns.

Further, since the surfaces of the web and the flange of the joint piece and the web and the first plate portion of the multiple beam circumscribed therewith are mutually welded and fixed, by increasing the number of welding locations, The required joining strength can be easily obtained. Therefore, the rigidity of the joint between the column and the beam can be easily ensured without welding the joint piece and the multiple beams along the end of the joint piece. Moreover, if necessary, there is room for welding between the end of the joint piece and the second plate portion and the web of the multiple beam along the end of the joint piece, thereby further increasing the rigidity. It is also possible to aim.
Therefore, the present invention can be applied to the connection structure of the large space forming unit building without any trouble.

According to the fourth aspect of the present invention, the substantially vertical web and the substantially horizontal first and upper webs provided above and below the web are provided.
A substantially C-channel multiple beam having a plate portion and a substantially horizontal second plate portion provided outside of the first plate portion, and a connecting portion structure of the column, At the end of a pair of diaphragms are attached so that they protrude outward from the pillar,
At the end of the multiplex beam, a projection formed by a web and a first plate portion formed by shortening a part of the second plate portion by the amount of extension of the projection portion of the diaphragm is formed. In a state in which the protrusion of the diaphragm is inscribed in the protrusion of the diaphragm, the end of the protrusion of the diaphragm and the first plate portion of the multiple beam inscribed therein are welded and fixed to each other. It is characterized by:

According to the fourth aspect of the present invention, a portion of the second plate portion at the end of the multiple beam is shortened by an amount of the overhang of the overhang of the diaphragm. Is formed, and the first plate portion constituting the projecting portion is inscribed in the projecting portion of the diaphragm, and the end of the projecting portion of the diaphragm and the first plate portion of the multiple beam inscribed therein are connected to each other. Since the spaces are welded and fixed to each other, the multiple beams can be easily and reliably fixed to the columns. Therefore, the present invention can be applied to the connection structure of the large space forming unit building without any trouble.

According to the fifth aspect of the present invention, a substantially vertical web and first substantially horizontal webs provided above and below the web are provided.
A second C-shaped multi-beam having an end portion of the first plate portion and an almost horizontal second plate portion in which the ends of the first plate portion are overlapped inward or outward. Is characterized in that a protruding portion is formed by a web made by shortening a part of the web and the first plate portion.

According to the fifth aspect of the present invention, by forming a projecting portion by shortening a part of the second plate portion at the end of the multiple beam, the same as a normal beam can be obtained. Can be adopted. Further, connection without steps can be performed.

According to a sixth aspect of the present invention, there is provided a connecting portion structure between a column and a beam, wherein the beam has a substantially vertical channel and a substantially C-channel having substantially horizontal flanges provided above and below the web. Wherein the flange has a multi-flange structure in which at least a first plate portion and a second plate portion overlap each other, and the first plate portion and the second plate portion are end portions in the longitudinal direction of the beam. The pillar has a substantially horizontal connecting piece on the side surface, and the connecting piece is located in the gap between the first plate portion and the second plate portion and overlaps the flange. It is characterized by being connected and fixed.

According to the sixth aspect of the present invention, the flange of the connection piece is located in the gap between the first plate portion and the second plate portion of the multiplex beam, and the connection piece is multiplexed with the connection piece. Since the beams are connected and fixed, the multiple beams can be easily and reliably fixed to the columns.

In the invention described in claim 7, the substantially vertical web and the substantially horizontal first and upper webs provided above and below the web are provided.
A substantially C-channel multiple beam having a plate portion and a substantially horizontal second plate portion provided outside of the first plate portion, and a connecting portion structure of the column, A C-channel joint piece having a substantially vertical web and substantially horizontal flanges provided above and below the web is fixed, and a gap between the first plate portion and the second plate portion of the multiple beam is fixed. In the state where the flange of the joint piece is clamped to the web and the web of the joint piece is circumscribed by the web of the multiple beam, the web and the flange of the joint piece and the first of the multiple beams that clamp and circumscribe this The plate portion, the second plate portion, and the surface of the web are welded and fixed to each other.

According to the present invention, the flange of the joint piece is sandwiched between the first plate portion and the second plate portion of the multiple beam, and the multiple beam is provided. Of the joint piece so that the web of the joint piece can be circumscribed by the web of the joint piece, and the first plate portion, the second plate portion, and the web of the multiple beam sandwiching and circumscribing the joint piece and the flange. Since the surfaces are welded to each other, the multiple beams can be easily and reliably fixed to the columns.

Further, since the web and the flange of the joint piece and the web and the first plate portion of the multiple beam sandwiching and circumscribing the joint and the flange are fixed by welding, the number of welding locations can be increased. The required joining strength can be easily obtained. Therefore, the rigidity of the connecting portion between the column and the beam can be easily ensured without welding the joint piece and the multiple beams along the end of the joint piece. In addition, if necessary, there is room for welding the gap between the joint piece and the web of the multiple beams along the end of the joint piece, which can further increase the rigidity. Therefore, the present invention can be applied to the connection structure of the large space forming unit building without any trouble.

According to the invention described in claim 8, the column, the substantially C-channel beam having the substantially vertical web and the substantially horizontal flanges provided above and below the web are connected via the joint piece. A joint structure between a pillar and a beam that is connected, wherein the joint piece has a connecting piece that abuts the pillar at one end and is fixed by welding, and at least the flange of the beam is inscribed or circumscribed at the other end. And a connecting piece that is welded and fixed by contact with the pillar, and the connecting piece on the side that is welded and fixed in contact with the pillar has a multiplex structure in which at least the first plate portion and the second plate portion overlap. I have.

According to the invention according to claim 8 configured as described above, at least the first plate portion and the second plate portion of the connection piece on the side which is welded and fixed in contact with the column of the joint piece are formed. Because of the overlapped multiple structure, the weld fixing part between the joint piece and the column is strong, and at least the flange of the beam is welded and fixed by inscribing or circumscribing the joint piece of the joint piece. Thus, the beam can be easily and reliably fixed to the pillar.

According to the ninth aspect of the present invention, in the eighth aspect,
In the connection portion structure between a column and a beam described above, the joint piece has a substantially vertical web and substantially horizontal flanges provided above and below the web, and is welded by abutting the flange column of the joint piece. The portion to be fixed is characterized by having a multiplex structure in which at least the first plate portion and the second plate portion overlap.

According to the ninth aspect of the present invention, at least the portion of the joint piece that is in contact with the flange of the flange and fixed by welding is formed of at least the first plate portion and the second plate portion. Is a multi-layered structure, so that the welded fixed part between the joint piece and the column becomes strong,
Since at least the flange of the beam is welded and fixed in or out of contact with the flange of the joint piece, the beam can be easily and reliably fixed to the column.

[0029]

First Embodiment A first embodiment of the present invention will be described below with reference to the drawings.

FIGS. 1 and 2 show a first embodiment of the present invention.
It shows. Note that the basic configuration of the building unit is the same as that of FIG. 10, so that FIG. 10 will be referred to as necessary.

First, the structure will be described. In the first embodiment, a beam (a ceiling beam, and a floor beam is also the same) has a substantially vertical web 21 and a substantially horizontal web provided above and below the web 21. The first plate portion 22 is formed of a C-channel material, and the first plate portion 22 has a substantially horizontal second plate portion 23 whose end is further extended and bent outward. The multiple beams 24 are formed and have high rigidity. In addition,
The second plate 23 may be attached to the first plate 22 by welding or the like.

Further, in the case of the first embodiment, a C-channel material comprising a substantially vertical web 25 and substantially horizontal flanges 26 provided above and below the web 25 is provided at the upper end or lower end of the column 1. Become a joint piece 27
(Connecting piece) is welded (welded portion 28). And
A part of the second plate 23 at the end of the multiple beam 24 is shortened by the length of the joint piece 27 to reduce the web 21.
And the first plate portion 22 are projected, and the web 2
The first plate portion 22 and the first plate portion 22 can be inscribed in the joint piece 27. The joint piece 27
Is an internal dimension that allows the web 21 of the multiple beam 24 and the first plate portion 22 to be inscribed.

Then, the web 25 and the flange 26 of the joint piece 27 and the multiple beams 2 inscribed therein are provided.
The surface between the web 21 and the first plate portion 22 in Step 4 is welded and fixed to each other (welded portion 30).

Next, the operation of the first embodiment will be described.

The second plate 23 at the end of the multiple beam 24
Is shortened by the length of the joint piece 27 so that the web 21 and the first plate portion 22 project, and the projecting portion 2
9 and the first plate portion 22 are inscribed in the web 25 and the flange 26 of the joint piece 27, and the web 25 and the flange 26 of the joint piece 27 and the web 21 of the multiple beam 24 inscribed therein. 1st board part 2
Since the two surfaces are welded and fixed to each other (welded portion 30), the multiple beam 24 can be easily and reliably fixed to the column 1.

The web 25 of the joint piece 27
In addition, since the flange 26 and the surface of the web 21 and the first plate portion 22 of the multiple beam 24 inscribed in the flange 26 are fixed to each other by welding (weld portion 30), the number of welding locations can be increased. The required joining strength can be easily obtained. Therefore, the rigidity of the connecting portion between the column 1 and the beam 2 can be easily secured without welding the joint piece 27 and the multiple beams 24 along the end of the joint piece 27. Moreover, if necessary, there is room for welding between the end of the joint piece 27 and the second plate portion 23 and the web 21 of the multiple beam 24 along the end of the joint piece 27 (weld portion). 31) With this, it is possible to further increase the rigidity. Therefore, the present invention can be applied without any problem to the connection structure of a large space forming unit building in which a large space without pillars 1 is formed by combining a plurality of building units without pillars 1 at one corner or two corners.

Further, since the outer shape of the joint piece 27 and the outer shape of the multiple beam 24 can be made even, the degree of freedom of the dimensions of the multiple beam 24 is high. Since the outer dimensions are the same as those of the skeleton 3 shown in FIG. 10, the same components as those used for the skeleton 3 shown in FIG. If the inner diameter of the multiple beam 24 is the same as that of the conventional beam 2, the ceiling can be accommodated in the same manner as in the case of the skeleton 3 of FIG. 10, so that the skeleton 3 of FIG. Can be used as they are.

[0038]

Second Embodiment FIGS. 3 and 4 show a second embodiment of the present invention. The first embodiment
The same or equivalent parts will be described with the same reference numerals.

First, the structure will be described. In the second embodiment, the beam is a C channel comprising a substantially vertical web 21 and a substantially horizontal first plate portion 22 provided above and below the web 21. The first plate portion 22 is formed with a substantially horizontal second plate portion 41 whose end is further extended and bent inward to form a multiple rigid beam 42 having high rigidity.
It has been. Note that the second plate portion 41 is the first plate portion 22
It may be attached by welding and fixing to the surface.

Further, in the case of the second embodiment, a C-channel material composed of a substantially vertical web 25 and substantially horizontal flanges 26 provided above and below the web 25 is provided at the upper end or lower end of the column 1. Is welded (welded portion 28). Then, a portion of the second plate portion 41 at the end of the multiple beam 42 is shortened by the length of the joint piece 27 so that the web 21 and the first plate portion 22 project, and the web of the projecting portion 43 is formed. The first plate portion 22 and the first plate portion 22 can be circumscribed to the joint piece 27. Note that the joint piece 27 is
The outer dimensions allow the web 21 and the first plate portion 22 to be circumscribed.

Then, the web 25 and the flange 26 of the joint piece 27 and the multiple beams 4
The surface between the web 21 and the first plate portion 22 in Step 2 is welded and fixed to each other (welded portion 30).

Next, the operation of the second embodiment will be described.

The second plate portion 41 at the end of the multiple beam 42
Is shortened by the length of the joint piece 27 so that the web 21 and the first plate portion 22 project, and the projecting portion 4
The third web 21 and the first plate portion 22 are circumscribed to the web 25 and the flange 26 of the joint piece 27, and the web 25 and the flange 26 of the joint piece 27 and the web 21 and the first Plate part 2
Since the two surfaces are welded and fixed to each other (welded portion 30), the multiple beams 42 can be easily and reliably fixed to the column 1.

The web 25 of the joint piece 27
In addition, since the flange 26 and the surface of the web 21 and the first plate portion 22 of the multiple beam 42 circumscribed therewith are welded and fixed to each other (welded portion 30), by increasing the number of welding locations, The required joining strength can be easily obtained. Therefore, the rigidity of the connecting portion between the column 1 and the beam 2 can be easily secured without welding the joint piece 27 and the multiple beams 42 along the end of the joint piece 27. In addition, if necessary, there is room for welding between the end of the joint piece 27 and the second plate portion 41 and the web 21 of the multiple beam 42 along the end of the joint piece 27 (weld portion). 31) With this, it is possible to further increase the rigidity. Therefore, the present invention can be applied without any problem to the connection structure of a large space forming unit building in which a large space without pillars 1 is formed by combining a plurality of building units without pillars 1 at one corner or two corners.

Further, since the inner shape of the joint piece 27 and the inner shape of the multiple beam 42 can be made flush, the degree of freedom of the dimensions of the multiple beam 42 is high. If the beam 2 is made the same, the outer dimensions are the same as those of the skeleton 3 of FIG. 10. Therefore, the same components as those used for the skeleton 3 of FIG. it can. If the inner diameter of the multiple beam 42 is the same as that of the conventional beam 2, the ceiling can be accommodated in the same manner as in the case of the skeleton 3 of FIG. The same one used can be used as it is.

Except for the above, the configuration is the same as that of the first embodiment, and the same operation and effect can be obtained.

[0047]

Third Embodiment FIGS. 5 and 6 show a third embodiment of the present invention. The first embodiment
The same or equivalent parts will be described with the same reference numerals.

First, the structure will be described. In the third embodiment, the beam is a C channel comprising a substantially vertical web 21 and a substantially horizontal first plate portion 22 provided above and below the web 21. The first plate portion 22 is formed with a substantially horizontal second plate portion 23 formed by further extending an end portion and bending outward to form a multiple beam 24 having high rigidity.
It has been. Note that the second plate 23 is the first plate 22
It may be attached by welding and fixing to the surface. In addition, a required gap 51 is formed between the first plate portion 22 and the second plate portion 23 of the multiple beam 24.

Further, in the case of the third embodiment, a C-channel material comprising a substantially vertical web 25 and substantially horizontal flanges 26 provided above and below the web 25 is provided at the upper end or lower end of the column 1. Is welded (welded portion 28). The flange 26 of the joint piece 27 is sandwiched in the gap 51 between the first plate portion 22 and the second plate portion 23 of the multiple beam 24, and the web 2 of the joint piece 27 is attached to the web 21 of the multiple beam 24.
5 can be circumscribed. The joint piece 27 has its flange 26 sandwiched in a gap 51 between the first plate portion 22 and the second plate portion 23 of the multi-beam 24, and the web 25 of the web 21 of the multi-beam 24. Dimensions that can be circumscribed.

The web 25 and the flange 26 of the joint piece 27 and the surfaces of the first plate portion 22, the second plate portion 23 and the web 21 of the multiple beam 24 sandwiching and circumscribing the web 25 are arranged. They are fixed to each other by welding (weld portion 30).

Next, the operation of the third embodiment will be described.

In the gap 51 between the first plate portion 22 and the second plate portion 23 of the multiple beam 24, the flange 2 of the joint piece 27
6 so that the web 25 of the joint piece 27 can be circumscribed on the web 21 of the multiplex beam 24, and the web 25 and the flange 26 of the joint piece 27 and the multiplex Since the surfaces of the beam 24 with the first plate portion 22, the second plate portion 23, and the web 21 are welded and fixed to each other (weld portion 30), the multiple beam 24 can be easily and reliably connected to the column 1 by welding. It becomes possible to fix to.

The web 25 of the joint piece 27
In addition, the flange 26 and the web 21 and the first plate portion 22 of the multiple beam 24 sandwiching and circumscribing the flange 26 are fixed by welding (weld portion 30). The required joining strength can be easily obtained. Therefore, the rigidity of the connecting portion between the column 1 and the beam 2 can be easily secured without welding the joint piece 27 and the multiple beams 24 along the end of the joint piece 27. In addition, if necessary, there is room for welding the gap 51 between the joint piece 27 and the web 21 of the multiple beam 24 along the end of the joint piece 27, which can further increase the rigidity. It is. Therefore, the present invention can be applied without any problem to the connection structure of a large space forming unit building in which a large space without pillars 1 is formed by combining a plurality of building units without pillars 1 at one corner or two corners.

Furthermore, since the outer shape of the position of the joint piece 27 and the outer shape of the multiple beam 24 can be made flush,
The dimensional flexibility of the multiple beam 24 is high. For example, if the external dimensions of the multiple beam 24 are the same as those of the conventional beam 2, the external dimensions are the same as the frame 3 in FIG. The same parts as those used for the skeleton 3 in FIG. 10 can be used as they are. Also,
If the inner diameter of the multiple beam 24 is the same as that of the conventional beam 2, the ceiling can be accommodated in the same manner as in the case of the skeleton 3 of FIG. The same one can be used as it is.

Except for the above, the configuration is the same as that of the first embodiment, and the same operation and effect can be obtained.

[0056]

Fourth Embodiment FIG. 7 shows a fourth embodiment of the present invention. Note that the same or equivalent parts as those in the first embodiment are described with the same reference numerals.

First, the structure will be described. In the fourth embodiment, the beam is a C channel comprising a substantially vertical web 21 and a substantially horizontal first plate portion 22 provided above and below the web 21. The first plate portion 22 is formed with a substantially horizontal second plate portion 23 formed by further extending an end portion and bending outward to form a multiple beam 24 having high rigidity.
It has been. Note that the second plate 23 is the first plate 22
It may be attached by welding and fixing to the surface.

Further, in the case of the fourth embodiment, connection fittings 56 having a pair of diaphragms 55 (connection pieces) arranged at predetermined intervals are welded to the upper and lower ends of the column 1. The diaphragm 55 has a projecting portion 57 that slightly projects outside the column 1. Then, a part of the second plate portion 23 at the end of the multiple beam 24 is connected to the projecting portion 57 of the diaphragm 55.
, The web 21 and the first plate 22 are projected so that the first plate 22 of the projection 58 can be inscribed in the diaphragm 55. Note that the pair of diaphragms 55 are arranged at an interval at which the web 21 of the multiple beam 24 and the first plate portion 22 can be inscribed.

The projecting portion 5 of the diaphragm 55
7 and the second plate portion 23 of the multiple beam 24 are welded and fixed to each other (weld portion 59).

Next, the operation of the fourth embodiment will be described.

The second plate 23 at the end of the multiple beam 24
Is shortened by the amount of overhang of the projecting portion 57 of the diaphragm 55 so that the web 21 and the first plate portion 22 project, and the first plate portion 22 of the projecting portion 58 is extended by the projecting portion of the diaphragm 55. Since the end portion of the projecting portion 57 of the diaphragm 55 and the first plate portion 22 of the multiple beam 24 inscribed therein are mutually welded and fixed to each other (welding). Part 5
9) The multiple beam 24 can be fixed to the column 1 simply and reliably. Therefore, the present invention can be applied without any problem to the connection structure of a large space forming unit building in which a large space without pillars 1 is formed by combining a plurality of building units without pillars 1 at one corner or two corners.

Further, the outer shape of the diaphragm 55 and the multiple beams 2
4 can be made flush with the outer shape of the
10 is high. For example, if the external dimensions of the multiple beam 24 are the same as those of the conventional beam 2, the external dimensions become the same as the frame 3 in FIG. The same ones used for the ten skeletons 3 can be used as they are. In addition, multiple beams 24
If the inner diameter of the beam is the same as that of the conventional beam 2, the ceiling fit is the same as that of the skeleton 3 in FIG. 10, so that the ceiling beam and the floor joists are used in the skeleton 3 in FIG. The same one can be used as it is.

Except for the above, the configuration is the same as that of the first embodiment, and the same operation and effect can be obtained.

[0064]

Fifth Embodiment FIGS. 8 and 9 show a fifth embodiment of the present invention. The first embodiment
The same or equivalent parts will be described with the same reference numerals.

First, the structure will be described. In the fifth embodiment, the beam is a multiple beam 24 having substantially the same configuration as that of the first embodiment, and therefore detailed description is omitted.
Note that the beam is not limited to the multiple beam, and may be a C-channel material including a substantially vertical web and a substantially horizontal single flange provided above and below the web.

The joint piece 61 is made of a C-channel material having a substantially vertical web 62 and substantially horizontal flanges 63 provided above and below the web 62. In FIG. 9, the left side portion is a portion that is welded and fixed in contact with the column 1, and the left side portion of the flange 63 is extended to form a substantially horizontal second plate portion 64 that is bent inward. It has a multiplex structure. Note that the plate portion 64 is the first
It may be attached to the flange 63 which is a plate part by welding or the like.

Then, at the upper end or lower end of the column 1,
The end faces of the web 62 of the joint piece 61, the flange 63 of the multiplex structure, and the plate portion 64 are abutted and welded (welded portion 28). Then, a part of the second plate portion 23 at the end of the multiple beam 24 is connected to the flange 63 of the joint piece 61.
9, the web 21 and the first plate portion 22 are made to project by shortening the length of the single wall portion (the right portion in FIG. 9).
9 so that the web 21 and the first plate portion 22 can be inscribed in a single wall portion (the right portion in FIG. 9) of the flange 63 of the joint piece 61. In addition, joint piece 6
Reference numeral 1 denotes an inner dimension where the web 21 of the multiple beam 24 and the first plate portion 22 can be inscribed.

Then, a single wall portion of the web 62 and the flange 63 of the joint piece 61 (right side portion in FIG. 9)
The surfaces of the web 21 and the first plate portion 22 in the multiple beam 24 inscribed therein are welded and fixed to each other (welded portion 30).

Next, the operation of the fifth embodiment will be described.

The portion of the joint piece 61 on the side of the flange 63 which is welded and fixed in contact with the column has a multiplex structure in which the flange 63 and the second plate portion 64 are overlapped. The weld fixing part becomes strong. Then, the second plate portion 23 at the end of the multiple beam 24
Is shortened by the length of a single wall portion (right side portion in FIG. 9) of the flange 63 of the joint piece 61 so that the web 21 and the first plate portion 22 protrude. And the first plate portion 22 by combining the web 62 of the joint piece 61 and the single wall portion of the flange 63 (the right portion in FIG. 9).
And the surfaces thereof are welded and fixed to each other (welded portion 30).
Can be fixed to the joint piece 61,
As a result, fixing to the column 1 is simple and reliable.
Except for the above, the configuration is the same as that of the first embodiment, and the same operation and effect can be obtained.

[0071]

As described above, according to the first aspect of the present invention, a portion of the second plate portion at the end of the multiple beam is shortened in the longitudinal direction of the beam, and the web and the first plate are reduced. Since the projecting portion is formed by the portion and the projecting portion is overlapped with the connecting piece and connected and fixed, the multiple beam can be easily and reliably fixed to the column.

According to the second aspect of the present invention, a portion of the second plate portion at the end of the multiple beam is shortened by the length of the joint piece to form a projection, and the web constituting the projection is formed. And the first plate part are inscribed in the web and the flange of the joint piece, and the web and the flange of the joint piece and the web and the first plate part of the multiple beam inscribed therein are mutually welded. Since it is fixed
The multiple beams can be easily and reliably fixed to the columns.

Further, since the surfaces of the web and the flange of the joint piece and the web and the first plate portion of the multiple beam inscribed therein are mutually welded and fixed, the number of welding locations can be increased. The required joining strength can be easily obtained. Therefore, the rigidity of the joint between the column and the beam can be easily ensured without welding the joint piece and the multiple beams along the end of the joint piece. Moreover, if necessary, there is room for welding between the end of the joint piece and the second plate portion and the web of the multiple beam along the end of the joint piece, thereby further increasing the rigidity. It is also possible to aim.
Therefore, the present invention can be applied to the connection structure of the large space forming unit building without any trouble.

According to the third aspect of the present invention, a portion of the second plate portion at the end of the multiple beam is shortened by the length of the joint piece to form a projection, and the web constituting the projection is formed. And the first plate portion are circumscribed to the web and the flange of the joint piece, and the surfaces of the web and the flange of the joint piece and the web and the first plate portion of the multiple beam circumscribed are welded and fixed to each other. So that
The multiple beams can be easily and reliably fixed to the columns.

Further, since the surfaces of the web and the flange of the joint piece and the web and the first plate portion of the multiple beam circumscribed therewith are mutually fixed by welding, by increasing the number of welding locations, The required joining strength can be easily obtained. Therefore, the rigidity of the joint between the column and the beam can be easily ensured without welding the joint piece and the multiple beams along the end of the joint piece. Moreover, if necessary, there is room for welding between the end of the joint piece and the second plate portion and the web of the multiple beam along the end of the joint piece, thereby further increasing the rigidity. It is also possible to aim.
Therefore, the present invention can be applied to the connection structure of the large space forming unit building without any trouble.

According to the fourth aspect of the present invention, a portion of the second plate portion at the end of the multiple beam is shortened by the amount of extension of the projecting portion of the diaphragm to form a projecting portion, and the projecting portion is formed. The first plate part to be constituted is inscribed in the projecting part of the diaphragm, and the end of the projecting part of the diaphragm and the first plate part of the multiple beam inscribed therein are welded and fixed to each other. As a result, the multiple beams can be easily and reliably fixed to the columns. Therefore, the present invention can be applied to the connection structure of the large space forming unit building without any trouble.

According to the fifth aspect of the present invention, a connection structure similar to that of a normal beam is adopted by forming a protruding portion by shortening a part of the second plate at the end of the multiple beam. Becomes possible. Further, connection without steps can be performed.

According to the sixth aspect of the present invention, the flange of the connection piece is located in the gap between the first plate portion and the second plate portion of the multiple beam, and the connection piece and the multiple beam are connected and fixed. Therefore, the multiple beams can be easily and reliably fixed to the columns.

According to the invention of claim 7, the flange of the joint piece is sandwiched in the gap between the first plate portion and the second plate portion of the multiple beam, and the web of the joint piece is attached to the multiple beam web. Can be circumscribed, and the web and flange of the joint piece and the first plate portion, the second plate portion and the web of the multiple beam sandwiching and circumscribing the joint piece are welded and fixed to each other. As a result, the multiple beams can be easily and reliably fixed to the columns.

Further, since the web and the flange of the joint piece and the web and the first plate portion of the multiple beam sandwiching and circumscribing the joint and the flange are fixed by welding, it is possible to increase the number of welding locations. The required joining strength can be easily obtained. Therefore, the rigidity of the connecting portion between the column and the beam can be easily ensured without welding the joint piece and the multiple beams along the end of the joint piece. In addition, if necessary, there is room for welding the gap between the joint piece and the web of the multiple beams along the end of the joint piece, which can further increase the rigidity. Therefore, a practically useful effect of being able to be applied to the connecting portion structure of the large space forming unit building without any trouble can be exerted.

According to the eighth aspect of the present invention, the connection piece on the side of the joint piece which is in contact with the column and welded and fixed is a multi-layered structure in which at least the first plate portion and the second plate portion overlap. Therefore, the weld fixing portion between the joint piece and the column is strong, and at least the flange of the beam is welded and fixed by being inscribed or circumscribed in the joint piece of the joint piece. It is possible to fix the beam to the column.

According to the ninth aspect of the present invention, the portion of the joint piece which is in contact with the column of the flange and is welded and fixed is a multiplex structure in which at least the first plate portion and the second plate portion overlap. Due to the structure, the joint fixing part between the joint piece and the column is strong, and at least the flange of the beam is welded and fixed in or out of contact with the joint piece flange. It is possible to fix the beam to the column.

[Brief description of the drawings]

FIG. 1 is a perspective view of Embodiment 1 of the present invention.

FIG. 2 is a front view of the multiple beam of FIG. 1;

FIG. 3 is a perspective view of a second embodiment of the present invention.

FIG. 4 is a front view of the multiple beam of FIG. 3;

FIG. 5 is a perspective view of a third embodiment of the present invention.

FIG. 6 is a front view of the multiple beam of FIG. 5;

FIG. 7 is a perspective view of a fourth embodiment of the present invention.

FIG. 8 is a perspective view of a fifth embodiment of the present invention.

FIG. 9 is a perspective view of the joint piece of FIG. 8;

FIG. 10 is a perspective view of a skeleton of a building unit.

FIG. 11 is a perspective view showing a connection portion structure between a pillar and a beam according to a conventional example.

FIG. 12 is a perspective view showing a structure of a connecting portion between a pillar and a beam according to another conventional example.

FIG. 13 is a sectional view of a multiple beam.

FIG. 14 is a cross-sectional view of another multiple beam.

[Explanation of symbols]

 1 Pillar 21 Web 22 Flange 23 Second plate part 24 Multiple beam 25 Web 26 Flange 27 Joint piece (connecting piece) 29 Projection part 30 Welding part 41 Second plate part 42 Multiple beam 43 Projection part 51 Gap 55 Diaphragm (Connection) Piece) 57 overhanging part 58 protruding part 59 welding part 61 joint piece

 ────────────────────────────────────────────────── ─── Continued on the front page F term (reference) 2E125 AA04 AA14 AB05 AB16 AC16 AC17 AG57 BB09 BB13 BB22 BC02 BD01 BE02 CA05 CA14 2E163 FA12 FB04 FB07 FB09 FB44

Claims (9)

[Claims] 1. A connection structure between a column and a substantially C-channel beam having a substantially vertical web and substantially horizontal flanges provided above and below the web, wherein the flange includes at least a first flange. A plate portion and a second plate portion have a multi-flange structure overlapping each other. The first plate portion protrudes more in the longitudinal direction of the beam than the second plate portion. The connecting portion structure between a pillar and a beam, wherein the connecting piece is overlapped and fixed to the projecting portion of the first plate portion. 2. A substantially vertical web, a substantially horizontal first plate provided above and below the web, and a substantially horizontal second plate provided to overlap the outside of the first plate. C-shaped joint having a substantially vertical web and substantially horizontal flanges provided on the upper and lower sides of the web, wherein the substantially C-shaped multi-beam and the column are connected to each other. A piece is fixed, and a projection formed by a web and a first plate portion formed by shortening a part of the second plate portion by the length of the joint piece is formed at an end of the multiple beam; With the projections of the multiple beams inscribed in the joint piece, the surfaces of the web and the flange of the joint piece and the web and the first plate portion of the multiple beam inscribed therein were welded and fixed to each other. A connecting portion structure between a pillar and a beam, characterized in that: 3. A substantially vertical web, a substantially horizontal first plate provided above and below the web, and a substantially horizontal second plate provided on the inside of the first plate. C-shaped joint having a substantially vertical web and substantially horizontal flanges provided on the upper and lower sides of the web, wherein the substantially C-shaped multi-beam and the column are connected to each other. A piece is fixed, and a projection formed by a web and a first plate portion formed by shortening a part of the second plate portion by the length of the joint piece is formed at an end of the multiple beam; With the protruding portion of the multiple beam circumscribed to the joint piece, the web and the flange of the joint piece and the web and the first plate portion of the multiple beam circumscribed therewith were welded and fixed to each other. Characteristic connection structure between pillars and beams. 4. A substantially vertical web, a substantially horizontal first plate portion provided above and below the web, and a substantially horizontal second plate portion provided so as to overlap the outside of the first plate portion. And a connecting portion structure of a substantially C-channel-shaped multi-beam and a column, wherein a pair of diaphragms are attached to ends of the column so as to project outward from the column, and an end of the multi-beam. A web formed by shortening a part of the second plate by the amount of the protrusion of the diaphragm overhang and a protrusion of the first plate are formed. A column wherein the end of the diaphragm overhang and the first plate portion of the multiple beam inscribed therein are welded and fixed to each other while being inscribed in the overhang. Connection structure between the beam and the beam. 5. A substantially horizontal web, a substantially horizontal first plate provided above and below the web, and a substantially horizontal second plate formed by overlapping an end of the first plate inward or outward. A second C-shaped multi-beam having a plate portion,
A beam formed by forming a protruding portion by a web formed by shortening a part of the first plate portion and the first plate portion. 6. A connection structure between a column and a substantially C-channel beam having a substantially vertical web and substantially horizontal flanges provided above and below the web, wherein the flange includes at least a first flange. The plate portion and the second plate portion have a multi-flange structure overlapping each other, the first plate portion and the second plate portion have a gap at the longitudinal end of the beam, and the columns are formed on the side surfaces. A column having a substantially horizontal connecting piece, wherein the connecting piece is located in a gap between the first plate portion and the second plate portion, and is connected and fixed so as to overlap with the flange. Connection part structure with beam. 7. A substantially vertical web, a substantially horizontal first plate portion provided above and below the web, and a substantially horizontal second plate portion provided so as to overlap the outside of the first plate portion. C-shaped joint having a substantially vertical web and substantially horizontal flanges provided on the upper and lower sides of the web, wherein the substantially C-shaped multi-beam and the column are connected to each other. The piece is fixed, the flange of the joint piece is sandwiched in the gap between the first plate portion and the second plate portion of the multiple beam, and the web of the joint piece is circumscribed to the web of the multiple beam. , Wherein the web and flange of the joint piece and the surfaces of the first plate portion, the second plate portion and the web of the multiple beam sandwiching and circumscribing the same are welded and fixed to each other. Connection structure between pillar and beam. 8. A column and beam, wherein a column, a substantially C-channel beam having a substantially vertical web and substantially horizontal flanges provided above and below the web are connected via a joint piece. The joint piece has a connecting piece that abuts one end on a column and is welded and fixed, and a joint piece that is welded and fixed on the other end by at least a flange of the beam being inwardly or externally inscribed. And the connection piece on the side that is welded and fixed in contact with the column is at least a first piece.
A connecting portion structure between a column and a beam, wherein the connecting portion has a multiplex structure in which the plate portion and the second plate portion overlap each other. 9. The joint piece has a substantially vertical web and substantially horizontal flanges provided above and below the web, and a portion of the joint piece which is in contact with a pillar of the flange and fixed by welding is formed. 9. The structure according to claim 8, wherein at least the first plate portion and the second plate portion overlap each other in a multiplex structure.