KR101384706B1

KR101384706B1 - Steel beam joint

Info

Publication number: KR101384706B1
Application number: KR1020130044939A
Authority: KR
Inventors: 채일수
Original assignee: 채일수
Priority date: 2013-04-23
Filing date: 2013-04-23
Publication date: 2014-04-14
Also published as: WO2014175575A1

Abstract

The present invention relates to a cheolgolbo joint for mutually joining adjacent beams while minimizing the use of the joint plate in the steel structure.
Cheolgolbo junction of the present invention, the web, the first member consisting of a flange coupled to the top and bottom of the web, respectively; And a second member coupled to an end of the first member and configured to have a web, and flanges coupled to upper and lower portions of the web, respectively. The first member has an upper flange at the end coupled with the second member on the same line as the end of the web, and the lower flange protrudes in the direction of the second member, and the second member has a lower flange. It is characterized in that coupled to be mounted on the top of the protruding lower flange of the first member.
According to the present invention, since the flange of the other side cheolgolbo is positioned on the flange upper side of one side cheolgolbo and then directly coupled to the upper and lower flanges of the adjacent cheolgolbo, a separate joint plate is unnecessary. Therefore, it is possible to reduce the amount of steel and bolts, improve economics by omitting the field assembly process, shorten the air, and mass-produce high-quality joints.

Description

Cheolgolbo Joint {STEEL BEAM JOINT}

The present invention relates to a cheolgolbo joint for mutually joining adjacent beams while minimizing the use of the joint plate in the steel structure.

Large structures of long spans are applied to buildings that require large spaces such as factories, warehouses, and high-rise buildings, and each member of the steel structure is designed to meet the design stress required before the member is manufactured. Next, it is produced through the process of producing each member individually in the designed dimensions.

At this time, in addition to the existing shaped steels such as H-shaped steel, assembly welding beams formed by welding steel sheets as a structural material for optimum design are widely used.The welding welding beams are joined together by bolts or welding assembly using a joint plate at the site after manufacturing the factory. .

1 (a) and (b) are a front view and a perspective view respectively showing a joint of the cheolgolbo 10, the conventional dance is the same, Figures 2 (a) and (b) are respectively different cheolgolbo 10 , 11) is a front view and a perspective view showing the junction of FIG.

Conventionally, in the case of the same cheolgolbo 10 as shown in Figure 1 padded the joint plate 20 for connecting the upper and lower flanges and the web of the adjacent cheolgolbo 10 and then bolted to each other. And when the dance is different cheolgolbo (10, 11) as shown in Figure 2 in order to transfer the stress of the small beam 11 of the dance to the large beam 10, the flange position of the small dance of the dance 11 The gusset plate 30 was coupled into the large beam 10 at the position corresponding to the other, and the other gusset plate 30 was joined to the end of the gusset plate 30 in the vertical direction.

However, the existing steel cheolgolbo joining method using the joining plate 20 or gusset plate 30 as described above is a steel material, bolt amount, field assembly process due to the plate processing and bolt joint hole work, separate assembly process in the field There were many economic, air and quality issues such as these. In addition, there was a disadvantage that a problem may occur in the structural safety when joining the joint, in particular, the joint of the different cheolgolbo using the gusset plate 30, the joint details are complicated, the construction was inconvenient.

On the other hand, when joining a horizontal member, such as conventional beams, girders, was connected to one end of the other side cheolgolbo first adjacent one end of the cheolgolbo installed first.

However, when combining the other side cheolgolbo in the horizontal direction from the side of one side cheolgolbo, there was a problem that it is difficult to work while matching both the horizontal and vertical center of the cheolgolbo. Because, the joining process of the adjacent cheolgolbo is made of a sue operation, because the end of the other cheolgolbo moves up, down, left, and right during the work of aligning the end of one cheolgolbo horizontally and vertically by lifting the cheolgolbo.

In order to solve the above problems, the present invention does not require a joint plate such as a joining plate or gusset plate when joining adjacent cheolgolbo, to provide a steel cheolgolbo joint that can reduce the amount of steel and bolts, field assembly process.

In addition, the present invention can be applied not only when the dance of the adjacent cheolgolbo is the same, but also when the dance is different, it is possible to save the amount of steel by the optimal design of the member cross-section according to the design stress, to provide a cheolgolbo joint that can increase the ceiling height I would like to.

In addition, the present invention is easy to match the center of the vertical and horizontal direction when combining the cheolgolbo to one end of the cheolgolbo first installed, to provide a cheolgolbo joint that can improve the workability and safety.

Accordingly, the present invention is to provide a cheolgolbo joint that can improve the economic efficiency, shorten the air, improve the joint quality.

The present invention according to a preferred embodiment for solving the above problems is a web, a first member consisting of an assembly beam welded to each of the flanges on the top and bottom of the web; And a second member coupled to an end of the first member and configured to have a web, and flanges coupled to upper and lower portions of the web, respectively. The first member has an upper flange at the end coupled with the second member on the same line as the end of the web, and the lower flange protrudes in the direction of the second member, and the second member has a lower flange. Is provided to the cheolgolbo junction, characterized in that coupled to be mounted on top of the protruding lower flange of the first member.

According to another exemplary embodiment of the present invention, the second member has the same dance as the first member, and an upper flange of the end joined to the first member protrudes toward the first member, and the protruding upper portion of the second member. The flange provides a cheolgolbo joint, characterized in that coupled to be mounted on top of the upper flange of the first member.

According to another preferred embodiment of the present invention, the dance of the second member is smaller than the height d of the web of the first member by t, and the connection plate having a thickness of t is connected to the lower surface of the upper flange of the first member. And the other lower surface provides a cheolgolbo junction, characterized in that coupled to the upper surface of the upper flange end of the second member.

According to another preferred embodiment of the present invention, the second member is a girder, and the first member provides a cheolgolbo joint, characterized in that the girder or a bracket.

According to another preferred embodiment of the present invention, the second member provides a cheolgolbo joint, characterized in that the section steel or assembly beam.

According to the present invention as described above, the following effects can be obtained.

First, since the flange of the other side cheolgolbo is positioned directly on the flange of one side cheolgolbo directly coupled to the upper and lower flanges of the adjacent cheolgolbo, a separate joint plate is unnecessary. Therefore, it is possible to reduce the amount of steel and bolts, improve economics by omitting the field assembly process, shorten the air, and mass-produce high-quality joints.

Second, if the dance of the other cheolgolbo is t smaller than the web height of one cheolgolbo, t between both ends of the upper plate of the upper cheolgolbo and the upper flange of the other cheolgolbo through the space between the upper flanges of the adjacent cheolgolbo Can be easily located. Therefore, there is an advantage that can be ensured stress transmission by a simple construction.

Third, it is possible to apply not only when the dance of the adjacent cheolgolbo is the same, but also when the dance is different, it is possible to increase the indoor ceiling height.

Fourth, in the optimal design of the member cross-section according to the design stress, even if the position of the adjacent cheolgolbo is not in the same plane because the size or thickness of the member cross-section between the adjacent members are different. Therefore, the amount of steel used can be reduced as compared with the case of using a member having a constant cross section.

Fifth, when combining the cheolgolbo to one end of the first cheolgolbo installed first, it is easy to center the vertical and horizontal direction, it is possible to improve the workability and safety.

1 (a) and 1 (b) are a front view and a perspective view respectively showing a junction of a cheolgolbo having the same conventional dance.
2 (a) and 2 (b) are a front view and a perspective view respectively showing the joints of cheolgolbo different from the conventional dance.
3 is a perspective view showing a first member used in the cheolgolbo junction of the present invention.
(A), (b), (c) is a front view, a perspective view, and an exploded perspective view which show an Example of the cheolgolbo joint part of this invention, respectively.
(A), (b), (c) is a front view, a perspective view, and an exploded perspective view which show another Example of the cheolgolbo joint part of this invention, respectively.
Figure 6 is a view showing an embodiment of the various cheolgolbo junction bonded using the cheolgolbo junction of the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments.

Figure 3 is a perspective view showing a first member 100 used in the cheolgolbo junction of the present invention, Figure 4 (a), (b), (c) are each showing an embodiment of the cheolgolbo junction of the present invention Front view, perspective view, and exploded perspective view.

The cheolgolbo joint of the present invention, the web 110, the first member 100 consisting of an assembly beam welded to the flange (120a, 120b) on the upper and lower portions of the web 110, respectively; And a second member 200 coupled to an end of the first member 100 and configured of a web 210 and flanges 220a and 220b respectively coupled to upper and lower portions of the web 210. .

The cheolgolbo joint of the present invention relates to the joint of the first and second members 100 and 200 which are adjacent members.

The first member 100 is composed of a factory-fabricated assembly beam welded to the upper and lower flanges (120a, 120b) to the web 110, the second member 200 is characterized in that both can be a steel beam or assembly beam.

The web 110 and the flanges 120a and 120b are all made of steel.

The first member 100 is a girder or a bracket, and the second member 200 is composed of a girder.

The first member 100 is As can be seen in Figure 3, the upper flange (120a) of the end coupled to the second member 200 is located on the same line as the end of the web 110, the lower flange (120b) is the second member 200 Protruded in the direction of ()), the second member 200 is characterized in that the lower flange (220b) is coupled to be mounted on the upper portion of the protruding lower flange (120b) of the first member (100).

That is, the lower flange 120b and the second member of the first member 100 do not need to be coupled to the adjacent lower flanges 120b and 220b to join the first and second members 100 and 200 to each other. The bottom flange 220b of the member 200 is directly butt-coupled up and down.

Adjacent lower flanges 120b and 220b of the first and second members 100 and 200 may be welded or bolted together, and the bolt coupling holes may be drilled in advance when bolted together.

Of course, the webs 110 and 210 of the first and second members 100 and 200 may be coupled by the web bonding plate 400.

In addition, in the present invention, the second member 200 has the same dance as the first member 100 and the upper flange 220a at the end coupled to the first member 100 protrudes toward the first member 100. Is formed, the protruding upper flange 220a of the second member 200 is characterized in that coupled to be mounted on the upper portion of the upper flange (120a) of the first member (100).

That is, when the dances of the adjacent first and second members 100 and 200 are the same, as shown in FIG. 4, the upper flange 220a at the end of the second member 200 coupled to the first member 100 may be used. Is configured to protrude in the direction of the first member 100, the lower flange 220b of the second member 200 is mounted on the protruding lower flange 120b of the first member 100, the second member The protruding upper flange 220a of the 200 is mounted on the upper flange 120a of the first member 100 to be coupled to each other by a bolt or welding method.

Therefore, it is not necessary to use a joint plate for joining adjacent upper flanges 120a and 220a.

Adjacent upper flanges 120a and 220a may be bored with a bolt coupling hole for bolt coupling.

Ends of the webs 110 and 210 of the first and second members 100 and 200 are preferably disposed to be adjacent to each other, and are bolted to each other using the web joining plate 400. Bolt coupling holes may be drilled in advance in the webs 110 and 210 of the first and second members 100 and 200 to couple the bolts.

In the present invention, the first and second members 100 and 200 may be coupled while moving in the horizontal or vertical direction.

Therefore, after installation of the first member 100, by moving the second member 200 downward from the upper side of the first member 100 to be seated on the lower flange (120b) of the protruding first member 100 The vertical center of the second member 200 need not be aligned separately.

In addition, after the second member 200 is seated, the second member 200 may be finely moved in the horizontal direction to align the horizontal center. Therefore, the work of aligning the horizontal center may be easy and the safety of the worker may be improved. .

Next, FIGS. 5A, 5B, and 5C are front, perspective, and exploded perspective views, respectively showing another embodiment of the cheolgolbo joint of the present invention.

According to the present invention, the dance of the second member 200 is smaller than the height d of the web 110 of the first member 100 by t, and the thickness t is one side of the first plate 100. It is coupled to the lower surface of the upper flange (120a) of the 100 and the other lower surface is coupled to the upper surface of the end of the upper flange (220a) of the second member (200).

That is, as can be seen in Figure 5, the thickness of the upper and lower flanges 220a and 220b at the height of the web 110 of the first member 100 and the dance of the second member 200, that is, the height of the web 210. When the difference occurs between the sum of the length t, one side of the connecting plate 300 into the space between the upper flange 120a of the first member 100 and the upper flange 220a of the second member 200 You can insert

One side and the other side of the inserted connection plate 300 are sequentially coupled to the upper flange 120a of the first member 100 and the upper flange 220a of the second member 200, respectively, so that the first and second members ( The upper flanges 120a and 220a of 100 and 200 are joined to each other. As shown in FIG. 5, the connecting plate 300 for joining the upper flanges 120a and 220a of the first and second members 100 and 200 may be formed of the first member 100 or the second member 200. Position the pair symmetrically about the web.

At this time, when one side and the other side of the connecting plate 300 is bolted to the upper flange 120a of the first member 100 and the upper flange 220a of the second member 200, respectively, in the process of connection The plate 300 may combine the first and second members 100 and 200 by absorbing a manufacturing error or a construction error of the member while causing the bending deformation.

Of course, the webs 110 and 210 of the first and second members 100 and 200 may be bonded to each other using the web bonding plate 400.

Finally, Figure 6 is a view showing an embodiment of the various cheolgolbo junction bonded using the cheolgolbo junction of the present invention.

In Figure 6 (a), (b) the first member 100 is a bracket coupled to the pillar (C), the second member 200 is a cheolgolbo. In particular, one end of the bracket coupled to the pillar (C) in Figure 6 (b) was made to have a larger cross section than the other end in order to increase the strength for the moment or shear force.

And (c), (d) of Figure 6 shows the cheolgolbo junction of the present invention applied to a mountain-shaped steel frame building, it can be seen that the present invention can be applied to a mountain-shaped steel frame building using a cross-sectional member.

10: cheolgolbo 11: cheolgolbo
20: bonded plate 30: gusset plate
100: first member 110: web
120a, 120b: flange 200: second member
210: web 220a, 220b: flange
300: connecting plate 400: web bonding plate
B: Bolt C: Column

Claims

A first member (100) consisting of a web (110) and assembly beams welded to flanges (120a, 120b) on the upper and lower portions of the web (110), respectively; And
A second member 200 coupled to an end of the first member 100 and configured of a web 210 and flanges 220a and 220b respectively coupled to upper and lower portions of the web 210; As shown in FIG.
The first member 100 has the upper flange (120a) of the end coupled to the second member 200 is on the same line as the end of the web 110, the lower flange (120b) is the second member 200 Protruding in the direction, the second member 200 is coupled to the lower flange 220b is mounted on the upper portion of the protruding lower flange 120b of the first member 100,
The dance of the second member 200 is smaller than the height d of the web 110 of the first member 100 by t, and the thickness t is one side of the first plate 100 of the connection plate 300. It is coupled to the lower surface of the upper flange (120a) and the other lower surface is coupled to the upper surface of the end of the upper flange (220a) of the second member 200,
A pair of the connecting plates 300 for coupling the upper flanges 120b and 220b of the first and second members 100 and 200 is symmetrically installed around the web 110 of the first member 100. Cheolgolbo junction characterized in that it becomes.
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The method of claim 1,
The second member 200 is a girder, the first member 100 is cheolgolbo junction, characterized in that the girder or bracket.
The method of claim 1,
The second member 200 is a cheolgolbo junction, characterized in that the section steel or assembly beam.