KR101333079B1 - Steel frame structure using bent column for unit modular house - Google Patents

Abstract

Vertical plates; A bent end portion formed by bending both ends of the vertical plate at an angle of 90 degrees or more so as to be folded toward the back surface (A1) side; And a connection joint formed by continuously bending the ends at both bent ends at right angles; and a bent column for a unit structure including a column opening (S) formed between the connection junctions. A steel structure using a bent column for a unit structure, including; and the beam is fixed to the end surface in contact with the vertical plate or bent end of the bent column for the unit structure.

Description

Steel frame using bending column for unit structure {STEEL FRAME STRUCTURE USING BENT COLUMN FOR UNIT MODULAR HOUSE}

The present invention relates to a steel structure to be constructed as a unit structure, in particular, using the bent column for the unit structure that can be easily constructed and the cross section of the unit structure and the connection of the beam and the production cost of the unit structure is easy and efficient It relates to steel structure.

Housing using a unit structure (unit modular) is known as an eco-friendly high-tech housing construction method that can facilitate the construction of a house or the expansion and addition of houses, and dramatically reduce construction waste.

Unlike existing houses, which are constructed in the field, they are constructed by installing various kinds of interior materials such as windows, various mechanical equipments (bathroom and kitchen) and electric wiring inside the unit structure composed of multiple cubes at the factory in advance, It is a house that is assembled and completed.

As the housing is produced at the factory, it is possible to increase the productivity of the construction, to solve the problem of functional manpower due to the 3D phenomenon, to maintain the pleasant and safe construction site, . In addition, a unit structure using a unit structure is constructed by transporting a unit structure having a steel structure to a site and assembling it as a lEGO block, so that it is possible to dismantle the house according to the tastes of the residents and easily remodel the interior.

The housing construction method using the unit structure makes it possible to reduce the construction period, the construction cost and the environmental load to about 30% compared with the existing construction method due to the assembly and the construction of the housing construction. Especially, %.

The unit structure is composed of a column and a beam. Referring to FIG. 1A, the unit structure 10 is bonded to the unit structure 10 in two layers, for example, on a base 1 and the unit structures 10 are joined to each other .

At this time, it can be seen that the unit structures 10 are joined to each other by left, right, top, and bottom, and the joints 4a, 4, 4c are generated.

This unit structure is a steel structure made up of columns and beams, and the structure of the joints between the columns and beams will be described with reference to FIG. 1b.

First, the column 10 is manufactured in the form of a closed square tube, and it can be seen that the four columns are tightened to each other with fasteners such as bolts and nuts using the cross-shaped connecting members 15 and the connecting brackets 14.

In particular, since the connection bracket 14 is installed at a portion where the beam 13 and the column 10 are connected to each other, the connection bracket 14 functions to reinforce the connection portion, I have.

In addition, it has a function of allowing a large number of beams to be installed on the column up and down through the vertical alignment of the beam.

However, when the column 10 is formed into an angular pipe having a square cross-section, the manufacturing process becomes complicated, resulting in a problem of increased production cost. Further, there is a problem that the workability of the joint portion is deteriorated and it is difficult to secure the performance.

In addition, since the cross-shaped connecting member 15 fastens the bolts and the nuts to penetrate the column 10, the connecting operation is exposed to the outside of the column 10 and unnecessarily interferes with the cross-shaped connecting member 15, which lowers the workability.

Japanese Unexamined Patent Application Publication No. 5-025862 (joining reinforcing structure of a house unit) Korean Registered Patent No. 10-1233537 (modular unit joint structure)

The present invention is a steel frame using a bent column for the unit structure that is easy to manufacture the column member, the production cost is low, and can be effectively configured in the cross section, and also to ensure excellent joint performance while excellent construction of the joint The purpose is to provide a structure.

In addition, an object of the present invention is to provide a steel structure using a bent column for the unit structure for constructing a residential structure of more than 12 stories of the middle floor or more by implementing the complete fixing of the pillars and beams constituting the unit structure as a unit structure. .

In order to achieve the above object,

It is possible to provide a bent type column for a unit structure having a simple cross-sectional shape and easy connection of beams.

The bending type means that the steel plate can be easily manufactured by bending the steel plate, and the performance of the column can be ensured. Due to the characteristics of the unit structure, when the unit structure is joined to the left, right, top and bottom, So that it can be formed with a bonding structure.

The end surface of the beam of various cross-sectional shape is simply connected to the bent column to provide a steel structure using the bent column for the unit structure of the present invention.

To this end,

Vertical plates; A bent end portion formed by bending both ends of the vertical plate at an angle of 90 degrees or more so as to be folded toward the back surface (A1) side; And a connection joint formed by continuously bending the ends at both bent ends at right angles; and a bent column for a unit structure including a column opening (S) formed between the connection junctions. It provides a steel structure using a bent column for the unit structure, including; and the end plate is fixed to the end surface in contact with the vertical plate or bent end of the bent column for the unit structure.

Also preferably,

The bent column for the unit structure provides a steel structure using the bent column for the unit structure to further fill the filler.

Also preferably,

The filler provides a steel structure using a bent column for the unit structure to be formed between the stiffener or the diaphragm horizontally spaced apart from each other inside the bent column for the unit structure spaced inside the bent column for the unit structure spaced apart. .

Also preferably,

The steel structure using the bent column for the unit structure is arranged in four corners to provide a steel structure using the bent column for the unit structure to be formed into a unit structure made of columns and beams.

The unit structures are joined to each other left, right, up and down, and are constructed as a multi-layered building. In the joints formed while the unit structures are joined to each other, the bent ends of the pillars adjacent to each other are connected to each other by bolts or welding. Provided is a steel structure using a bent column for the unit structure to be formed in a closed section by the bent column for the unit structure.

Steel structure (columns and beams) using the bent column for the unit structure according to the present invention, the column is made open by bending the plate material, the production is convenient, the production cost is low.

In addition, the columnar opening formed in the column improves the workability of the joining portion, and various joining structures can be applied.

In addition, the strength of the joint portion can be increased by joining a stiffener or a diaphragm to the inner central portion of the open column, and the mortar or concrete can be partially or totally filled, thereby improving the compressive strength, buckling strength and strength of the joint.

Particularly, since the shape of the column is very simple, the steel sheet can be easily manufactured by roll forming, and since ready-made products can be used, an economical unit structure can be manufactured.

In addition, the part to which the pillar of the present invention is joined is a closed type to maximize the efficiency of the assembly cross-section through the connecting plate is advantageous for securing the lateral rigidity due to the complete fixing in the joining of the column, it is advantageous for the high-rise of the unit structure.

Particularly, the joining portion of the column and the beam of the unit structure according to the present invention has an excellent vertical and horizontal bonding force, a great increase in lateral rigidity, economical utilization of the optimum cross-section of the joining portion, and greatly improved assembly workability in the field.

In addition, the joining portion of the column and the beam of the unit structure according to the present invention is easy to assemble and disassemble, so that the member can be recycled and reused, and can be easily moved because it is movable.

FIGS. 1A and 1B are perspective views showing a joint between a column and a beam using a conventional unit structure,
FIG. 2A is a perspective view of a unit structure using a steel structure using a bent column for a unit structure of the present invention,
FIGS. 2B and 2C are conceptual diagrams of unit structure joining using a steel structure using a bent column for a unit structure of the present invention,
FIGS. 3A, 3B and 3C are perspective views of a bent column for a unit structure of the present invention and a perspective view of a beam,
Figure 4 is a perspective view of the junction of the steel structure using the bent column for the unit structure according to the first embodiment of the present invention,
5 is a perspective view of the joint portion of the steel structure using the bent column for the unit structure according to the second embodiment of the present invention.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when a part is said to "include" a certain component, it means that it can further include other components, without excluding other components unless specifically stated otherwise.

[Steel Structure Using Bending Column 110 for Unit Structure]

Figure 2a shows a perspective view of a unit structure 100 using a foldable column 110 for a unit structure according to the present invention.

The unit structure 100 is composed of a plurality of bent pillars 110 and beams 120 for the unit structure, a plurality of beams horizontally connected to the upper and lower ends of the four pillars 110 arranged at the corners, respectively It can be seen that consists of 120 to form a box-shaped skeleton.

In addition, it can be seen that the two beams 120 are connected to each other in each pillar 110, whereby one unit structure 100 may be manufactured in the form of a box consisting of a pillar and a beam.

At this time, it can be seen that the pillar 110 and the beam 120 is used for the unit structure 100 and the steel structure by the connection of the bent column 1100 and the beam 120 for the unit structure in the present invention It will be referred to as a steel structure using a bent column for the unit structure.

Figs. 2B and 2C show a joining structure connecting the unit structures 100 according to Fig. 2A to the upper, lower, left, and right sides.

First, the building is such that the plurality of unit structures 100 are connected horizontally, that is, left and right (horizontal bonding) as shown in FIG. 2B, and the unit structures 100 joined to each other left and right are connected up and down as shown in FIG. 2C ( Vertical junction) to be constructed as a multi-storey building.

That is, the unit structure 100 is installed so that the plurality of units are connected to each other by connecting adjacent pillars 110 in this process of being constructed so that the other unit structure 100 is horizontally and vertically bonded up, down, left, right. The building will be constructed in multiple floors.

2b, it can be seen that a portion where two and four pillars are joined in connecting four unit structures 100 horizontally occurs.

In addition, according to Figure 2c it can be seen that in the connection of the eight unit structures 100 in the horizontal and vertical in addition to the site where the four, eight columns are joined.

Accordingly, since a plurality of columns and a plurality of beams are connected to each other at the joining portion of the column 110 and the beam 120 and the joining portion of the beam 110 and the beam 110 of the unit structure 100 adjacent to each other, It should be stable as described below.

[Bending column 110 and beam 120 for unit structure]

3A, there is shown a perspective view of a foldable column 110 for a unit structure of the present invention.

That is, the bent column 110 for the unit structure is formed as a bent end portion 112 formed by bending at least 90 degrees so that both end portions of the vertical plate 111 are folded toward the back surface A1. So that the connection joint portion 113 is formed.

The foldable pillars 110 for the unit structure are arranged in the vertical direction on the corners of the unit structure 100 as shown in FIGS. 2B and 2C, so that the columnar openings S opened between the connecting joints 113 are formed. do.

Therefore, it can be understood that the shape is very simple, so that it is possible to use the ready-made product of the similar type as it is or to use the product which is made by forming, so that the convenience of manufacturing and economical efficiency can be ensured.

The width dimension of both bent ends 112 is not particularly limited, and thus the opening width of the columnar opening S can be increased or decreased.

Accordingly, the manufacturing cost can be reduced as compared with the prismatic column having the closed end face of the square, and the columnar opening S is formed on one side, so that it is not necessary to process a separate hole for joining with another member.

Referring to FIG. 3B, it can be seen that a filler material 114 such as concrete can be filled in the columnar opening S of the foldable column 110 for the unit structure.

That is, a stiffener 115 or a diaphragm in the form of one or more plate members may be disposed in the bent-type column 110 for the unit structure in a direction perpendicular to the longitudinal direction. For example, the stiffener 115 or the diaphragm may be provided on the central portion side except for both ends of the bent-type column 110 for the unit structure. When a plurality of stiffeners 115 or diaphragms are provided, they are spaced apart from one another by a predetermined distance. The stiffener 115 is preferably made of a metallic material and has the same shape as the internal cross-section of the bent-type column 110 for the unit structure. The thickness of the stiffener 115 or diaphragm need not be the same as the thickness of the plate of the foldable column 110 for the unit structure, but may be adjusted according to the design. By providing the stiffener 115 and the diaphragm in this manner, various strengths are increased.

A plurality of stiffeners 115 or diaphragms may be disposed in a direction perpendicular to the inside of the bent-type column 110 for the unit structure. In the whole or a part of the region defined by the stiffeners 115 or the diaphragm, Concrete may be poured and constructed.

The stiffener 123 and the diaphragm may be installed together with the side cover plate 16 or may be installed without the side cover plate 16.

The beam 120 is to be fixed to the front end (A1) of the vertical plate portion 111 by the right angle as shown in Figure 3c by using a c-shaped steel product as it is or bending or forming a steel sheet (forming) What is produced may be used.

The beam 120 is not limited to the one having the specified cross section, and thus is not limited to the cross section exemplified.

The beams 120 may be vertically contacted with the bent-type columns 110 for the unit structure or may be adjoined to the pillars 110 so as to face each other.

[Joint of Steel Structure Using Bent Column 110 for Unit Structure]

The steel structure using the bent column 110 for the unit structure according to the present invention is used in one unit structure, but a plurality of unit structures are joined by forming a closed columnar section in the process of joining each other up, down, left, right As it provides a superior bonding structure, this is as follows.

4 and 5 show the junction structure of the unit structure by the steel structure using the bent column for the unit structure in Examples 1,2.

Example 1

Referring to FIG. 4, in the horizontal joining of FIG. 2B, four joining portions (four joining portions in FIG. 2B, indicated by C in FIG. 2B) are formed by joining four columns 110 disposed at four corners of the unit structure 100 Are shown.

As shown in FIG. 4, the four pillars 110 of the unit structure 100 are formed as square pipe-shaped column joints closed by contacting each of the folded ends 112, Can be integrated with each other by bolts or welding.

Even if the bent ends 112 are in contact with each other, since the columnar openings S are formed respectively, it is advantageous that such integration is very easy.

At this time, it can be seen that the beams 120 integrated with the column joints in the state of being joined to each other can be integrated with the end faces of the column joints at four corners.

Also, it can be seen that the beams 120 adjacent to each other are horizontally integrated with each other by the bolts 121 and the nuts 122.

As a result, it can be seen that the columns 110 of the unit structure 100 can be simply connected to each other in the horizontal direction.

[Example 2]

Referring to FIG. 5, the second embodiment of the present invention will be described with reference to FIG. 5. In the vertical joining shown in FIG. 2C, eight joining portions (eight joining portions) Are shown.

Four columns 110 joined horizontally to each other are vertically connected to connect eight columns,

As a result, it can be seen that the four beams 120 horizontally joined together are also vertically connected.

It can thus be seen that the pillars 110 of the unit structure 100 are formed as square pipe-shaped column joints with their respective bent ends 112 abutting on each other. These bent ends 112 are integrated with each other by bolts .

Since the pillar openings S are respectively formed even if the bent ends 112 are in contact with each other, the integration operation is very easy.

At this time, it can be seen that the beams 120 integrated with the column joints in the state of being joined to each other can be integrated with the end faces of the column joints at four corners.

Further, it can be seen that the beams 120 adjacent to each other are vertically integrated with each other by the bolts 121 and the nuts 122.

As a result, it can be seen that the columns 110 of the unit structure 100 can be easily connected to each other also in the vertical direction.

The foregoing description of the present invention is intended for illustration, and it will be understood by those skilled in the art that the present invention may be easily modified in other specific forms without changing the technical spirit or essential features of the present invention. will be. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may also be implemented in a combined form.

The scope of the present invention is shown by the following claims rather than the above description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

100: Unit structure 110: Column
111: Vertical plate 112: Bending end
113: connection joint 114: filler
115: stiffener 120: beam
121,122: Bolts and nuts

Claims (5)

A vertical plate 111; A bending end portion 112 formed by bending at least 90 degrees to fold both ends of the vertical plate 111 toward the rear surface A1; And a connection junction portion 113 formed by continuously bending the ends of the bent ends 112 at right angles. The bent column 110 for a unit structure including a column opening S formed between the connection junction portions 113. ); And
A beam 120 having an end surface contacted and fixed to a vertical plate 111 or a bent end 112 of the bent column 110 for the unit structure;
Steel structure using a bent column for the unit structure comprising a. The method of claim 1,
Steel structure using the bent column for the unit structure, characterized in that the filler 114 is further filled inside the bent column for the unit structure (110). 3. The method of claim 2,
The filler material 114 is such that the stiffeners 115 or the diaphragm are formed between the bent pillars 110 for unit structures spaced apart from each other by being horizontally spaced apart from each other in the bent pillars 110 for unit structures. Steel structure using a bent column for the unit structure characterized in that. The method of claim 1,
The steel frame structure using the bent column for the unit structure is arranged in four corners to be formed using the unit structure 100 made of the column 110 and the beam 120, using the bent column for the unit structure Steel structure. 5. The method of claim 4,
The unit structures are joined to each other left, right, up and down, and are constructed as a multi-layered building, and the bent ends 112 of adjacent pillars are connected to each other by bolts or welding at joints formed while the unit structures are joined to each other. Steel structure using the bent column for the unit structure characterized in that the junction is formed by the closed section by the bent column for the unit structure.

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