KR101697360B1 - Connection structure of prefabricated columns - Google Patents

Connection structure of prefabricated columns Download PDF

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Publication number
KR101697360B1
KR101697360B1 KR1020150141257A KR20150141257A KR101697360B1 KR 101697360 B1 KR101697360 B1 KR 101697360B1 KR 1020150141257 A KR1020150141257 A KR 1020150141257A KR 20150141257 A KR20150141257 A KR 20150141257A KR 101697360 B1 KR101697360 B1 KR 101697360B1
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KR
South Korea
Prior art keywords
column
connection
prefabricated
reinforcing bar
steel plate
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Application number
KR1020150141257A
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Korean (ko)
Inventor
황성섭
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황성섭
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Priority to KR1020150141257A priority Critical patent/KR101697360B1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/58—Connections for building structures in general of bar-shaped building elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B1/1903—Connecting nodes specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • E04B1/21—Connections specially adapted therefor
    • E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/30—Columns; Pillars; Struts

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The present invention relates to a connection structure for a prefabricated column composed of a connection unit having at least one connection rod protruding from a top surface of a slab or a floor surface in a vertical direction; and a prefabricated column having a concrete body, having a connection hole wherein the connection rod of the connection unit is inserted into a lower part, and having a plurality of column reinforcements functioning as a framework therein. A column of a building is able to conveniently be constructed using a method of simply stacking up the prefabricated columns, which are manufactured (cured) outside the construction site, on a top of the connection unit after moving the prefabricated columns to the construction site; and fixating the prefabricated columns to the top of the connection unit. Accordingly, the connection structure for the prefabricated column is capable of obtaining an effect of reducing a time required to construct the column by remarkably omitting various types of processes necessary to construct a column in the past, and an effect of rapidly constructing the column with small number of workers by reducing the number of workers by omitting the processes. In addition, the connection structure for the prefabricated column is capable of inducing a convenient installation of the prefabricated columns with the connection unit and a firm fixation of the prefabricated columns; thereby obtaining an effect of securing structural safety of the building with user convenience for constructing the column.

Description

Connection structure of prefabricated columns

The present invention relates to a connection structure of a prefabricated column, and more particularly, to a method of constructing a post of a building by simply transferring an outside manufactured (cured) post post to a construction site, Therefore, it is possible to reduce the time required for forming the column by greatly reducing the various processes required for constructing the column in the past, and it is possible to reduce the demand of the workforce by reducing the process, To the connection structure of the prefabricated column.

Generally, a process of continuously depositing layers in a process of building a concrete building includes a first step of forming a skeleton of a column, a second step of stacking a skeleton of the beam on an upper layer of the skeleton of the column, A third step of forming a frame of a slab by laminating a lower reinforcing bar woven in a lattice form on the upper layer of the skeleton and an upper reinforcing bar woven in a lattice form on the upper part of the lower reinforcing bar; and a third step of forming a frame on the outer side of the pillar skeleton and the beam skeleton and the slab skeleton And a concrete layer is cured into the mold to form a column, a beam and a slab, and a layer is formed by a fourth step.

However, as described above, after forming the skeleton of the column at the site as described above, the form is formed to cure the concrete, and when the form is completed, the method of casting concrete, curing for a certain period and then collecting the form again, It takes too much time, and there is a problem in that the air required to build the building is lengthened.

Furthermore, it is difficult to smoothly carry out the work of dismantling and collecting the mold again after the worker has formed the frame and the form of the column at the complex construction site and poured the concrete.

On the other hand, in the actual situation where there is not enough manpower to work in a construction site which is physically difficult and has a poor working environment these days, the method of forming a column as described above requires a lot of manpower and time, It is true.

Therefore, there is a need for a method to quickly build pillars with less manpower at the construction site.

The present invention has been proposed in order to solve all of the above problems, and it is an object of the present invention to provide a method and apparatus for easily assembling a building, Since the column can be constructed, it is possible to reduce the time required to form the column by greatly reducing the various processes that have been conventionally required to construct the column, and it is possible to reduce the labor demand due to the reduction of the process, And to provide a connection structure of a prefabricated column capable of performing rapid construction of a column with manpower.

In addition, it is an object of the present invention to provide a connection structure of a prefabricated column that can facilitate installation and rigid fixation of an assembly column through a connection portion, thereby ensuring the installation convenience of the column and the structural safety of the building.

According to an aspect of the present invention, there is provided a connecting structure for a prefabricated column, comprising: a connecting part having at least one connecting rod vertically protruding from a floor or a slab; a body having a concrete structure; And an assembly column in which a plurality of columnar bars functioning as a skeleton are formed,

The assembly column is erected uprightly and the connecting rod of the connecting portion is easily connected to the connecting groove of the assembling column so that the connecting column is installed.

The assembly column is formed of concrete, and includes a body having a plurality of columnar bars functioning as a skeleton, a connection groove formed in the lower portion of the body and having a connecting rod of the connection portion inserted therein, And an upper portion of which is coupled to the upper steel plate and a lower portion of which is fixed to the body so as to fix the upper steel plate to the body, .

Further, an injection hole communicating with the connection groove is formed on a lower side surface of the body,

The mortar is injected and cured into the connection groove through the injection hole after the assembly column is installed on the upper part of the connection part so that the connection part and the assembly column are firmly coupled and fixed so that the structural safety of the building is enhanced .

The connecting portion may include a lower steel plate having a flat plate shape and a lower portion having at least one connecting rod fixed to the lower steel plate and erected upright.

In addition, when the connecting portion is formed in the slab,

Wherein an upper portion of the fixed reinforcing bar formed on the upper steel plate of the assembling column is vertically extended to form an extended reinforcing bar forming a female thread and a lower portion formed with a male thread to be fastened with a female screw thread of the reinforcing bar, A connection reinforcing bar which is fixedly coupled to an upper portion of the extended reinforcing bar so as to be inserted into a connection groove of the assembly column and a connecting reinforcing bar which is formed so as to allow the connecting reinforcing bar to pass through the lower reinforcing plate, And the through hole is formed in the through hole.

Further, a lower portion of the connecting rod formed on the lower steel plate is formed to extend downward so that the lower steel plate is brought into contact with the upper portion of the upper steel plate so that the lower steel plate is spaced apart from the upper portion of the upper steel plate .

As described above, according to the connection structure of the prefabricated column according to the present invention, it is very easy to construct the column of the building by transferring the assembled pillars manufactured from the outside to the construction site and then stacking them on the upper part of the connection section. Therefore, it is possible to reduce the time required for forming the column by greatly reducing the various processes required for constructing the column in the past, and it is possible to reduce the demand of the workforce by reducing the process, Can be constructed.

In addition, it is possible to secure the installation convenience of the column and the structural safety of the building by inducing the convenient installation and rigid fixing of the assembly column through the connection portion.

1 is a perspective view of a connection structure of a prefabricated column according to an embodiment of the present invention;
Fig. 2 is an exploded perspective view of the connection structure of the prefabricated column shown in Fig.
3 is a vertical cross-sectional view of the connection structure of the prefabricated column shown in Fig.
Fig. 4 is a view showing the state of use of the connection structure of the prefabricated column shown in Fig.

The connection structure of the prefabricated column according to the preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. Detailed descriptions of well-known functions and constructions that may be unnecessarily obscured by the gist of the present invention will be omitted.

FIG. 1 is a perspective view of a connection structure of a prefabricated column according to an embodiment of the present invention, and FIG. 2 is a perspective view of a connection structure of a prefabricated column according to an embodiment of the present invention, FIG. 3 is a vertical cross-sectional view of the connection structure of the prefabricated column shown in FIG. 1, and FIG. 4 is a diagram showing the state of use of the connection structure of the prefabricated column shown in FIG.

As shown in the figure, the connecting structure 100 of the prefabricated column according to the embodiment of the present invention includes a connecting portion 10 and an assembling post 20.

1 to 3, the connection part 10 is formed on the floor 1 of the building or on the upper part of the slab 2,

The lower iron plate 11 has a flat plate shape and the lower portion includes at least one connecting rod 12 fixed to the lower iron plate 11 and standing upright and exposed upward.

4A and 4D, the lower steel plate 11 is fixed and firmly fixed to the floor 1 or the slab 2, and the upper portion of the connecting rod 12 is exposed to the outside, 10 to be hermetically supported.

4A, when the connecting part 10 is installed on the floor 1 of the building, the lower steel plate 11 and the connecting rod 12 are installed as described above, 4c and 4d, when the slab 2 is installed on the slab 2, the connecting portion 10 is slidably supported on the lower surface of the slab 2, The connection part 10 is connected to the assembly column 20 located at the lower part and the connection part 10 is connected to the other assembly column 20 20 so that the assembly pillars 20 are stably connected to each other. A detailed structural description of the connecting portion 10 for such connection will be described after the structure of the below-described assembly post 20 is described.

As shown in FIGS. 1 to 3, the assembly column 20 is stacked on the upper portion of the connection portion 10 to firmly support the slab 2 positioned on the upper portion,

A body 21 formed of concrete and having a plurality of columnar bars 21a functioning as a skeleton therein and a connecting rod 12 formed at a lower portion of the body 21 and having a connecting rod 12, And an upper plate 23 connected to the lug 23a at an upper portion of the upper plate 23 and coupled to the upper plate 23, And the lower portion is fixed to the body 21 and includes at least one fixed reinforcing bar 24 for firmly fixing the upper steel plate 23 to the body 21. [

A thin corrugated pipe (not shown) is disposed at a lower portion of the body 21 to open the lower part of the body 21 before the body 21 is cured so that the connection groove 22 is formed in the lower part of the assembly column 20, The inside of the corrugated tube formed at the lower portion of the body 21 is used as the connection groove 22 naturally.

That is, as shown in FIG. 4B, the assembly column 20 is vertically erected so that the connection rod 12 of the connection portion 10 is connected to the connection groove 22 of the assembly column 20, So that the pillar 20 can be installed very easily.

1 to 3, the injection hole 30 is formed in the lower side surface of the body 21 so as to communicate with the connection groove 22,

4b, after the assembly column 20 is installed on the upper portion of the connection portion 10, the mortar is injected into the connection groove 22 through the injection hole 30 to cure the connection portion 22, 10 and the assembly column 20 are firmly fixed to each other so as to enhance the structural safety of the building.

Meanwhile, the assembly column 20 has a structure that can be provided to a construction site in a state of being manufactured from the outside. In the construction site, the assembly column 20 can be easily transferred to and assembled with the connection unit 10, It can not only lead to rapid construction of the building but also greatly reduce the processes for building pillars in a complex construction site.

When the connecting portion 10 of the connecting structure 100 of the prefabricated column of the present invention is formed in the slab 2,

1 to 3, an upper portion of the fixed reinforcing bar 24 formed on the upper steel plate 23 of the assembling post 20 is vertically extended vertically and a female thread 41a is formed therein And an upper portion of the male thread 42a is connected to the connecting groove 22 of the assembling post 20. The upper end of the male thread 42a is connected to the female thread 41a of the extended reinforcing bar 41, A connecting steel bar 42 fixed to the upper portion of the extended reinforcing bar 41 so as to be inserted into the reinforcing bar 41 and a lower reinforcing bar 42 connected to the lower reinforcing steel plate 11 located above the upper steel plate 23 of the assembling pillar 20, 42 may be formed so as to penetrate through the at least one through hole 43. [

That is, as shown in FIG. 4C, the female thread 41a of the extended reinforcing bar 41 extended from the fixed reinforcing bar 24 of the assembling post 20 located at the lower portion of the slab 2, And the male screw thread 42a of the connecting rod 42 is fastened to the connecting reinforcing bar 42 to fix the connecting reinforcing bar 42 to the through hole 43 of the lower steel plate 11, The lower steel plate 11 is positioned on the upper part of the assembly column 20 so that the connection reinforcing bars 42 are passed through the upper and lower columns.

4d, when the slab 2 is formed on the upper part of the assembly column 20 in a state in which the connection unit 10 is completed as described above, The connection reinforcing bar 42 connected to the extended reinforcing bar 41 extending from the reinforcing reinforcing bar 24 of the assembling post 20 is exposed to the upper part together with the connecting rod 12 of the reinforcing bar 10, The connecting rod 12 and the connecting reinforcing bar 41 are inserted into the connecting groove 22 formed at the lower part of the other assembling pillar 20 assembled at the upper part of the connecting part 10, To be fixed firmly.

At this time, the assembly column 20 located at the lower portion of the slab 2 and the other assembly columns 20 located at the upper portion of the slab 2 are connected to each other due to the reinforcing bars 42 and the reinforcing bars 41, The plurality of assembling pillars 20 connected to each other through the slab 2 and the beam (not shown) are prevented from colliding with each other, thereby enhancing the structural safety of the building.

1 to 3, a lower portion of the connecting rod 12 formed on the lower steel plate 11 is extended downward so that a lower portion of the connecting rod 12 is connected to the upper steel plate 23, So that the position of the lower steel plate 11 can be stably fixed such that the lower steel plate 11 is separated from the upper portion of the upper steel plate 23.

The connection structure 100 of the prefabricated column of the present invention having the above-described components can be easily stacked and fixed to the upper portion of the connection portion 10 after the assembled post 20 (cured) It is possible to construct a pillar of a building very easily. Thus, it is possible not only to save time for forming a pillar by drastically cutting various processes that have been conventionally required for building a pillar, The demand can be reduced and the construction of the column can be carried out quickly with less manpower.

In addition, it is possible to secure the installation convenience of the column and the structural safety of the building by inducing the installation and rigid fixation of the assembly column 20 through the connecting portion 10.

The connection portion 10 and the assembly column 20 of the connection structure 100 of the assembled column according to the embodiment of the present invention having the above-described configuration are installed as follows.

First, as shown in FIG. 4A, a plurality of reinforcing bars corresponding to a skeleton are disposed in the bottom floor 1 of the building before building, and then the concrete is laid to form the floor 1, The connecting rod 12 of the connecting portion 10 is protruded to the upper portion of the floor 1 where the concrete is cured by placing the connecting portion 10 where the connecting rod 12 is formed, .

4b, the assembly column 20 is moved up and down using a lug 23a formed on the upper part of the assembly column 20, The connecting rod 12 of the connecting portion 10 is connected and assembled so that the connecting rod 12 is inserted into the connecting rod 10 and the assembling post 20 is installed very easily.

At this time, the mortar is injected and cured into the connection groove 22 through the injection hole 30 communicating with the connection groove 22 of the assembly column 20, so that the connection portion 10 and the assembly column 20 are firmly fixed And the installation of the column is completed by coupling and fixing.

When the connecting portion 10 is formed on the slab 2 in the process of forming the building as a high layer, the fixing of the assembling post 20 located at the lower portion of the slab 2, as shown in FIG. 4C, The female thread 41a of the elongated reinforcing bar 41 extending from the reinforcing bar 24 is screwed with the male thread 42a of the connecting reinforcing bar 42 to connect and fix the reinforcing bar 41 and the connecting reinforcing bar 42 The lower steel plate 11 is positioned on the upper part of the assembly column 20 such that the connection reinforcing bar 42 passes through the through hole 43 of the lower steel plate 11 on which the connecting rod 12 is formed The connecting portion 10 is easily disposed.

4d, when the slab 2 is formed on the upper part of the assembly column 20, the connecting rod 12 of the connecting portion 10 is connected to the upper portion of the slab 2, 42 are exposed upward and the connection groove 12 formed in the lower part of the other assembly column 20 is inserted into the connection pole 12 and the connection reinforcing bar 41 exposed to the outside, 20 are firmly assembled and fixed, and the assembly column 20 is assembled and installed continuously.

Mortar is injected and cured into the connection groove 22 through the injection hole 30 communicating with the connection groove 22 of the other assembly column 20 so that the connecting rod 12 of the connection portion 10 The connecting reinforcing bars 42 are firmly fixedly coupled to the assembling pillar 20.

Since the pillars of the building can be assembled and installed very easily, the air and manpower required to complete the building can be greatly reduced, which can lead to the construction of a very efficient building.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limiting the scope of the invention as defined by the appended claims. You will understand the point. It goes without saying that variations can be made by those skilled in the art without departing from the spirit of the present invention. Accordingly, the scope of claim of the present invention is not limited within the scope of the detailed description, but will be defined by the following claims and technical ideas thereof.

1. Bottom 2. Slab
10. Connections 11. Bottom plate
12. Connecting rod 20. Assembly column
21. Body 21a. Pillar reinforcement
22. Connection groove 23. Top plate
23a. Lug 24. Fixed Reinforcement
30. Injection ball 41. Reinforcing bar
41a. Female threads 42. Reinforcing bars
42a. Male thread 43. Through hole
100. Connection structure of prefabricated columns

Claims (6)

A connecting portion 10 having one or more connecting rods 12 protruding vertically on the bottom 1 of the building or on the top of the slab 2; And
A connecting groove 22 into which a connecting rod 12 of the connecting portion 10 is inserted is formed in a lower portion and a plurality of column bars 21a functioning as a skeleton are formed therein And an assembly column (20)
The assembly column 20 is erected upright so that the connecting rod 12 of the connecting portion 10 is easily connected to the connecting groove 22 of the assembling column 20 so that the assembly column 20 is installed ,
The assembly column 20 is made of concrete and includes a body 21 in which a plurality of columnar bars 21a functioning as a skeleton are formed and a body 21 formed at a lower portion of the body 21, The upper plate 23 is connected to the upper portion of the body 21 and the lug 23a is connected to the upper portion of the upper plate 23, And at least one stationary reinforcing bar 24 fixed to the body 21 so that the upper steel plate 23 is firmly fixed to the body 21,
The connecting portion 10 includes a lower steel plate 11 having a flat plate shape and at least one connecting rod 12 fixed to the lower steel plate 11 and erected upright,
When the connecting portion 10 is formed in the slab 2,
An elongated reinforcing bar 41 that vertically extends upward from the upper portion of the fixed reinforcing bar 24 formed on the upper steel plate 23 of the assembling post 20 and forms a female thread 41a therein, The upper portion of the reinforcing bar 41 is formed on the upper portion of the reinforcing bar 41 so as to be inserted into the connecting groove 22 of the assembling post 20, A connecting steel bar 42 which is vertically engaged and fixed and at least one connecting steel bar 42 formed so as to allow the connecting steel bar 42 to pass through the lower steel plate 11 positioned above the upper steel plate 23 of the assembling post 20, And a through hole (43).




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KR1020150141257A 2015-10-08 2015-10-08 Connection structure of prefabricated columns KR101697360B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107083808A (en) * 2017-06-19 2017-08-22 重庆大学 A kind of prefabricated assembled concrete pole steel beam node
CN107366353A (en) * 2017-07-25 2017-11-21 姚伟华 A kind of assembled steel reinforced concrete frame column with variable cross-sections and its construction method
KR20190032824A (en) * 2017-09-20 2019-03-28 서울대학교산학협력단 Joint of PC column using steel block
KR20190136509A (en) * 2018-05-31 2019-12-10 염경수 Connecting structure and connecting method for CFT column

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200320805Y1 (en) * 2003-04-11 2003-07-22 삼성물산 주식회사 Precast concrete member for column being connected in floor space and structure for connecting column by using of it
JP2012143941A (en) * 2011-01-11 2012-08-02 Taisei Corp Precast concrete column member
KR20130059010A (en) * 2011-11-28 2013-06-05 경희대학교 산학협력단 Precast concrete column connecting structure using the low bending moment zone

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200320805Y1 (en) * 2003-04-11 2003-07-22 삼성물산 주식회사 Precast concrete member for column being connected in floor space and structure for connecting column by using of it
JP2012143941A (en) * 2011-01-11 2012-08-02 Taisei Corp Precast concrete column member
KR20130059010A (en) * 2011-11-28 2013-06-05 경희대학교 산학협력단 Precast concrete column connecting structure using the low bending moment zone

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107083808A (en) * 2017-06-19 2017-08-22 重庆大学 A kind of prefabricated assembled concrete pole steel beam node
CN107366353A (en) * 2017-07-25 2017-11-21 姚伟华 A kind of assembled steel reinforced concrete frame column with variable cross-sections and its construction method
KR20190032824A (en) * 2017-09-20 2019-03-28 서울대학교산학협력단 Joint of PC column using steel block
KR101990065B1 (en) * 2017-09-20 2019-06-17 서울대학교산학협력단 Joint of PC column using steel block
KR20190136509A (en) * 2018-05-31 2019-12-10 염경수 Connecting structure and connecting method for CFT column
KR102120298B1 (en) * 2018-05-31 2020-06-09 주식회사 액트파트너 Connecting structure and connecting method for CFT column

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