KR101965791B1 - Steel composite concrete beam-column joint structure - Google Patents

Steel composite concrete beam-column joint structure Download PDF

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Publication number
KR101965791B1
KR101965791B1 KR1020170034389A KR20170034389A KR101965791B1 KR 101965791 B1 KR101965791 B1 KR 101965791B1 KR 1020170034389 A KR1020170034389 A KR 1020170034389A KR 20170034389 A KR20170034389 A KR 20170034389A KR 101965791 B1 KR101965791 B1 KR 101965791B1
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KR
South Korea
Prior art keywords
steel
column
web
steel plate
plate assembly
Prior art date
Application number
KR1020170034389A
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Korean (ko)
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KR20180106292A (en
Inventor
이창남
Original Assignee
(주)센벡스
삼성엔지니어링 주식회사
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Priority to KR1020170034389A priority Critical patent/KR101965791B1/en
Priority to SG11201907181SA priority patent/SG11201907181SA/en
Priority to PCT/KR2017/014216 priority patent/WO2018174375A1/en
Publication of KR20180106292A publication Critical patent/KR20180106292A/en
Application granted granted Critical
Publication of KR101965791B1 publication Critical patent/KR101965791B1/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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
    • 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
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • 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
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • 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
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2418—Details of bolting

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

Abstract

The present invention is economical because it can reduce the end bending moment by connecting the webs of the steel plate assembly beams located on both sides of the column-to-beam connection part to the columns so as to be mutually continuous so that it is easy to install the beam, To-web joint type steel composite concrete column-to-beam joint structure having excellent workability.
In order to form a steel composite concrete column, a web-type steel-composite concrete column-to-beam joint structure is formed by forming a pair of frame members having a plurality of steel members on the outer periphery of the column, The present invention relates to a joining structure of a steel plate assembly beam composed of a web, a lower flange connecting the lower ends of the pair of webs, and an upper flange engaged with an upper end of the web, And the outer side is closely attached to one side of the steel frame member of the column frame member and is coupled with a plurality of bolts.

Description

[0001] The present invention relates to a steel composite concrete beam-column joint structure,

The present invention is economical because it can reduce the end bending moment by connecting the webs of the steel plate assembly beams located at both sides of the column structure to the columns so as to be mutually continuous in the column-to-beam connection, To a web-jointed steel composite concrete column-beam joint structure having excellent workability.

The steel-reinforced concrete structure is useful in terms of cost savings and fire resistance compared to steel structure, because the steel-reinforced concrete structure wraps the column with reinforced concrete in a general steel structure frame.

One of the most important factors in the steel reinforced concrete structure is the joining of columns and beams. In the past, in order to connect the beam to the column, the connecting member is joined to the part where the flange of the beam and the web are joined, The approach was common.

Also, as shown in Fig. 1, an earthquake-proof joining structure for joining a TSC beam to a PSRC column in which a steel beam-like steel material is disposed at the outer periphery of a column and a neighboring steel material is pre- 10-1233693).

In the registration technique, a beam antenna 4 is disposed between adjacent pillars 3 of a column in a panel zone where a beam and a column are joined, and a + -shaped ferrule 2 is placed on the beam antenna 4 do.

However, the above-described technique has a disadvantage in that it is difficult to install the security key 4 and the security key 4 is projected outside the column to secure the coating thickness of the column member.

In addition, it is necessary to reinforce the reinforcing bars penetrating the columns for the joining of the beam ends. It is not only troublesome to install the reinforcing bars but also it is difficult to cast the column concrete due to the reinforcing bars interference.

In order to solve the above problems, the present invention provides a web connection type steel composite concrete column-to-beam connection structure capable of minimizing the connection reinforcement in the column while maintaining continuity between the columns and beams.

The present invention is to provide a web connection type steel composite concrete column-to-beam connection structure in which a beam can be easily installed on a pre-assembly column member in a PSRC structure in which a steel material is disposed on the outside of a column.

The present invention seeks to provide a web-jointed steel composite concrete column-to-beam joint structure that is advantageous in management and coating thickness assurance because there is no member protruding outside the pre-assembly column.

According to a preferred embodiment of the present invention, in order to form a steel composite concrete column, a pair of webs are provided to form a column frame member having a plurality of steel members at the outer periphery of a column and a steel composite concrete beam in which concrete is placed, And the upper flange is coupled to the upper end of the web, the webs of the steel plate assemblies located on both sides of the column framing member are connected to each other, And the outer side is closely attached to one side of the steel frame member of the column frame member and is coupled by a plurality of bolts.

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According to another preferred embodiment of the present invention, the web of the steel plate assembly beam is coupled to the outside of the outermost steel material whose inner side is provided at the edge of the column frame member. Lt; / RTI >

According to another preferred embodiment of the present invention, the web of the steel plate assembly beam is coupled to one side of the inner-side steel material provided between the outermost steel members of the column frame member. Structure.

According to another preferred embodiment of the present invention, there is provided a web-jointed steel composite concrete column-to-beam connection structure characterized in that the web is connected to one side leg of a steel section by the web of the steel plate assembly beam.

According to the present invention, by joining the webs of the steel plate assembly beams located on both sides of the column frame member at the column-to-beam joint to the columns so as to be mutually continuous, the end bending moment can be reduced by the semi-rigid connection of the column-beam. Accordingly, it is economical to design a structure having sufficient strength against the bending moment while keeping the sectional size constant throughout the beam length.

According to the present invention, it is possible to maintain the continuity of beam joining at the column-to-beam joint, to easily install and manage the beam in the panel zone, and to minimize the installation of the reinforcing bars in the column, thereby securing excellent workability.

According to the present invention, there is no member protruding outside the column, which is advantageous in securing the covering thickness of the column member.

1 is a perspective view of a column-to-beam connection with a conventional security foot;
Figure 2 is a perspective view of a web-jointed composite concrete column-to-beam connection structure of the present invention.
Figure 3 is a plan view of Figure 2;
FIG. 4 is a perspective view of a web-jointed steel composite concrete column-to-beam joint structure of the present invention having steel plate assembly beams coupled in two directions. FIG.
5 is a perspective view showing a coupling relation between a web of the steel plate assembly beam and a steel frame member of a column frame member.
6 is a plan view showing a web of a steel plate assembly beam coupled to the outside of the inner side steel material;
7 is a plan view showing a web of a steel plate assembly beam coupled to the inside of the inner side steel material.
8 is a plan view showing a coupling relationship between the steel plate assembly beams and the steel members of the column frame members.

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

FIG. 2 is a perspective view of a web-jointed composite concrete column-to-beam connection structure of the present invention, and FIG. 3 is a plan view of FIG. And FIG. 4 is a perspective view of a web-jointed steel composite concrete column-to-beam connection structure according to the present invention in which steel plate assembly beams are coupled in two directions.

As shown in FIGS. 2 to 4, the web-jointed steel composite concrete column-to-beam connection structure of the present invention comprises a column frame member 20 having a plurality of shaped steel members 11 and 12 at the periphery of a column to form a steel composite concrete column, A pair of webs 21, a lower flange 22 connecting the lower ends of the pair of webs 21, and a lower flange 22 connecting the lower ends of the webs 21 to form a composite synthetic concrete beam, The steel plate assembly beam 2 located on both sides of the column frame member 1 has a structure in which the webs 21 are connected to each other And the web 21 is closely attached to one side of the shaped steel members 11 and 12 of the column frame member 1 and is coupled with a plurality of bolts 3. [

The column framing member 1 is for forming a steel composite concrete column together with concrete placed on the inside and outside, and comprises a plurality of shaped steel materials 11 and 12 arranged on the outside of the column.

The column framing member 1 is made of a PSRC which transports and constructs in situ a pre-assembled steel plate 13 for connecting a plurality of shaped steels 11 and 12 and neighboring steel plates 11 and 12 to each other, (Prefabricated Steel Reinforced Concrete Column) (Patent No. 10-1050956).

The shaped steel plates 11 and 12 may be formed of a steel plate, and a T-shaped steel plate, a C-shaped steel plate, an H-shaped steel plate, or the like may be used.

The steel plate assembly beam 2 is for forming a steel composite concrete beam together with concrete laid in the steel plate. The steel plate assembly beam 2 includes a pair of webs 21, a lower flange 22 connecting the lower ends of the pair of webs 21, And an upper flange 23 coupled to the upper end of the web 21, respectively.

At this time, the webs 21 are connected to each other in the steel plate assembly beam 2 located on both sides of the column frame member 1 and the webs 21 are connected to the shaped steel members 11 and 12 of the column frame member 1, .

The steel plate assembly beam 2 positioned on both sides of the column frame member 1 is manufactured so that the web 21 is connected and the upper and lower flanges 22, And cut at the frame member 1.

The steel plate assembly beam 2 can be pre-assembled by joining a predetermined length of the end portion in the form of a bracket to the shaped steel members 11 and 12 of the column frame member 1 in advance in the factory as shown in FIG. 2 or FIG. And the intermediate view between the neighboring column frame members 1 can be fabricated in the order of assembling in the field.

When the webs 21 of the steel plate assembly beam 2 located on both sides of the column are directly coupled to the inside or outside of the steel members 11 and 12 of the column frame member 1 so as to be mutually continuous, It is possible to easily connect the beam to the column frame member 1. In addition, since the beam webs 21 on both sides of the column are continuous, the placement of the reinforcing bars in the column can be minimized.

In addition, since there is no steel object protruding outside the column frame member 1 for beam connection, it is easy to manage and there is no difficulty in securing the coating thickness of the column frame member 1. [

In addition, since only the web 21 for viewing the steel composite concrete passes through the column, and the upper and lower flanges 22 and 23 are cut at the column portion, In the case of the tie, the end moments of the beam can be reduced by the end semi-tie in contrast to the fact that the end moments of the beam are double the center moments and the sectional efficiency is lowered. Therefore, it is possible to provide a sufficient strength to the bending moment caused in each part of the beam while maintaining the sectional size of the beam constant, thus making it possible to design economically and rationally.

2 to 3, the web 21 of the steel plate assembly beam 2 is formed on the outer side of one side leg of the shaped steel member 11, Combined.

As shown in FIG. 4, when the steel plate assembly beams 2 and 2 'are arranged in two directions, that is, when the beams are coupled to four surfaces of the column, the webs 21 and 21' Is joined to the shaped steel 11 so as to have a substantially flattened shape.

At this time, the web 21 of the beam arranged in one direction is configured so that the both side webs 21 of the column frame member 1 are connected to each other, and the viewing web 21 'arranged in the vertical direction is cut and arranged in one direction And can be coupled to the inside and outside of the web 21 of the beam by welding or the like.

The web 21 of the steel plate assembly beam 2 can be configured such that its inner side is coupled to the outer side of the outermost steel member 11 provided at the corner of the column frame member 1. [

The width of the steel plate assembly beam 2 is equal to the interval between the outermost steel members 11 of the column frame member 1 and so on, 21) can be directly coupled.

Fig. 5 is a perspective view showing a coupling relationship between the web of the steel plate assembly beam and the steel members of the column framing members. Fig.

The web 21 of the steel plate assembly beam 2 is brought into close contact with one side of the shaped steel plates 11 and 12 to be engaged with the steel plates 11 and 12 with a plurality of bolts 3 .

In the case where the web 21 of the steel plate assembly beam 2 is joined to the bolts 3 on the shaped steel members 11 and 12 of the column frame member 1, it is possible to omit the field welding process, .

The steel plate assembly beam 2 is supported on the column frame member 1 by the front end of the bolt 3 at the joint portion.

The bolts 3 can be fastened in a plurality of rows in accordance with the magnitude of the transmitted stress.

Fig. 6 is a plan view showing a web of a steel plate assembly beam coupled to the outside of the inside-type steel material, and Fig. 7 is a plan view showing a web of the steel plate assembly beam coupled to the inside of the inside-type steel material.

6 and 7, the web 21 of the steel plate assembling beam 2 is formed in the shape of the inner steel member 12 provided between the outermost steel members 11 of the column frame member 1 It can be coupled to one side.

That is, the webs 21 and 21 'of the steel plate assembling beams 2 and 2' may be coupled to the outside of the inner steel member 12 as shown in FIG. 6 or may be coupled to the inside of the inner steel member 12 as shown in FIG. can do.

If the width of the steel plate assembling beam 2 is smaller than the width of the column frame member 1, that is, the width between the outermost steel plates 11, the webs of the steel plate assembling beams 2, 2 ' 21, 21 'can be coupled to the inner-side steel material 12 of the column frame member 1.

The position of the inner steel member 12 is adjustable according to the width of the steel plate assembly beams 2, 2 '.

Depending on the width of the inner steel member 12 or the width of the steel plate assembly beams 2 and 2 ', the outer side or the inner side of the webs 21 and 21' can be tightly coupled to the inner steel member 12.

In the case of the embodiment shown in FIG. 6, the width of the steel plate assembling beams 2 and 2 'can be made wider. In the embodiment shown in FIG. 7, The beams (2, 2 ') can be inserted, making it easy to manufacture.

8 is a plan view showing the coupling relationship between the steel plate assembly beams and the steel members of the column frame members.

As shown in FIG. 8 (b), the shaped steel members 11 and 12 can be configured to be connected to the one-side legs of the a-shaped steel with the web 21 of the steel plate assembling beam 2 as the a-shaped steel.

8 (a), when the flange of the steel plate assembling beam 2 is directly fixed to the steel pipes 11 and 12, the moment of the steel composite concrete beam causes the legs of the steel pipe There is a buckling concern due to an out-of-plane force.

Therefore, in the present invention, the web 21 of the steel plate assembly beam 2 is fixed to one side leg side surface of the a-shaped steel members 11 and 12 so that a force acts in the in-plane direction of one leg of the steel members 11 and 12 Respectively. Therefore, the buckling risk of the moment-generating type steel material 11, 12 can be greatly reduced in the steel composite concrete beam.

1: column member
11: outermost steel material
12: Inside steel
13: Transverse steel
2: steel plate assembly beam
21: web
22: Lower flange
23: Upper flange
3: Bolt
4:

Claims (5)

In order to form a steel composite concrete column, a column frame member 1 provided with a plurality of shaped steel materials 11 and 12 on the outside of a column and a pair of webs 21 for forming a steel composite concrete beam, A lower flange 22 connecting the lower ends of the pair of webs 21 and an upper flange 23 coupled to the upper ends of the webs 21, ,
The webs 21 are connected to one another on the side of the steel members 11 and 12 of the column frame member 1, And a plurality of bolts (3) are joined to each other to form a plurality of bolts (3).
The method of claim 1,
Wherein the web (21) of the steel plate assembly beam (2) is coupled to the outer side of the outermost steel material (11) provided on the edge of the column frame member (1) Beam connection structure.
The method of claim 1,
And the web 21 of the steel plate assembly beam 2 is coupled to one side of the inner steel member 12 provided between the outermost steel members 11 of the column frame member 1. [ Composite concrete column - beam connection structure.
4. The method according to any one of claims 1 to 3,
And the webs (21) of the steel plate assembly beam (2) are joined to one side legs of the a-shaped steel by means of the a-shaped steel bars (11, 12). delete
KR1020170034389A 2017-03-20 2017-03-20 Steel composite concrete beam-column joint structure KR101965791B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020170034389A KR101965791B1 (en) 2017-03-20 2017-03-20 Steel composite concrete beam-column joint structure
SG11201907181SA SG11201907181SA (en) 2017-03-20 2017-12-06 Web connected type steel composite concrete column-beam joint structure
PCT/KR2017/014216 WO2018174375A1 (en) 2017-03-20 2017-12-06 Web connected type steel composite concrete column-beam joint structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020170034389A KR101965791B1 (en) 2017-03-20 2017-03-20 Steel composite concrete beam-column joint structure

Publications (2)

Publication Number Publication Date
KR20180106292A KR20180106292A (en) 2018-10-01
KR101965791B1 true KR101965791B1 (en) 2019-04-04

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SG (1) SG11201907181SA (en)
WO (1) WO2018174375A1 (en)

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CN109667343B (en) * 2018-12-22 2021-11-19 广州市天作建筑规划设计有限公司 Concrete beam and section steel concrete column anchoring structure and construction method
CN110685404A (en) * 2019-09-16 2020-01-14 浙江绿筑集成科技有限公司 Construction method of prefabricated combined structure constructional column
CN112267571B (en) * 2020-11-11 2022-02-01 吉林建筑科技学院 Prefabricated section steel concrete column and profiled steel sheet composite board connecting joint and construction method
CN113148866A (en) * 2021-04-12 2021-07-23 中国十七冶集团有限公司 Wall-attached hoop structure of tower crane with adjustable cross section and construction method of wall-attached hoop structure
CN115748958A (en) * 2022-08-01 2023-03-07 中南大学 Assembly type frame structure with local shear wall anti-side component
CN115217121B (en) * 2022-08-24 2024-05-28 广东省建筑设计研究院有限公司 Cooperative stress system and method for assembled steel-concrete enclosure support and main body structure
CN115889937B (en) * 2023-03-09 2023-05-02 云南建投钢结构股份有限公司 Welding construction method for steel structure beam, column and wall encircling combined node member

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KR100648376B1 (en) 2005-12-12 2006-11-24 대한주택공사 Joint of steel concrete column and horizontal member, construction method thereof
KR101658648B1 (en) * 2015-04-21 2016-09-22 (주)센벡스 Beam-column joint and simultaneous construction method of upper and lower part of building using thereof

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JPH0649895A (en) * 1992-07-31 1994-02-22 Kawasaki Steel Corp Joint structure between reinforced concrete pillar and steel frame beam
US6427393B1 (en) * 2001-01-26 2002-08-06 Sinotech Engineering Consultants, Inc. Seismic-resistant beam-to-column moment connection
KR100977275B1 (en) * 2008-02-29 2010-08-23 에스에이치공사 Connecting structure for form-less column and deck beams, and constructing method thereof
KR101560908B1 (en) * 2013-12-12 2015-10-16 주식회사 포스코 Connecting sturcture of open type steel sturcture

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Publication number Priority date Publication date Assignee Title
KR100648376B1 (en) 2005-12-12 2006-11-24 대한주택공사 Joint of steel concrete column and horizontal member, construction method thereof
KR101658648B1 (en) * 2015-04-21 2016-09-22 (주)센벡스 Beam-column joint and simultaneous construction method of upper and lower part of building using thereof

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Publication number Publication date
SG11201907181SA (en) 2019-09-27
WO2018174375A1 (en) 2018-09-27
KR20180106292A (en) 2018-10-01

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