KR101621972B1 - A system H-beem for structural steel - Google Patents

A system H-beem for structural steel Download PDF

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Publication number
KR101621972B1
KR101621972B1 KR1020150177557A KR20150177557A KR101621972B1 KR 101621972 B1 KR101621972 B1 KR 101621972B1 KR 1020150177557 A KR1020150177557 A KR 1020150177557A KR 20150177557 A KR20150177557 A KR 20150177557A KR 101621972 B1 KR101621972 B1 KR 101621972B1
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KR
South Korea
Prior art keywords
connection frame
frame
steel
upper connection
lower connection
Prior art date
Application number
KR1020150177557A
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Korean (ko)
Inventor
김수진
문영민
Original Assignee
경서중공업(주)
문영민
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Priority to KR1020150177557A priority Critical patent/KR101621972B1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • 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
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/30—Columns; Pillars; Struts
    • E04C3/32—Columns; Pillars; Struts of metal

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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 provides a system H-beam for a steel frame structure capable of maximizing an internal force with respect to a consumed amount of a steel material, obtaining economic efficiency, comprising: finishing beam members formed of H beams in which webs having a space therebetween and vertically erected at a center and a flange provided to be perpendicular to the web in both side directions centered on upper and lower ends of the web are integrated; and a connection beam member connecting the finishing beam members. The connection beam member includes: an upper connection frame and a lower connection frame having a cross-section having a length in a shape tightly attached to a web surface of the finishing beam members and surfaces of the flanges; a plurality of vertical support frames disposed to be spaced apart from each other in a length direction between the upper connection frame and the lower connection frame and vertically connecting and supporting the upper connection frame and the lower connection frame; and a diagonal support frame diagonally connecting the upper connection frame and the lower connection frame in a space between the vertical support frames disposed between the upper connection frame and the lower connection frame.

Description

A system H-beem for structural steel

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an H-shaped steel system for forming a steel structure of a building such as a frame of a building roof, a girder, and the like, and more particularly, The present invention relates to a system H-shaped steel.

In recent years, steel structure has been constructed in such a manner that the distance between the columns and columns of the steel structure is set to be spaced apart from each other according to the tendency of the building to become larger.

This steel structure is mainly composed of a steel material, H-beem having an "H" -shaped cross-section structure, and particularly, a rolled H-beem dl mainly formed by a roll .

The H-shaped steel is composed of a web vertically upright at the center and a flange provided at right angles to the web in both lateral directions around the upper and lower ends of the web.

On the other hand, in Korean Patent Registration No. 10-1165442 (name: steel roof system having a tension device), as known in the art, one end is joined to a column and the other ends are connected to each other to form a frame A pair of frame members; A joining member whose both sides are joined to the other ends of the respective frame members for joining of the pair of the frame members, and which are disposed at apexes of the roof; A tensioning device that attenuates a vertical load applied to the other end of the frame member through a compression force of a tension member passing through the joint member and mounted on each of the frame members; And a tension member provided on both sides of the joining member such that the tension member independently exerts a compressive force between one side of the joining member and the other side frame member and between the other side of the joining member and one side frame member, And a fixing unit for fixing the steel sheet to the steel sheet.

Korean Patent Laid-Open Publication No. 10-2013-0068176 entitled " Method of constructing a precast panel for a poultry house housing and its panel structure ", as disclosed in the publication, A step of installing a mold frame of an outer wall PC panel and an inner wall designed after the concrete floor is installed on the floor, installing a heat insulating member of a foam or urethane on the floor of the mold frame installed on the floor, Installing a PC panel reinforcing bar on the upper surface of the heat insulating member, installing a plurality of rings, a beam connecting member, and a side connecting member component therebetween, installing the component member on the upper side of the heat insulating member Forming a PC panel by pouring concrete into the PC panel, placing the molded PC panel on a crane at a mounting position, To a method of welding a steel panel beam to a side of a PC panel and a side panel of a PC panel by welding another PC panel to one side of the installed PC panel , And the general structure of the RH steel is described.

1, Korean Patent Registration No. 10-1165442 2, Korean Patent Publication No. 10-2013-0068176

However, there is a problem in that the RH steel to be applied to the conventional steel structure has the advantage of mass production according to the standardization of each standard, but the strength is weaker than the consumed steel amount.

Accordingly, when a steel material having an appropriate strength is applied to a steel structure, there is a problem in that it is not economical.

SUMMARY OF THE INVENTION The present invention has been proposed in order to solve the above-mentioned conventional problems, and it is an object of the present invention to provide a system steel profile steel structure system for maximizing internal resistance and economically providing a steel structure have.

In order to accomplish the above object, the present invention provides a steel tube for steel structure, comprising: a web which is disposed at an interval therebetween and is vertically upright at a center; And a flange provided at a right angle to the web in both lateral directions; And a connected steel member connecting the finishing steel members to each other; Wherein the connecting steel member has an upper connecting frame and a lower connecting frame each having a length in a shape in which a cross section thereof is in close contact with the surfaces of the flange and the web face of the finished steel member and between the upper connecting frame and the lower connecting frame A vertical support frame vertically connecting the upper connection frame and the lower connection frame to support the upper connection frame and the lower connection frame, and a vertical support frame disposed between the upper connection frame and the lower connection frame, And a diagonal support frame for supporting the upper connection frame and the lower connection frame in a diagonal manner and supporting the upper connection frame and the lower connection frame in a space between the upper connection frame and the lower connection frame.

The vertical support frame and the diagonal support frame are fixed to both ends of a connection piece fixed to protrude in a direction facing each other in the upper connection frame and the lower connection frame.

The vertical supporting frame and the diagonal supporting frame are formed such that the plate has a length in the shape of an 'a'.

Since the H-shape steel according to the present invention is produced with maximizing the strength compared to the amount of steel consumed for the entire length, it can be economically provided when constructing the steel structure, And is easy to carry and work because it is light in weight and has a high workability.

Particularly, since tensile force and compressive force are applied in the lateral direction, it is possible to exert a higher strength against the amount of the consumed steel material, and the present invention is suitably applied to a heavy-duty spindle and a girder.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic perspective view showing a system H-shaped steel for a steel structure according to an embodiment of the present invention; FIG.
Fig. 2 is a schematic frontal view showing a system H-shaped steel for a steel structure according to this embodiment. Fig.
Fig. 3 is a partially schematic front view showing a jointed steel member to be applied to a system H-beam for a steel structure according to the present embodiment. Fig.
Fig. 4 is a partial schematic cross-sectional exemplary view showing a connecting steel member to be applied to a system H-shaped steel for a steel structure according to this embodiment; Fig.
Fig. 5 and Fig. 6 are schematic views showing the constitutional relationship of a jointed steel member applied to a system H-shaped steel for a steel structure according to the present embodiment. Fig.
Fig. 7 is a schematic illustration showing the use state of a system H-beam for a steel structure according to this embodiment. Fig.
Fig. 8 is a schematic view showing another example of a jointed steel member applied to a system H-shaped steel for a steel structure according to the present embodiment. Fig.
9 is a schematic perspective view showing a system H-shaped steel for a steel structure according to another embodiment of the present invention.
Fig. 2 is a schematic cross-sectional exemplary view showing a system H-shaped steel for a steel structure according to this embodiment. Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the accompanying drawings.

The embodiments of the present invention can be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This embodiment is provided to more fully describe the present invention to those skilled in the art. Therefore, the shapes and the like of the elements in the drawings can be exaggeratedly expressed to emphasize a clearer description. It should be noted that in the drawings, the same members are denoted by the same reference numerals. Detailed descriptions of well-known functions and constructions which may be unnecessarily obscured by the gist of the present invention are omitted.

1 to 7 are diagrams showing a system H-shaped steel for a steel structure according to an embodiment of the present invention. A system H-beem 1 according to the present embodiment has a gap And a flange 22 provided at a right angle to the web 21 in both lateral directions around the upper and lower ends of the web 21, And a connected steel member 3 connecting between the finished steel members 2 and the finished steel members 2.

That is, the connected steel member 3 is connected between the finishing steel members 2 having a known structure having an H-shaped cross-sectional structure to constitute a single system H-shaped steel 1.

Such a system H-shaped steel 1 according to the present embodiment is particularly adapted and applied to a steel structure constituting a roof frame and a girder mainly composed of long spans, as shown in Fig.

In the system HG steel 1 according to the present embodiment thus configured, the connected steel member 3 has a cross-section in cross section, which is formed by the surfaces of the web 21 of the finishing steel member 2 and the flanges 22, And has an upper connection frame 31 and a lower connection frame 32 each having a length in a shape in which they are in close contact with each other.

That is, the pair of finishing steel members 2 are connected through the upper connection frame 31 and the lower connection frame 32.

The end portions of the upper connection frame 31 and the lower connection frame 32 preferably have a size that coincides with the end of the flange 22 of the finished steel member 2.

As shown in FIG. 4, the upper connection frame 31 and the lower connection frame 32 are bent in a "B" -shaped shape, (21) of the flange (2) and the surfaces of the flanges (22) are in close contact with each other.
In addition, as shown in FIGS. 9 and 10, the cross-sectional shape thereof may be formed as a '''shape, and the upper and lower portions may be continuously connected in the longitudinal direction between the finished steel members 2 It is most preferable to apply it according to the user's selection.

The upper end of the upper connecting frame 31 and the lower connecting frame 32 are spaced apart from each other in the longitudinal direction by a predetermined distance and fixed to the upper connecting frame 31 and the lower connecting frame 32, And vertical support frames 33 vertically connecting and supporting the connection frame 32. [

That is, the upper connection frame 31 and the lower connection frame 32 are connected and supported by the vertical support frames 33 with a vertical supporting force so that the upper connection frame 31 and the lower connection frame 32 So that it is prevented from being deformed into a curved shape.

The upper end of the upper connection frame 31 and the lower connection frame 32 are connected to each other so that the upper end of the upper connection frame 31 and the lower connection frame 32 are connected to each other, And a diagonal support frame (34) for connecting and supporting diagonally between the connection frames (32).

That is, the upper connection frame 31 and the lower connection frame 32 are connected and supported by the diagonal support frame 34 with a supporting force against the load applied in the longitudinal direction, The lower connection frame 32 is prevented from being deformed, such as twisting.

It is preferable that the vertical support frame 33 and the diagonal support frame 34 are formed such that a plate-like cold body has a length of 'B' shape in cross section.

The upper and lower connecting frames 31 and 32 and the vertical supporting frame 33 and the diagonal supporting frames 34 are welded to each other at the portions where the finishing steel members 2 are connected to the upper connecting frame 31 and the lower connecting frame 32, And may be coupled through a separate fastening element such as a bolt or the like, and it is most preferable to apply it according to the user's selection.

The vertical support frames 33 and the diagonal support frames 34 in the system H-shaped steel 1 according to the present embodiment are connected to each other in the upper connection frame 31 and the lower connection frame 32, It is preferable that both ends are fixedly disposed on the connecting piece 35 fixed to protrude in the facing direction.

That is, the vertical support frame 33 and the diagonal support frames 34 are connected to the upper connection frame 31 and the lower connection frame 32 through the connection piece 35 without being directly fixed thereto.
As shown in FIG. 4, the connecting piece 35 is formed in the upper connecting frame 31 and the lower connecting frame 32, which are bent in an ' And both side surfaces are in tight contact with each other.

As a result, an excessive connection portion is not generated in the upper connection frame 31 and the lower connection frame 32, so that the stress applied through the work such as welding is significantly reduced and the reduction of the strength is lowered.

Therefore, the structural strength can be maximized.

5 and 6, the interval between the vertical support frames 33 is set to be shorter than the interval between the upper connection frame 31 and the lower connection frame 33. In this case, The diagonal range A in which the vertical support frames 33 arranged in the frame 32 are vertically connected to the upper connection frame 31 and the lower connection frame 32 is 30 to 60 And is most preferably formed in the range of 40 to 50 degrees.

It is most preferable that the diagonal support frame 34 is arranged with a diagonal range of 40 to 50 degrees with respect to the longitudinal direction of the upper connection frame 31 and the lower connection frame 32.

Hereinafter, the function and effect of the H-shaped steel for a steel structure according to the present embodiment will be described in detail.

Fig. 7 is a view showing the state of use of a system H-shaped steel for a steel structure according to the present embodiment. The system H-shaped steel 1 according to the present embodiment is a steel structure having a steel structure such as a roof, Particularly suitable for use.

That is, as shown in Fig. 7, when applied to constructing a roof frame, the resisting force is maximized compared to the amount of steel consumed for the entire length, and thus it can be economically provided. Particularly, So that workability is improved.

In addition, since tensile force and compressive force are applied in the lateral direction, a higher strength is exerted as compared with the amount of the consumed steel.

8, both ends of the upper connection frame 31 and the lower connection frame 32 are formed on the outer surface so as to coincide with the outer surface of the flange 22 of the finished steel member 2 The bending recessed portion 36 may be formed so as to be fixed, and it is most preferable to apply it according to the user's selection.

The upper end of the upper connecting frame 31 and the lower connecting frame 32 are bent in a 'B' shape as shown in FIG. 4 It is preferable that they are disposed and fixed so as to be symmetrical with respect to each other about the web 21 in the finishing steel member 2. In this case, It is most preferable that the single connecting piece 35 is fixed in a state of being accommodated.

Most preferably, the connecting piece 35 is equal to the thickness of the web 21 constituting the finished steel member 2.

It will be apparent to those skilled in the art that various modifications and equivalent arrangements may be made therein without departing from the scope of the present invention as defined by the appended claims and their equivalents. . Therefore, it is to be understood that the present invention is not limited to the above-described embodiments. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims. It is also to be understood that the invention includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

1: System H-shaped steel 2: Finished steel member
21: web 22: flange
3: connecting steel member 31: upper connecting frame
32: lower connection frame 33: vertical support frame
34: diagonal support frame 35: connecting piece
36: Bending stress

Claims (3)

And a flange 22 provided at right angles to the web 21 in both lateral directions around the upper and lower ends of the web 21 are integrally formed with each other (2) made of H-shape steel formed of a plurality of H-shaped steel members; And an upper connection frame 31 having a length in a shape in which the end surfaces of the flange 22 are in close contact with the surfaces of the web 21 of the finishing steel member 2 and the surfaces of the flange 22, And an upper connecting frame 31 and a lower connecting frame 32. The upper connecting frame 31 and the lower connecting frame 32 are spaced apart from each other in the longitudinal direction, A vertical support frame 33 vertically connecting and supporting the frame 32 and a vertical support frame 33 disposed between the upper connection frame 31 and the lower connection frame 32. [ And a diagonal support frame (34) which supports the upper connection frame (31) and the lower connection frame (32) in a diagonal manner and supports the diagonal support frame (34). ;
The upper connection frame 31 and the lower connection frame 32,
And the bent surface is fixed so as to protrude in the direction in which the surfaces of the web 21 of the finishing steel member 2 and the surfaces of the flanges 22 face each other, (35) are in close contact with each other;
The vertical support frame (33) and the diagonal support frame (34)
The plate-shaped plate is formed by bending a section having a length of 'b' shape, and is fixed to the upper connection frame 31 and the lower connection frame 32 so as to protrude in a direction facing each other. 35 are fixed and disposed so as to be fixed to each other in such a state that the connecting pieces 35 are accommodated between the folded surfaces;
Both ends of the upper connection frame 31 and the lower connection frame 32 are connected to each other,
A bent concave portion 36 is formed on the outer surface so as to be coincident with the outer surface of the flange 22 of the finishing steel member 2;
The spacing between the vertical support frames (33)
Each of the vertical support frames 33 disposed adjacent to each other in the upper connection frame 31 and the lower connection frame 32 has a vertex contact with the upper connection frame 31 and the lower connection frame 32, A diagonal range (A) connecting diagonally is formed in a range between 30 and 60 degrees;
The diagonal support frame (34)
And a diagonal angle of 40 to 50 degrees with respect to a longitudinal direction of the upper connection frame (31) and the lower connection frame (32). delete delete
KR1020150177557A 2015-12-12 2015-12-12 A system H-beem for structural steel KR101621972B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101858817B1 (en) * 2016-08-05 2018-05-18 주식회사 포스코 Installation system and construction method of connecting beam unit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200332994Y1 (en) * 2003-08-09 2003-11-12 박종근 Roof truss for still structure
KR200414712Y1 (en) * 2006-01-19 2006-04-24 아이케이스틸 주식회사 Joint fittings for roof truss of apartment building
KR101465013B1 (en) * 2014-09-01 2014-11-25 주식회사 일강케이스판 Truss type roof structure and installation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200332994Y1 (en) * 2003-08-09 2003-11-12 박종근 Roof truss for still structure
KR200414712Y1 (en) * 2006-01-19 2006-04-24 아이케이스틸 주식회사 Joint fittings for roof truss of apartment building
KR101465013B1 (en) * 2014-09-01 2014-11-25 주식회사 일강케이스판 Truss type roof structure and installation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101858817B1 (en) * 2016-08-05 2018-05-18 주식회사 포스코 Installation system and construction method of connecting beam unit

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