KR101513055B1 - Prefabricated steel frame for composite member of steel and concrete - Google Patents
Prefabricated steel frame for composite member of steel and concrete Download PDFInfo
- Publication number
- KR101513055B1 KR101513055B1 KR1020140036510A KR20140036510A KR101513055B1 KR 101513055 B1 KR101513055 B1 KR 101513055B1 KR 1020140036510 A KR1020140036510 A KR 1020140036510A KR 20140036510 A KR20140036510 A KR 20140036510A KR 101513055 B1 KR101513055 B1 KR 101513055B1
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- Prior art keywords
- lattice material
- steel
- outer flange
- prefabricated
- lattice
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
-
- 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
- E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
- E04C3/293—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being steel and concrete
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The present invention relates to a prefabricated steel frame for a steel-concrete composite member for connecting adjoining sections of steel to a lattice material and joining the formwork to the outside to form a prefabricated single member.
A prefabricated steel frame for a steel-concrete composite member according to the present invention is installed in a steel-concrete composite member used as a column or a beam having a polygonal cross-sectional shape, and includes a plurality of steel bars spaced apart from a member surface of the member by a predetermined distance; A lattice material joined to the outside of the a-shaped steel adjacent to both ends so as to interconnect the adjacent a-shaped steel; And a die coupled to the outside of the lattice material; Wherein the lattice material comprises an inner flange coupled to an outer surface of the a-shaped steel, a web that is vertically bent outward at one end of the inner flange, and an outer flange that is vertically bent upwardly or downwardly from the other end of the web, And a reinforcing portion for suppressing warpage of the outer flange is further provided on one side of the outer flange.
Description
The present invention relates to a prefabricated steel frame for a steel-concrete composite member for connecting adjoining sections of steel to a lattice material and joining the formwork to the outside to form a prefabricated single member.
Steel-concrete composite members are made of steel and concrete so that strength of steel and concrete can be expressed in structural members such as columns or beams.
For example, a pre-assembled composite member is used, which is made by joining a reinforcing bar or a lattice frame to the surface of a section steel and then pouring concrete on the site. A permanent mold for a pre-assembled column integrally joining the pre- (Patent No. 127449) have been disclosed.
Further, as shown in FIG. 1, by complementing the registered patent and combining the deck deck formwork with the pre-assembled frame by mechanical coupling only without the welding process, workability and stability can be improved and the concrete side pressure can be effectively supported A technique for a monolithic pre-assembled column of a golf deck form was filed (Patent Application No. 10-2013-122455).
In this application technique, the
1, the technique of the present application is such that the one-
In order to solve the above problems, the present invention provides a prefabricated steel-concrete composite member capable of suppressing flexural deformation of an outer flange of a lattice material due to an external force.
The present invention simplifies the details of joints between adjacent lattice materials and minimizes the portion of the lattice material protruding outwardly of the a-shaped steel, thereby reducing the risk of deformation due to die load, To provide a prefabricated frame for composite members.
According to an aspect of the present invention, there is provided a steel-concrete composite member for use in a column or a beam having a polygonal cross-sectional shape and having a plurality of A section steel; A lattice material joined to the outside of the a-shaped steel adjacent to both ends so as to interconnect the adjacent a-shaped steel; And a die coupled to the outside of the lattice material; Wherein the lattice material comprises an inner flange coupled to an outer surface of the a-shaped steel, a web that is vertically bent outward at one end of the inner flange, and an outer flange that is vertically bent upwardly or downwardly from the other end of the web, And a reinforcement for restraining a flexural deformation of the outer flange is further provided on one side of the outer flange.
According to another preferred embodiment of the present invention, the reinforcing portion is formed to extend vertically inwardly from the other end of the outer flange, thereby forming a prefabricated steel frame for a steel-concrete composite member.
According to another preferred embodiment of the present invention, the reinforcing portion is a reinforcing rib provided between the joint portion of the outer flange and the web.
According to another preferred embodiment of the present invention, the die is joined to the lattice material by a nail, and the outer peripheral surface of the nail is subjected to a knurling treatment.
According to another preferred embodiment of the present invention, both end portions of the lattice material are cut at 45 degrees and are mated with adjacent lattice materials.
According to another preferred embodiment of the present invention, at one end of the lattice material, a first protrusion is formed in the upper portion of the outer flange and a first protrusion is formed in the longitudinal direction of the lattice material, Wherein the first projecting portion and the second projecting portion are each supported by an outer flange end of the adjacent lattice material.
According to another preferred embodiment of the present invention, there is provided a prefabricated steel frame for a steel-concrete composite member, characterized in that a concrete flow hole is formed at a site where the web of the lattice material is cut at 45 degrees.
According to another preferred embodiment of the present invention, the mold is a deck plate formed by folding a metal plate so as to alternately form a floor and a valley, and the deck plate is coupled such that the direction of the valley is parallel to the longitudinal direction of the member, And a floor portion of the deck plate is vertically bent and coupled.
According to another preferred embodiment of the present invention, a flat plate is coupled to an inner surface of a deck plate formed by folding a metal plate so as to form alternating ridges and valleys, wherein the steel plate- to provide.
According to another preferred embodiment of the present invention, there is provided a steel-concrete composite member according to another aspect of the present invention, wherein one end is connected between the a-shaped steel and the lattice material, and the other end is further comprised of a sloped material, Provide an assembly frame.
According to another preferred embodiment of the present invention, the pre-assembled frame is constructed by connecting a plurality of pre-assembled frames in the longitudinal direction, wherein the a-shaped beams of the one-side pre-assembled frame and the other- And the lattice material is joined to the a-shaped steel at the outer surface of the connecting plate. The present invention also provides a prefabricated steel frame for a steel-concrete composite member.
The effects of the present invention are as follows.
First, the reinforcing portion is provided on one side of the outer flange of the lattice material, so that the flexure deformation of the outer flange can be suppressed.
Second, both ends of the lattice material are cut at 45 degrees so that the adjacent lattice materials are easily joined together, so that deformation due to the lattice material portion protruding outside the a-shaped steel can be prevented, and the concrete can be expected to be laid tight at the joining portion of the adjacent lattice materials .
Third, the outer flange of the lattice member may have a first protrusion and a second protrusion formed at one end and the other end, respectively, so that the first and second protrusions of the adjacent lattice material are mutually engaged to prevent deformation of the outer flange end .
Fourth, by forming a concrete flow hole at the end of the lattice material cut at 45 degrees, web deformation of the lattice material can be minimized.
Fifth, by vertically bending the floor of the deck plate formwork at the member edge, it is possible to prevent the concrete paste from leaking through the joining portion of the member edge.
Sixth, by combining a flat thin plate on the inner side of the golf deck plate, it is possible to reduce the carrying and weight burden by making it lightweight while maintaining the form rigidity, and the member surface can be made flat.
Seventhly, it is possible to prevent the side sway of the prefabricated frame by providing the inclined members whose one end and the other end are positioned between the a-shaped steel and the lattice material and between the adjacent a-shaped steel and the lattice material, respectively.
Eighth, it is possible to prevent the interference between the connecting plate and the lattice material at the joint portion of the prefabricated frame by connecting the outer surface of the a-shaped steel frame of the adjacent line assembly frame with the connecting plate and placing the lattice material on the outer surface of the connecting plate, And buckling of the connecting plate can be prevented.
1 is a perspective view showing an embodiment of a conventional prefabricated steel-concrete composite member.
2 is an enlarged cross-sectional view of the portion 'A' of FIG. 1;
3 is a plan view showing an embodiment of a prefabricated framework for a steel-concrete composite member according to the present invention.
4 is a perspective view showing another embodiment of a prefabricated framework for a steel-concrete composite member according to the present invention.
5 is an enlarged cross-sectional view of the portion 'B' of FIG. 4;
6 is a perspective view showing an embodiment of a lattice material;
7 is a perspective view showing another embodiment of the lattice material.
8 is a perspective view showing a coupling relation between adjacent lattice materials;
FIG. 9 is a plan view of a part of a pre-assembled frame for a steel-concrete composite member according to an embodiment of the present invention. FIG.
10 is a perspective view showing another embodiment of the form.
11 and 12 are perspective views each showing a part of another embodiment of a prefabricated framework for a steel-concrete composite member according to the present invention.
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments.
FIG. 3 is a plan view showing an embodiment of a prefabricated frame for a steel-concrete composite member according to the present invention, FIG. 4 is a perspective view showing another embodiment of a prefabricated frame for a steel- 4 is an enlarged cross-sectional view taken along line 'B' in FIG.
3 to 5, the prefabricated steel frame for a steel-concrete composite member of the present invention is installed on a steel-
The present invention relates to a pre-assembled frame for steel-concrete composite members for use as a column or beam member by combining steel and concrete. Although the accompanying drawings show an embodiment of the pillar member, the present invention is also applicable to the pillar member.
The a-shaped
The
A plurality of
The
When the
As shown in FIG. 5, the reinforcing
The nail N connecting the
The die 13 is coupled to the outside of the
The
The
It is possible to complete the
6 is a perspective view showing an embodiment of the lattice material.
As shown in FIG. 6, the reinforcing
The reinforcing ribs may be formed by welding a separate rib or by pressing the corners of the Z-shaped steel to project inward.
7 is a perspective view showing another embodiment of the lattice material.
7, both end portions of the
When cutting both ends of the
The deformation of the
Further, since the joining portion between
8 is a perspective view showing a coupling relationship between adjacent lattice materials.
8, a
The end portion of the
Therefore, in the present invention, the first and second protrusions are formed at both ends of the
At this time, a
The corner covering portion of the member (1) can be prevented from flowing the concrete by the interference between the b-shaped steel (11) and the lattice material (12).
Therefore, by forming the
FIG. 9 is a plan view of a part of a prefabricated structure for a steel-concrete composite member according to an embodiment of the present invention.
9, the
The golf deck plate serves as a member of a member by closing a side surface or a side surface and a bottom surface of the member.
When the golf deck plate meets with each other at the corners of the members, the ends are not easily coupled with each other, and there is a fear that the concrete paste leaks through the fragile portion when the concrete is laid.
Accordingly, as shown in FIG. 9, the joining portion where the deck plate is joined at the corner of the member is eliminated, and the
10 is a perspective view showing another embodiment of the form.
10, the
In the case of the
Since the mold can be manufactured simply by joining the
In addition, since the flat
11 is a perspective view showing a part of another embodiment of a prefabricated framework for a steel-concrete composite member according to the present invention.
11, the present invention is characterized in that one end is connected between the
If the formwork is attached to the frame or installed in the field, side sway may occur in the prefabricated frame due to external force such as construction load.
Therefore, the present invention prevents side sway by attaching an inclined material so as to connect adjacent a-shaped steel bars 11.
12 is a perspective view showing a part of another embodiment of a prefabricated framework for a steel-concrete composite member according to the present invention.
12, in the present invention, the prefabricated frame is constructed by connecting a plurality of prefabricated frames in the longitudinal direction, and the a-shaped beams 11 'of the one prefabricated frame to be connected and the a- Is characterized in that the connecting
Interference may occur between the
Thus, by providing the
The
When the
1: Steel-concrete
12: Lattice material 121: Inner flange
122: web 123: outer flange
124: reinforced portion 125: first protrusion
126: second protrusion 127:
13: Form 131: Deck plate
131a:
132: thin plate 14: inclined material
15: connection plate C: concrete
N: Nail
Claims (11)
A plurality of b-shaped sections (11) arranged to be spaced apart from a surface of the member (1) of the member (1) by a predetermined distance;
A lattice material (12) joined to the outside of the a-shaped steel (11) at both ends so as to interconnect the adjacent a-shaped steel (11); And
A die (13) coupled to the outside of the lattice material (12); As shown in FIG.
The lattice material 12 includes an inner flange 121 coupled to an outer surface of the a-shaped steel 11, a web 122 vertically bent outward at one end of the inner flange 121, And an outer flange 123 to which the form 13 is coupled and which is vertically bent upward or downward from the outer flange 123. A reinforcing portion 124 for suppressing warpage of the outer flange 123 is formed at one side of the outer flange 123 And a reinforcing member for reinforcing the reinforced concrete member.
Wherein the reinforcing portion (124) is formed to extend inwardly from the other end of the outer flange (123) to be vertically bent.
Wherein the reinforcing portion (124) is a reinforcing rib provided between a joint portion of the outer flange (123) and the web (122).
Characterized in that the formwork (13) is joined to the lattice material (12) by a nail (N) and the outer surface of the nail (N) is subjected to a knurling treatment.
Wherein both end portions of the lattice material (12) are cut at 45 degrees and mated with adjacent lattice materials (12).
A first protrusion 125 extends in the longitudinal direction of the lattice material 12 at an upper portion and a lower portion of the outer flange 123 at one end of the lattice material 12, The first protrusion 125 and the second protrusion 126 extend in the longitudinal direction of the lattice material 12 so that the end of the outer flange 123 of the adjacent lattice material 12 Wherein the reinforcing member is supported by the reinforcing member.
And a concrete flow hole (127) is formed in a portion where the web (122) of the lattice material (12) is cut at 45 degrees.
The mold 13 is a deck plate 131 formed by bending a metal plate such that a floor 131a and a valley 131b are alternately formed so that the direction of the valley 131b is parallel to the longitudinal direction of the member 1 , And a floor (131a) of the golf deck plate (131) is vertically bent and joined to an edge of the member (1).
Wherein the formwork (13) has a flat steel plate (132) coupled to an inner surface of a deck plate (131) having a metal plate folded to form a floor (131a) and a valley (132b) alternately. Prefabricated Frames for Members.
And one end is further coupled to the lattice material 12 and the other end is connected to the adjacent lattice 11 and the lattice material 12 Prefabricated frame for steel - concrete composite members.
The prefabricated frame is constructed by connecting a plurality of prefabricated frames in the longitudinal direction, and the a-shaped beams 11 'of the one prefabricated frame and the a-shaped beams 11''of the other prefabricated frame are connected to the connecting plate 15, , And the lattice material (12) is joined to the a-shaped steel at the outer surface of the connecting plate (15). The steel-concrete composite member according to claim 1, Assembly frame.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140036510A KR101513055B1 (en) | 2014-03-28 | 2014-03-28 | Prefabricated steel frame for composite member of steel and concrete |
PCT/KR2014/012331 WO2015147414A1 (en) | 2014-03-28 | 2014-12-15 | Prefabricated steel frame for steel-concrete composite member |
SG11201608676XA SG11201608676XA (en) | 2014-03-28 | 2014-12-15 | Prefabricated steel frame for steel-concrete composite member |
CN201480078994.7A CN106460382B (en) | 2014-03-28 | 2014-12-15 | The prefabricated frame of steel concrete compound component |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140036510A KR101513055B1 (en) | 2014-03-28 | 2014-03-28 | Prefabricated steel frame for composite member of steel and concrete |
Publications (1)
Publication Number | Publication Date |
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KR101513055B1 true KR101513055B1 (en) | 2015-04-17 |
Family
ID=53053471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020140036510A KR101513055B1 (en) | 2014-03-28 | 2014-03-28 | Prefabricated steel frame for composite member of steel and concrete |
Country Status (4)
Country | Link |
---|---|
KR (1) | KR101513055B1 (en) |
CN (1) | CN106460382B (en) |
SG (1) | SG11201608676XA (en) |
WO (1) | WO2015147414A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101609778B1 (en) * | 2015-04-30 | 2016-04-06 | (주)센벡스 | System for supporting Lightweight form of Composite column of steel and concrete |
WO2017034354A1 (en) * | 2015-08-25 | 2017-03-02 | (주)센벡스 | Structure for fixating deck formwork |
WO2018038298A1 (en) * | 2016-08-26 | 2018-03-01 | (주)센벡스 | Detachable lightweight mold structure |
Families Citing this family (3)
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KR101715143B1 (en) * | 2016-07-15 | 2017-03-13 | 한국건설기술연구원 | Concrete filled tube of non-welding using built-in straight type bolt connection slot and wave punching steel plate and construction method threrfor |
CN112983116B (en) * | 2021-03-01 | 2022-07-19 | 常州工学院 | Prefabricated corrugated steel plate lattice type enclosure structure and construction method thereof |
CN115233972B (en) * | 2022-07-21 | 2023-08-15 | 国网河北省电力有限公司建设公司 | Bare concrete mold, bare concrete mold assembly and use method |
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KR20140011869A (en) * | 2012-07-20 | 2014-01-29 | 이창남 | Permanent thin skin concrete form for the prc or psrc & the assembling method thereof |
KR20150005411A (en) * | 2013-07-04 | 2015-01-14 | (주)센벡스 | Prefabricated Column with Rib deck form |
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- 2014-03-28 KR KR1020140036510A patent/KR101513055B1/en active IP Right Grant
- 2014-12-15 SG SG11201608676XA patent/SG11201608676XA/en unknown
- 2014-12-15 WO PCT/KR2014/012331 patent/WO2015147414A1/en active Application Filing
- 2014-12-15 CN CN201480078994.7A patent/CN106460382B/en active Active
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KR20050038272A (en) * | 2003-10-21 | 2005-04-27 | 정운진 | Section steel and panel |
KR20140011869A (en) * | 2012-07-20 | 2014-01-29 | 이창남 | Permanent thin skin concrete form for the prc or psrc & the assembling method thereof |
KR20150005411A (en) * | 2013-07-04 | 2015-01-14 | (주)센벡스 | Prefabricated Column with Rib deck form |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101609778B1 (en) * | 2015-04-30 | 2016-04-06 | (주)센벡스 | System for supporting Lightweight form of Composite column of steel and concrete |
WO2017034354A1 (en) * | 2015-08-25 | 2017-03-02 | (주)센벡스 | Structure for fixating deck formwork |
WO2018038298A1 (en) * | 2016-08-26 | 2018-03-01 | (주)센벡스 | Detachable lightweight mold structure |
Also Published As
Publication number | Publication date |
---|---|
CN106460382B (en) | 2019-03-15 |
CN106460382A (en) | 2017-02-22 |
SG11201608676XA (en) | 2016-12-29 |
WO2015147414A1 (en) | 2015-10-01 |
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