CN110984607B - Reinforced structure of square steel column - Google Patents
Reinforced structure of square steel column Download PDFInfo
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- CN110984607B CN110984607B CN201911020728.XA CN201911020728A CN110984607B CN 110984607 B CN110984607 B CN 110984607B CN 201911020728 A CN201911020728 A CN 201911020728A CN 110984607 B CN110984607 B CN 110984607B
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- square steel
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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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
- E04C3/32—Columns; Pillars; Struts of metal
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention discloses a reinforcing structure of a square steel column, and relates to the technical field of steel structures. The reinforcing device comprises a square steel column, wherein grooves are formed in the peripheral side face of the square steel column, reinforcing members are fixed on the peripheral side face of the square steel column, and each reinforcing member comprises a plurality of structural reinforcing rods and two symmetrically arranged fixing plates; fixing edges are symmetrically arranged on two sides of the fixing plate, fixing through holes are formed in the fixing edges, and rectangular holes are formed in one side of the fixing plate; the structure reinforcing rod is arranged between the two symmetrically arranged fixed plates, the structure reinforcing rod is connected with the L-shaped rectangular rod connected with the rectangular hole, the connecting rod is abutted against the peripheral side face of the square steel column, and the L-shaped rectangular rod is positioned at the end part of the connecting rod; a side face, far away from the square steel column, of the connecting rod is provided with a plurality of structure reinforcing structures, and each structure reinforcing structure comprises a plurality of sequentially connected structure reinforcing units. According to the invention, the buckling failure region is positioned and manufactured by arranging the groove, and the buckling failure region is reinforced and converted into the stable plastic region by the reinforcing member, so that the structural strength of the square steel column is improved.
Description
Technical Field
The invention belongs to the technical field of steel structures, and particularly relates to a reinforcing structure of a square steel column.
Background
The existing steel frame structure column mostly adopts a form that a square steel column supports a transverse beam column, the whole stability of the square steel column is stronger, but the local stability is weaker, particularly, the end part of the square steel column abutting against the square steel column generates huge bending moment and shearing force when horizontal force caused by gust or earthquake force acts on the steel frame, the end part of the square steel column abutting against the beam column connecting part generates local buckling damage easily, so that the structure collapses, the buckling-preventing reinforcement is carried out on the column end by adopting a general method, although the column end of a reinforcement area can be strengthened in bending resistance and shearing resistance and bearing capacity and is not easy to damage, but the buckling damage can still occur in a region with larger bending moment near the reinforcement area of the square steel column, namely the buckling damage area moves inwards, so the general local buckling-preventing reinforcement method has poor effect, the entire or substantially entire column needs to be reinforced to obtain the desired buckling-restrained effect by completely eliminating the buckling-damaged area, but this method has disadvantages of being uneconomical and greatly increasing the weight of the structure.
Disclosure of Invention
The invention aims to provide a reinforcing structure of a square steel column, which solves the problems in the prior art.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a reinforcing structure of a square steel column, which comprises the square steel column, wherein a groove for reducing the bending resistance and the shearing resistance bearing capacity is arranged on the peripheral side surface of the square steel column, and fixing blind holes are arranged on the peripheral side surfaces of the square steel columns at the two ends of the groove; the reinforcing members are fixed on the peripheral side surfaces of the square steel columns and comprise a plurality of structural reinforcing rods and two symmetrically arranged fixing plates; fixing edges are symmetrically arranged on two sides of the fixing plate, fixing through holes are formed in the fixing edges, and rectangular holes are formed in one side of the fixing plate; the structural reinforcing rod is arranged between the two symmetrically arranged fixed plates and comprises an L-shaped rectangular rod connected with the rectangular hole and a connecting rod abutted against the peripheral side face of the square steel column, and the L-shaped rectangular rod is positioned at the end part of the connecting rod; a plurality of structure reinforcing structures are arranged on one side surface of the connecting rod, which is far away from the square steel column, and each structure reinforcing structure comprises a plurality of reinforcing units which are sequentially connected; the reinforcing unit is one of a C-shaped, V-shaped, M-shaped, Z-shaped or X-shaped structural plate.
Further, the fixing blind holes are matched with the fixing through holes.
Further, the groove is in one of a polygonal structure, a circular structure or an elliptical structure;
furthermore, a waterproof boss is arranged on the periphery of the square steel column above the reinforcing member, a through hole matched with the square steel column is formed in the waterproof boss, a through hole inclining outwards is formed in the periphery of the waterproof boss, the inclination angle of the through hole is 5-30 degrees, and the periphery of the waterproof boss is an inclined plane; the bottom side surface of the waterproof boss is provided with an annular clamping groove; the bottom end of the waterproof boss is also abutted with a rainproof cover; and a bearing plate for supporting the rain cover is connected to the fixed plate at the bottom end of the reinforcing member.
Further, the rain cover is a rectangular tubular structure.
Furthermore, the supporting plate comprises a base plate, the bottom side surface of the base plate is provided with fixing support legs, and the fixing support legs are provided with fixing threaded holes; and a fixed extension part is arranged on the fixed plate at the bottom end of the reinforcing part, and a threaded through hole which is matched with the fixed threaded hole is formed in the fixed extension part.
Furthermore, rain-proof cover, waterproof boss and bearing board are plastic products.
The invention has the following beneficial effects:
the buckling failure region is manufactured by arranging the groove in a positioning mode, and the buckling failure region is reinforced and converted into the stable plastic region through the reinforcing piece, so that the structural strength of the square steel column is improved; simultaneously, the rain cover, the waterproof boss and the bearing plate are matched for use, so that the structural strength of the reinforcing member is prevented from being influenced by corrosion and the like caused by rain erosion of the reinforcing member.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a reinforcing structure according to the present invention;
FIG. 2 is a cross-sectional view taken along line a-a of FIG. 1;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is a schematic view of a reinforcement mounting arrangement according to the present invention;
FIG. 5 is a schematic view of a square steel column structure according to the present invention;
FIG. 6 is a schematic view of a reinforcement structure according to the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 at B;
FIG. 8 is a top view of FIG. 6;
FIG. 9 is a schematic view of the waterproof boss structure of the present invention;
FIG. 10 is a schematic diagram of a support plate structure according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 10, the present invention is a reinforcing structure for a square steel column, including a square steel column 1, a groove 11 for reducing bending resistance and shear resistance is formed on the peripheral side of the square steel column 1, and fixing blind holes 12 are formed on the peripheral sides of the square steel column 1 at two ends of the groove 11; the peripheral sides of the square steel columns 1 are respectively fixed with a reinforcing piece, and the reinforcing pieces comprise a plurality of structural reinforcing rods 3 and two symmetrically arranged fixing plates 2; two sides of the fixed plate 2 are symmetrically provided with fixed edges 20, the fixed edges 20 are provided with fixed through holes 21, and one side of the fixed plate 2 is provided with a rectangular hole 22; the structural reinforcing rod 3 is arranged between the two symmetrically arranged fixing plates 2, the structural reinforcing rod 3 comprises an L-shaped rectangular rod 32 connected with the rectangular hole 22 and a connecting rod 31 abutted against the peripheral side face of the square steel column 1, and the L-shaped rectangular rod 32 is positioned at the end part of the connecting rod 31; a plurality of structure reinforcing structures are arranged on one side surface of the connecting rod 31, which is far away from the square steel column 1, each structure reinforcing structure comprises a plurality of reinforcing units 33, and the plurality of reinforcing units 33 are sequentially connected;
the reinforcing unit 33 is one of a C-shaped, V-shaped, M-shaped, Z-shaped or X-shaped structural plate; by utilizing the waveform characteristics of the reinforcing units 33, the structural strength is improved, the excellent bending resistance is realized, the stability of the square steel column 1 is improved, and the plate thickness and the material consumption are reduced.
Wherein the fixing blind hole 12 and the fixing through hole 21 are matched.
Wherein, the groove 11 is one of a polygonal structure, a circular structure or an elliptical structure.
As shown in fig. 1-3 and 9-10, a waterproof boss 5 is disposed on the periphery of the square steel column 1 above the reinforcing member, a through hole 53 matched with the square steel column 1 is disposed on the waterproof boss 5, a through hole 52 inclined outward is disposed on the periphery of the waterproof boss 5, the inclination angle of the through hole 52 is 5-30 °, and an inclined surface 54 is disposed on the periphery of the waterproof boss 5; the bottom side surface of the waterproof boss 5 is provided with an annular clamping groove 51; the bottom end of the waterproof boss 5 is also abutted with a rainproof cover 4; a bearing plate 6 for supporting the rain cover 4 is connected to the fixed plate 2 at the bottom end of the reinforcing member; waist-shaped holes matched with the through holes 52 are formed in the peripheral sides of the square steel columns 1, the waterproof bosses 5 can be conveniently installed on the square steel columns 1 through the waist-shaped holes, and meanwhile, the installation positions can be conveniently adjusted; the waterproof boss 5 is convenient to mount on the square steel column 1 through the through hole 52, the inclined surface 54 enables rainwater to quickly fall from the inclined surface 54 when impacting the inclined surface 54 in rainy weather, and meanwhile, the inclined through hole 52 facilitates rainwater to impact into the through hole 52 and quickly slide out of the through hole 52 in rainy weather; when the waterproof steel column is installed, sealant is coated on the contact side of the waterproof boss 5 and the square steel column 1.
Wherein, rain-proof cover 4 is a rectangle tubular structure, avoids the rainwater to strike on the reinforcement through rain-proof cover 4.
Referring to fig. 10, the supporting plate 6 includes a base plate 61, a fixing support leg 62 is disposed on a bottom side of the base plate 61, and a fixing threaded hole 63 is disposed on the fixing support leg 62; and a fixed extension part 23 is arranged on the fixed plate 2 at the bottom end of the reinforcing part, and a threaded through hole 24 which is matched and installed with the fixed threaded hole 63 is arranged on the fixed extension part 23.
Wherein, rain-proof cover 4, waterproof boss 5 and bearing board 6 are a plastic products.
Above-mentioned rain-proof cover 4, waterproof boss 5, bearing board 6 and reinforcement all install through the bolt.
According to the invention, the groove 11 is formed in the square steel column 1, the groove 11 is used for reducing the bending resistance and shearing resistance bearing capacity of the square steel column, the area which is easy to be damaged is controlled at the position of the groove 11, and then local reinforcement is carried out through the reinforcing member, so that the negligible stability of the groove 11 loss is compensated, the potential buckling damage area of the square steel column 1 is eliminated, the square steel column 1 is reinforced and converted into the stable plastic area through the reinforcing member, and the wind resistance and shock resistance of the square steel column 1 are improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a reinforced structure of square steel column, includes square steel column (1), the week side of square steel column (1) is equipped with recess (11) that are used for reducing bending resistance and anti-shear capacity, its characterized in that: the peripheral sides of the square steel columns (1) positioned at the two ends of the groove (11) are provided with fixed blind holes (12);
a reinforcing piece is fixed on the peripheral side surface of each square steel column (1), and each reinforcing piece comprises a plurality of structural reinforcing rods (3) and two symmetrically arranged fixing plates (2); fixing edges (20) are symmetrically arranged on two sides of the fixing plate (2), fixing through holes (21) are formed in the fixing edges (20), and rectangular holes (22) are formed in one side of the fixing plate (2);
the structural reinforcing rod (3) is arranged between the two symmetrically arranged fixing plates (2), the structural reinforcing rod (3) comprises an L-shaped rectangular rod (32) connected with the rectangular hole (22) and a connecting rod (31) abutted to the peripheral side face of the square steel column (1), and the L-shaped rectangular rod (32) is located at the end part of the connecting rod (31); a plurality of structure reinforcing structures are arranged on one side surface, away from the square steel column (1), of the connecting rod (31), each structure reinforcing structure comprises a plurality of reinforcing units (33), and the plurality of reinforcing units are sequentially connected;
the reinforcing unit (33) is one of a C-shaped, V-shaped, M-shaped, Z-shaped or X-shaped structural plate.
2. The reinforcing structure for square steel columns according to claim 1, wherein the fixing blind holes (12) and the fixing through holes (21) are matched.
3. The reinforcing structure for square steel column according to claim 1, wherein the groove (11) is one of a polygonal structure, a circular structure or an elliptical structure.
4. The reinforcing structure for the square steel column according to claim 1, wherein a waterproof boss (5) is arranged on the periphery of the square steel column (1) above the reinforcing member, a through hole (53) matched with the square steel column (1) is arranged on the waterproof boss (5), a through hole (52) inclined to the outside is arranged on the periphery of the waterproof boss (5), the inclination angle of the through hole (52) is 5-30 degrees, and the periphery side surface of the waterproof boss (5) is an inclined surface (54); the bottom side surface of the waterproof boss (5) is provided with an annular clamping groove (51); the bottom end of the waterproof boss (5) is also connected with a rainproof cover (4) in a butting mode; and a bearing plate (6) for supporting the rain cover (4) is connected to the fixed plate (2) at the bottom end of the reinforcing member.
5. The reinforcing structure for square steel columns according to claim 4 is characterized in that the rain shield (4) is a rectangular tubular structure.
6. The reinforcing structure for the square steel column according to claim 4, wherein the supporting plate (6) comprises a base plate (61), the bottom side of the base plate (61) is provided with fixing legs (62), and fixing threaded holes (63) are formed in the fixing legs (62); and a fixed extension part (23) is arranged on the fixed plate (2) at the bottom end of the reinforcing part, and a threaded through hole (24) which is matched and installed with the fixed threaded hole (63) is arranged on the fixed extension part (23).
7. The reinforcing structure for the square steel column according to claim 4, wherein the rain cover (4), the waterproof boss (5) and the bearing plate (6) are all made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911020728.XA CN110984607B (en) | 2019-10-25 | 2019-10-25 | Reinforced structure of square steel column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911020728.XA CN110984607B (en) | 2019-10-25 | 2019-10-25 | Reinforced structure of square steel column |
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| CN110984607A CN110984607A (en) | 2020-04-10 |
| CN110984607B true CN110984607B (en) | 2021-07-30 |
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| CN201911020728.XA Active CN110984607B (en) | 2019-10-25 | 2019-10-25 | Reinforced structure of square steel column |
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| CN201883703U (en) * | 2010-12-02 | 2011-06-29 | 西安建筑科技大学 | Shock-resistant reinforcing device for reinforced concrete beam-column joints |
| US7987638B1 (en) * | 2007-02-07 | 2011-08-02 | Lee Fang | Post-tensioning retrofit assemblies for reinforcing structural members |
| KR20130097385A (en) * | 2012-02-24 | 2013-09-03 | 재단법인 포항산업과학연구원 | Structure of reinforced columns by multi-layer steel plates |
| CN105040831A (en) * | 2015-07-21 | 2015-11-11 | 哈尔滨工业大学（威海） | Self-resetting buckling-restrained brace beam-column joint |
| CN106836491A (en) * | 2017-03-29 | 2017-06-13 | 长安大学 | A kind of high strength steel pipe concrete column girder connection structure and its construction method |
| CN207761072U (en) * | 2018-01-05 | 2018-08-24 | 东华理工大学 | A kind of concrete filled steel tube assembled girder connection structure |
| CN108505749A (en) * | 2018-06-15 | 2018-09-07 | 河南绿建建筑科技有限公司 | The vertical attachment device of prefabrication steel concrete overlapped shear wall in-site installation |
| CN109339338A (en) * | 2018-09-28 | 2019-02-15 | 浙江大学宁波理工学院 | The ruggedized construction of square steel column |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533105B (en) * | 2014-12-24 | 2016-04-20 | 山东省建筑科学研究院 | A kind of Strengthening by Steel-Packing post pre-applied force device |
| CN209308277U (en) * | 2018-11-21 | 2019-08-27 | 西安建筑科技大学 | A kind of ruggedized construction of timber structure column |
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- 2019-10-25 CN CN201911020728.XA patent/CN110984607B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7987638B1 (en) * | 2007-02-07 | 2011-08-02 | Lee Fang | Post-tensioning retrofit assemblies for reinforcing structural members |
| CN201883703U (en) * | 2010-12-02 | 2011-06-29 | 西安建筑科技大学 | Shock-resistant reinforcing device for reinforced concrete beam-column joints |
| KR20130097385A (en) * | 2012-02-24 | 2013-09-03 | 재단법인 포항산업과학연구원 | Structure of reinforced columns by multi-layer steel plates |
| CN105040831A (en) * | 2015-07-21 | 2015-11-11 | 哈尔滨工业大学（威海） | Self-resetting buckling-restrained brace beam-column joint |
| CN106836491A (en) * | 2017-03-29 | 2017-06-13 | 长安大学 | A kind of high strength steel pipe concrete column girder connection structure and its construction method |
| CN207761072U (en) * | 2018-01-05 | 2018-08-24 | 东华理工大学 | A kind of concrete filled steel tube assembled girder connection structure |
| CN108505749A (en) * | 2018-06-15 | 2018-09-07 | 河南绿建建筑科技有限公司 | The vertical attachment device of prefabrication steel concrete overlapped shear wall in-site installation |
| CN109339338A (en) * | 2018-09-28 | 2019-02-15 | 浙江大学宁波理工学院 | The ruggedized construction of square steel column |
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