CN110424536B - Square steel tube sleeve weak shaft connection steel structure beam column joint and installation method thereof - Google Patents
Square steel tube sleeve weak shaft connection steel structure beam column joint and installation method thereof Download PDFInfo
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- CN110424536B CN110424536B CN201910732228.2A CN201910732228A CN110424536B CN 110424536 B CN110424536 B CN 110424536B CN 201910732228 A CN201910732228 A CN 201910732228A CN 110424536 B CN110424536 B CN 110424536B
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- square steel
- steel tube
- shaped steel
- tube sleeve
- connecting piece
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 216
- 239000010959 steel Substances 0.000 title claims abstract description 216
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000009434 installation Methods 0.000 title abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000011440 grout Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 238000003466 welding Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
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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
- E04B1/24—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
- E04B2001/2406—Connection nodes
-
- 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 invention relates to a beam column node of a square steel tube sleeve weak shaft connection steel structure and an installation method thereof, wherein the beam column node comprises an H-shaped steel column, a square steel tube sleeve connecting piece fixed in the H-shaped steel column and an H-shaped steel beam fixed on the square steel tube sleeve connecting piece, bolt holes corresponding to positions are arranged at the joint of the H-shaped steel column and the square steel tube sleeve connecting piece and the joint of the square steel tube sleeve connecting piece and the H-shaped steel beam, and the bolt holes corresponding to the positions are connected through high-strength bolts; the joint of the H-shaped steel beam and the column adopts a square steel tube sleeve connecting piece, the stress of the H-shaped steel beam is transmitted to the H-shaped steel column through the square steel tube sleeve connecting piece, and the force transmission is clear and simple; the square steel tube sleeve connecting piece is designed with a longer bottom plate, accessory rib plates and a closed space which is surrounded by the baffle plate and can be filled with grouting material, and the measures are helpful for ensuring the rigidity and bearing capacity of the node.
Description
Technical Field
The invention belongs to the technical field of constructional engineering steel structures, and particularly relates to a square steel tube sleeve weak shaft connection steel structure beam column node and an installation method thereof.
Background
The beam column node is one of important components of a steel frame structure, and two connecting modes generally exist in a steel structure system of beam columns adopting H-shaped steel, wherein strong shaft connection and weak shaft connection are realized. For beam column nodes connected by weak shafts, additional rib plates or connecting plates are welded on an H-shaped steel column at present, and then the beam column nodes are connected with the H-shaped steel beam through welding seams or bolts, but field welding is easily affected by field environments and the technical level of welders, so that the quality of the beam column nodes and the construction and installation progress are difficult to ensure. In addition, the weak axis connection of beam column joints is more than the structure setting of strong axis connection, and the force transmission deformation is more complicated, has the difficulty in analysis, design and installation. In addition, the weak shaft connection of the H-shaped steel column is less in research at home and abroad, and the node forms of practical application are less. Therefore, the design of the novel H-shaped steel beam-column weak axis connecting node which can meet the earthquake-proof requirement is quite necessary, the force transmission is clear, the manufacture is simple, and the installation is convenient.
Disclosure of Invention
The invention aims to solve the technical problem of providing a square steel tube sleeve weak axis connection steel structure beam column node which can meet the anti-seismic requirement, is clear in force transmission, is simple to manufacture and is convenient to install, and an installation method thereof.
The technical scheme adopted by the invention is as follows: a square steel tube sleeve weak axis connection steel structure beam column node comprises an H-shaped steel column, a square steel tube sleeve connecting piece fixed in the H-shaped steel column and an H-shaped steel beam fixed on the square steel tube sleeve connecting piece, bolt holes corresponding to positions are formed in the joint of the H-shaped steel column and the square steel tube sleeve connecting piece and the joint of the square steel tube sleeve connecting piece and the H-shaped steel beam, and the bolt holes corresponding to the positions are connected through high-strength bolts.
Further, the square steel tube sleeve connecting piece comprises a square steel tube, the square steel tube is fixed in a space formed by a web plate and a flange of the H-shaped steel column through a high-strength bolt, and one end of the H-shaped steel beam is inserted into the square steel tube and is fixedly connected with the square steel tube through the high-strength bolt.
Further, a gap exists between one end of the H-shaped steel beam and the web plate of the H-shaped steel column.
Furthermore, slots are formed in flanges on two sides of the H-shaped steel beam, baffles are inserted in the slots, the baffles, the H-shaped steel beam and the square steel tube sleeve connecting piece form a closed space, and grouting holes are formed in the baffles.
Further, the square steel tube sleeve connecting piece further comprises a bottom plate, the square steel tube is fixed on the bottom plate, and the bottom plate is fixedly connected with the web plate of the H-shaped steel column through high-strength bolts.
Further, triangular rib plates are welded between the bottom plate and the square steel pipes.
Further, a grout stop is arranged in the grouting hole.
A method of node hinge installation comprising the steps of:
step one: and connecting the web plate of the H-shaped steel column with the square steel tube sleeve connecting piece through high-strength bolts in a hole-to-hole manner. And connecting the flange of the H-shaped steel column with the outer wall of the square steel tube sleeve connecting piece through high-strength bolts.
Step two: the H-shaped steel beam is inserted into the square steel tube of the square steel tube sleeve connecting piece, and is connected with the top surface and the bottom surface of the square steel tube in a hole-to-hole manner through high-strength bolts.
A method for just connecting and installing a node comprises the following steps:
step one: connecting a web plate of the H-shaped steel column with a square steel tube sleeve connecting piece through a high-strength bolt in a hole-to-hole manner; and connecting the flange of the H-shaped steel column with the outer wall of the square steel tube sleeve connecting piece through high-strength bolts.
Step two: inserting the H-shaped steel beam into a square steel tube of the square steel tube sleeve connecting piece, and connecting the H-shaped steel beam with the top surface and the bottom surface of the square steel tube in a hole-to-hole manner through high-strength bolts;
Step three: fixing a baffle plate on the H-shaped steel beam through a slot, and sealing gaps among the baffle plate, the H-shaped steel beam and the square steel pipe;
step four: grouting material is injected under pressure through the grouting holes, and the grouting material is blocked by a grouting stop plug after being filled.
The invention has the positive effects that: the joint of the H-shaped steel beam and the column adopts a square steel tube sleeve connecting piece, the stress of the H-shaped steel beam is transmitted to the H-shaped steel column through the square steel tube sleeve connecting piece, and the force transmission is clear and simple; the square steel tube sleeve connecting piece is designed with a longer bottom plate, accessory rib plates and a closed space which is surrounded by a baffle plate and can be filled with grouting material, and the measures are helpful for ensuring the rigidity and bearing capacity of the node; the H-shaped steel column, the H-shaped steel beam, the square steel tube sleeve connecting piece and the baffle can be manufactured in a processing plant, and only needs to be installed and grouted on site, so that the on-site welding can be avoided, the on-site installation and construction are convenient, and the quality of beam column nodes is guaranteed.
Drawings
FIG. 1 is a schematic diagram of an explosion structure of embodiment 1 of the present invention;
FIG. 2 is an assembly schematic of embodiment 1 of the present invention;
FIG. 3 is a schematic view of a grouting hole according to embodiment 1 of the present invention;
FIG. 4 is a schematic view of a baffle structure according to embodiment 1 of the present invention;
FIG. 5 is a schematic diagram of an explosion structure of embodiment 2 of the present invention;
Fig. 6 is an assembly schematic diagram of embodiment 2 of the present invention.
Detailed Description
Example 1
The embodiment is a rigid node for weak shaft connection of H-shaped steel of a steel structure, as shown in figures 1-4, and comprises an H-shaped steel column 1, a square steel tube sleeve connecting piece 3 fixed in the H-shaped steel column 1 and an H-shaped steel beam 2 fixed on the square steel tube sleeve connecting piece 3. In consideration of the difficulty of field welding and installation, the square steel tube sleeve connecting piece 3 is applied to the weak shaft connecting joint of the H-shaped steel beam column, and reinforcing measures are taken for the joint, so that the square steel tube sleeve weak shaft connecting steel structure beam column joint with definite force transmission, high bearing capacity, no welding on site and convenient installation is formed.
The square steel tube sleeve connecting piece 3 comprises square steel tubes 6, bolt holes 7 are formed in the web plate and the flange of the H-shaped steel column 1, and bolt holes 7 are formed in the flange of the H-shaped steel beam 2.
The side length of the square steel tube 6 is determined according to the height of the H-shaped steel beam 2 and the height of the H-shaped steel column 1, and the square steel tube 6 is just inserted into the square steel tube 6, and the square steel tube 6 is just inserted between the flanges of the H-shaped steel column 1. The flange of the H-shaped steel beam 2 is in contact with the square steel tube 6, and the square steel tube 6 is best in contact with the flange of the H-shaped steel column 1. The length of the square steel tube 6 is not less than half of the width of the H-shaped steel column 1.
The square steel pipe 6 is provided with bolt holes 7 on four sides, wherein the bolt holes on the top and bottom surfaces are connected with the bolt holes 7 on the flange of the H-shaped steel beam 2 through high-strength bolts 4, and the bolt holes 7 on the two side surfaces are connected with the bolt holes on the flange of the H-shaped steel column 1 through high-strength bolts. The force of the flange of the H-shaped steel beam 2 is transmitted to the square steel tube sleeve connecting piece 3 through the bolt connection of the top surface and the bottom surface of the square steel tube 6, and the force of the square steel tube sleeve connecting piece 3 is transmitted to the H-shaped steel column 1 through the bolt connection of the side surface of the square steel tube 6. Therefore, the joint force transmission is clear, the design is simplified, and the bolt connection is favorable for on-site construction and installation. On this basis square steel pipe sleeve connecting piece increases longer bottom plate 2~5 times roof beam height and triangle rib plate, increases the rigidity of connecting piece, guarantees the rigidity of beam column node, and the bolt hole on bottom plate and the 1 web of H shaped steel post is also through high strength bolted connection simultaneously.
The grouting device is characterized in that slots 9 are formed in flanges on two sides of the H-shaped steel beam 2, a baffle 5 is inserted in the slots 9, the baffle 5, the H-shaped steel beam 2 and the square steel tube sleeve connecting piece 3 form a closed space, grouting holes 8 are formed in the baffle 5, and grout stopping plugs 11 are arranged in the grouting holes 8. According to the geometric parameters design baffle 5 of H shaped steel roof beam 2 and square steel pipe 6, baffle 5 edge polishes out smooth radian, and it is inseparabler after making the cooperation with slot 9 looks adaptation to simple to operate does not rock not become flexible, and the gap does not leak visible light. These measures allow the square steel tube 6 to form an enclosed space for the grouting material to be injected. Therefore, the rigidity of the joint is obviously increased, the buckling of the beam and the column flange in the joint area is avoided, the rigid connection of the joint is realized, and the strong joint weak member is ensured.
The mounting method of the embodiment comprises the following steps:
Step one: connecting a web plate of the H-shaped steel column with an inner side plate of the square steel tube sleeve connecting piece through a high-strength bolt hole, and connecting flanges of the H-shaped steel column with left and right sides of the square steel tube sleeve connecting piece through a high-strength bolt hole;
Step two: inserting the H-shaped steel beam into the square steel tube of the square steel tube sleeve connecting piece, and connecting the H-shaped steel beam with the top surface and the bottom surface of the square steel tube sleeve connecting piece in an opposite hole manner through a high-strength bolt;
step three: fixing a baffle plate on the H-shaped steel beam through a slot, and sealing gaps among the baffle plate, the H-shaped steel beam and the square steel pipe sleeve connecting piece;
step four: grouting material is injected under pressure through the grouting holes, and the grouting material is blocked by a grout stop plug 11 after being filled.
Example 2
In the embodiment, as shown in fig. 5 and 6, the bottom plate and the triangular rib plate of the square steel tube sleeve connecting piece 3 are removed on the basis of the embodiment 1, the baffle plate 5 is not arranged, grouting material is not poured, and the end face of the H-shaped steel beam 2 is at a certain distance from the web plate of the H-shaped steel column 1.
The installation method of the embodiment comprises the following steps:
step one: the web plate of the H-shaped steel column is connected with the inner side plate of the square steel tube sleeve connecting piece through high-strength bolts in a hole-aligning mode, and the flange of the H-shaped steel column is connected with the left side surface and the right side surface of the square steel tube sleeve connecting piece through high-strength bolts in a hole-aligning mode.
Step two: the H-shaped steel beam is inserted into the square steel tube of the square steel tube sleeve connecting piece, and is connected with the top surface and the bottom surface of the square steel tube sleeve connecting piece in an opposite hole mode through a high-strength bolt.
Compared with the existing steel structure weak shaft connection node, the invention has the following advantages: bolt holes are formed in four sides of the square steel pipe and the inner side plate, the inner side plate of the square steel pipe is connected with the web plate of the H-shaped steel column through bolts, the square steel pipe is rigidly connected, and rigidity and earthquake resistance of the joint can be improved. The square steel pipe 6 is filled with grouting material, so that the grouting material and the H-shaped steel column are better combined together, and the advantages of the grouting material and steel are fully exerted.
The invention makes up the shortages of the field in the weak shaft connection research of beam-column joints, the joint components are spliced on site after the processing of factories, the welding of construction sites is greatly reduced, the ductility and the energy consumption capability of the structure are enhanced by the square steel tube sleeve connecting piece 3, and the earthquake resistance of the joint is excellent.
Claims (3)
1. The square steel tube sleeve weak axis connection steel structure beam column node is characterized by comprising an H-shaped steel column (1), a square steel tube sleeve connecting piece (3) fixed in the H-shaped steel column (1) and an H-shaped steel beam (2) fixed on the square steel tube sleeve connecting piece (3), wherein bolt holes (7) corresponding to the positions are formed in the joint of the H-shaped steel column (1) and the square steel tube sleeve connecting piece (3) and the joint of the square steel tube sleeve connecting piece (3) and the H-shaped steel beam (2), and the bolt holes (7) corresponding to the positions are connected through high-strength bolts (4);
The square steel tube sleeve connecting piece (3) comprises a square steel tube (6), the square steel tube (6) is fixed in a space formed by a web plate and a flange of the H-shaped steel column (1) through a high-strength bolt (4), and one end of the H-shaped steel beam (2) is inserted into the square steel tube (6) and is fixedly connected with the square steel tube (6) through the high-strength bolt (4);
a gap exists between one end of the H-shaped steel beam (2) and a web plate of the H-shaped steel column (1);
the flange on two sides of the H-shaped steel beam (2) is provided with a slot (9), a baffle (5) is inserted in the slot (9), the baffle (5), the H-shaped steel beam (2) and the square steel tube sleeve connecting piece (3) form a closed space, and a grouting hole (8) is formed in the baffle (5);
The square steel tube sleeve connecting piece (3) further comprises a bottom plate, the square steel tube (6) is fixed on the bottom plate, and the bottom plate is fixedly connected with a web plate of the H-shaped steel column (1) through a high-strength bolt (4);
Triangular rib plates (10) are welded between the bottom plate and the square steel pipes (6);
A grout stop plug (11) is arranged in the grouting hole (8).
2. A method of articulation of a square steel tube sleeve weak axis joint steel structure beam column joint according to claim 1, characterized in that it comprises the steps of:
step one: connecting a web plate of the H-shaped steel column (1) with a square steel tube sleeve connecting piece (3) through a high-strength bolt (4) in a hole-to-hole manner;
the flange of the H-shaped steel column (1) is connected with the outer wall of the square steel tube sleeve connecting piece (3) through a high-strength bolt (4) in a hole-to-hole manner;
Step two: the H-shaped steel beam (2) is inserted into a square steel tube (6) of the square steel tube sleeve connecting piece (3), and is connected with the top surface and the bottom surface of the square steel tube (6) in a hole-to-hole manner through the high-strength bolt (4).
3. A method of installing a square steel tube sleeve weak axis connection steel structure beam column joint as claimed in claim 1, comprising the steps of:
step one: connecting a web plate of the H-shaped steel column (1) with a square steel tube sleeve connecting piece (3) through a high-strength bolt (4) in a hole-to-hole manner;
the flange of the H-shaped steel column (1) is connected with the outer wall of the square steel tube sleeve connecting piece (3) through a high-strength bolt (4) in a hole-to-hole manner;
Step two: the H-shaped steel beam (2) is inserted into a square steel tube (6) of the square steel tube sleeve connecting piece (3), and is connected with the top surface and the bottom surface of the square steel tube (6) in a hole-to-hole manner through the high-strength bolt (4);
step three: fixing a baffle (5) on the H-shaped steel beam (2) through a slot (9), and sealing a gap between the baffle (5) and the H-shaped steel beam (2) and a square steel tube (6);
Step four: grouting material is injected into the grouting holes (8) in a pressurizing mode, and a grouting stop plug (11) is used for blocking after the grouting material is filled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910732228.2A CN110424536B (en) | 2019-08-09 | 2019-08-09 | Square steel tube sleeve weak shaft connection steel structure beam column joint and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910732228.2A CN110424536B (en) | 2019-08-09 | 2019-08-09 | Square steel tube sleeve weak shaft connection steel structure beam column joint and installation method thereof |
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| Publication Number | Publication Date |
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| CN110424536A CN110424536A (en) | 2019-11-08 |
| CN110424536B true CN110424536B (en) | 2024-06-21 |
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| CN201910732228.2A Active CN110424536B (en) | 2019-08-09 | 2019-08-09 | Square steel tube sleeve weak shaft connection steel structure beam column joint and installation method thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677111B (en) * | 2020-05-19 | 2021-08-20 | 浙江新中源建设有限公司 | Beam-column connecting node structure and construction method thereof |
| CN111636563A (en) * | 2020-05-27 | 2020-09-08 | 安徽富煌钢构股份有限公司 | Assembled high-rise steel structure house special-shaped column combined standardization node |
| CN112282059A (en) * | 2020-11-25 | 2021-01-29 | 灵境(湖北)科技有限公司 | Connecting steel member for construction site |
| CN113026940B (en) * | 2021-03-25 | 2022-08-02 | 天津中冀建设集团有限公司 | Super high-rise building core tube steel column connecting structure and core tube construction method |
| CN113389273A (en) * | 2021-05-26 | 2021-09-14 | 国网河北省电力有限公司经济技术研究院 | Steel beam cross-shaped node connecting structure |
| CN113431187B (en) * | 2021-06-28 | 2023-03-03 | 四川省佳宇建设集团有限公司 | Layered assembly type beam column node |
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| CN102733492A (en) * | 2012-06-29 | 2012-10-17 | 中国建筑股份有限公司 | H-shaped steel beam and H-shaped steel column minor axis variable beam height fabricated node and construction method thereof |
| CN107675801A (en) * | 2017-08-29 | 2018-02-09 | 孔金河 | Assembling type steel structure beam-column connection and attaching method thereof |
| CN211114080U (en) * | 2019-08-09 | 2020-07-28 | 河北科技大学 | Square steel pipe sleeve weak axis connection steel structure beam column node |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030045237A (en) * | 2001-12-01 | 2003-06-11 | 대명건영(주) | Beam-column connection and detail of end plate in weak axis |
| CN107476434B (en) * | 2017-08-25 | 2019-05-31 | 广东省正联钢构工程有限公司 | Beam column antidetonation connecting node and attaching method thereof |
| CN108104273B (en) * | 2017-12-21 | 2019-02-05 | 青岛理工大学 | Assembled self-recovery steel pipe concrete combined node, installation method and structural system |
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2019
- 2019-08-09 CN CN201910732228.2A patent/CN110424536B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733492A (en) * | 2012-06-29 | 2012-10-17 | 中国建筑股份有限公司 | H-shaped steel beam and H-shaped steel column minor axis variable beam height fabricated node and construction method thereof |
| CN107675801A (en) * | 2017-08-29 | 2018-02-09 | 孔金河 | Assembling type steel structure beam-column connection and attaching method thereof |
| CN211114080U (en) * | 2019-08-09 | 2020-07-28 | 河北科技大学 | Square steel pipe sleeve weak axis connection steel structure beam column node |
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