CN220538864U - Assembled steel structure frame beam column connection structure - Google Patents
Assembled steel structure frame beam column connection structure Download PDFInfo
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- CN220538864U CN220538864U CN202321863043.3U CN202321863043U CN220538864U CN 220538864 U CN220538864 U CN 220538864U CN 202321863043 U CN202321863043 U CN 202321863043U CN 220538864 U CN220538864 U CN 220538864U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 127
- 239000010959 steel Substances 0.000 title claims abstract description 127
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000005192 partition Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 description 11
- 238000003466 welding Methods 0.000 description 11
- 230000006872 improvement Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides an assembled steel structure frame beam column connecting structure, which comprises steel beams, upright posts and fasteners, wherein the steel beams are arranged on the steel frames; the steel beam comprises a beam main body and a beam end plate which is prefabricated at one end part of the beam main body, and the beam end plate is provided with a plurality of first fixing holes; the upright post comprises a steel pipe column and a connecting column which is prefabricated at one end part of the steel pipe column and is coaxial with the steel pipe column, the cross section shape and the dimension of the connecting column are the same, the wall thickness of the connecting column is larger than that of the steel pipe column, and one side wall of the connecting column is provided with a plurality of second fixing holes; the steel beam and the upright post are attached to the side wall of the connecting column through the beam end plate, which is provided with a second fixing hole, and are locked and fixed through a fastener penetrating through the first fixing hole and the second fixing hole. The utility model can greatly improve the assembly speed of the beams and the columns while ensuring the connection strength between the beams and the columns.
Description
Technical Field
The utility model relates to the field of assembled steel structure buildings, in particular to a beam column connecting structure of an assembled steel structure frame.
Background
Steel structure buildings are buildings in which the bearing structure is formed from building steel, and the bearing structure is generally formed from members such as beams, columns, trusses and the like made of steel sections and steel plates. Because of simple construction, the steel structure building is widely applied to the fields of large-scale factory buildings, venues, super high-rise buildings and the like.
In traditional steel structure buildings, the box-shaped upright is a common bearing member, and the cross beam is used for connecting the box-shaped upright to bear transverse load. The traditional connection mode is to connect the cross beam with the box-shaped upright post through field welding. However, due to problems of welding quality and construction efficiency, the connection method has defects such as welding defects, welding deformation, fatigue of welding joints and the like, thereby affecting construction speed and quality.
Disclosure of Invention
The utility model aims to solve the technical problem that the stress performance and construction quality of a node are affected due to the fact that the cross beam and the box-shaped upright post are welded and fixed, and provides a novel assembled steel structure frame beam-column connecting structure.
The utility model solves the technical proposal that the utility model provides a beam column connecting structure of an assembled steel structure frame, which comprises a steel beam, an upright post and a fastener;
the steel beam comprises a beam main body and a beam end plate prefabricated at one end part of the beam main body, the beam main body is perpendicular to the beam end plate, and the beam end plate is provided with a plurality of first fixing holes;
the upright post comprises a steel pipe column and a connecting column which is prefabricated at one end part of the steel pipe column and is coaxial with the steel pipe column, the cross section shape and the dimension of the connecting column are the same, the wall thickness of the connecting column is larger than that of the steel pipe column, and one side wall of the connecting column is provided with a plurality of second fixing holes; the height of the connecting column is larger than that of the beam end plate, and the width of the side wall of the connecting column with the second fixing hole is larger than that of the beam end plate;
the steel beam and the upright post are attached to the side wall of the connecting column through the beam end plate, which is provided with a second fixing hole, and are locked and fixed through a fastener penetrating through the first fixing hole and the second fixing hole.
As a further development of the utility model, the beam body is composed of i-steel.
As a further improvement of the utility model, each flange plate of the I-shaped steel is provided with an arc notch, the ratio of the distance between the arc notch and the beam end plate to the width of the flange plate is 0.5-0.75, and the ratio of the dimension of the arc notch in the length direction of the I-shaped steel to the height of the I-shaped steel is 0.65-0.85.
As a further improvement of the utility model, the cross sections of the steel pipe column and the connecting column are box-shaped, and the steel pipe column and the connecting column are welded and fixed together in a mode of abutting end faces.
As a further improvement of the utility model, a plurality of inner partition plates which are parallel to each other and perpendicular to the inner side wall of the steel pipe column are arranged in the steel pipe column.
As a further improvement of the present utility model, the wall thickness of the connecting column is 2 times the wall thickness of the steel pipe column.
As a further improvement of the present utility model, the beam end plate is a rectangular plate, and the width and thickness of the beam end plate are the same as the width and thickness of the steel pipe column, respectively.
As a further improvement of the utility model, the fastener is a single-sided bolt.
The utility model has the following beneficial effects: the beam end plate lock prefabricated on the steel beam is fastened on the connecting column prefabricated on the steel pipe column through the fastener, the wall thickness of the connecting column is larger than that of the steel pipe column, the connecting strength between the beam columns is ensured, the assembling speed of the beam columns is greatly improved, and meanwhile the beam columns are convenient to disassemble and reassemble.
In addition, the arc-shaped notch is arranged on the cross beam to weaken the beam end, so that under the action of an earthquake, the plastic hinge deviates from the node core area and appears on the beam with larger ductility, and the strong column and weak beam is realized.
Drawings
FIG. 1 is a schematic view of a beam-column connection structure of an assembled steel structure frame provided by an embodiment of the utility model;
fig. 2 is an exploded view of a steel beam in a beam-column connection structure of an assembled steel structure frame according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of an exploded structure of a column in a beam-column connection structure of an assembled steel structure frame according to an embodiment of the present utility model;
FIG. 4 is an exploded view of a beam-column connection structure for an assembled steel frame according to an embodiment of the present utility model;
fig. 5 is a top view of a beam-column connection structure of an assembled steel structure frame according to an embodiment of the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Fig. 1 is a schematic diagram of a beam-column connection structure of an assembled steel structure frame according to an embodiment of the present utility model, where the beam-column connection structure of the assembled steel structure frame may be applied to a steel structure building and achieve connection between a beam and a column. The beam column connecting structure of the assembled steel structure frame of the embodiment comprises the steel beam 10, the upright columns 20 and the fasteners 30, wherein the steel beam 10 and the upright columns 20 are manufactured in advance in a factory, and quality problems caused by field welding are avoided.
As shown in fig. 2, the steel beam 10 includes a beam body 11 and a beam end plate 12, wherein the beam end plate 12 is prefabricated at one end of the beam body 11 (i.e., the end of the steel beam 10 is formed of the beam end plate 12), for example, when the beam body 11 and the beam end plate 12 are both made of steel, the beam end plate 12 may be welded to one end surface of the beam body 11, and the welding operation is completed at a factory. The beam end plate 12 prefabricated at the end of the beam main body 11 is perpendicular to the longitudinal direction of the beam main body 11, and the width of the beam end plate 12 is smaller than or equal to the width of one side surface of the column 20. The beam-end plate 12 has a plurality of first fixing holes 121, and in particular, the first fixing holes are provided around the coupling position of the beam body 11 and the beam-end plate 12. The thickness of the beam end plate 12 may be selected according to the application and mechanical properties of the material, as is well known in the art and will not be described in detail herein.
As shown in fig. 3, the column 20 includes a steel pipe column 21 and a connecting column 22, wherein the connecting column 22 is prefabricated at one end of the steel pipe column 21 and is coaxial with the steel pipe column 21. The steel pipe column 21 and the connection column 22 are both cylindrical, and the connection column 22 and the steel pipe column 21 have the same cross-sectional dimensions, and the connection column 22 has a wall thickness greater than that of the steel pipe column 21 (for example, the connection column 22 and the steel pipe column 21 have the same outer peripheral dimensions). Specifically, the connecting column 22 is prefabricated between the two steel pipe columns 21, that is, both end surfaces of the connecting column 22 are welded and fixed to both end surfaces of one steel pipe column 21, respectively, and the above welding operation is completed in a factory. One of the side walls of the connecting column 22 has a plurality of second fixing holes 221, and the second fixing holes 221 are disposed in one-to-one correspondence with the first fixing holes 121 on the beam-end plate 12. The height of the connecting post 22 is greater than the height of the beam-end plate 12, and the width of the side wall of the connecting post 22 having the second fixing hole 221 is greater than the width of the beam-end plate 12.
As shown in fig. 4 and 5, the steel beam 10 and the column 20 are assembled by: the upright post 20 is first installed at a predetermined position, and then the steel beam 10 is hoisted, so that the beam end plate 12 is attached to the side wall of the connecting column 22 having the second fixing hole 221, and the beam end plate 12 is fastened and fixed to the connecting column 22 by the fastener 30 passing through the first fixing hole 121 and the second fixing hole 221.
The above locking and fixing operation by the fastener 30 is specifically performed on a construction site, that is, after the prefabricated steel beam 10 and the prefabricated upright post 20 are transported to the construction site, the steel beam 10 and the upright post 20 are hoisted to respective mounting positions, the first fixing holes 121 on the beam end plate 12 are aligned with the second fixing holes 221 on the side wall of the connecting post 22 one by one, and then the beam end plate 12 of the steel beam 10 and the connecting post 22 of the upright post 20 are locked and fixed by the fastener 30, so that the connection between the steel beam 10 and the upright post 20 can be realized without welding operation on the construction site, the assembly speed of the beam and the upright post can be greatly improved while the connection strength of the beam and the upright post is ensured, the disassembly and the reassembling of the beam and the upright post are facilitated, the recycling of materials is realized, and the locking and fixing device can be widely applied to various steel structure buildings.
In addition, the wall thickness of the connecting column 22 is larger than that of the steel pipe column 21, and the connecting column 22 and the steel pipe column 21 are welded and fixed in a factory, so that the strength of the beam column connection can be improved while the material cost and the process complexity are not increased basically compared with a mode of directly connecting the cross beam and the steel pipe column. Meanwhile, since the fastener 30 is not fastened to the steel pipe column 21 during the connection, the connection strength of the beam and column is not affected even if the wall of the steel pipe column 21 is thin.
In particular, to facilitate the locking and securing operation, the fastener 30 is a single-sided Bolt, such as a Hollo-Blot, BOM Bolt, HSBB, ultra-Twist Bolt, or other single-sided Bolt. The single-sided bolts can improve the assembly and assembly speed of the structure, however, in practical applications, other types of fasteners, such as single-sided rivets or common bolts, can be used as the fastener 30. The fastener 30 is more advantageous to improve the construction efficiency than a common bolt by using a single-sided bolt.
In one embodiment of the present utility model, the girder body 11 of the girder 10 includes an i-steel, and the height of the girder end plate 12 is greater than the height of the web 112 of the i-steel, and the width of the girder end plate 12 is greater than the width of the flange 111 of the i-steel. The I-shaped steel has the characteristics of strong bending resistance and difficult bending, the height of the beam end plate 12 is larger than that of the web 112, and the width of the beam end plate 12 is larger than that of the flange plate 111, so that the contact area between the beam end plate 12 and the flange plate 111 and the web 112 of the I-shaped steel is maximized, and the bonding strength of the beam end plate 12 and the beam main body 11 is improved.
In order to further improve the bonding strength between the beam end plate 12 and the beam main body 11, a rib or the like may be added between the web 112 of the i-steel and the beam end plate 12. The reinforcement structure is well known in the art and will not be described in detail herein.
In one embodiment of the utility model, each flange plate 111 of the I-shaped steel is provided with an arc notch 111a, and the ratio of the distance between the arc notch 111a and the beam end plate 12 to the width of the flange plate 111 is 0.5-0.75, namely 0.5c is less than or equal to a and less than or equal to 0.75c, wherein a is the distance between the arc notch 111a and the beam end plate 12, and c is the width of the flange plate 111; the ratio of the dimension of the arc-shaped notch 111a in the length direction of the I-shaped steel to the height of the I-shaped steel is 0.65-0.85, namely 0.65d is less than or equal to b and less than or equal to 0.75d, wherein b is the dimension of the arc-shaped notch 111a in the length direction of the I-shaped steel, and d is the height of the I-shaped steel; the depth of the arc-shaped notch 111a needs to satisfy r= (4 e) 2 +b 2 ) And/8 e, wherein r is the radius of the arc gap and e is the depth of the arc gap 111a in the flange 111. The structure can lead the plastic hinge of the steel beam 10 and the upright post 20 to deviate from the node core area (namely the area where the upright post 20 is connected with the steel beam 10), but appear on the steel beam 10 with larger ductility, and can avoid larger damage to the column section at the node under the action of earthquake. Specifically, the position, size, etc. of the arc-shaped notch 111a may be adjusted according to the length, load-bearing, etc. of the steel beam 10.
In one embodiment of the present utility model, the steel pipe column 21 and the connecting column 22 are each box-shaped in cross section (i.e., a cross section perpendicular to the longitudinal direction of the column 20), and the steel pipe column 21 and the connecting column 22 are welded together with end faces abutting against each other. This structure does not need to make great changes to the existing column structure, and is favorable to the production and processing of the column 20.
In particular, the wall thickness of the connecting column 22 is 2 times the wall thickness of the steel pipe column 21. This construction allows for both the material consumption of the connector post 22 and the strength of the beam post connector structure.
Further, as shown in fig. 3, a plurality of inner partitions 24 parallel to each other and perpendicular to the inner side walls of the steel pipe column 21 are provided in the steel pipe column 21. The inner partition plate 24 can improve the strength of the steel pipe column 21 against side impact. The inner partition 24 may further have openings 241 penetrating through the upper and lower surfaces thereof, so as to facilitate the vertical penetration of the inside of the pillar 20.
In one embodiment of the present utility model, the beam end plate 12 of the steel beam 10 is a rectangular plate, and the width and thickness of the beam end plate 12 are the same as the width and thickness of the steel pipe column 21, respectively.
The assembled steel structure frame beam column connecting structure adopts a bolt connecting mode to replace a welding mode to realize beam column connection on a construction site, overcomes the relevant defects of the bolt welding connecting mode, realizes high-efficiency and reliable mechanical connection of the closed section beam column, and has the advantages of high joint connection performance, clear force transmission path, simplicity and convenience in construction and the like.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.
Claims (8)
1. The beam column connecting structure of the assembled steel structure frame is characterized by comprising steel beams, upright posts and fasteners;
the steel beam comprises a beam main body and a beam end plate prefabricated at one end part of the beam main body, the beam main body is perpendicular to the beam end plate, and the beam end plate is provided with a plurality of first fixing holes;
the upright post comprises a steel pipe column and a connecting column which is prefabricated at one end part of the steel pipe column and is coaxial with the steel pipe column, the cross section shape and the dimension of the connecting column are the same, the wall thickness of the connecting column is larger than that of the steel pipe column, and one side wall of the connecting column is provided with a plurality of second fixing holes; the height of the connecting column is larger than that of the beam end plate, and the width of the side wall of the connecting column with the second fixing hole is larger than that of the beam end plate;
the steel beam and the upright post are attached to the side wall of the connecting column through the beam end plate, which is provided with a second fixing hole, and are locked and fixed through a fastener penetrating through the first fixing hole and the second fixing hole.
2. The fabricated steel structure frame beam-column connection structure according to claim 1, wherein the beam body is composed of i-steel.
3. The fabricated steel structure frame beam-column connection structure according to claim 2, wherein each flange plate of the i-shaped steel has an arc-shaped notch, and a ratio of a distance between the arc-shaped notch and the beam end plate to a width of the flange plate is 0.5-0.75, and a ratio of a dimension of the arc-shaped notch in a length direction of the i-shaped steel to a height of the i-shaped steel is 0.65-0.85.
4. The beam column connection structure of the fabricated steel structure frame according to claim 1, wherein the cross sections of the steel pipe column and the connection column are box-shaped, and the steel pipe column and the connection column are welded and fixed together in a manner of abutting end faces.
5. The beam column connection structure of the fabricated steel structure frame according to claim 4, wherein a plurality of inner partition plates which are parallel to each other and perpendicular to the inner side wall of the steel pipe column are arranged in the steel pipe column.
6. The fabricated steel structure frame beam column connection structure according to claim 1, wherein the wall thickness of the connection column is 2 times the wall thickness of the steel pipe column.
7. The fabricated steel structure frame beam-column connection structure according to claim 6, wherein the beam end plates are rectangular plates, and the width and thickness of the beam end plates are the same as the width and thickness of the steel pipe column, respectively.
8. The fabricated steel structure frame beam-column connection structure according to any one of claims 1 to 7, wherein the fastener is a single-sided bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321863043.3U CN220538864U (en) | 2023-07-14 | 2023-07-14 | Assembled steel structure frame beam column connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321863043.3U CN220538864U (en) | 2023-07-14 | 2023-07-14 | Assembled steel structure frame beam column connection structure |
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| Publication Number | Publication Date |
|---|---|
| CN220538864U true CN220538864U (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321863043.3U Active CN220538864U (en) | 2023-07-14 | 2023-07-14 | Assembled steel structure frame beam column connection structure |
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| Country | Link |
|---|---|
| CN (1) | CN220538864U (en) |
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2023
- 2023-07-14 CN CN202321863043.3U patent/CN220538864U/en active Active
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