CN213038987U - Through node for welding lower bolt partition plate on square steel tube concrete column-steel beam - Google Patents
Through node for welding lower bolt partition plate on square steel tube concrete column-steel beam Download PDFInfo
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- CN213038987U CN213038987U CN202021309058.1U CN202021309058U CN213038987U CN 213038987 U CN213038987 U CN 213038987U CN 202021309058 U CN202021309058 U CN 202021309058U CN 213038987 U CN213038987 U CN 213038987U
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Abstract
A through node for welding a lower bolt partition plate on a square steel tube concrete column-steel beam belongs to the field of structural engineering. The first flange plate and the second flange plate are respectively welded with two ends of the square steel tube concrete column; the first through partition plate and the second through partition plate are respectively connected with the first flange plate and the second flange plate through high-strength bolts, the first through partition plate and the second through partition plate are respectively connected with the upper end and the lower end of the square concrete-filled steel tube center column in a welding mode, the extending arm of the first through partition plate is connected with the upper flange of the corresponding bracket steel beam in a welding mode, and the extending arm of the second through partition plate is connected with the lower flange of the corresponding bracket steel beam through high-strength bolts; the column wall of the square steel tube concrete column is connected with one end of the corresponding web connecting plate in a welding mode, and the other end of the web connecting plate is connected with the web of one end of the corresponding bracket steel beam through a high-strength bolt. The utility model discloses a weld down bolt hybrid connection on, the scene installation is taken one's place soon, can obviously shorten construction period, promotes the assembly process.
Description
Technical Field
The utility model relates to a node, in particular to bolt baffle link up node under welding on square steel core concrete column-girder steel belongs to structural engineering technical field.
Background
Steel pipe concrete structures are widely used in steel concrete composite structures, and the steel pipe concrete structures are formed by pouring concrete into steel pipes and tamping the concrete to increase the strength and rigidity of the steel pipes. The structure gives full play to the advantages of two materials, namely the steel pipe and the concrete, has the advantages of high bearing capacity, good plasticity and toughness, convenience in construction and the like, and is widely applied to structures such as single-layer and multi-layer industrial factory building columns, high-rise buildings, bridges and the like.
The existing node structure of the square steel tube concrete column and the steel beam is complex in construction, the welding seam is concentrated, the construction efficiency is influenced, safety accidents are easily caused when the welding seam is damaged accidentally, and the existing node structure of the square steel tube concrete column and the steel beam is poor in stress capability, uneven in stress and easy to deform.
The rectangular concrete-filled steel tube column-steel beam connecting node recommended by the technical Specification for rectangular concrete-filled steel tube structures (CECS159:2004) in China comprises four types: the inner partition plate type connection, the inner partition plate type connection with the short beam, the outer ring plate type connection and the partition plate through type connection. The partition through connection comprises a lower bolt and a partition through node welded on the lower bolt. The inner partition plate type node is not easy to weld, and the pouring of concrete in the pipe is influenced, so that the inner partition plate type node is influenced by the side length of the concrete filled steel pipe column in application. The outer ring plate type node needs a large enough horizontal ring plate to ensure the strength of the node, so that the steel consumption is obviously increased. The partition plate through node integral node section can be prefabricated in a factory, the acceptance mechanism is clear, buckling deformation of a column wall can be reduced, the bearing capacity is high, and the seismic requirements of 'strong nodes and weak members' of the structure can be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the not enough of prior art, provide a bolt baffle link up node under welding on the square steel core concrete column-girder steel that the atress is more reasonable, construction convenience is swift. The utility model discloses both considered to form the plasticity hinge on the roof beam and reached in the aspect of absorption and dissipation earthquake, avoided the adverse effect of lower flange welding seam defect to node anti-seismic performance again, construction convenience is swift, reduces because of the construction difficulty that construction error caused, delays the condition such as time limit for a project, therefore compares with other nodes, has reduced the cost.
In order to achieve the above object, the utility model provides a following technical scheme: a through node of a square steel tube concrete column and a steel beam upper welded lower bolt partition plate comprises the square steel tube concrete column, two flange plates, two through partition plates, a web connecting plate and a bracket steel beam, wherein the two first flange plates and the second flange plates are respectively welded with the square steel tube concrete upper column and the square steel tube concrete lower column, the two first through partition plates and the second through partition plates are respectively connected with the first flange plates and the second flange plates through high-strength bolts, the two first through partition plates and the second through partition plates are respectively welded with the upper end and the lower end of the square steel tube concrete middle column, the two through partition plates are respectively provided with two-direction extending arms, the extending arms of the first through partition plates are welded with the corresponding bracket steel beam upper flanges, and the extending arms of the second through partition plates are connected with the corresponding bracket steel beam lower flanges through high-strength bolts, one end of the web connecting plate is connected with the column wall of the square steel tube concrete column corresponding to the web connecting plate in a welding mode, and the other end of the web connecting plate is connected with the web of the bracket steel beam corresponding to the web connecting plate through a high-strength bolt.
As an optimal technical scheme of the utility model, two first flange board and second flange board respectively with the welded connection of square steel pipe concrete upper prop and square steel pipe concrete lower prop.
As a preferred technical scheme of the utility model, two first through baffle and second link up the baffle and pass through high strength bolt connection, two with first flange board and second flange board respectively first through baffle and second link up the baffle respectively with square steel pipe concrete center pillar upper end and lower extreme welded connection.
As a preferred technical scheme of the utility model, two link up the cantilever that the baffle all was equipped with two directions, first through the cantilever of baffle and the bracket girder steel top flange welded connection that corresponds, the second link up the cantilever of baffle and the bracket girder steel bottom flange that corresponds and pass through high strength bolt and connect.
As the utility model discloses an optimal technical scheme, the one end of web connecting plate and the square steel core concrete column wall welded connection who corresponds thereof, the other end of web connecting plate and the bracket girder steel web that corresponds thereof are through high strength bolt connection.
Compared with the prior art, the beneficial effects of the utility model are that: the processing and the manufacturing are simple, and only one welding seam between the first through partition plate extending arm and the upper flange of the bracket steel beam needs to be welded on site; the first through clapboard and the second through clapboard are integrally formed with an extending arm which has the same width as the flange of the bracket steel beam and adopts circular arc transition, the upper flange of the bracket steel beam and the first through clapboard adopt full penetration groove welding seams, meanwhile, the extending length of the extending arm of the second through clapboard is large, and the extending arm is connected with the lower flange of the bracket steel beam through a high-strength bolt, so that the bearing capacity of the hogging moment area of the bracket steel beam is greatly enhanced, the adverse effect of weld defects is avoided, the stress concentration caused by welding is effectively prevented, good anti-seismic performance is provided, the square steel pipe concrete column welded with the flange plate is connected with the through clapboard through a bolt, the defects that the field welding amount is large and the welding quality cannot be ensured are avoided, because the clapboard is a thick steel plate, the arrangement avoids the laminar tearing of the clapboard caused by the secondary welding of the through clapboard, the structure is simple, the force transmission is clear, the stress performance is better than that of the similar nodes, and the manufacturing cost is reduced in each link.
Drawings
FIG. 1 is a schematic view of the three-dimensional exploded structure of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
fig. 3 is a left side view structure diagram of the present invention;
fig. 4 is a schematic top view of the present invention.
In the figure: 1. a square steel tube concrete upper column; 2. a square steel tube concrete center column; 3. a square steel pipe concrete lower column; 4. a first flange plate; 5. a second flange plate; 6. a first through partition; 7. a second through partition; 8. a web connecting plate; 9. an upper flange of the bracket steel beam; 10. a corbel steel beam web; 11. a bracket steel beam lower flange; 12. high-strength bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the utility model provides a square steel tube concrete column-steel beam upper welding lower bolt clapboard through joint, which comprises a square steel tube concrete upper column 1, a square steel tube concrete center column 2, a square steel tube concrete lower column 3, a first flange plate 4, a second flange plate 5, a first through clapboard 6, a second through clapboard 7, a web connecting plate 8, a bracket steel beam upper flange 9, a bracket steel beam web 10, a bracket steel beam lower flange 11 and a high-strength bolt 12, wherein the first flange plate 4 and the second flange plate 5 are respectively connected with the square steel tube concrete upper column 1 and the square steel tube concrete center column 3 by welding, the first through clapboard 6 and the second through clapboard 7 are respectively connected with the first flange plate 4 and the second flange plate 5 by the high-strength bolt 12, the first through clapboard 6 and the second through clapboard 7 are respectively connected with the upper end and the lower end of the square steel tube concrete center column 2 by welding, the two penetrating partition plates are provided with extending arms in two directions, the extending arm penetrating the partition plate 6 is connected with the upper flange 9 of the corresponding bracket steel beam in a welded mode, the extending arm penetrating the partition plate 7 is connected with the lower flange 11 of the corresponding bracket steel beam in a welded mode through a high-strength bolt 12, one end of a web connecting plate 8 is connected with the column wall of the corresponding square steel tube concrete column in a welded mode, and the other end of the web connecting plate 8 is connected with the web 10 of the corresponding bracket steel beam through the high-strength bolt 12.
Preferably, the first through partition plate 6 and the first flange plate 4 are fixedly connected through high-strength bolts 12, the second through partition plate and the second flange plate 7 are fixedly connected through high-strength bolts 12, the defects that field welding amount is large and welding quality cannot be guaranteed are overcome, and due to the fact that the through partition plate is a thick steel plate, the phenomenon that the layer shape of the partition plate is torn due to secondary welding of the through partition plate is avoided.
Preferably, the two through partition plates are provided with extending arms in two directions, the extending arms are equal in width to flanges of the bracket steel beams and are in arc transition, the extending arms of the first through partition plate 6 are in welded connection with the corresponding upper flanges 9 of the bracket steel beams, the beam ends are weakened to enable the plastic hinges to move outwards, and the seismic requirements of strong nodes, weak members and strong columns and weak beams are met.
Preferably, the extension arm of the second through partition plate 7 is connected with the corresponding lower flange 11 of the bracket steel beam through the high-strength bolt 12, and the extension arm is long, so that the bearing capacity of the hogging moment area of the bracket steel beam is greatly enhanced, the adverse effect of weld defects is avoided, the stress concentration caused by welding is effectively prevented, and good anti-seismic performance is provided.
Preferably, one end of the web connecting plate 8 is connected with the column wall of the corresponding square steel tube concrete column in a welding mode, and the other end of the web connecting plate 8 is connected with the web 10 of the corresponding bracket steel beam through the high-strength bolt 12, so that the square steel tube concrete column and the bracket steel beam are accurately positioned on site and are conveniently connected.
When the square steel tube concrete column-steel beam upper welding lower bolt partition plate through node is used, in a factory, a first flange plate 4 and a second flange plate 5 are respectively welded with a square steel tube concrete upper column 1 and a square steel tube concrete lower column 3, two web connecting plates 8 are then welded with the wall of the square steel tube concrete column, so that the square steel tube concrete column and a bracket steel beam can be accurately positioned and conveniently connected in the field, then the first through partition plate 6 and the second through partition plate 7 are respectively welded with the upper end and the lower end of the square steel tube concrete middle column 2, then the first flange plate 4 and the second flange plate 5 are respectively connected and fixed with the first through partition plate 6 and the second through partition plate 7 through high-strength bolts 12, the defects that the field welding amount is large and the welding quality cannot be guaranteed are avoided, and the phenomenon that the layer-shaped partition plate is torn due to the secondary welding of the through partition plates is also avoided, in the field, the web connecting plate 8 and the web 10 of the bracket steel beam are fixedly connected through the high-strength bolt 12, then the extension arm of the second through partition plate 7 and the lower flange 11 of the bracket steel beam are fixedly connected through the high-strength bolt 12, so that the bearing capacity of the hogging moment area of the bracket steel beam is greatly enhanced, the adverse effect of weld defects is avoided, the stress concentration caused by welding is effectively prevented, good anti-seismic performance is provided, and finally the extension arm of the first through partition plate 6 is welded and connected with the upper flange 9 of the bracket steel beam.
In the description of the present invention, it should be understood that the terms "corresponding to", "one end", "upper end", "lower end", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A through node of a square steel tube concrete column and a steel beam upper welded lower bolt clapboard comprises a square steel tube concrete upper column (1), a square steel tube concrete center column (2), a square steel tube concrete lower column (3), a first flange plate (4), a second flange plate (5), a first through clapboard (6), a second through clapboard (7), a web connecting plate (8), a bracket steel beam upper flange (9), a bracket steel beam web (10) and a bracket steel beam lower flange (11), and is characterized in that the two first flange plates (4) and the second flange plate (5) are respectively connected with the square steel tube concrete upper column (1) and the square steel tube concrete lower column (3) in a welding way, the two first through clapboards (6) and the second through clapboard (7) are respectively connected with the first flange plates (4) and the second flange plates (5) through high-strength bolts (12), two first logical baffle (6) and second link up baffle (7) and square steel pipe concrete center pillar (2) upper end and lower extreme welded connection respectively, two link up the cantilever that the baffle all was equipped with two directions, first logical arm and its bracket girder steel top flange (9) welded connection who corresponds that stretches through baffle (6), the cantilever that the second link up baffle (7) is connected through high strength bolt (12) rather than bracket girder steel bottom flange (11) that corresponds, the one end of web connecting plate (8) and its square steel pipe concrete column wall welded connection who corresponds, the other end of web connecting plate (8) and its bracket girder steel web (10) that corresponds are connected through high strength bolt (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021309058.1U CN213038987U (en) | 2020-07-07 | 2020-07-07 | Through node for welding lower bolt partition plate on square steel tube concrete column-steel beam |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021309058.1U CN213038987U (en) | 2020-07-07 | 2020-07-07 | Through node for welding lower bolt partition plate on square steel tube concrete column-steel beam |
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| CN213038987U true CN213038987U (en) | 2021-04-23 |
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| CN202021309058.1U Active CN213038987U (en) | 2020-07-07 | 2020-07-07 | Through node for welding lower bolt partition plate on square steel tube concrete column-steel beam |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738149A (en) * | 2021-09-09 | 2021-12-03 | 陕西建工机械施工集团有限公司 | External T shaped steel symmetry reinforced structure of existing steel-pipe column |
| CN114856087A (en) * | 2022-06-23 | 2022-08-05 | 福建农林大学 | Full-prefabricated assembled concrete-filled steel tube composite column connecting node and construction method |
-
2020
- 2020-07-07 CN CN202021309058.1U patent/CN213038987U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738149A (en) * | 2021-09-09 | 2021-12-03 | 陕西建工机械施工集团有限公司 | External T shaped steel symmetry reinforced structure of existing steel-pipe column |
| CN114856087A (en) * | 2022-06-23 | 2022-08-05 | 福建农林大学 | Full-prefabricated assembled concrete-filled steel tube composite column connecting node and construction method |
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