CN217974809U - Connecting node of steel pipe concrete superposed column and section steel beam or section steel truss - Google Patents
Connecting node of steel pipe concrete superposed column and section steel beam or section steel truss Download PDFInfo
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- CN217974809U CN217974809U CN202221782625.4U CN202221782625U CN217974809U CN 217974809 U CN217974809 U CN 217974809U CN 202221782625 U CN202221782625 U CN 202221782625U CN 217974809 U CN217974809 U CN 217974809U
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Abstract
The utility model relates to the technical field of buildings, in particular to a connecting node of a concrete filled steel tube superposed column and a section steel beam or a section steel truss, which comprises the concrete filled steel tube superposed column and the section steel beam or the section steel truss; a steel pipe and a plurality of column longitudinal ribs are arranged in the steel pipe concrete superposed column; the section steel beam or the section steel truss is connected with the steel pipe, the column longitudinal ribs in the node area are arranged at the position of the section steel beam or the section steel truss in a disconnected mode, and straight thread sleeves used for being connected with the disconnected column longitudinal ribs are arranged on the upper flange plate and the lower flange plate of the section steel beam or the section steel truss respectively. The utility model discloses a connected node simple structure, construction convenience through indulge the muscle disconnection with the regional interior post of node and set up and weld the straight thread sleeve on the upper and lower flange plate of shaped steel truss respectively, with the both ends of the muscle disconnection of indulging of post respectively with the straight thread muffjoint on the upper and lower flange plate in the work progress again, can solve the post effectively and indulge the muscle can't walk around or pass the problem that link up from top to bottom in shaped steel roof beam or shaped steel truss edge of a wing scope.
Description
Technical Field
The utility model relates to a building (structure) main body engineering technical field, concretely relates to connected node of steel pipe concrete superposed column and shaped steel roof beam or shaped steel truss.
Background
The steel pipe concrete superposed column is a combined structure of steel pipe concrete and reinforced concrete which bear the force together, integrates the advantages of high bearing capacity, good anti-seismic performance, good ductility and the like of the steel pipe concrete and the reinforced concrete, can greatly reduce the section size of the column, promotes the use space of a building, has good economic benefit and practical value, and is widely applied to large-scale public construction projects and super high-rise projects. From the constitution, the steel pipe concrete composite column has certain similarity with a steel pipe concrete column and a steel pipe concrete column, but is different from the steel pipe concrete column: compared with a steel reinforced concrete column, the steel-contained rate of the steel-pipe concrete composite column is lower, the bearing capacity is higher, and the steel-pipe concrete composite column has greater economic advantages; compared with a concrete-filled steel tube column, the concrete-filled steel tube composite column has better fireproof and anticorrosion performances.
However, the connection node of the concrete-filled steel tube composite column and the section steel beam or the section steel truss has the problem that steel bars collide with the section steel, and particularly when the concrete-filled steel tube composite column is obliquely connected with the section steel beam or the section steel truss, the vertical steel bars in the column cannot bypass the flange of the oblique steel beam or penetrate through the flange of the steel beam to penetrate through the flange of the oblique steel beam.
Disclosure of Invention
In order to overcome the not enough of above-mentioned prior art existence, the utility model aims at providing a connected node of steel pipe concrete superposed column and shaped steel roof beam can solve the post effectively and indulge the muscle and can't bypass or pass the problem that link up from top to bottom on the edge of a wing at the shaped steel truss edge of a wing scope, reduces the degree of difficulty of site operation, guarantees the node quality, the engineering of specially adapted steel pipe concrete superposed column and shaped steel roof beam or shaped steel truss skew.
In order to achieve the purpose, the technical scheme of the utility model is a connecting node of a concrete filled steel tube superposed column and a section steel beam or a section steel truss, which comprises the concrete filled steel tube superposed column and the section steel beam or the section steel truss; a steel pipe and a plurality of column longitudinal bars arranged at intervals around the steel pipe are arranged in the steel pipe concrete superposed column; the section steel beam or the section steel truss is connected with the steel pipe, the column longitudinal rib in the node area is arranged at the position of the section steel beam or the section steel truss in a disconnected mode, and straight thread sleeves used for being connected with the column longitudinal rib in the disconnected mode are arranged on the upper flange plate and the lower flange plate of the section steel beam or the section steel truss respectively.
Furthermore, the section steel beam or the section steel truss is connected with the concrete filled steel tube superposed column in an orthogonal or oblique mode, and the straight thread sleeve is matched with the connecting surface of the section steel beam or the section steel truss.
Furthermore, the section steel beam is connected with the steel pipe, and the straight thread sleeves are respectively arranged on the two flange plates of the section steel beam; and a first vertical stiffening plate is arranged at the position, corresponding to the column longitudinal rib, on the web plate of the section steel beam.
Furthermore, the section steel truss comprises the section steel beam and an inclined web member, two flange plates of the inclined web member are respectively connected with one flange plate of the section steel beam and the steel pipe, and one flange plate of the inclined web member connected with the steel pipe and the other flange plate of the section steel beam are respectively provided with the straight thread sleeve; and a first vertical stiffening plate is arranged at the position, corresponding to the column longitudinal bar, on the web plate of the diagonal web member.
Furthermore, a second vertical stiffening plate is arranged on a web plate of the section steel beam, and the vertical stiffening plate is opposite to a flange plate connected with the section steel beam on the inclined web member.
Furthermore, a stiffening ring plate is arranged in the steel pipe corresponding to the position connected with the section steel beam or the flange plate of the section steel truss.
Furthermore, a third vertical stiffening plate is arranged at a position between the upper stiffening ring plate and the lower stiffening ring plate, which is opposite to the section steel beam or the web plate in the section steel truss.
Furthermore, a plurality of air outlet holes are formed in the stiffening ring plate at intervals.
Furthermore, the inner wall of the area, corresponding to the section steel beam or the section steel truss, on the steel pipe is thickened.
Furthermore, the web plate of the area, connected with the concrete-filled steel tube composite column, on the section steel beam or the section steel truss is thickened.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) The utility model discloses a connected node simple structure, construction convenience, through setting up the disconnection of the interior post longitudinal bar of node region and welding straight thread sleeve respectively on the upper and lower flange plate of shaped steel roof beam or shaped steel truss, connect the both ends that the post longitudinal bar was disconnected with the straight thread sleeve on upper and lower flange plate respectively in the work progress, can solve the problem that the post longitudinal bar can't bypass or pass through from top to bottom on the flange scope of shaped steel roof beam or shaped steel truss effectively;
(2) The welding surface of the straight thread sleeve in the utility model is attached to the welding position of the flange plate, and the straight thread sleeve with the curved surface of the flange plate is subjected to special-shaped section finish machining, so that the weldability and the connection quality of the straight thread sleeve and the flange plate are ensured;
(3) The utility model adopts the connection form of combining the straight thread sleeve connection and the welding connection, which can accelerate the construction progress, reduce the on-site welding amount, save the construction period, optimize the steel structure construction beam column joint, reduce the construction difficulty of the cross part and ensure the construction quality;
(4) The utility model discloses an increase vertical stiffening plate and stiffening ring board, to multiple measures such as node position department steel pipe inner wall thickening, to node position department shaped steel roof beam or shaped steel truss web thickening increase connected node intensity, guarantee the connected node quality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a top view of a connection node between a concrete filled steel tube composite column and a section steel beam provided in an embodiment of the present invention;
FIG. 2 isbase:Sub>A view A-A of FIG. 1;
in the figure: 1. a steel tube concrete superposed column; 101. a steel pipe; 102. a column longitudinal bar; 2. a section steel beam; 3. a straight threaded sleeve; 4. a first vertical stiffener; 5. a second vertical stiffener; 6. a stiffening ring plate; 7. a third vertical stiffener; 8. an air outlet; 9. a web thickening region; 10. a concrete beam; 11. a stud; 12. a diagonal web member.
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 efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1-2, an embodiment of the present invention provides a connection node between a concrete filled steel tube composite column and a section steel beam or a section steel truss, including a concrete filled steel tube composite column 1 and a section steel beam 2 or a section steel truss; a steel pipe 101 and a plurality of column longitudinal ribs 102 which are arranged around the steel pipe 101 at intervals are arranged in the steel pipe concrete composite column 1; the steel beam 2 or the steel truss is internally connected with the steel pipe 101, the column longitudinal rib 102 in the node area is arranged at the position of the steel beam 2 or the steel truss in a disconnected mode, and the upper flange plate and the lower flange plate of the steel beam 2 or the steel truss are respectively provided with a straight thread sleeve 3 used for being connected with the column longitudinal rib 102 in the disconnected mode. In the embodiment, the column longitudinal rib 102 in the node area is disconnected and arranged, and the straight threaded sleeves 3 are welded on the upper flange plate and the lower flange plate of the section steel beam 2 or the section steel truss respectively, and then the two ends of the column longitudinal rib 102 in the construction process are connected with the straight threaded sleeves 3 on the upper flange plate and the lower flange plate respectively, so that the problem that the column longitudinal rib 102 cannot bypass or penetrate through the flange in the flange range of the section steel truss and is communicated up and down can be effectively solved.
Furthermore, shaped steel roof beam 2 or shaped steel truss with steel pipe concrete superposed column 1 quadrature or the skew is continuous, straight thread sleeve 3 with shaped steel roof beam 2 or the connection face phase-match of shaped steel truss. In the embodiment, a straight thread sleeve can be welded at a position corresponding to a flange plate on a section steel beam 2 or a section steel truss in a factory, and the section steel plate with a curved surface is subjected to finish machining on a special-shaped section of the straight thread sleeve, so that the welding surface of the straight thread sleeve is attached to the welding position of the flange plate, the weldability and the connection quality of the straight thread sleeve and the flange plate are ensured, and cutting and chamfering are performed according to different welding positions, as shown in fig. 2; in the construction process, the end part of the disconnected column longitudinal rib 102 is directly threaded and then screwed into the straight thread sleeve. Optimally, the straight thread sleeve of this embodiment adopts extension sleeve, and its length is greater than the length (10 mm) of standard sleeve, reduces post longitudinal bar 102 junction construction error.
When welding the straight thread sleeve, firstly carrying out CO 2 Fixing the straight thread sleeve by gas shielded welding spot welding, and then adopting CO 2 And welding the straight threaded sleeve by gas shielded welding, performing self-inspection on a welding line after welding, reporting and supervising, checking and accepting, and performing the next procedure after a flaw detection report is qualified.
Further, the section steel beam 2 is connected with the steel pipe 101, and the straight thread sleeves 3 are respectively arranged on two flange plates of the section steel beam 2; and a first vertical stiffening plate 4 is arranged on the web plate of the section steel beam 2 corresponding to the column longitudinal rib 102. The shaped steel truss of this embodiment can be by two shaped steel roof beams 2 about with erect the web member and constitute, correspond the post of disconnection on two flange plates of two shaped steel roof beams 2 about and indulge muscle 102 position department and all weld straight thread bush 3 to indulge the disconnection department of muscle 102 and be connected with the straight thread bush 3 that corresponds with the post respectively.
Furthermore, the steel truss comprises the section steel beam 2 and a diagonal web member 12, two flange plates of the diagonal web member 12 are respectively connected with one flange plate of the section steel beam 2 and the steel pipe 101, and one flange plate of the diagonal web member 12 connected with the steel pipe 101 and the other flange plate of the section steel beam 2 are respectively provided with the straight thread sleeve 3; a first vertical stiffening plate 4 is arranged on the web plate of the diagonal web member 12 corresponding to the column longitudinal rib 102. The steel truss of the embodiment can further comprise an inclined web member 12, two ends of the inclined web member 12 are respectively connected with the upper section steel beam 2 and the lower section steel beam 2, the upper end of the inclined web member 12 is simultaneously connected with the section steel beams 2 and the steel pipes 101, straight threaded sleeves 3 are welded at positions, corresponding to the disconnected column longitudinal ribs 102, on the top surface of the upper flange plate of the section steel beam 2 and the bottom surface of the lower flange plate of the inclined web member 12, and the disconnected positions of the column longitudinal ribs 102 are respectively connected with the corresponding straight threaded sleeves 3; the first vertical stiffening plate 4 is additionally arranged at the position, right opposite to the straight threaded sleeve 3, on the web plate of the section steel beam 2, and the first vertical stiffening plate 4 and the section steel beam 2 are in equal-strength connection through groove welding.
Furthermore, a second vertical stiffening plate 5 is arranged on a web plate of the section steel beam 2, and the vertical stiffening plate is opposite to a flange plate connected with the section steel beam 2 on the diagonal web member 12. As shown in fig. 2, the upper and lower ends of the second vertical stiffening plate 5 are respectively welded to the two flange plates of the section steel beam 2, the side edges are welded to the web plate of the section steel beam 2, and the upper flange plates of the second vertical stiffening plate 5 and the diagonal web member 12 are connected to the same position of the lower flange plate of the section steel beam 2.
Furthermore, a stiffening ring plate 6 is arranged in the steel pipe 101 corresponding to the position connected with the section steel beam 2 or the flange plate of the section steel truss. As shown in fig. 2, in this embodiment, stiffening ring plates 6 are respectively disposed at positions of two flange plates facing the section steel beam 2 and a lower flange plate of the diagonal web member 12 in the steel pipe 101, and an outer side surface of the stiffening ring plate 6 is welded to an inner wall of the steel pipe 101, so that strength at a node is increased.
Furthermore, a third vertical stiffening plate 7 is arranged at a position between the upper stiffening ring plate 6 and the lower stiffening ring plate 6, which is opposite to the section steel beam 2 or the web plate in the section steel truss. As shown in fig. 2, in this embodiment, a third vertical stiffener 7 is disposed between the upper and lower adjacent stiffener ring plates 6, two ends of the third vertical stiffener 7 are respectively welded to the upper and lower stiffener ring plates 6, the side edge is welded to the inner wall of the steel pipe 101, and the third vertical stiffener 7 is directly opposite to the web of the section steel beam 2 or the web of the diagonal web member 12.
Furthermore, a plurality of air outlet holes 8 are arranged on the stiffening ring plate 6 at intervals. As shown in fig. 1, a plurality of air outlets 8 are circumferentially spaced on each stiffening ring plate 6.
Furthermore, the inner wall of the area, corresponding to the section steel beam 2 or the section steel truss, in the steel pipe 101 is thickened. As shown in fig. 2, in this embodiment, a region of the steel pipe 101 connected to the section steel beam 2 or the section steel truss extends upward and downward for a certain distance to serve as a steel pipe thickened section, and the inner wall of the steel pipe thickened section is thickened to further increase the connection strength at the node. Optimally, the thickness of the steel pipe thickening section in the steel pipe 101 is twice of the thickness of the normal thickness section, and the two ends of the steel pipe thickening section are transited to the normal thickness section by adopting inclined planes.
Furthermore, the web plate of the area, connected with the concrete filled steel tube composite column 1, on the section steel beam 2 or the section steel truss is thickened. As shown in fig. 2, in this embodiment, the areas between the right side of the second vertical stiffener 5 and the steel pipes 101 and between the right side of the first vertical stiffener 4 and the steel pipes 101 are used as the web thickening regions 9, and the web of the web thickening regions 9 is thickened to further increase the connection strength at the node.
Furthermore, a plurality of studs 11 are arranged on the steel pipe 101 and the flange plate of the section steel beam 2. In the embodiment, the studs 11 can be welded at corresponding positions when the steel pipe 101 and the section steel truss are manufactured, and when the steel pipe concrete composite column 1 and the section steel beam 2 or the section steel truss are constructed, the studs 11 are embedded into corresponding concrete, so that the reliable connection between the steel pipe 101 and external concrete and the reliable connection between the section steel beam 2 or the section steel truss and the concrete are increased; the number of pegs 11 is determined according to the actual situation.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a connected node of steel pipe-concrete composite column and shaped steel roof beam or shaped steel truss which characterized in that: the steel pipe concrete composite column comprises a steel pipe concrete composite column and a section steel beam or a section steel truss; a steel pipe and a plurality of column longitudinal bars arranged at intervals around the steel pipe are arranged in the steel pipe concrete superposed column; the section steel beam or the section steel truss is connected with the steel pipe, the column longitudinal rib in the node area is arranged at the position of the section steel beam or the section steel truss in a disconnected mode, and straight thread sleeves used for being connected with the column longitudinal rib in the disconnected mode are arranged on the upper flange plate and the lower flange plate of the section steel beam or the section steel truss respectively.
2. The connection node of the concrete filled steel tube composite column and the section steel beam or the section steel truss according to claim 1, wherein: the section steel beam or the section steel truss is connected with the concrete filled steel tube superposed column in an orthogonal or oblique mode, and the straight thread sleeve is matched with the connecting surface of the section steel beam or the section steel truss.
3. The connection node of the concrete filled steel tube composite column and the section steel beam or the section steel truss according to claim 1 or 2, wherein: the section steel beam is connected with the steel pipe, and the straight thread sleeves are respectively arranged on the two flange plates of the section steel beam; and a first vertical stiffening plate is arranged at the position, corresponding to the column longitudinal rib, on the web plate of the section steel beam.
4. The connection node of the concrete filled steel tube composite column and the section steel beam or the section steel truss according to claim 3, wherein: the section steel truss comprises the section steel beam and an inclined web member, two flange plates of the inclined web member are respectively connected with one flange plate of the section steel beam and the steel pipe, and one flange plate connected with the steel pipe on the inclined web member and the other flange plate of the section steel beam are respectively provided with the straight thread sleeve; and a first vertical stiffening plate is arranged at the position, corresponding to the column longitudinal rib, on the web plate of the diagonal web member.
5. The connection node of the concrete filled steel tube composite column and the section steel beam or the section steel truss according to claim 4, wherein: and a second vertical stiffening plate is arranged on the web plate of the section steel beam, and the vertical stiffening plate is just opposite to one flange plate connected with the section steel beam on the inclined web member.
6. The connection node of the concrete filled steel tube composite column and the section steel beam or the section steel truss according to claim 1, wherein: and a stiffening ring plate is arranged in the steel pipe corresponding to the position connected with the profiled steel beam or the flange plate of the profiled steel truss.
7. The connection node of the concrete filled steel tube composite column and the section steel beam or the section steel truss according to claim 6, wherein: and a third vertical stiffening plate is arranged at the position between the upper stiffening ring plate and the lower stiffening ring plate which are adjacent to each other and is right opposite to the section steel beam or the web plate in the section steel truss.
8. The connection node of the concrete filled steel tube composite column and the section steel beam or the section steel truss according to claim 6, wherein: and a plurality of air outlet holes are formed in the stiffening ring plate at intervals.
9. The connection node of the concrete filled steel tube composite column and the section steel beam or the section steel truss according to claim 1, wherein: the steel pipe is thickened corresponding to the inner wall of the area connected with the section steel beam or the section steel truss.
10. The connection node of the concrete filled steel tube composite column and the section steel beam or the section steel truss according to claim 1, wherein: and the area web plate connected with the concrete-filled steel tube superposed column on the section steel beam or the section steel truss is thickened.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221782625.4U CN217974809U (en) | 2022-07-12 | 2022-07-12 | Connecting node of steel pipe concrete superposed column and section steel beam or section steel truss |
Applications Claiming Priority (1)
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CN202221782625.4U CN217974809U (en) | 2022-07-12 | 2022-07-12 | Connecting node of steel pipe concrete superposed column and section steel beam or section steel truss |
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CN217974809U true CN217974809U (en) | 2022-12-06 |
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CN202221782625.4U Active CN217974809U (en) | 2022-07-12 | 2022-07-12 | Connecting node of steel pipe concrete superposed column and section steel beam or section steel truss |
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