CN213709898U - Novel assembled wrapped beam column rigid connection node - Google Patents
Novel assembled wrapped beam column rigid connection node Download PDFInfo
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- CN213709898U CN213709898U CN202021962438.5U CN202021962438U CN213709898U CN 213709898 U CN213709898 U CN 213709898U CN 202021962438 U CN202021962438 U CN 202021962438U CN 213709898 U CN213709898 U CN 213709898U
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Abstract
The utility model discloses a novel assembled externally-wrapped beam column rigid connection node, which aims to overcome the problems that the cross section of a steel column cannot be too small due to the requirement of a partition plate connection node and the cross section of the steel column cannot be too large due to the requirement of a building function in the prior engineering practice, and comprises a rectangular steel pipe concrete column and a rectangular steel pipe; the rectangular steel pipe is provided with a rectangular frame-shaped mounting part, and the outer side of the mounting part is provided with a long side surface and a short side surface; the H-shaped steel beam is provided with a beam upper flange, a beam lower flange and a beam web; the connecting plates are arranged on two sides of the beam web; the bracket is provided with a bracket upper flange, a bracket lower flange and a bracket web; the bracket upper flange is parallel to the bracket lower flange, and the bracket web is arranged between the bracket upper flange and the bracket lower flange. The utility model provides a novel assemble outer packet mode beam column rigid connection node, the node form is simple, and processing convenient and fast passes the power route clearly and definitely, can satisfy the power demand that passes of beam column rigid connection node, can not form the separation to pouring of intraductal concrete simultaneously.
Description
Technical Field
The utility model relates to a building engineering technical field especially relates to a novel outer packet mode beam column rigid connection node of assembly.
Background
In a multi-story high-rise steel structure, rigid connection of steel beams and steel columns is the most basic measure for providing the overall rigidity and the seismic performance of the structure. The steel column is provided with a transverse partition plate corresponding to the beam flange, and the internal force of the beam flange is transmitted to the steel column through the transverse partition plate so as to ensure the safety of the joint.
In order to solve the problem of indoor convex columns, technical personnel in the industry propose a form of adopting rectangular concrete-filled steel tube columns so as to meet the requirements of houses on steel structure systems. On the rectangular steel tube concrete column, the size of the short side of the rectangular steel tube concrete column is equal to the thickness of the concrete shear wall so as to provide enough rigidity, and the size of the long side of the rectangular steel tube concrete column is far larger than that of the short side. However, the rectangular concrete-filled steel tube column cannot be provided with the diaphragm plates in the node areas for ensuring smooth pouring of the internal concrete due to the small size of the short side of the section, so that the connection with the steel beam cannot adopt the form of the diaphragm plates.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome and to have baffle connected node to require the steel column cross-section can not the undersize in the current engineering practice, and building function requires the problem that the steel column cross-section can not be too big, provides a novel outer packet mode beam column rigid connection node of assembly, and the node form is simple, and processing convenient and fast passes the power route clearly and definitely, can satisfy the biography power demand of beam column rigid connection node, can not form the separation to the pouring of intraductal concrete simultaneously.
The utility model adopts the technical proposal that:
novel assemble outer packet mode beam column rigid connection node, include
A rectangular concrete-filled steel tube column having a rectangular steel tube; the rectangular steel pipe is provided with a rectangular frame-shaped mounting part, and the outer side of the mounting part is provided with a long side surface and a short side surface;
the H-shaped steel beam is provided with a beam upper flange, a beam lower flange and a beam web plate and is positioned on one side of the long side surface, one side of the short side surface or both;
the connecting plates are arranged on two sides of the beam web;
the bracket is provided with a bracket upper flange, a bracket lower flange and a bracket web; the bracket upper flange is parallel to the bracket lower flange, and the bracket web is arranged between the bracket upper flange and the bracket lower flange; and
the beam web is in butt joint with the bracket web and then is in bolted connection with the connecting plate respectively; the bracket upper flange is respectively welded with the rectangular steel pipe and the beam upper flange, and the length of one end of the bracket upper flange, which is welded with the beam upper flange, is consistent with the width of the beam upper flange; the bracket lower flange is respectively welded with the rectangular steel pipe and the beam lower flange, and the length of the welding end of the bracket lower flange is consistent with the width of the beam lower flange; when the short side surface is provided with the bracket, the length of the end, connected with the short side surface, of the bracket upper flange is consistent with the length of the short side surface and the length of the welding seam; the length of one end, connected with the short side surface, of the bracket lower flange is consistent with the length of the short side surface and the length of the welding seam; work as the long face is provided with during the bracket welding seam both ends correspond the picture peg is installed to the installation department inboard, the picture peg with the minor face is parallel.
Further, the mounting portion and the rectangular steel pipe are integrally formed, the outer circumference size of the mounting portion is consistent with the outer circumference size of the rectangular steel pipe, and the inner circumference size of the mounting portion is smaller than the inner circumference size of the rectangular steel pipe.
Further, the installation part and the rectangular steel pipe are integrally formed, the inner circumference size of the installation part is consistent with the inner circumference size of the rectangular steel pipe, and the outer circumference size of the installation part is larger than the outer circumference size of the rectangular steel pipe.
Further, the installation department includes the perforated plate, the perforated plate is wholly welded after welded connection in proper order on the rectangle steel pipe outer wall, and every on the perforated plate every downthehole edge also with rectangle steel pipe welding.
Further, the bracket upper flange, the bracket lower flange and the bracket web are integrally formed or welded.
Further, also includes
The upper cover plate is welded at the joint of the beam upper flange and the bracket upper flange; and
and the lower cover plate is welded at the joint of the beam lower flange and the bracket lower flange.
The utility model has the advantages that:
the utility model discloses a solve and to have baffle connected node to require the steel column cross-section can not the undersize in overcoming current engineering practice, and building function requires the steel column cross-section can not too big problem, designed a novel outer packet mode beam column rigid connection node of assembly. The node comprises a rectangular steel pipe concrete column, an H-shaped steel beam, a connecting plate and a bracket. And the bracket is welded with the rectangular steel pipe concrete column and the H-shaped steel beam. And after being welded with the rectangular steel pipe concrete column, the connecting plate is connected with the H-shaped steel beam and the bracket bolt. The utility model discloses a but node wide application is connected in many high-rise steel construction H shaped steel roof beam and wide steel core concrete column's rigid coupling, and the node form is simple, and processing convenient and fast passes the power route clearly and definitely, can satisfy the biography power demand that the beam column just connects the node, can not form the separation to pouring of intraductal concrete simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present application 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 application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a first structural schematic diagram of rigid connection of a beam column in embodiment 1.
Fig. 2 is a schematic structural diagram of rigid connection of a beam and a column in embodiment 1.
Fig. 3 is a sectional view taken along line a-a in fig. 2.
Fig. 4 is an exploded schematic view of the rigid connection of the beam and the column in embodiment 1.
Fig. 5 is a schematic structural view of beam-column rigid connection in embodiment 2.
Fig. 6 is a schematic structural view of beam-column rigid connection in embodiment 3.
Fig. 7 is a schematic structural view of beam-column rigid connection in embodiment 4.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and 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, should not be construed as limiting the present invention.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
In order to solve the problem of indoor convex columns, technical personnel in the industry propose a form of adopting rectangular concrete-filled steel tube columns so as to meet the requirements of houses on steel structure systems. On the rectangle steel pipe concrete column, its minor face size equals with concrete shear wall thickness, and its long limit size is far greater than the minor face size. However, the rectangular concrete-filled steel tube column cannot be provided with the diaphragm plates in the node areas for ensuring smooth pouring of the internal concrete due to the small size of the short side of the section, so that the connection with the steel beam cannot adopt the form of the diaphragm plates.
In order to solve the contradiction that the section of a steel column cannot be too small as required by a partition plate connecting node and the section of the steel column cannot be too large as required by a building function in engineering practice, the embodiment provides a novel assembled externally-wrapped beam-column rigid connecting node, and the structure of the node is shown in attached figures 1-4. The node comprises a rectangular concrete-filled steel tube column 1, an H-shaped steel beam 2, a connecting plate 3 and a bracket 4. Wherein, H shaped steel roof beam 2 is located one side of rectangle steel core concrete column 1 to realize rectangle steel core concrete column 1 and be connected with H shaped steel roof beam 2 through bracket 4. The connecting plates 3 are located on two sides of the joint of the H-shaped steel beam 2 and the bracket 4 and are respectively in bolted connection with the H-shaped steel beam 2 and the bracket 4.
Specifically, the rectangular concrete-filled steel tube column 1 includes a rectangular steel tube 11 and concrete filled in the rectangular steel tube 11. The rectangular steel pipe 11 has a rectangular frame-shaped mounting portion 111 for mounting the H-shaped steel beam 2. The mounting portion 111 is integrally formed with the rectangular steel pipe 11, and has an outer peripheral dimension that is equal to an outer peripheral dimension of the rectangular steel pipe 11, and an inner peripheral dimension that is smaller than the inner peripheral dimension of the rectangular steel pipe 11, i.e., inner sidewalls of the mounting portion 111 protrude from inner sidewalls of the rectangular steel pipe 11. The height of the mounting portion 111 is greater than that of the corbel in the height direction of the rectangular concrete-filled steel tube column 1. The mounting portion 111 has two short side surfaces 112 and two long side surfaces 113 on the outer side. In the cross-sectional direction of the rectangular concrete filled steel tube 1, the length of the short side surface 112 is much smaller than that of the long side surface 113. When the structure is adopted, the thickness of the installation part 111 is larger than that of the rest part of the rectangular steel pipe 11, so that the tension and compression axial force can be resisted after the installation part is connected with the H-shaped steel beam.
The H-shaped steel beam 2 is installed on one side of the short side surface 112. The H-shaped steel beam 2 comprises a beam upper flange 21, a beam lower flange 22 and a beam web 23. The beam upper flange 21 and the beam lower flange 22 are arranged in parallel, and have the same width and are usually smaller than the length of the short side surface 112. The length direction of the beam web 23 is the same as the length direction of the beam upper flange 21 or the beam lower flange 22, the beam web is located in the middle between the beam upper flange 21 and the beam lower flange 22, and the upper end surface and the lower end surface are respectively and vertically connected with the beam upper flange 21 and the beam lower flange 22. A plurality of first mounting holes 231 are formed near the end of the web 23 in the thickness direction thereof. In the present embodiment, two rows of the first mounting holes 231 are formed at intervals on the web 23, and the number of the first mounting holes 231 in each row is 3, and the first mounting holes are arranged at equal intervals.
And two opposite sides of the bracket 4 are respectively and rigidly connected with the short edge surface 112 and the flange end of the H-shaped steel beam 2. The bracket 4 is provided with a bracket upper flange 41, a bracket lower flange 42 and a bracket web 43, and is in an I shape as a whole. The bracket upper flange 41 and the bracket lower flange 42 are arranged in parallel. The lengths of the two end faces of the bracket upper flange 41 facing the short side face 112 and the flange of the H-shaped steel beam 2 are respectively consistent with the lengths of the short side face 112 and the end face of the beam upper flange 21, and the middle part of the bracket upper flange is in continuous transition. The lengths of the two end faces of the bracket lower flange 42 facing the short side face 112 and the flange of the H-shaped steel beam 2 are respectively consistent with the lengths of the short side face 112 and the end face of the beam lower flange 22, and the middle part of the bracket lower flange is in continuous transition. The corbel web 43 is located between the corbel upper flange 41 and the corbel lower flange 42, has a thickness substantially equal to that of the web 23, and has upper and lower ends perpendicularly connected to the corbel upper flange 41 and the corbel lower flange 42, respectively. A plurality of second mounting holes 431 are formed on the bracket web 43. In the present embodiment, two rows of the second mounting holes 431 are formed at intervals on the bracket web 43, and the number of the second mounting holes 431 in each row is 3, and the mounting holes are arranged at equal intervals.
During assembly, firstly, the bracket 4 is welded on the rectangular steel tube concrete column 1, and then the H-shaped steel beam is welded on the bracket 4. That is, the bracket web 43 is parallel to the long surface 1132, and abuts against the short surface 112 toward one end of the short surface 112. The bracket upper flange 41 and the bracket lower flange 42 are welded to the short side surface 112. At both ends in the weld direction, the edges of the bracket upper flange 41 and the bracket lower flange 42 are flush with the opposite long side surfaces 1132, respectively. The web plate 23 and the corbel web plate 43 are located in the same plane, the adjacent ends of the web plate and the corbel web plate are in butt joint, and the butt joint surface has a gap of 0-10 mm. The beam upper flange 21 and the beam lower flange 22 are respectively welded with the bracket upper flange 41 and the bracket lower flange 42 after butt joint, and the bracket upper flange 41 is flush with both ends of the beam upper flange 21 and the bracket lower flange 42 is flush with both ends of the beam lower flange 22 along the direction of the welding line. Through this kind of structural design, the pressure axle power of drawing on the H shaped steel 2 edges of a wing can be transmitted to rectangle steel pipe concrete column 1 on through bracket 4, is resisted by long face 1 and is drawn the pressure axle power, and it is clear and definite to pass the power route. Simultaneously, realize rectangle steel core concrete column 1 and H shaped steel roof beam 2 rigid connection through bracket 4, outwards extend H shaped steel roof beam and rectangle steel core concrete column 1's tie point in other words, maintain when the later stage of being convenient for damages.
In this embodiment, the bracket upper flange 41, the bracket lower flange 42 and the bracket web 43 can be formed in an integrated manner, so that the stability of the whole structure can be improved, and the processing defects can be reduced.
In the present embodiment, the upper and lower cover plates 24 and 25 are provided on the beam upper and lower flanges 21 and 22, respectively. The upper cover plate 24 is attached to and welded to the upper surface of the beam upper flange 21, and one end surface thereof is connected to the end surface of the bracket upper flange 41 by welding. The lower cover plate 25 is attached to and welded to the upper surface of the beam lower flange 22, and one end surface thereof is connected to the end surface of the bracket lower flange 42 by welding. Through this structure, can guarantee that the plasticity hinge appears on keeping away from the girder steel in node district under the earthquake effect, the node district can not take place earlier and destroy to the antidetonation ductility of node has been improved.
And the connecting plates 3 are positioned on two sides of the joint of the beam web 23 and the bracket web 43. The connecting plate 3 is formed with first and fourth mounting holes 231 and 32 corresponding to the first and second mounting holes 231 and 431, respectively.
During the assembly, two connecting plates 3 are laminated respectively on web 23 and corbel web 43 both sides face, and the terminal surface that connecting plate 3 is towards short limit face 112 supports short limit face 112 to correspond to pass first mounting hole 231 and second mounting hole 431 fourth mounting hole 32 by high strength bolt assembly 33, realize two connecting plates 3 respectively with web 23 and corbel web 43 bolted connection, and press from both sides tight web 23 and corbel web 43.
In this embodiment, the prefabrication and assembly process of the rigid connection node is as follows:
when the bracket is prefabricated in a factory, holes are formed in the bracket 4 and the H-shaped steel beam 2.
The corbels 4 are welded to the outer sides of the rectangular steel pipes 11, and then the side attachment plates 51 are welded to the corresponding rectangular steel pipes 11. And an upper cover plate 24 and a lower cover plate 25 are welded on the H-shaped steel beam 2. And after the component is transported to the site, the H-shaped steel beam 2 and the bracket 4 are hoisted and welded, the connecting plate 3 is installed, and concrete is poured.
The problems that the section of a steel column cannot be too small due to the requirement of a partition plate connecting node and the section of the steel column cannot be too large due to the requirement of a building function in the existing engineering practice are solved, and the novel assembled externally-wrapped beam-column rigid connection node is designed. The node comprises a rectangular steel pipe concrete column, an H-shaped steel beam, a connecting plate and a bracket. And the bracket is welded with the rectangular steel pipe concrete column and the H-shaped steel beam. And after being welded with the rectangular steel pipe concrete column, the connecting plate is connected with the H-shaped steel beam and the bracket bolt. The utility model discloses a but node wide application is connected in many high-rise steel construction H shaped steel roof beam and wide steel core concrete column's rigid coupling, and the node form is simple, and processing convenient and fast passes the power route clearly and definitely, can satisfy the biography power demand that the beam column just connects the node, can not form the separation to pouring of intraductal concrete simultaneously.
Example 2
In order to solve the contradiction that the partition plate connecting node requires that the section of a steel column cannot be too small and the construction function requires that the section of the steel column cannot be too large in engineering practice, the embodiment provides a novel assembled externally-wrapped beam-column rigid connecting node, and the structure of the node is shown in the attached drawing 5. The node comprises a rectangular concrete-filled steel tube column 1, an H-shaped steel beam 2, a connecting plate 3 and a bracket 4. Wherein, H shaped steel roof beam 2 is located one side of rectangle steel core concrete column 1 to realize rectangle steel core concrete column 1 and be connected with H shaped steel roof beam 2 through bracket 4. The connecting plates 3 are located on two sides of the joint of the H-shaped steel beam 2 and the bracket 4 and are respectively in bolted connection with the H-shaped steel beam 2 and the bracket 4.
Specifically, the rectangular concrete-filled steel tube column 1 includes a rectangular steel tube 11 and concrete filled in the rectangular steel tube 11. The rectangular steel pipe 11 has a rectangular frame-shaped mounting portion 111 for mounting the H-shaped steel beam 2. The mounting portion 111 is integrally formed with the rectangular steel pipe 11, and has an inner peripheral dimension that is equal to an inner peripheral dimension of the rectangular steel pipe 11, and an outer peripheral dimension that is larger than an outer peripheral dimension of the rectangular steel pipe 11, i.e., outer side walls of the mounting portion 111 protrude from outer side walls of the rectangular steel pipe 11. The height of the mounting portion 111 is greater than that of the corbel in the height direction of the rectangular concrete-filled steel tube column 1. The mounting portion 111 has two short side surfaces 112 and two long side surfaces 113 on the outer side. In the cross-sectional direction of the rectangular concrete filled steel tube 1, the length of the short side surface 112 is much smaller than that of the long side surface 113. When the structure is adopted, the thickness of the installation part 111 is larger than that of the rest part of the rectangular steel pipe 11, so that the tension and compression axial force can be resisted after the installation part is connected with the H-shaped steel beam.
The H-shaped steel beam 2 is installed on one side of the short side surface 112. The H-shaped steel beam 2 comprises a beam upper flange 21, a beam lower flange 22 and a beam web 23. The beam upper flange 21 and the beam lower flange 22 are arranged in parallel, and have the same width and are usually smaller than the length of the short side surface 112. The length direction of the beam web 23 is the same as the length direction of the beam upper flange 21 or the beam lower flange 22, the beam web is located in the middle between the beam upper flange 21 and the beam lower flange 22, and the upper end surface and the lower end surface are respectively and vertically connected with the beam upper flange 21 and the beam lower flange 22. A plurality of first mounting holes 231 are formed near the end of the web 23 in the thickness direction thereof. In the present embodiment, two rows of the first mounting holes 231 are formed at intervals on the web 23, and the number of the first mounting holes 231 in each row is 3, and the first mounting holes are arranged at equal intervals.
And two opposite sides of the bracket 4 are respectively and rigidly connected with the short edge surface 112 and the flange end of the H-shaped steel beam 2. The bracket 4 is provided with a bracket upper flange 41, a bracket lower flange 42 and a bracket web 43, and is in an I shape as a whole. The bracket upper flange 41 and the bracket lower flange 42 are arranged in parallel. The lengths of the two end faces of the bracket upper flange 41 facing the short side face 112 and the flange of the H-shaped steel beam 2 are respectively consistent with the lengths of the short side face 112 and the end face of the beam upper flange 21, and the middle part of the bracket upper flange is in continuous transition. The lengths of the two end faces of the bracket lower flange 42 facing the short side face 112 and the flange of the H-shaped steel beam 2 are respectively consistent with the lengths of the short side face 112 and the end face of the beam lower flange 22, and the middle part of the bracket lower flange is in continuous transition. The corbel web 43 is located between the corbel upper flange 41 and the corbel lower flange 42, has a thickness substantially equal to that of the web 23, and has upper and lower ends perpendicularly connected to the corbel upper flange 41 and the corbel lower flange 42, respectively. A plurality of second mounting holes 431 are formed on the bracket web 43. In the present embodiment, two rows of the second mounting holes 431 are formed at intervals on the bracket web 43, and the number of the second mounting holes 431 in each row is 3, and the mounting holes are arranged at equal intervals.
During assembly, firstly, the bracket 4 is welded on the rectangular steel tube concrete column 1, and then the H-shaped steel beam is welded on the bracket 4. That is, the bracket web 43 is parallel to the long surface 1132, and abuts against the short surface 112 toward one end of the short surface 112. The bracket upper flange 41 and the bracket lower flange 42 are welded to the short side surface 112. At both ends in the weld direction, the edges of the bracket upper flange 41 and the bracket lower flange 42 are flush with the opposite long side surfaces 1132, respectively. The web plate 23 and the corbel web plate 43 are located in the same plane, the adjacent ends of the web plate and the corbel web plate are in butt joint, and the butt joint surface has a gap of 0-10 mm. The beam upper flange 21 and the beam lower flange 22 are respectively welded with the bracket upper flange 41 and the bracket lower flange 42 after butt joint, and the bracket upper flange 41 is flush with both ends of the beam upper flange 21 and the bracket lower flange 42 is flush with both ends of the beam lower flange 22 along the direction of the welding line. Through this kind of structural design, the pressure axle power of drawing on the H shaped steel 2 edges of a wing can be transmitted to rectangle steel pipe concrete column 1 on through bracket 4, is resisted by long face 1 and is drawn the pressure axle power, and it is clear and definite to pass the power route. Simultaneously, realize rectangle steel core concrete column 1 and H shaped steel roof beam 2 rigid connection through bracket 4, outwards extend H shaped steel roof beam and rectangle steel core concrete column 1's tie point in other words, maintain when the later stage of being convenient for damages.
And the connecting plates 3 are positioned on two sides of the joint of the beam web 23 and the bracket web 43. The connecting plate 3 is formed with first and fourth mounting holes 231 and 32 corresponding to the first and second mounting holes 231 and 431, respectively.
During the assembly, two connecting plates 3 are laminated respectively on web 23 and corbel web 43 both sides face, and the terminal surface that connecting plate 3 is towards short limit face 112 supports short limit face 112 to correspond to pass first mounting hole 231 and second mounting hole 431 fourth mounting hole 32 by high strength bolt assembly 33, realize two connecting plates 3 respectively with web 23 and corbel web 43 bolted connection, and press from both sides tight web 23 and corbel web 43.
The problems that the section of a steel column cannot be too small due to the requirement of a partition plate connecting node and the section of the steel column cannot be too large due to the requirement of a building function in the existing engineering practice are solved, and the novel assembled externally-wrapped beam-column rigid connection node is designed. The node comprises a rectangular steel pipe concrete column, an H-shaped steel beam, a connecting plate and a bracket. And the bracket is welded with the rectangular steel pipe concrete column and the H-shaped steel beam. And after being welded with the rectangular steel pipe concrete column, the connecting plate is connected with the H-shaped steel beam and the bracket bolt. The utility model discloses a but node wide application is connected in many high-rise steel construction with the rigid coupling of wide steel core concrete column H shaped steel roof beam, and the node form is simple, and processing convenient and fast passes the power route clear and definite, can satisfy the power demand that passes of the outer packet mode beam column rigid coupling node of novel assembly, can not form the separation to pouring of intraductal concrete simultaneously.
Example 3
In order to solve the contradiction that the partition plate connecting node requires that the section of a steel column cannot be too small and the construction function requires that the section of the steel column cannot be too large in engineering practice, the embodiment provides a novel assembled externally-wrapped beam-column rigid connecting node, and the structure of the node is shown in the attached drawing 6. The node comprises a rectangular concrete-filled steel tube column 1, an H-shaped steel beam 2, a connecting plate 3 and a bracket 4. Wherein, H shaped steel roof beam 2 is located one side of rectangle steel core concrete column 1 to realize rectangle steel core concrete column 1 and be connected with H shaped steel roof beam 2 through bracket 4. The connecting plates 3 are located on two sides of the joint of the H-shaped steel beam 2 and the bracket 4 and are respectively in bolted connection with the H-shaped steel beam 2 and the bracket 4.
Specifically, the rectangular concrete-filled steel tube column 1 includes a rectangular steel tube 11 and concrete filled in the rectangular steel tube 11. The rectangular steel pipe 11 has a rectangular frame-shaped mounting portion 111 for mounting the H-shaped steel beam 2. The height of the mounting portion 111 is greater than that of the corbel in the height direction of the rectangular concrete-filled steel tube column 1. The mounting portion 111 includes four porous plates. The four perforated plates are welded and connected in sequence and then integrally welded to the outer wall of the rectangular steel pipe 11, and the inner edge of each hole in each perforated plate is also welded with the rectangular steel pipe 11. The mounting portion 111 has two short side surfaces 112 and two long side surfaces 113 on the outer side. In the cross-sectional direction of the rectangular concrete filled steel tube 1, the length of the short side surface 112 is much smaller than that of the long side surface 113. When the structure is adopted, the thickness of the installation part 111 is larger than that of the rest part of the rectangular steel pipe 11, so that the tension and compression axial force can be resisted after the installation part is connected with the H-shaped steel beam.
The H-shaped steel beam 2 is installed on one side of the short side surface 112. The H-shaped steel beam 2 comprises a beam upper flange 21, a beam lower flange 22 and a beam web 23. The beam upper flange 21 and the beam lower flange 22 are arranged in parallel, and have the same width and are usually smaller than the length of the short side surface 112. The length direction of the beam web 23 is the same as the length direction of the beam upper flange 21 or the beam lower flange 22, the beam web is located in the middle between the beam upper flange 21 and the beam lower flange 22, and the upper end surface and the lower end surface are respectively and vertically connected with the beam upper flange 21 and the beam lower flange 22. A plurality of first mounting holes 231 are formed near the end of the web 23 in the thickness direction thereof. In the present embodiment, two rows of the first mounting holes 231 are formed at intervals on the web 23, and the number of the first mounting holes 231 in each row is 3, and the first mounting holes are arranged at equal intervals.
And two opposite sides of the bracket 4 are respectively and rigidly connected with the short edge surface 112 and the flange end of the H-shaped steel beam 2. The bracket 4 is provided with a bracket upper flange 41, a bracket lower flange 42 and a bracket web 43, and is in an I shape as a whole. The bracket upper flange 41 and the bracket lower flange 42 are arranged in parallel. The lengths of the two end faces of the bracket upper flange 41 facing the short side face 112 and the flange of the H-shaped steel beam 2 are respectively consistent with the lengths of the short side face 112 and the end face of the beam upper flange 21, and the middle part of the bracket upper flange is in continuous transition. The lengths of the two end faces of the bracket lower flange 42 facing the short side face 112 and the flange of the H-shaped steel beam 2 are respectively consistent with the lengths of the short side face 112 and the end face of the beam lower flange 22, and the middle part of the bracket lower flange is in continuous transition. The corbel web 43 is located between the corbel upper flange 41 and the corbel lower flange 42, has a thickness substantially equal to that of the web 23, and has upper and lower ends perpendicularly connected to the corbel upper flange 41 and the corbel lower flange 42, respectively. A plurality of second mounting holes 431 are formed on the bracket web 43. In the present embodiment, two rows of the second mounting holes 431 are formed at intervals on the bracket web 43, and the number of the second mounting holes 431 in each row is 3, and the mounting holes are arranged at equal intervals.
During assembly, firstly, the bracket 4 is welded on the rectangular steel tube concrete column 1, and then the H-shaped steel beam is welded on the bracket 4. That is, the bracket web 43 is parallel to the long surface 1132, and abuts against the short surface 112 toward one end of the short surface 112. The bracket upper flange 41 and the bracket lower flange 42 are welded to the short side surface 112. At both ends in the weld direction, the edges of the bracket upper flange 41 and the bracket lower flange 42 are flush with the opposite long side surfaces 1132, respectively. The web plate 23 and the corbel web plate 43 are located in the same plane, the adjacent ends of the web plate and the corbel web plate are in butt joint, and the butt joint surface has a gap of 0-10 mm. The beam upper flange 21 and the beam lower flange 22 are respectively welded with the bracket upper flange 41 and the bracket lower flange 42 after butt joint, and the bracket upper flange 41 is flush with both ends of the beam upper flange 21 and the bracket lower flange 42 is flush with both ends of the beam lower flange 22 along the direction of the welding line. Through this kind of structural design, the pressure axle power of drawing on the H shaped steel 2 edges of a wing can be transmitted to rectangle steel pipe concrete column 1 on through bracket 4, is resisted by long face 1 and is drawn the pressure axle power, and it is clear and definite to pass the power route. Simultaneously, realize rectangle steel core concrete column 1 and H shaped steel roof beam 2 rigid connection through bracket 4, outwards extend H shaped steel roof beam and rectangle steel core concrete column 1's tie point in other words, maintain when the later stage of being convenient for damages.
And the connecting plates 3 are positioned on two sides of the joint of the beam web 23 and the bracket web 43. The connecting plate 3 is formed with first and fourth mounting holes 231 and 32 corresponding to the first and second mounting holes 231 and 431, respectively.
During the assembly, two connecting plates 3 are laminated respectively on web 23 and corbel web 43 both sides face, and the terminal surface that connecting plate 3 is towards short limit face 112 supports short limit face 112 to correspond to pass first mounting hole 231 and second mounting hole 431 fourth mounting hole 32 by high strength bolt assembly 33, realize two connecting plates 3 respectively with web 23 and corbel web 43 bolted connection, and press from both sides tight web 23 and corbel web 43.
The problems that the section of a steel column cannot be too small due to the requirement of a partition plate connecting node and the section of the steel column cannot be too large due to the requirement of a building function in the existing engineering practice are solved, and the novel assembled externally-wrapped beam-column rigid connection node is designed. The node comprises a rectangular steel pipe concrete column, an H-shaped steel beam, a connecting plate and a bracket. And the bracket is welded with the rectangular steel pipe concrete column and the H-shaped steel beam. And after being welded with the rectangular steel pipe concrete column, the connecting plate is connected with the H-shaped steel beam and the bracket bolt. The utility model discloses a but node wide application is connected in many high-rise steel construction with the rigid coupling of wide steel core concrete column H shaped steel roof beam, and the node form is simple, and processing convenient and fast passes the power route clear and definite, can satisfy the power demand that passes of the outer packet mode beam column rigid coupling node of novel assembly, can not form the separation to pouring of intraductal concrete simultaneously.
Example 4
In order to solve the contradiction that the partition plate connecting node requires that the section of a steel column cannot be too small and the construction function requires that the section of the steel column cannot be too large in engineering practice, the embodiment provides a novel assembled externally-wrapped beam-column rigid connecting node, as shown in fig. 7. The node comprises a rectangular concrete-filled steel tube column 1, an H-shaped steel beam 2, a connecting plate 3, a bracket 4 and a plug board 5. Wherein, H shaped steel roof beam 2 is located rectangle steel core concrete column 1 respectively and adjoins both sides to realize rectangle steel core concrete column 1 and be connected with H shaped steel roof beam 2 through bracket 4. The connecting plates 3 are located on two sides of the joint of the H-shaped steel beam 2 and the bracket 4 and are respectively in bolted connection with the H-shaped steel beam 2 and the bracket 4. The picture peg 5 is located 1 inboards of rectangle concrete filled steel tube column, increases the thickness at the junction both ends of bracket 4 and rectangle concrete filled steel tube column 1, improves the ability that rectangle concrete filled steel tube column 1 resisted the axial force of drawing on H shaped steel roof beam 2 transmits the rectangle concrete filled steel tube column 1.
Specifically, the rectangular concrete-filled steel tube column 1 includes a rectangular steel tube 11 and concrete filled in the rectangular steel tube 11. The rectangular steel pipe 11 has a rectangular frame-shaped mounting portion 111 for mounting the H-shaped steel beam 2. The mounting portion 111 is integrally formed with the rectangular steel pipe 11, and has an outer peripheral dimension that is equal to an outer peripheral dimension of the rectangular steel pipe 11, and an inner peripheral dimension that is smaller than the inner peripheral dimension of the rectangular steel pipe 11, i.e., inner sidewalls of the mounting portion 111 protrude from inner sidewalls of the rectangular steel pipe 11. The height of the mounting portion 111 is greater than that of the corbel in the height direction of the rectangular concrete-filled steel tube column 1. The mounting portion 111 has two short side surfaces 112 and two long side surfaces 113 on the outer side. In the cross-sectional direction of the rectangular concrete filled steel tube 1, the length of the short side surface 112 is much smaller than that of the long side surface 113. When the structure is adopted, the thickness of the installation part 111 is larger than that of the rest part of the rectangular steel pipe 11, so that the tension and compression axial force can be resisted after the installation part is connected with the H-shaped steel beam.
Two H shaped steel roof beams 2 are located same horizontal plane, and one is installed in short limit face 112 one side, and another installs in long limit face 113 one side edge. Two H-shaped steel beams 2 are adjacent. The H-shaped steel beam 2 comprises a beam upper flange 21, a beam lower flange 22 and a beam web 23. The beam upper flange 21 and the beam lower flange 22 are arranged in parallel, and have the same width and are usually smaller than the length of the short side surface 112. The length direction of the beam web 23 is the same as the length direction of the beam upper flange 21 or the beam lower flange 22, the beam web is located in the middle between the beam upper flange 21 and the beam lower flange 22, and the upper end surface and the lower end surface are respectively and vertically connected with the beam upper flange 21 and the beam lower flange 22. A plurality of first mounting holes 231 are formed near the end of the web 23 in the thickness direction thereof. In the present embodiment, two rows of the first mounting holes 231 are formed at intervals on the web 23, and the number of the first mounting holes 231 in each row is 3, and the first mounting holes are arranged at equal intervals.
Two brackets 4, one of which two opposite sides are respectively and rigidly connected with the short side surface 112 and the flange end of the H-shaped steel beam 2, and the other two opposite sides are respectively and rigidly connected with the long side surface 113 and the flange end of the H-shaped steel beam 2, as shown in fig. 7. The bracket 4 is provided with a bracket upper flange 41, a bracket lower flange 42 and a bracket web 43, and is in an I shape as a whole. The bracket upper flange 41 and the bracket lower flange 42 are arranged in parallel. The corbel web 43 is located between the corbel upper flange 41 and the corbel lower flange 42, has a thickness substantially equal to that of the web 23, and has upper and lower ends perpendicularly connected to the corbel upper flange 41 and the corbel lower flange 42, respectively. A plurality of second mounting holes 431 are formed on the bracket web 43. In the present embodiment, two rows of the second mounting holes 431 are formed at intervals on the bracket web 43, and the number of the second mounting holes 431 in each row is 3, and the mounting holes are arranged at equal intervals.
In the bracket 4 welded to the short side surface 112, the lengths of the bracket upper flange 41 toward the short side surface 112 and the two end surfaces of the flange of the H-shaped steel beam 2 are respectively equal to the length of the short side surface 112 and the length of the end surface of the beam upper flange 21, and the middle part is in continuous transition. The lengths of the two end faces of the bracket lower flange 42 facing the short side face 112 and the flange of the H-shaped steel beam 2 are respectively consistent with the lengths of the short side face 112 and the end face of the beam lower flange 22, and the middle part of the bracket lower flange is in continuous transition.
In the corbel 4 welded to the long side surface 113, the lengths of the ends of the corbel upper flange 41 and the corbel lower flange 42 connected to the beam upper flange 21 and the beam lower flange 22 are respectively equal to the widths of the beam upper flange 21 and the beam lower flange 22. The lengths of the ends of the upper bracket flange 41 and the lower bracket flange 42 connected to the long side surface 113 are continuously changed to the lengths of the ends thereof connected to the upper beam flange 21 and the lower beam flange 22, respectively.
When the short side surface 112 is assembled, the bracket 4 is welded on the rectangular concrete-filled steel tube column 1, and then the H-shaped steel beam is welded on the bracket 4. That is, the bracket web 43 is parallel to the long side surface 113, and one end thereof facing the short side surface 112 abuts against the short side surface 112. The bracket upper flange 41 and the bracket lower flange 42 are welded to the short side surface 112, and the edges of the bracket upper flange 41 and the bracket lower flange 42 are flush with the opposite long side surfaces at the two ends in the welding direction. The web plate 23 and the corbel web plate 43 are located in the same plane, the adjacent ends of the web plate and the corbel web plate are in butt joint, and the butt joint surface has a gap of 0-10 mm. The beam upper flange 21 and the beam lower flange 22 are respectively welded with the bracket upper flange 41 and the bracket lower flange 42 after butt joint. In the direction of the weld, the bracket upper flange 41 is flush with both ends of the beam upper flange 21 and the bracket lower flange 42 is flush with both ends of the beam lower flange 22. Through this kind of structural design, the pressure axle power of drawing on the H shaped steel 2 edges of a wing can be transmitted to rectangle steel pipe concrete column 1 on through bracket 4, is resisted by long face 1 and is drawn the pressure axle power, and it is clear and definite to pass the power route. Simultaneously, realize rectangle steel core concrete column 1 and H shaped steel roof beam 2 rigid connection through bracket 4, outwards extend H shaped steel roof beam and rectangle steel core concrete column 1's tie point in other words, maintain when the later stage of being convenient for damages.
When the long side surface 113 side is assembled, the bracket 4 is welded on the rectangular concrete-filled steel tube column 1, and then the H-shaped steel beam is welded on the bracket 4. That is, the leg web 43 is parallel to the short side surface 112, and one end thereof facing the long side surface 113 abuts against the long side surface 113. The bracket upper flange 41 and the bracket lower flange 42 are welded to the long edge surface 113, and in the weld direction, the ends of the bracket upper flange 41 and the bracket lower flange 42 adjacent to the short edge surface 112 are flush with the short edge surface 11. The web plate 23 and the corbel web plate 43 are located in the same plane, the adjacent ends of the web plate and the corbel web plate are in butt joint, and the butt joint surface has a gap of 0-10 mm. The beam upper flange 21 and the beam lower flange 22 are respectively welded with the bracket upper flange 41 and the bracket lower flange 42 after butt joint, and the bracket upper flange 41 is flush with both ends of the beam upper flange 21 and the bracket lower flange 42 is flush with both ends of the beam lower flange 22 along the direction of the welding line. Through the structural design, the tension and compression axial force of the flange of the H-shaped steel beam 2 can be transmitted to the rectangular concrete filled steel tube column 1 through the bracket 4, and the force transmission path is clear. Simultaneously, realize rectangle steel core concrete column 1 and H shaped steel roof beam 2 rigid connection through bracket 4, outwards extend H shaped steel roof beam and rectangle steel core concrete column 1's tie point in other words, maintain when the later stage of being convenient for damages.
Four connecting plates 3 are in a group. In the same group, the two connecting plates 3 are respectively positioned at two sides of the joint of the beam web plate 23 and the bracket web plate 43. The connecting plate 3 is formed with first and fourth mounting holes 231 and 32 corresponding to the first and second mounting holes 231 and 431, respectively.
During short flank 112 one side equipment, two connecting plates 3 laminate respectively on web 23 and bracket web 43 both sides face, and connecting plate 3 supports short flank 112 towards the terminal surface of short flank 112 to correspond to pass first mounting hole 231 and second mounting hole 431 fourth mounting hole 32 by high strength bolt subassembly 33, realize two connecting plates 3 respectively with web 23 and bracket web 43 bolted connection, and press from both sides tight web 23 and bracket web 43.
When the long side surface 113 is assembled on one side, the two connecting plates 3 are respectively attached to two side surfaces of the beam web plate 23 and the bracket web plate 43, the end surfaces of the connecting plates 3 facing the short side surface 112 abut against the long side surface 113, the high-strength bolt assemblies 33 correspondingly penetrate through the first mounting holes 231 and the second mounting holes 431 and the fourth mounting holes 32, the two connecting plates 3 are respectively in bolt connection with the beam web plate 23 and the bracket web plate 43, and the beam web plate 23 and the bracket web plate 43 are clamped tightly.
And the inserting plate 5 is arranged on the inner side of the rectangular steel pipe 11. The inserting plates 5 are parallel to the short side surfaces 112, two ends facing the inner wall of the rectangular steel pipe 11 are connected with the rectangular steel pipe 11, and form a small rectangular structure with the inner wall of the rectangular steel pipe 11. The upper end and the lower end of the inserting plate 5 are higher than the bracket upper flange 41 and the bracket lower flange 42. The distance between the outer side of the inserting plate 5 and the short side surface 112 on which the bracket 4 is installed is equal to the length of the welding end of the bracket upper flange 41 and the long side surface 113. First, the inserting plates 52 are welded to the inner wall of the rectangular steel pipe 11 at intervals, and the plate surface is parallel to the short side surface 112, which does not affect the pouring of concrete. Secondly, the thickness of the inserting plate 5 is increased, for example, the wall thickness of the rectangular steel pipe 11 is doubled, and the drawing is formed on the inner side of the long side surface 113, so that the complex stress state of the column end can be effectively improved, the stress diffusion area of the column end is strengthened, and the reliability of beam-column connection is improved. In this embodiment, the side walls of the short side surfaces 112 of the mounting portion 111 serve as insert plates. When the bracket 4 is arranged in the middle of the long side surface 113, two inserting plates 5 are arranged.
Claims (6)
1. The utility model provides a novel assemble outer packet mode beam column rigid connection node which characterized in that: comprises that
A rectangular concrete-filled steel tube column having a rectangular steel tube; the rectangular steel pipe is provided with a rectangular frame-shaped mounting part, and the outer side of the mounting part is provided with a long side surface and a short side surface;
the H-shaped steel beam is provided with a beam upper flange, a beam lower flange and a beam web plate and is positioned on one side of the long side surface, one side of the short side surface or both;
the connecting plates are arranged on two sides of the beam web;
the bracket is provided with a bracket upper flange, a bracket lower flange and a bracket web; the bracket upper flange is parallel to the bracket lower flange, and the bracket web is arranged between the bracket upper flange and the bracket lower flange; and
the beam web is in butt joint with the bracket web and then is in bolted connection with the connecting plate respectively; the bracket upper flange is respectively welded with the rectangular steel pipe and the beam upper flange, and the length of one end of the bracket upper flange, which is welded with the beam upper flange, is consistent with the width of the beam upper flange; the bracket lower flange is respectively welded with the rectangular steel pipe and the beam lower flange, and the length of the welding end of the bracket lower flange is consistent with the width of the beam lower flange; when the short side surface is provided with the bracket, the length of the end, connected with the short side surface, of the bracket upper flange is consistent with the length of the short side surface and the length of the welding seam; the length of one end, connected with the short side surface, of the bracket lower flange is consistent with the length of the short side surface and the length of the welding seam; work as the long face is provided with during the bracket welding seam both ends correspond the picture peg is installed to the installation department inboard, the picture peg with the minor face is parallel.
2. The novel assembled externally wrapped beam-column rigid-connection node of claim 1, wherein: the installation part and the rectangular steel pipe are integrally formed, the size of the outer periphery of the installation part is consistent with that of the outer periphery of the rectangular steel pipe, and the size of the inner periphery of the installation part is smaller than that of the inner periphery of the rectangular steel pipe.
3. The novel assembled externally wrapped beam-column rigid-connection node of claim 1, wherein: the installation part and the rectangular steel pipe are integrally formed, the inner circumference size of the installation part is consistent with that of the rectangular steel pipe, and the outer circumference size of the installation part is larger than that of the rectangular steel pipe.
4. The novel assembled externally wrapped beam-column rigid-connection node of claim 1, wherein: the installation department includes the perforated plate, the perforated plate welds in proper order welding connection back whole welding to on the rectangle steel pipe outer wall, and every on the perforated plate every downthehole edge also with rectangle steel pipe welding.
5. The novel assembled externally wrapped beam-column rigid-connection node of claim 1, wherein: the bracket upper flange, the bracket lower flange and the bracket web are integrally formed or welded.
6. The novel assembled externally wrapped beam-column rigid-connection node of claim 1, wherein: also comprises
The upper cover plate is welded at the joint of the beam upper flange and the bracket upper flange; and
and the lower cover plate is welded at the joint of the beam lower flange and the bracket lower flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202021962438.5U CN213709898U (en) | 2020-09-09 | 2020-09-09 | Novel assembled wrapped beam column rigid connection node |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021962438.5U CN213709898U (en) | 2020-09-09 | 2020-09-09 | Novel assembled wrapped beam column rigid connection node |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961391A (en) * | 2022-06-27 | 2022-08-30 | 重庆大学 | Assembled node of steel pipe concrete special-shaped column and H-shaped steel beam |
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- 2020-09-09 CN CN202021962438.5U patent/CN213709898U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961391A (en) * | 2022-06-27 | 2022-08-30 | 重庆大学 | Assembled node of steel pipe concrete special-shaped column and H-shaped steel beam |
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