CN216616214U - Beam column joint area connecting structure and steel pipe local through type beam column hybrid frame joint - Google Patents
Beam column joint area connecting structure and steel pipe local through type beam column hybrid frame joint Download PDFInfo
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- CN216616214U CN216616214U CN202220122713.5U CN202220122713U CN216616214U CN 216616214 U CN216616214 U CN 216616214U CN 202220122713 U CN202220122713 U CN 202220122713U CN 216616214 U CN216616214 U CN 216616214U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The utility model discloses a beam-column joint area connecting structure and a steel pipe local through type beam-column mixed frame joint, which comprise a joint steel sleeve, wherein a steel connecting bracket is arranged on the outer pipe wall of the joint steel sleeve, the steel connecting bracket is used for connecting a steel connecting piece embedded at a beam end, and in the connecting state of the steel connecting bracket and the steel connecting piece, the upper end surface of the joint steel sleeve is lower than the plane where beam laminated longitudinal ribs are located, so that the beam laminated longitudinal ribs penetrate into a column steel rib framework at the upper end of the joint steel sleeve. According to the utility model, the upper end surface of the node steel sleeve is lower than the plane where the beam laminated layer longitudinal bar is located, so that the node steel sleeve adopts a partially through type which does not completely penetrate through the core area of the beam-column node, the beam laminated layer longitudinal bar can be directly installed in a column steel bar framework at the upper end of the node steel sleeve from top to bottom, and compared with a form of perforating the bar, the construction and installation process is more convenient.
Description
Technical Field
The utility model relates to the technical field of building components, in particular to a beam-column joint area connecting structure and a steel pipe local through type beam-column hybrid frame joint.
Background
The steel tube confined concrete column is increasingly applied to high-rise buildings due to excellent bearing capacity and earthquake resistance. However, in the fabricated building, there is no situation that the steel pipe confined concrete column and the precast concrete beam are combined and applied to practical projects, mainly because the most critical connection technology and construction process of the steel pipe confined concrete column and the precast concrete beam are not mature. If the key technical problems are solved, the advantages of the two are combined to give full play to, and the method is an excellent technical solution of an assembled mixed structure.
The utility model patent application (application number CN202111059675.X) filed by the applicant to the national intellectual property office discloses a beam-column mixed frame node structure and a construction method thereof, wherein a reinforcement penetrating hole is partially cut in a steel sleeve of a node area so as to facilitate a beam overlapping layer longitudinal reinforcement to penetrate into the node area for anchoring.
However, the applicant finds that, in many constructions, because the node area contains a steel bar framework made of column longitudinal bars and column hoop bars, the space is very limited, so that in the actual construction operation process, the beam longitudinal bars are difficult to penetrate into the nodes, especially into the side nodes and the corner nodes, and when the end parts of the beam longitudinal bars are in a hook anchoring mode, the mode of 'perforation' is particularly difficult to realize.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, an object of the present invention is to provide a beam-column joint area connection structure that facilitates the construction of a reinforcement through hole compared to a form of a reinforcement through hole, and another object of the present invention is to provide a steel pipe partially penetrating type beam-column hybrid frame joint based on the connection structure.
In order to achieve the purpose, the utility model firstly discloses a beam-column joint area connecting structure which is characterized by comprising a joint steel sleeve, wherein a steel connecting bracket is arranged on the outer pipe wall of the joint steel sleeve and is used for connecting a steel connecting piece embedded at the beam end, and in the connecting state of the steel connecting bracket and the steel connecting piece, the upper end surface of the joint steel sleeve is lower than the plane of a beam overlapping layer longitudinal bar, so that the beam overlapping layer longitudinal bar penetrates into a column steel bar framework at the upper end of the joint steel sleeve.
Still further, the steel connecting bracket comprises a bottom plate and a vertical web plate arranged on the bottom plate.
Furthermore, a plurality of pegs are arranged on the vertical web plate or/and the bottom plate.
Furthermore, a partition plate is further arranged in the pipe cavity of the joint steel sleeve, and the partition plate is used for transmitting the stress of the bottom plate and positioning a column longitudinal rib in a column steel reinforcement framework.
Still further, the partition plate is welded to the inner pipe wall of the node steel casing and is flush with the bottom plate in the axial direction of the node steel casing.
Furthermore, a plurality of rib penetrating holes which correspond to the longitudinal ribs of each column in a one-to-one mode are uniformly distributed on the partition plate according to the shape of a ring, and a pouring hole is formed in the axis of the partition plate.
Based on the foregoing description, the utility model also discloses a steel pipe locally-through beam-column hybrid frame node, which is characterized by comprising a beam-column node area connecting structure, wherein connecting area concrete is poured between the beam-column node area connecting structure and a beam, connecting steel connecting brackets and steel connecting pieces which are mutually connected are pre-buried in the connecting area concrete, superposed layer concrete is further poured on the upper portion of the beam, beam superposed layer longitudinal ribs are buried in the superposed layer concrete, the beam superposed layer longitudinal ribs penetrate through a column steel rib framework at the upper end of the node steel sleeve, column body concrete is further poured in the node area steel sleeve, and the column body concrete is connected with the superposed layer concrete into a whole through the connecting area concrete.
Furthermore, a plurality of stirrups are additionally arranged in the concrete of the connecting area, and the stirrups connect the longitudinal bars of the superposed layers, the steel connecting bracket and the steel connecting piece into a whole.
Furthermore, the height difference between the lower end face of the steel sleeve of the upper section of the column body and the upper end face of the concrete of the laminated layer is not less than 20 mm.
Compared with the prior art, the utility model has the following remarkable effects:
1. the upper end surface of the node steel sleeve is lower than the plane where the beam laminated layer longitudinal bar is located, so that the node steel sleeve adopts a partially through type which does not completely penetrate through the core area of the beam-column node, the beam laminated layer longitudinal bar can be directly installed in a column steel bar framework at the upper end of the node steel sleeve from top to bottom, and compared with a form of perforating the bar, the construction and installation process is more convenient;
2. the stress requirement can be met only by constructing a stirrup to be encrypted in an area without steel pipe constraint between the upper section column body steel sleeve and the node steel sleeve, the structure is relatively simple and reasonable, and effective constraint on a node core area can be ensured;
3. the beam bottom stress bar can be directly transmitted to the node through the embedded steel connecting piece, the steel connecting bracket, the node steel sleeve and the partition plate, and the beam bottom stress bar does not need to penetrate into the node, so that the construction process is greatly simplified.
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 schematic overall structure diagram of a beam-column joint area connection structure in one embodiment;
FIG. 2 is a schematic overall structure diagram of a beam-column hybrid frame node with a steel pipe partially penetrating through in one embodiment;
FIG. 3 is a schematic view showing an overall structure of a beam-column joint region connection structure according to a second embodiment;
FIG. 4 is a schematic overall structure diagram of a beam-column hybrid frame joint with a partially through steel pipe according to the second embodiment;
reference numbers in the figures: the steel column comprises 1-node steel sleeves, 2-steel connecting brackets, 3-steel connecting pieces, 4-beam laminated layer longitudinal ribs, 5-column steel rib frameworks, 6-bottom plates, 7-vertical webs, 8-studs, 9-clapboards, 10-stirrups, 11-beams, 12-lower-section column body steel sleeves and 13-upper-section column body steel sleeves.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "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 illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Fig. 1 discloses a first embodiment of the utility model: the utility model provides a beam column node district connection structure, includes node steel casing pipe 1, be provided with a steel connection bracket 2 on node steel casing pipe 1's the outer pipe wall, steel connection bracket 2 is used for connecting to inlay and buries in the steel connecting piece 3 of roof beam 11 end, just under the connected state of steel connection bracket 2 and steel connecting piece 3 (as shown in fig. 2), the up end of node steel casing pipe 1 is less than the plane at 4 places of muscle is indulged to the roof beam coincide layer to 4 muscle that indulge of muscle run through the post steel framework 5 of 1 upper end of node steel casing pipe in the messenger's roof beam coincide layer.
In specific implementation, in order to ensure that the steel connecting bracket 2 is stably installed on the node steel sleeve 1, the steel connecting bracket 2 is welded on the outer pipe wall of the node steel sleeve 1.
As can be seen from fig. 1, in order to effectively restrain the connection area concrete after the node is poured and simultaneously improve the ductility and the seismic performance, the steel connection bracket 2 comprises a bottom plate 6 and a vertical web 7 arranged on the bottom plate 6. A plurality of pegs 8 are arranged on the vertical web 7 and the bottom plate 6.
A partition plate 9 is further arranged in a pipe cavity of the node steel sleeve 1, and the partition plate 9 is used for transmitting the stress of the bottom plate 6 on one hand and is used for positioning a column longitudinal rib in the column steel reinforcement framework 5 on the other hand. The peripheral side of the partition plate 9 is welded to the inner pipe wall of the node steel sleeve 11. A plurality of rib penetrating holes corresponding to the longitudinal ribs of each column in a one-to-one mode are uniformly distributed in the partition plate 9 in an annular mode, and pouring holes are formed in the axis of the partition plate 9.
In order to optimize the force transmission path of the stress rib at the bottom of the beam 11 and improve the force transmission effect, the partition plate 9 is flush with the bottom plate 6 in the axial direction of the node steel sleeve 1.
Referring to fig. 2, in this embodiment, based on the foregoing structure, a steel pipe partially through type beam-column hybrid frame node is further disclosed, which includes the beam-column node area connection structure described above, connection area concrete is poured between the beam-column node area connection structure and the beam 11, interconnected steel connection brackets 2 and steel connectors 3 are pre-embedded in the connection area concrete, superimposed layer concrete is further poured on the upper portion of the beam 11, beam superimposed layer longitudinal ribs 4 are embedded in the superimposed layer concrete, the beam superimposed layer longitudinal ribs 4 penetrate through a column steel reinforcement framework 5 at the upper end of the node steel sleeve 1, column body concrete is further poured in the node area steel sleeve, and the column body concrete is connected with the superimposed layer concrete into a whole through the connection area concrete.
During the concrete implementation, in order to improve the beam lamination layer and indulge muscle 4, the steel integrity between bracket 2 and the steel connecting piece 3 a plurality of stirrups 10 of additional in the joining region concrete, stirrup 10 will the beam lamination layer is indulged muscle 4 the steel is connected the bracket 2 with steel connecting piece 3 is even as an organic whole. Preferably, a peg is also provided on the steel connector 3 at the end of the beam 11.
An upper section column body steel sleeve 13 of the steel tube confined concrete column is arranged above the node steel sleeve 1, in order to avoid the situation that the upper section column body steel sleeve 13 blocks the beam laminated layer longitudinal rib 4 and simultaneously block a force transmission path between the node steel sleeve 1 and the upper section column body steel sleeve 13, the height difference between the lower end face of the upper section column body steel sleeve 13 and the upper end face of the laminated layer concrete is not less than 20 mm. A lower section column body steel sleeve 12 of the steel tube confined concrete column is arranged below the node steel sleeve 1, and similarly, in order to block a force transmission path between the node steel sleeve 1 and the lower section column body steel sleeve 12, a gap of 20 +/-2 mm is reserved between the lower end face of the node steel sleeve 1 and the upper end face of the lower section column body steel sleeve 12.
In this embodiment, the ends of the beam laminated layer longitudinal bars 4 are bent downward and extended into the node steel sleeve 1 to further improve the connection strength of the beam 11 and the column.
Fig. 3 shows a second embodiment of the present invention, and compared with the first embodiment, two steel connecting brackets 2 are oppositely arranged on the outer pipe wall at the left and right sides of the node steel sleeve 1.
Referring to fig. 4, based on the beam-column joint area connection structure in the second embodiment, the second embodiment further discloses a steel pipe partially through type beam-column hybrid frame joint for simultaneously connecting two beams 11 and one column, in which the beam-column hybrid frame joint has the beam-stacking layer longitudinal bars 4 of the two beams 11 in common.
In conclusion, the upper end surface of the node steel sleeve 1 is lower than the plane where the beam laminated layer longitudinal rib 4 is located, so that the node steel sleeve 1 adopts a partially through type which does not completely penetrate through the core area of the beam-column node, the beam laminated layer longitudinal rib 4 can be directly installed in a column steel rib framework 5 at the upper end of the node steel sleeve 1 from top to bottom, and compared with a form of drilling and penetrating ribs, the construction and installation process is more convenient; the region without steel pipe constraint between the upper section column body steel sleeve 13 and the node steel sleeve 1 can meet the stress requirement only by constructing the stirrups 10 for encryption, the structure is relatively simple and reasonable, and the effective constraint on the node core region can be ensured; 11 bottom atress muscle of roof beam can be directly through 3, the steel connection bracket 2 of inlaying, node steel casing pipe 1 and the effectual node transmission of power of baffle 9, 11 bottom atress muscle of roof beam no longer need penetrate the node in, very big simplification construction process.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.
Claims (9)
1. The utility model provides a beam column node district connection structure, a serial communication port, including node steel casing pipe, be provided with steel connection bracket on node steel casing pipe's the outer pipe wall, steel connection bracket is used for connecting the steel connecting piece of inlaying in the beam-ends, just under the connection status of steel connection bracket and steel connecting piece, node steel casing pipe's up end is less than roof beam lamination layer and indulges muscle place plane to make roof beam lamination layer indulge the muscle and penetrate in the post steel framework of node steel casing pipe upper end.
2. The beam-column joint area connection structure of claim 1, wherein the steel connection bracket comprises a bottom plate and a vertical web disposed on the bottom plate.
3. A beam-column joint zone connection according to claim 2, wherein studs are provided on the vertical web or/and the base plate.
4. The beam-column joint region connecting structure according to claim 3, wherein a partition is further arranged in the pipe cavity of the joint steel sleeve, and the partition is used for transmitting the stress of the bottom plate and positioning column longitudinal bars in a column reinforcement framework.
5. The beam-column joint area connection structure according to claim 4, wherein the bulkhead is welded to the inner pipe wall of the joint steel sleeve and is flush with the bottom plate in the axial direction of the joint steel sleeve.
6. The beam-column joint area connecting structure according to claim 4 or 5, wherein a plurality of rib penetrating holes corresponding to each column longitudinal rib one to one are uniformly distributed on the partition plate according to a ring shape, and a pouring hole is formed in the axis of the partition plate.
7. A steel pipe partially-through type beam-column mixed frame node is characterized by comprising the beam-column node area connecting structure according to any one of claims 1 to 6, connecting area concrete is poured between the beam-column node area connecting structure and a beam, interconnected steel connecting brackets and steel connecting pieces are pre-embedded in the connecting area concrete, superposed layer concrete is further poured on the upper portion of the beam, beam superposed layer longitudinal ribs are embedded in the superposed layer concrete, the beam superposed layer longitudinal ribs penetrate through a column reinforcement framework at the upper end of a node steel sleeve, column body concrete is further poured in the node area steel sleeve, and the column body concrete is connected with the superposed layer concrete into a whole through the connecting area concrete.
8. The steel pipe partially through type beam-column hybrid frame joint according to claim 7, wherein a plurality of stirrups are added in the concrete of the connection area, and the stirrups connect the beam-laminated layer longitudinal bars, the steel connection brackets and the steel connectors into a whole.
9. The steel pipe partially-through type beam-column hybrid frame joint according to claim 7 or 8, wherein the height difference between the lower end face of the steel sleeve of the upper section of the column body and the upper end face of the laminated layer concrete is not less than 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220122713.5U CN216616214U (en) | 2022-01-18 | 2022-01-18 | Beam column joint area connecting structure and steel pipe local through type beam column hybrid frame joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220122713.5U CN216616214U (en) | 2022-01-18 | 2022-01-18 | Beam column joint area connecting structure and steel pipe local through type beam column hybrid frame joint |
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| Publication Number | Publication Date |
|---|---|
| CN216616214U true CN216616214U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220122713.5U Active CN216616214U (en) | 2022-01-18 | 2022-01-18 | Beam column joint area connecting structure and steel pipe local through type beam column hybrid frame joint |
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| Country | Link |
|---|---|
| CN (1) | CN216616214U (en) |
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2022
- 2022-01-18 CN CN202220122713.5U patent/CN216616214U/en active Active
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