CN210767231U - Support-free prefabricated assembly type steel reinforced concrete beam column joint with bracket - Google Patents
Support-free prefabricated assembly type steel reinforced concrete beam column joint with bracket Download PDFInfo
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- CN210767231U CN210767231U CN201921012809.0U CN201921012809U CN210767231U CN 210767231 U CN210767231 U CN 210767231U CN 201921012809 U CN201921012809 U CN 201921012809U CN 210767231 U CN210767231 U CN 210767231U
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Abstract
The utility model relates to a civil engineering field discloses a take bracket to exempt from to support prefabricated assembled shaped steel concrete beam column node. The node comprises a prefabricated upper column, a prefabricated lower column and two prefabricated beams, wherein the prefabricated upper column and the prefabricated lower column are vertically arranged, and the two prefabricated beams are horizontally arranged; the prefabricated upper column, the prefabricated lower column and each prefabricated beam are embedded with profile steel, and the top end of the prefabricated lower column is provided with a bracket; the side ends of the section steel in the precast beams are provided with outer flanges extending out of the precast beams, and the outer flanges on the two precast beams are placed on the lower flange at the lower part of the bracket and are fixedly connected with the upper flange at the upper part of the bracket. The utility model provides a beam column node is through using pre-buried shaped steel enhancement connection with frame roof beam, post component to use the bracket to realize shelving temporarily of roof beam, thereby accomplish to exempt from to support, not only improved the efficiency of on-the-spot component installation, and still improved the regional intensity of node and safe and reliable degree, strengthened the bearing capacity and the anti-seismic performance of frame construction system.
Description
Technical Field
The utility model relates to a civil engineering field, in particular to take bracket to exempt from to support prefabricated assembled shaped steel concrete beam column node.
Background
A prefabricated assembly type building is a building mode formed by splicing an assembly type integral framework spliced by a plurality of prefabricated components. For the assembled integral frame, the reliability and convenience of the connection node of each prefabricated part play a very important role, and the stability, the anti-seismic performance and the like of the assembled building can be directly influenced. Thus, in recent earthquake disasters, the destruction of prefabricated building structures is mainly caused by weak node connections of the prefabricated structures and unreasonable structural failure paths.
In the existing matched integral frame structure, beam column members are generally prefabricated in a factory, and connecting nodes of the prefabricated members are poured for the second time. In the implementation process of the existing domestic assembly type building, the auxiliary connection of the section steel is also developed, namely a method for embedding part of the section steel at the end part of a member, installing and connecting the precast beam and the precast column by means of the section steel on site and then pouring a node area for fixing is developed. But the research on the fabricated steel reinforced concrete structure, namely the nodes of the steel reinforced concrete beam and the column, is very little in the true sense, and the actual case of the engineering is more rare.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a take bracket to exempt from to support prefabricated assembled shaped steel concrete beam column node.
According to one aspect of the utility model, the support-free prefabricated assembly type steel reinforced concrete beam column joint with the bracket comprises a prefabricated upper column and a prefabricated lower column which are vertically arranged, and two prefabricated beams which are horizontally arranged; the prefabricated upper column, the prefabricated lower column and each prefabricated beam are pre-embedded with section steel arranged in a full length mode, and a bracket is arranged at the top end of the prefabricated lower column; the side ends of the section steel in the precast beams are provided with outer flanges extending out of the precast beams, and the outer flanges on the two precast beams are placed on the lower flange at the lower part of the bracket and are fixedly connected with the upper flange at the upper part of the bracket.
The utility model provides a take bracket to exempt from to support prefabricated assembled shaped steel concrete beam column node is through using pre-buried shaped steel enhancement connection with frame roof beam, post component to use the bracket to realize shelving temporarily of roof beam, thereby accomplish to exempt from to support, not only improved the efficiency of on-the-spot component installation, and still improved the regional intensity of node and safe and reliable degree, strengthened the bearing capacity and the anti-seismic performance of frame construction system.
In some embodiments, the bottom of the section steel in the prefabricated upper column extends to the bottom of the prefabricated upper column, the top of the section steel in the prefabricated lower column extends to the top of the prefabricated lower column, and the prefabricated upper column and the section steel in the prefabricated lower column are welded and fixed. Therefore, the connection mode of the section steel between the prefabricated upper column and the prefabricated lower column is provided, and the section steel can be connected through bolts or in butt welding.
In some embodiments, a plurality of steel bars extend from the bottom of the prefabricated upper column and the top of the prefabricated lower column, and the steel bars extending from the prefabricated upper column and the prefabricated lower column are respectively connected by a plurality of cold extrusion sleeves. Therefore, a connection mode of the steel bars between the prefabricated upper column and the prefabricated lower column is set.
In some embodiments, the top height of the outer flange is the same as the top height of the section steel on which the outer flange is arranged, and the bottom height is higher than the bottom height of the section steel on which the outer flange is arranged. Therefore, the whole height of the outer flange is smaller than that of the section steel on which the outer flange is arranged, and the bottom of the outer flange is recessed and can be used for stable placement.
In some embodiments, a support portion extends from each side of the lower flange, and the outer flanges of the two precast beams rest on the two support portions, respectively. Thus, the arrangement that the outer flange is placed on the lower flange is provided, so that the precast beam can be placed on the precast lower column to be conveniently supported by the precast lower column.
In some embodiments, a plurality of annular ribs are arranged in the precast beam side by side, and the top of each annular rib extends to the outside of the precast beam and is connected with a beam top longitudinal rib which extends transversely and is fixedly connected with the upper flange. From this, set up roof beam top longitudinal rib and be connected with the upper limb, can further stabilize the installation of precast beam.
In some embodiments, the outer side surface of the upper flange is a variable cross section, two sides of the upper flange are respectively connected with the outer flanges of the two precast beams, and the upper side of the upper flange is fixedly connected with each beam top longitudinal rib. From this, set up the structure on the edge of a wing, variable cross section can make things convenient for it to be connected with precast beam in different modes at different positions.
In some embodiments, the upper flange and the outer flange are connected by bolts or butt welding, and are welded and anchored with the beam top longitudinal rib. Therefore, a connection mode of the upper flange and each part of the precast beam is set.
In some embodiments, the prefabricated upper column, the prefabricated lower column and the portion between the prefabricated beams are secondary pouring portions. Therefore, after the prefabricated upper column, the prefabricated lower column and the prefabricated beams are arranged and connected, secondary pouring is carried out on the prefabricated upper column, the prefabricated lower column and the prefabricated beams, and the joints can be thoroughly and stably formed and used for forming the fabricated building.
Drawings
Fig. 1 is a schematic structural view of a support-free prefabricated assembly type steel reinforced concrete beam column node with a bracket according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the prefabricated upper column of FIG. 1;
FIG. 3 is a schematic view of the structure of the prefabricated lower column and bracket shown in FIG. 1;
fig. 4 is a schematic structural view of the precast beam shown in fig. 1.
Wherein: the prefabricated beam comprises a prefabricated upper column 1, a prefabricated lower column 2, a prefabricated beam 3, section steel 4, a bracket 5, a reinforcing steel bar 6, a cold extrusion sleeve 7, an annular rib 30, a beam top longitudinal rib 31, an outer flange 41, a lower flange 51, an upper flange 52 and a supporting part 53.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 schematically shows a structure of a braced-free prefabricated assembly type steel reinforced concrete beam-column joint with a bracket according to an embodiment of the present invention, fig. 2 shows a structure of a prefabricated upper column in fig. 1, fig. 3 shows structures of a prefabricated lower column and a bracket in fig. 1, and fig. 4 shows a structure of a prefabricated beam in fig. 1. As shown in fig. 1-4, the node comprises a prefabricated upper column 1, a prefabricated lower column 2 and two prefabricated beams 3, wherein the prefabricated upper column 1 and the prefabricated lower column 2 are both vertically arranged, and the prefabricated upper column 1 is positioned right above the prefabricated lower column 2; and the two precast beams 3 are both horizontally arranged and are respectively arranged at two sides between the precast upper column 1 and the precast lower column 2.
Prefabricated upper prop 1, prefabricated lower prop 2 and prefabricated beam 3 reinforcing bar 6 are made by the concrete to all have many vertical arrangement's reinforcing bar 6 inside prefabricated upper prop 1 and prefabricated lower prop 2, wherein, each reinforcing bar 6 in prefabricated upper prop 1 all stretches out its bottom, and each reinforcing bar 6 in prefabricated lower prop 2 all stretches out its top to be connected with each reinforcing bar 6 in prefabricated upper prop 1 respectively. Preferably, the bottom end of each steel bar 6 extending from the bottom of the prefabricated upper column 1 and the top end of each steel bar 6 extending from the top of the prefabricated lower column 2 are fixedly connected through a plurality of cold extrusion sleeves 7 respectively.
The steel sections 4 arranged in full length are pre-embedded in the prefabricated upper column 1, the prefabricated lower column 2 and the prefabricated beam 3, wherein the steel sections 4 in the prefabricated upper column 1 extend out of the bottom of the prefabricated upper column 1, and the steel sections 4 in the prefabricated lower column 2 extend out of the top of the prefabricated lower column 2 and are welded and fixed with the steel sections 4 extending out of the prefabricated upper column 1; and the section steel 4 in the precast girders 3 is protruded from the side ends of the precast girders 3 to the outside of the precast girders 3, and the portion thereof protruded to the outside of the precast girders 3 is referred to as an outer flange 41.
Preferably, the top of the outer flange 41 is at the same height as the top of the section steel 4 on which it is located, and the bottom is at a higher height than the bottom of the section steel 4 on which it is located. Thus, the bottom of the outer flange 41 is recessed and horizontal.
Preferably, a plurality of annular ribs 30 are arranged in the precast girders 3 side by side, and the top of each annular rib 30 protrudes to the outside of the precast girders 3 and is commonly connected with a transversely extending roof longitudinal rib 31. And the side ends of the roof longitudinal ribs 31 extend to the outside of the outer flange 41 of the precast beam 3.
And a bracket 5 is arranged and installed at the top end of the prefabricated lower column 2. The corbel 5 includes a lower flange 51 at the lower portion and an upper flange 52 at the upper portion. Wherein, a supporting part 52 extends from both sides of the lower flange 51, and the top of the supporting part 52 is horizontal; while the outer side of the upper flange 52 is of variable cross-section and its top center is preferably horizontal.
The two precast beams 3 can be rested on both sides of the corbel 5, respectively, wherein the bottoms of the outer flanges 41 of the section steels 4 in the two precast beams 3 rest on the support parts 52 on both sides of the lower flange 51 of the corbel 5, respectively, when rested.
Preferably, the lower flange 51 is strongly supported in consideration of a small contact area between the outer flange 41 and the support portion 52, and a number of T-sections may be provided on each portion of the corbel 5 as necessary to reinforce the structure thereof.
And the two precast beams 3 can also be respectively and fixedly installed at the two sides of the bracket 5, wherein, during installation, the side end parts of the outer flange 41 of the section steel 4 in the two precast beams 3 are respectively connected with the two side end surfaces of the upper flange 52 of the bracket 5 through bolts or butt welding.
Preferably, the beam top longitudinal ribs 31 on the two precast beams 3 are welded and anchored with the top surface of the upper flange 52 of the corbel 5.
When the node is arranged in an assembly type building, firstly, a prefabricated upper column 1 and a prefabricated lower column 2 are arranged, and a bracket 5 is arranged on the prefabricated lower column 2; then hoisting each precast beam 3 in place, and matching the outer flange 41 of the section steel 4 on the precast beam with the support part 52 of the bracket 5 for placing, so that the precast beam 3 can be conveniently and fixedly connected with each part of the upper flange 52 of the bracket 5 through the outer flange 41 of the section steel 4 and the beam top longitudinal rib 31 on the precast beam; then, fixedly connecting the prefabricated upper column 1 and the prefabricated lower column 2 through the exposed section steel 4, the steel bar 6 and the cold extrusion sleeve 7; and finally, binding reinforcing steel bars at the positions among the prefabricated upper column 1, the prefabricated lower column 2 and the prefabricated beams 3, and performing secondary pouring with the whole floor slab to form a secondary pouring part.
The utility model provides a take bracket to exempt from to support prefabricated assembled shaped steel concrete beam column node has following advantage: firstly, the section steel 4 is embedded in each part, so that the seismic mechanical property of the whole node is enhanced; secondly, all parts are connected by additionally arranging the section steel 4 for welding, and the fault tolerance and the reliability are better compared with the connection only by using the steel bar 6; thirdly, the precast beam 3 is placed through the supporting part 52 of the lower flange 51 of the bracket 5, so that the precast beam 3 is free of support in a construction site, the construction process is simplified, the construction efficiency is improved, and the construction period is shortened; finally, the outer flange 41 of the section steel 4 and the beam top longitudinal rib 31 on the precast beam 3 are simultaneously connected with the upper flange 52 of the corbel 5 from two directions, so that the installation stability of the precast beam 3 can be further improved.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (9)
1. The utility model provides a take bracket to exempt from to support prefabricated assembled shaped steel concrete beam column node which characterized in that: the prefabricated beam comprises a prefabricated upper column (1) and a prefabricated lower column (2) which are vertically arranged, and two prefabricated beams (3) which are horizontally arranged; section steel (4) which is arranged in a full-length mode is pre-embedded in the prefabricated upper column (1), the prefabricated lower column (2) and each prefabricated beam (3), and a bracket (5) is arranged at the top end of the prefabricated lower column (2); wherein the side end of the section steel (4) in the precast beam (3) is provided with an outer flange (41) extending out of the precast beam (3), and the outer flanges (41) on the two precast beams (3) are respectively rested on a lower flange (51) at the lower part of the bracket (5) and are respectively fixedly connected with an upper flange (52) at the upper part of the bracket (5).
2. The support-free prefabricated assembly type steel reinforced concrete beam column node with the bracket according to claim 1, is characterized in that: the bottom of the section steel (4) in the prefabricated upper column (1) extends to the bottom of the prefabricated upper column (1), the top of the section steel (4) in the prefabricated lower column (2) extends to the top of the prefabricated lower column (2), and the prefabricated upper column (1) and the section steel (4) in the prefabricated lower column (2) are welded and fixed.
3. The support-free prefabricated assembly type steel reinforced concrete beam column node with the bracket as claimed in claim 2, wherein: the prefabricated upper column is characterized in that a plurality of steel bars (6) extend out of the bottom of the prefabricated upper column (1) and the top of the prefabricated lower column (2), and the steel bars (6) extending out of the prefabricated upper column (1) and the prefabricated lower column (2) are respectively connected through a plurality of cold extrusion sleeves (7).
4. The support-free prefabricated assembly type steel reinforced concrete beam column node with the bracket according to claim 1, is characterized in that: the top height of the outer flange (41) is consistent with the top height of the section steel (4) where the outer flange is located, and the bottom height of the outer flange is higher than the bottom height of the section steel (4) where the outer flange is located.
5. The braced-free prefabricated assembly type steel reinforced concrete beam-column joint with the brackets according to claim 4, is characterized in that: two supporting parts (53) extend out of two sides of the lower flange (51), and the outer flanges (41) on the two precast beams (3) are respectively placed on the two supporting parts (53).
6. The support-free prefabricated assembly type steel reinforced concrete beam column node with the bracket according to claim 1, is characterized in that: a plurality of annular ribs (30) are arranged in the precast beam (3) side by side, the top of each annular rib (30) extends out of the outer part of the precast beam (3) and is connected with a beam top longitudinal rib (31) which extends transversely, and the beam top longitudinal rib (31) is fixedly connected with the upper flange (52).
7. The braced-free prefabricated assembly type steel reinforced concrete beam-column joint with the brackets according to claim 6, is characterized in that: the outer side surface of the upper flange (52) is a variable cross section, two sides of the upper flange are respectively connected with the outer flanges (41) on the two precast beams (3), and the upper side of the upper flange is fixedly connected with each beam top longitudinal rib (31).
8. The braced-free prefabricated assembly type steel reinforced concrete beam-column joint with the brackets according to claim 7, is characterized in that: the upper flange (52) and the outer flange (41) are connected through bolts or are in butt welding, and are welded and anchored with the beam top longitudinal rib (31).
9. The support-free prefabricated assembly type steel reinforced concrete beam column node with the bracket according to claim 1, is characterized in that: the parts among the prefabricated upper column (1), the prefabricated lower column (2) and the prefabricated beams (3) are secondary pouring parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921012809.0U CN210767231U (en) | 2019-07-02 | 2019-07-02 | Support-free prefabricated assembly type steel reinforced concrete beam column joint with bracket |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921012809.0U CN210767231U (en) | 2019-07-02 | 2019-07-02 | Support-free prefabricated assembly type steel reinforced concrete beam column joint with bracket |
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| CN210767231U true CN210767231U (en) | 2020-06-16 |
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| CN201921012809.0U Active CN210767231U (en) | 2019-07-02 | 2019-07-02 | Support-free prefabricated assembly type steel reinforced concrete beam column joint with bracket |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115262777A (en) * | 2022-08-08 | 2022-11-01 | 中国化学工程第六建设有限公司 | Construction process of section steel concrete structure for super high-rise building |
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2019
- 2019-07-02 CN CN201921012809.0U patent/CN210767231U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115262777A (en) * | 2022-08-08 | 2022-11-01 | 中国化学工程第六建设有限公司 | Construction process of section steel concrete structure for super high-rise building |
| CN115262777B (en) * | 2022-08-08 | 2023-04-25 | 中国化学工程第六建设有限公司 | Construction process of steel reinforced concrete structure for super high-rise building |
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Address after: No. 86, Chuangye Road, Jianye District, Nanjing, Jiangsu, 210000 Patentee after: Jiangsu architectural design and Research Institute Co.,Ltd. Address before: 210000 No.86, creative road, Xincheng Science Park, Jianye District, Nanjing City, Jiangsu Province Patentee before: JIANGSU PROVINCIAL ARCHITECTURAL D&R INSTITUTE Ltd. |