CN209837321U - Connection node of superposed beam and prefabricated column - Google Patents
Connection node of superposed beam and prefabricated column Download PDFInfo
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- CN209837321U CN209837321U CN201920338380.8U CN201920338380U CN209837321U CN 209837321 U CN209837321 U CN 209837321U CN 201920338380 U CN201920338380 U CN 201920338380U CN 209837321 U CN209837321 U CN 209837321U
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Abstract
The utility model provides a superposed beam and prefabricated column's connected node relates to the building field. The connecting node of the superposed beam and the prefabricated column comprises connecting steel bars and profile steel embedded parts which are embedded in the prefabricated column, wherein the end parts of the connecting steel bars are provided with connecting sleeves used for being connected with the superposed beam, and the end parts of the profile steel embedded parts extend out of the prefabricated column; the upper longitudinal stressed steel bar, the lower longitudinal stressed steel bar and the tongue-and-groove are arranged on the superposed beam; the upper longitudinal stressed steel bar is connected with the connecting sleeve, the rabbet is matched with the extending end of the profile steel embedded part, and the lower longitudinal stressed steel bar is connected with the profile steel embedded part; and the profile steel embedded part is provided with a through hole, and the lower longitudinal stress steel bar penetrates through the through hole to be connected with the profile steel embedded part. The utility model discloses a connected node has improved the intensity of beam column node, has increased the hoist and mount precision of superposed beams, has reduced the quantity of interim support and template, has reduced the construction degree of difficulty.
Description
Technical Field
The utility model relates to a building field especially relates to the connected node of coincide roof beam and prefabricated post.
Background
The existing composite beam and the prefabricated column are generally connected by adopting the following method: 1) and 2) casting the node core area of the superposed beam and the prefabricated column in situ, and casting the node core area and the beam end post-cast section in situ. The longitudinal stressed steel bars at the lower part of the superposed beam extend into the post-cast joint area to be anchored and connected, and the longitudinal stressed steel bars at the upper part of the superposed beam penetrate through the core area of the post-cast joint; the longitudinal stressed steel bars at the lower part of the beam are mechanically connected or lapped in a node core area, or are connected by steel bar sleeves in a post-cast section at the end of the beam.
However, the above-mentioned method for connecting the precast columns and the composite girders has the following disadvantages: the number of steel bars in the core area of the node is large, the avoidance of the steel bars needs to be considered during hoisting, the steel bar binding process is complicated, and the workload and the time consumption are too large; when the post-cast section of the beam end is cast in place or reserved in the node area, temporary supports or templates need to be erected on site, and construction efficiency is not high.
Disclosure of Invention
Based on this, it is necessary to provide a connection node of a composite beam and a prefabricated column aiming at the technical problems of a large number of steel bars and low hoisting precision of the connection node of the existing composite beam and the prefabricated column.
A connecting node of a superposed beam and a prefabricated column comprises connecting steel bars and a profile steel embedded part, wherein the connecting steel bars and the profile steel embedded part are embedded in the prefabricated column;
the upper longitudinal stressed steel bar, the lower longitudinal stressed steel bar and the tongue-and-groove are arranged on the superposed beam; the upper longitudinal stressed steel bar is connected with the connecting sleeve, the rabbet is matched with the extending end of the profile steel embedded part, and the lower longitudinal stressed steel bar is connected with the profile steel embedded part; and the profile steel embedded part is provided with a through hole, and the lower longitudinal stress steel bar penetrates through the through hole to be connected with the profile steel embedded part.
According to the connecting joint of the superposed beam and the prefabricated column, the tongue-and-groove is formed in the beam end of the superposed beam, the profile steel embedded part in the prefabricated column is embedded with the tongue-and-groove, the hoisting precision is improved, the profile steel embedded part can be used as a temporary support, and after a concrete superposed layer is finished, permanent support and effective connection between the superposed beam and the prefabricated column can be formed.
In one embodiment, the profile steel embedded part comprises vertical stress steel plates, horizontal connecting steel plates and end connecting steel plates, the number of the vertical stress steel plates is greater than or equal to 3, the horizontal connecting steel plates are welded on the upper portion and/or the lower portion of the vertical stress steel plates, the end connecting steel plates are welded at two ends of the vertical stress steel plates, the end connecting steel plates are provided with the through holes, and the through holes are bolt holes.
In one embodiment, the end connection steel plate is provided with a plurality of open bolt holes. The number of the open bolt holes on the end connecting steel plate is the same as that of the lower longitudinal stress reinforcing steel bars of the superposed beam, and each lower longitudinal stress reinforcing steel bar penetrates into one open bolt hole.
In one embodiment, the end connection steel plate is provided with 2 open bolt holes, and the end connection steel plate is in an inverted M shape.
In one embodiment, the lower longitudinal stressed steel bar is connected with the section steel embedded part through a gasket and a nut.
In one embodiment, the upper longitudinal load bar is threaded into the coupling sleeve by threads at its ends. The number of the connecting sleeves on one side of the prefabricated column is the same as that of the upper longitudinal stressed steel bars on the adjacent superposed beams; the position of the connecting sleeve corresponds to the position of the upper longitudinal stress steel bar.
In one embodiment, the connecting sleeve is a reducing sleeve, the diameter of the connecting steel bar is larger than that of the upper longitudinal stressed steel bar, and the connecting steel bar can still be in an elastic state when the upper longitudinal stressed steel bar of the composite beam yields.
In one embodiment, the prefabricated columns are reinforced concrete prefabricated columns, and the superposed beams are reinforced concrete prefabricated beams.
In one embodiment, the composite beam comprises a prefabricated layer and a composite layer, wherein the upper longitudinal stress steel bar is positioned on the composite layer, and the lower longitudinal stress steel bar is positioned on the prefabricated layer. And the upper longitudinal stressed steel bars are bound and fixed with the outward extending stirrups on the superposed beam.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the groove is arranged on the superposed beam, the profile steel embedded part in the prefabricated column is embedded with the groove, so that the hoisting precision is improved, the profile steel embedded part can be used as a temporary support, and after the concrete superposed layer is finished, a permanent support and effective connection between the superposed beam and the prefabricated column can be formed;
(2) the node areas of the superposed beams and the prefabricated columns only need to arrange longitudinal stressed steel bars on the upper parts of the superposed beams outside the binding node areas, so that the construction difficulty is greatly reduced;
(3) when the longitudinal stressed steel bars on the upper part of the superposed beam yield, the connecting steel bars in the prefabricated columns are still in an elastic state, so that the strength of the connecting nodes can be ensured.
Drawings
Fig. 1 is a sectional view of the connection node of the present invention;
fig. 2 is a sectional view of a tongue and groove of the composite beam according to the present invention;
fig. 3 is a cross-sectional view of the lower end of the connection node of the present invention;
fig. 4 is a sectional view of the upper end of the connection node of the present invention;
FIG. 5 is a front view of the steel profile embedded part of the present invention;
FIG. 6 is a side view of the steel section embedded part of the present invention;
FIG. 7 is a top view of the steel section embedded part of the present invention;
in the drawings, 1-a composite beam; 2-prefabricating a column; 3-profile steel embedded parts; 4-connecting reinforcing steel bars; 5-connecting the sleeve; 6-upper longitudinal stressed steel bars; 7-longitudinal stress steel bars at the lower part; 8-a gasket; 9-a nut; 10-tongue-and-groove; 11-vertical stressed steel plate; 12-horizontal connecting steel plates; 13-end connecting steel plates; 14-open bolt hole.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. A preferred embodiment of the present invention is shown in fig. 1-7. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
A connecting node of a superposed beam and a prefabricated column comprises connecting steel bars 4 and section steel embedded parts 3 which are embedded in the prefabricated column 2, wherein the end parts of the connecting steel bars 4 are provided with connecting sleeves 5 which are used for being connected with the superposed beam 1, and the end parts of the section steel embedded parts 3 extend out of the prefabricated column 2; the superposed beam 1 is provided with an upper longitudinal stressed steel bar 6, a lower longitudinal stressed steel bar 7 and a tongue-and-groove 10. The superposed beam 1 is a reinforced concrete prefabricated beam, and the prefabricated column 2 is a reinforced concrete prefabricated column.
The section steel embedded part 3 comprises a vertical stress steel plate 11, a horizontal connection steel plate 12 and an end connection steel plate 13, the horizontal connection steel plate 12 is welded on the upper portion and the lower portion of the vertical stress steel plate 11, the end connection steel plate 13 is welded at two ends of the vertical stress steel plate 11, and a plurality of open type bolt holes 14 are formed in the end connection steel plate 13. Preferably, the end connection steel plate 13 is opened with 2 open bolt holes 14, and the end connection steel plate 13 is in an inverted M shape.
The upper longitudinal stressed steel bars 6 are screwed into the connecting sleeves 5 through screw threads at the end parts of the upper longitudinal stressed steel bars, the parts of the profile steel embedded parts 3 extending out of the prefabricated columns 2 are matched with the tongue-and-groove 10, and the lower longitudinal stressed steel bars 7 penetrate through the open bolt holes 14 and are connected with the profile steel embedded parts 3 through gaskets 8 and nuts 9.
The superposed beam 1 comprises a prefabricated layer and a superposed layer, wherein the upper longitudinal stressed steel bar 6 is positioned on the superposed layer, and the lower longitudinal stressed steel bar 7 is positioned on the prefabricated layer. And binding and fixing the upper longitudinal stressed steel bars 6 of the superposed beam 1 and the outward extending stirrups of the superposed beam 1 according to design requirements, and pouring concrete into the superposed layer after the superposed beam 1 and the prefabricated column 2 are installed in place, so that the superposed beam 1 and the prefabricated column 2 form a whole.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A connecting node of a superposed beam and a prefabricated column is characterized by comprising connecting steel bars and a profile steel embedded part, wherein the connecting steel bars and the profile steel embedded part are embedded in the prefabricated column;
the upper longitudinal stressed steel bar, the lower longitudinal stressed steel bar and the tongue-and-groove are arranged on the superposed beam; the upper longitudinal stressed steel bar is connected with the connecting sleeve, the rabbet is matched with the extending end of the profile steel embedded part, and the lower longitudinal stressed steel bar is connected with the profile steel embedded part; and the profile steel embedded part is provided with a through hole, and the lower longitudinal stress steel bar penetrates through the through hole to be connected with the profile steel embedded part.
2. The joint of the composite beam and the precast column according to claim 1, wherein the section steel embedded part comprises vertical stressed steel plates, horizontal connection steel plates and end connection steel plates, the number of the vertical stressed steel plates is greater than or equal to 3, the horizontal connection steel plates are welded on the upper portions and/or the lower portions of the vertical stressed steel plates, the end connection steel plates are welded at two ends of the vertical stressed steel plates, the end connection steel plates are provided with the through holes, and the through holes are bolt holes.
3. A joint of a laminated beam and a precast column according to claim 2, wherein the end connection steel plate is provided with a plurality of open bolt holes.
4. A joint of a laminated beam and a precast column according to claim 3, wherein the end connection steel plate is provided with 2 open bolt holes, and the end connection steel plate is in an inverted M shape.
5. The connection node of the composite beam and the precast column according to any one of claims 1 to 4, wherein the lower longitudinal stressed steel bar is connected with the section steel embedded part through a gasket and a nut.
6. A composite beam to precast column connection node as claimed in claim 1 wherein the upper longitudinal force bearing rebar is screwed into the connection sleeve by a screw thread at its end.
7. A joint of a composite beam and a precast column according to claim 6, wherein the connecting sleeve is a reducing sleeve, and the diameter of the connecting steel bar is larger than that of the upper longitudinal stress steel bar.
8. The coupling node of a superposed beam and a prefabricated column according to claim 1, wherein the prefabricated column is a reinforced concrete prefabricated column, and the superposed beam is a reinforced concrete prefabricated beam.
9. A composite beam to column connection as claimed in claim 1, wherein the composite beam comprises a prefabricated layer and a composite layer, the upper longitudinal load-bearing reinforcing bars being located on the composite layer and the lower longitudinal load-bearing reinforcing bars being located on the prefabricated layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920338380.8U CN209837321U (en) | 2019-03-15 | 2019-03-15 | Connection node of superposed beam and prefabricated column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920338380.8U CN209837321U (en) | 2019-03-15 | 2019-03-15 | Connection node of superposed beam and prefabricated column |
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| Publication Number | Publication Date |
|---|---|
| CN209837321U true CN209837321U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920338380.8U Active CN209837321U (en) | 2019-03-15 | 2019-03-15 | Connection node of superposed beam and prefabricated column |
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| CN (1) | CN209837321U (en) |
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- 2019-03-15 CN CN201920338380.8U patent/CN209837321U/en active Active
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Effective date of registration: 20220908 Address after: Room 108, 1st Floor, Building 4, No. 3, Tianyun Road, Tianhe District, Guangzhou City, Guangdong Province, 510600 Patentee after: GUANGZHOU CONSTRUCTION INDUSTRIAL RESEARCH INSTITUTE Co.,Ltd. Patentee after: GUANGZHOU CONSTRUCTION ENGINEERING Co.,Ltd. Address before: 510663 room 108, 1st floor, building 4, No.3 Tianyun Road, Tianhe District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU CONSTRUCTION INDUSTRIAL RESEARCH INSTITUTE Co.,Ltd. |
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| TR01 | Transfer of patent right |