CN217001017U - Be applicable to new and old concrete beam column node reinforced structure - Google Patents
Be applicable to new and old concrete beam column node reinforced structure Download PDFInfo
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- CN217001017U CN217001017U CN202220289006.5U CN202220289006U CN217001017U CN 217001017 U CN217001017 U CN 217001017U CN 202220289006 U CN202220289006 U CN 202220289006U CN 217001017 U CN217001017 U CN 217001017U
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Abstract
The utility model belongs to the technical field of building structures, and particularly relates to a reinforcing structure suitable for new and old concrete beam column joints. The utility model at least comprises the existing concrete columns, three existing concrete beams and newly-added concrete beams; the three existing concrete beams are perpendicular to the side surface of the existing concrete column, and the axial leads of the three beams are intersected on the central axis of the existing concrete column; the newly added concrete beam is vertically arranged on the fourth side surface of the existing concrete column, and the axis of the newly added concrete beam passes through the intersection point of the axes of the three existing concrete beams; and a welding beam vertical to the existing concrete column is arranged in the newly added concrete beam. By adopting the technical scheme, the number of the embedded bars in the core area is reduced, the strength of the node core area is enhanced, the shearing force of the node core area is uniformly dispersed on the column side steel plate and the column side embedded bars, and the anti-seismic performance of the node core area is obviously improved.
Description
Technical Field
The utility model belongs to the technical field of building structures, and particularly relates to a new and old concrete beam column joint reinforcing structure.
Background
With the development of the construction industry in China, due to the change of design, construction, use function and other factors, the projects that the original structure cannot meet the requirement of the reliability of the existing structure, reinforcement and reinforcement are needed, the functional structure cannot be met, and new components are added are increased day by day, the structure which cannot meet the requirement of the current use is reinforced and transformed, the original structure can be fully utilized, the investment is saved, and the structure is effectively reinforced to meet the requirement of the bearing capacity. Because the structural design must follow the principle of 'strong column and weak beam, strong shearing and weak bending, strong node and weak rod', beam-column connection nodes in the frame structure are also important force transmission hubs, the damage of the nodes means the collapse of the components and the whole frame thereof, but most projects cannot meet the corresponding requirements on the reinforcing effect due to the problems of materials and construction. At present, a large number of connection methods of newly-added beams and old frame columns mainly adopt bar planting, the bar planting reinforcement technology has a strict and standard construction process, if the operation is not strictly carried out according to the process flow of bar planting anchoring construction, certain potential safety hazards can be caused to the engineering quality, the potential safety hazards cannot be displayed at ordinary times, and when danger comes, the building can crack or directly collapse. Therefore, the embedded steel bars of the structural nodes are reduced, and the bearing capacity of the structural nodes is improved.
SUMMERY OF THE UTILITY MODEL
In order to reinforce the node core area, enhance the strength of the node core area and reduce the number of embedded bars in the core area, the utility model provides a reinforcing structure suitable for new and old concrete beam column nodes.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a reinforcing structure suitable for new and old concrete beam column joints at least comprises an existing concrete column and three existing concrete beams; the existing concrete column is square, the three existing concrete beams are respectively arranged on three side surfaces of the existing concrete column, and the three existing concrete beams are all vertical to the side surfaces of the existing concrete column; the axial leads of the three existing concrete beams are intersected on the central line of the existing concrete column; the method also comprises the steps of adding a concrete beam; the newly added concrete beam is vertically arranged on the fourth side surface of the existing concrete column, and the axis of the newly added concrete beam passes through the intersection point of the axes of the three existing concrete beams; and a welding beam vertical to the existing concrete column is arranged in the newly added concrete beam.
The welding beam is a pi-shaped welding beam consisting of two vertical surfaces and a horizontal surface.
Two pi-shaped welding beams are arranged; the two Pi-shaped welding beams are arranged up and down and have opposite openings.
The upper surface and the lower surface of the horizontal planes of the two Pi-shaped welding beams are respectively and fixedly connected with a plurality of newly-added concrete longitudinal bars vertical to the existing concrete column; and the outer side of the vertical surface of each pi-shaped welding beam is horizontally and fixedly connected with a welding beam stud.
The steel plate is reinforced; the reinforcing steel plates are respectively fixed on the peripheral surfaces of the existing concrete columns, the existing concrete beams and the newly added concrete beams.
The reinforced steel plate comprises a column side steel plate, a beam top steel plate, a beam bottom steel plate and a plate bottom steel plate; the column side steel plates are fixed on four side surfaces of the existing concrete column; the beam side steel plate, the beam top steel plate and the beam bottom steel plate are respectively fixed on the side surface, the top surface and the bottom surface of the existing concrete beam and the newly-added concrete beam; the beam top steel plate is fixedly connected with the column side steel plate; the beam side steel plates on two sides of each beam are fixed in a counter-pulling mode; the beam side steel plate is fixedly connected with the beam bottom steel plate; the bottom steel plate is arranged between the floor slab and the existing concrete beam and is fixed with the beam top steel plate in a counter-pulling mode.
Structural adhesives are arranged between the column side steel plate and four side faces of the existing concrete column, between the beam side steel plate and the side face of each beam, between the beam top steel plate and the top face of each beam, between the beam bottom steel plate and the bottom face of each beam, and between the plate bottom steel plate and the floor slab.
The column side steel plate is fixedly connected with the existing concrete column through embedded steel bars, and the embedded steel bars are arranged in a quincunx shape; the height of the column side steel plate is more than twice of the height of the existing concrete beam.
And a column side stud is vertically arranged at the joint of the column side steel plate and the newly added concrete beam.
Anchor bolt holes are formed in the two sides of the existing concrete beam and the newly added concrete beam; a chemical anchor bolt is arranged in the anchor bolt hole; and the chemical anchor bolts are used for oppositely pulling and fixing the beam side steel plates on the existing concrete beam and the newly added concrete beam.
Has the advantages that:
(1) the utility model reduces the quantity of the embedded bars in the core area by organically combining the newly added concrete beam, the welded beam, the newly added concrete longitudinal bar, the column side steel plate, the beam top steel plate, the beam bottom steel plate, the plate bottom steel plate, the column side stud, the welded beam stud, the embedded bar steel bar and the chemical anchor bolt with the existing concrete column and the existing concrete beam.
(2) The utility model reinforces the node core area by adopting the composite action of the Pi-shaped welding beam and the externally-wrapped reinforced concrete, and enhances the strength of the node core area.
(3) The utility model has simple structure and convenient construction.
(4) According to the utility model, the stud at the column side is vertically arranged on the steel plate at the column side, and the setting range is the junction of the newly added concrete beam and the steel plate at the column side, so that the cohesiveness of the newly added concrete beam and the steel plate at the column side is effectively improved, and the interface area between the steel plate and the concrete is prevented from peeling and sliding.
(5) By adopting the technical scheme, the shearing force of the node core area is uniformly dispersed to the column side steel plate and the column side embedded bars, the stress is more uniform, and the seismic performance of the node core area is obviously improved.
The foregoing is merely an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to be implemented in accordance with the content of the description, the following is a detailed description of preferred embodiments of the present invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic top view of a reinforced joint of the present invention;
FIG. 2 is a front cross-sectional view of the reinforcing node of the present invention;
FIG. 3 is a schematic right side view of a reinforced node of the present invention;
fig. 4 is a schematic sectional view taken along line a-a in fig. 1.
In the figure: 1-existing concrete columns; 2-existing concrete beam; 3-adding a concrete beam; 4-welding the beam; 5-adding concrete longitudinal bars; 6-column side steel plate; 7-beam side steel plate; 8-beam top steel plate; 9-beam bottom steel plate; 10-a bottom plate; 11-side stud; 12-welding beam studs; 13-planting reinforcing steel bars; 14-chemical anchor bolt.
The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clear and clear, and to implement them in accordance with the content of the description, the following is a detailed description of preferred embodiments of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-4, the new and old concrete beam column joint reinforcing structure at least comprises an existing concrete column 1 and three existing concrete beams 2; the existing concrete column 1 is square, the three existing concrete beams 2 are respectively arranged on three side surfaces of the existing concrete column 1, and the three existing concrete beams 2 are all vertical to the side surfaces of the existing concrete column 1; the axial leads of the three existing concrete beams 2 are intersected on the central line of the existing concrete column 1; the method also comprises a newly added concrete beam 3; the newly added concrete beam 3 is vertically arranged on the fourth side surface of the existing concrete column 1, and the axis of the newly added concrete beam passes through the intersection point of the axes of the three existing concrete beams 2; and a welding beam 4 vertical to the existing concrete column 1 is arranged in the newly added concrete beam 3.
When the concrete beam is applied, the newly added concrete beam and the welding beam are organically combined with the existing concrete column and the existing concrete beam, the number of embedded bars in the core area of the structural node is reduced, the bearing capacity of the structural node is improved and potential safety hazards are effectively reduced through a simple structure and convenient construction on the basis of ensuring the strength requirement.
Example two:
referring to fig. 1 and 4, a reinforcing structure suitable for joints of new and old concrete beams and columns is shown, and on the basis of the first embodiment, the welded beam 4 is a pi-shaped welded beam consisting of two vertical surfaces and a horizontal surface.
Furthermore, two pi-shaped welding beams are arranged; the two Pi-shaped welding beams are arranged up and down and have opposite openings.
In actual use, the strength of the core area of the node is enhanced by reinforcing the core area of the node through the combined action of the Pi-shaped welding beam and the externally-wrapped reinforced concrete.
Two pi welding roof beams set up and down and the opening is relative, help pouring of concrete, avoid newly-increased concrete beam inside to appear the cavity.
Example three:
referring to the reinforcing structure suitable for the new and old concrete beam column joints shown in fig. 1 and 4, on the basis of the second embodiment, a plurality of newly-added concrete longitudinal bars 5 are fixedly connected to the upper surface and the lower surface of the horizontal plane of the two pi-shaped welding beams, which are perpendicular to the existing concrete column 1 respectively; and the outer side of the vertical surface of each Pi-shaped welding beam is horizontally and fixedly connected with a welding beam stud 12.
In actual use, the newly added concrete longitudinal ribs 5 and the welding beam studs 12 are arranged, so that the bonding property of the newly added concrete beam 3 and the Pi-shaped welding beam is improved.
In this embodiment, a plurality of newly-added concrete longitudinal bars 5 and the pi-shaped welding beam are welded, so that the connection is convenient, and the stability is good.
Example four:
referring to fig. 1-4, a reinforcing structure suitable for joints of new and old concrete beams and columns is shown, and on the basis of the first embodiment, the reinforcing structure further comprises a reinforcing steel plate; the reinforcing steel plates are respectively fixed on the peripheral surfaces of the existing concrete column 1, the existing concrete beam 2 and the newly-added concrete beam 3.
Further, the reinforcing steel plate comprises a column side steel plate 6, a beam side steel plate 7, a beam top steel plate 8, a beam bottom steel plate 9 and a plate bottom steel plate 10; the column side steel plates 6 are fixed on four side surfaces of the existing concrete column 1; the beam side steel plate 7, the beam top steel plate 8 and the beam bottom steel plate 9 are respectively fixed on the side surface, the top surface and the bottom surface of the existing concrete beam 2 and the newly-added concrete beam 3; the beam top steel plate 8 is fixedly connected with the column side steel plate 6; the beam side steel plates 7 on the two sides of each beam are fixed in a counter-pulling mode; the beam side steel plate 7 is fixedly connected with the beam bottom steel plate 9; the bottom plate steel plate 10 is arranged between the floor slab and the existing concrete beam 2 and is fixed with the beam top steel plate 8 in a counter-pulling mode.
When in actual use, the steel plates are firstly roughened on the contact surfaces of the existing concrete columns 1, the existing concrete beams 2 and the newly added concrete beams 3, and then the steel plates are installed, so that the installation stability is better.
The reinforcing steel plate adopts the technical scheme, not only is the existing concrete column 1, the existing concrete beam 2 and the newly-added concrete beam 3 further reinforced, but also the node reinforcing structure of the new concrete column and the old concrete column is more stable.
Example five:
referring to fig. 1-4, a new and old concrete beam column joint reinforcing structure is shown, based on the fourth embodiment: structural glue is arranged between the column side steel plate 6 and four side faces of the existing concrete column 1, between the beam side steel plate 7 and the side face of each beam, between the beam top steel plate 8 and the top face of each beam, between the beam bottom steel plate 9 and the bottom face of each beam, and between the plate bottom steel plate 10 and a floor slab.
In actual use, firstly, roughening treatment is carried out on contact surfaces of a steel plate and an existing concrete column 1, an existing concrete beam 2 and a newly-added concrete beam 3, and then column side steel plates 6 are respectively bonded to four side surfaces of the existing concrete column 1 through structural adhesive; bonding a beam-side steel plate 7 to a side surface of each beam, and bonding a beam-top steel plate 8 to a top surface of each beam; bonding a beam bottom steel plate 9 to the bottom surface of each beam; the bottom steel plate 10 is bonded to the bottom surface of the floor slab.
By adopting the technical scheme, the existing concrete column 1, the existing concrete beam 2 and the newly added concrete beam 3 are firmer.
Example six:
referring to fig. 1-4, a new and old concrete beam column joint reinforcing structure is shown, based on the fourth embodiment or the fifth embodiment: the column side steel plate 6 is fixedly connected with the existing concrete column 1 through steel bar planting reinforcements 13, and the steel bar planting reinforcements 13 are arranged in a quincunx shape; the height of the column-side steel plate 6 is more than twice the height of the existing concrete beam 2.
When in actual use, the side steel plate 6 and the existing concrete column 1 are through planting muscle reinforcing bar 13 fixed connection for the side steel plate 6 is inseparabler with being connected of existing concrete column 1, and planting muscle reinforcing bar 13 adopts the plum blossom shape to arrange and makes the steadiness better.
The height of the column side steel plate 6 is larger than the height of the existing concrete beam 2 by two times, so that the effective transmission of the shearing force of the beam end on the column is facilitated, and the shearing damage of the beam column node is prevented.
Example six:
referring to fig. 1-4, a new and old concrete beam column joint reinforcing structure is shown, based on the fourth embodiment or the fifth embodiment: and a column side stud 11 is vertically arranged at the joint of the column side steel plate 6 and the newly added concrete beam 3.
In actual use, the column side stud 11 is connected with the column side steel plate 6 through welding, the setting range is mainly at the junction of the newly added concrete beam 3 and the column side steel plate 6, the adhesion of the newly added concrete beam 3 and the column side steel plate 6 is improved, and the interface area between the steel plate and the concrete is prevented from peeling and sliding.
Example seven:
referring to fig. 1-3, on the basis of the fourth embodiment, anchor bolt holes are formed in two sides of the existing concrete beam 2 and the new concrete beam 3; a chemical anchor bolt 14 is arranged in the anchor bolt hole; the chemical anchor bolts 14 are used for fixing the beam side steel plates 7 on the existing concrete beam 2 and the newly added concrete beam 3 in a counter-pulling mode.
When in actual use, the adoption of the technical scheme ensures that the reinforcing structure of the new and old concrete beam-column joint is more stable. The adoption of the chemical anchor bolts 14 enables the stress cooperativity of the existing concrete beam and the newly added concrete beam with the beam side steel plate to be stronger, and prevents the interface area between the steel plate and the concrete from peeling and sliding.
Example eight:
referring to fig. 1-4, a reinforcing structure suitable for new and old concrete beam-column joints is shown, and on the basis of the first embodiment, the reinforcing structure further comprises a reinforcing steel plate; the welding beam 4 is a pi-shaped welding beam consisting of two vertical surfaces and a horizontal surface; two pi-shaped welding beams are arranged; the two Pi-shaped welding beams are arranged up and down, and the openings of the two Pi-shaped welding beams are opposite; the upper surface and the lower surface of the horizontal planes of the two Pi-shaped welding beams are respectively and fixedly connected with a plurality of newly-added concrete longitudinal bars 5 which are vertical to the existing concrete column 1; the outer side of the vertical surface of each Pi-shaped welding beam is horizontally and fixedly connected with a welding beam stud 12; the reinforcing steel plates are respectively fixed on the peripheral surfaces of the existing concrete column 1, the existing concrete beam 2 and the newly-added concrete beam 3; the reinforced steel plates comprise a column side steel plate 6, a beam side steel plate 7, a beam top steel plate 8, a beam bottom steel plate 9 and a plate bottom steel plate 10; the column side steel plates 6 are fixed on four side surfaces of the existing concrete column 1; the beam side steel plate 7, the beam top steel plate 8 and the beam bottom steel plate 9 are respectively fixed on the side surface, the top surface and the bottom surface of the existing concrete beam 2 and the newly-added concrete beam 3; the beam top steel plate 8 is fixedly connected with the column side steel plate 6; the beam side steel plates 7 on the two sides of each beam are fixed in a counter-pulling mode; the beam side steel plate 7 is fixedly connected with the beam bottom steel plate 9; the bottom steel plate 10 is arranged between the floor slab and the existing concrete beam 2 and is fixed with the beam top steel plate 8 in a counter-pulling manner; structural glue is arranged between the column side steel plate 6 and four side surfaces of the existing concrete column 1, between the beam side steel plate 7 and the side surface of each beam, between the beam top steel plate 8 and the top surface of each beam, between the beam bottom steel plate 9 and the bottom surface of each beam, and between the plate bottom steel plate 10 and a floor slab; the column side steel plate 6 is fixedly connected with the existing concrete column 1 through steel bar planting reinforcements 13, and the steel bar planting reinforcements 13 are arranged in a quincunx shape; the height of the column side steel plate 6 is more than twice of the height of the existing concrete beam 2; a column side stud 11 is vertically arranged at the joint of the column side steel plate 6 and the newly added concrete beam 3; anchor bolt holes are formed in the two sides of the existing concrete beam 2 and the newly added concrete beam 3; a chemical anchor bolt 14 is arranged in the anchor bolt hole; the chemical anchor bolts 14 are used for fixing the beam side steel plates 7 on the existing concrete beam 2 and the newly added concrete beam 3 in a counter-pulling mode.
The utility model reduces the quantity of embedded bars in the core area by organically combining the newly added concrete beam, the welded beam, the newly added concrete longitudinal bar, the column side steel plate, the beam top steel plate, the beam bottom steel plate, the plate bottom steel plate, the column side stud, the welded beam stud, the embedded bar steel bar and the chemical anchor bolt with the existing concrete column and the existing concrete beam. The utility model strengthens the node core area by adopting the composite action of the Pi-shaped welding beam and the reinforced concrete wrapped outside, thereby enhancing the strength of the node core area. According to the utility model, the column side stud is vertically arranged on the column side steel plate, and the arrangement range is the junction of the newly added concrete beam and the column side steel plate, so that the cohesiveness of the newly added concrete beam and the column side steel plate is effectively improved, and the interface area between the steel plate and the concrete is prevented from peeling and sliding. By adopting the technical scheme, the shearing force of the node core area is uniformly dispersed to the column side steel plate and the column side embedded bars, the stress is more uniform, and the seismic performance of the node core area is obviously improved. The utility model has simple structure and convenient construction.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
In the case of no conflict, a person skilled in the art may combine the relevant technical features in the foregoing examples with each other according to an actual situation to achieve a corresponding technical effect, and details of various combining situations are not described herein again.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
The foregoing is illustrative of the preferred embodiments of the present invention, and the present invention is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. A reinforcing structure suitable for new and old concrete beam column joints at least comprises an existing concrete column (1) and three existing concrete beams (2); the existing concrete column (1) is square, the three existing concrete beams (2) are respectively arranged on three side faces of the existing concrete column (1), and the three existing concrete beams (2) are all perpendicular to the side faces of the existing concrete column (1); the axial leads of the three existing concrete beams (2) are intersected on the central line of the existing concrete column (1); the method is characterized in that: the concrete beam (3) is added; the newly added concrete beam (3) is vertically arranged on the fourth side surface of the existing concrete column (1), and the axis of the newly added concrete beam passes through the intersection point of the axes of the three existing concrete beams (2); and a welding beam (4) vertical to the existing concrete column (1) is arranged in the newly added concrete beam (3).
2. The reinforcing structure for the joints of the new and old concrete beams and columns as claimed in claim 1, wherein: the welding beam (4) is a pi-shaped welding beam consisting of two vertical surfaces and a horizontal surface.
3. The reinforcing structure for the joints of the new and old concrete beams and columns as claimed in claim 2, wherein: two pi-shaped welding beams are arranged; the two Pi-shaped welding beams are arranged up and down and have opposite openings.
4. A new and old concrete beam column joint reinforcing structure suitable for the new and old concrete according to claim 2 or 3, characterized in that: the upper surface and the lower surface of the horizontal planes of the two Pi-shaped welding beams are respectively and fixedly connected with a plurality of newly-added concrete longitudinal bars (5) which are vertical to the existing concrete column (1); and the outer side of the vertical surface of each Pi-shaped welding beam is horizontally and fixedly connected with a welding beam stud (12).
5. The reinforcing structure suitable for the joints of the new concrete beam column and the old concrete beam column, according to claim 1, is characterized in that: the steel plate is reinforced; the reinforced steel plates are respectively fixed on the peripheral surfaces of the existing concrete column (1), the existing concrete beam (2) and the newly added concrete beam (3).
6. The reinforcing structure for the joints of the new and old concrete beams and columns as claimed in claim 5, wherein: the reinforced steel plate comprises a column side steel plate (6), a beam side steel plate (7), a beam top steel plate (8), a beam bottom steel plate (9) and a plate bottom steel plate (10); the column side steel plates (6) are fixed on four side surfaces of the existing concrete column (1); the beam side steel plate (7), the beam top steel plate (8) and the beam bottom steel plate (9) are respectively fixed on the side surface, the top surface and the bottom surface of the existing concrete beam (2) and the newly added concrete beam (3); the beam top steel plate (8) is fixedly connected with the column side steel plate (6); beam side steel plates (7) on two sides of each beam are fixed in a counter-pulling mode; the beam side steel plate (7) is fixedly connected with the beam bottom steel plate (9); the bottom plate steel plate (10) is arranged between the floor slab and the existing concrete beam (2) and is fixed with the beam top steel plate (8) in a counter-pulling mode.
7. The reinforcing structure suitable for the joints of the new concrete beam column and the old concrete beam column, according to claim 6, is characterized in that: structural glue is arranged between the column side steel plate (6) and four side faces of the existing concrete column (1), between the beam side steel plate (7) and the side face of each beam, between the beam top steel plate (8) and the top face of each beam, between the beam bottom steel plate (9) and the bottom face of each beam, and between the plate bottom steel plate (10) and a floor slab.
8. A new and old concrete beam column joint reinforcing structure suitable for the new and old concrete according to claim 6 or 7, characterized in that: the column side steel plate (6) is fixedly connected with the existing concrete column (1) through steel bar planting reinforcements (13), and the steel bar planting reinforcements (13) are arranged in a quincunx shape; the height of the column side steel plate (6) is more than twice of the height of the existing concrete beam (2).
9. The reinforcing structure suitable for the joints of the new concrete beam column and the old concrete beam column, according to claim 6, is characterized in that: and a column side stud (11) is vertically arranged at the joint of the column side steel plate (6) and the newly added concrete beam (3).
10. The reinforcing structure for the joints of the new and old concrete beams and columns as claimed in claim 5, wherein: anchor bolt holes are formed in the two sides of the existing concrete beam (2) and the newly added concrete beam (3); a chemical anchor bolt (14) is arranged in the anchor bolt hole; and the chemical anchor bolts (14) are used for fixing the beam side steel plates (7) on the existing concrete beam (2) and the newly added concrete beam (3) in a counter-pulling manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220289006.5U CN217001017U (en) | 2022-02-14 | 2022-02-14 | Be applicable to new and old concrete beam column node reinforced structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220289006.5U CN217001017U (en) | 2022-02-14 | 2022-02-14 | Be applicable to new and old concrete beam column node reinforced structure |
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| CN217001017U true CN217001017U (en) | 2022-07-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115341781A (en) * | 2022-09-14 | 2022-11-15 | 中国电建集团西北勘测设计研究院有限公司 | Concrete column connecting and reinforcing method and device |
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2022
- 2022-02-14 CN CN202220289006.5U patent/CN217001017U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115341781A (en) * | 2022-09-14 | 2022-11-15 | 中国电建集团西北勘测设计研究院有限公司 | Concrete column connecting and reinforcing method and device |
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