CN218757914U - Reinforced concrete beam column joint structure - Google Patents
Reinforced concrete beam column joint structure Download PDFInfo
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- CN218757914U CN218757914U CN202222991947.6U CN202222991947U CN218757914U CN 218757914 U CN218757914 U CN 218757914U CN 202222991947 U CN202222991947 U CN 202222991947U CN 218757914 U CN218757914 U CN 218757914U
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Abstract
A reinforced concrete beam column joint structure comprises an upper column section, a lower column section, a reinforced concrete beam, column reinforcement equivalent steel pipes, inserted rods and joint concrete; the top of the lower column section is provided with a top plate; the bottom of the top plate is provided with an upper stiffening plate; the inserted rods are provided with one group and are connected to the top of the top plate at intervals; the upper column section is positioned right above the lower column section, and a space is reserved between the upper column section and the lower column section; a bottom plate is arranged at the bottom of the upper column section; the top of the bottom plate is provided with a lower stiffening plate; the column rib equivalent steel pipe is correspondingly sleeved on the inserted bar; the reinforced concrete beam is arranged on one side of the top of the lower column section; the end part of the beam main reinforcement exceeds the end surface of the reinforced concrete beam, and the exceeding part extends into the space between the upper column section and the lower column section; the end part of the beam main rib is connected with an anchoring end; and pouring the node concrete into a space enclosed by the upper column section, the lower column section and the reinforced concrete beam. The utility model provides a traditional beam column connected node structure complicated, cause building quality and assembly efficiency to descend, pass the not direct and more loaded down with trivial details technical problem of construction process of power.
Description
Technical Field
The utility model belongs to the technical field of building structure, in particular to reinforced concrete beam column node structure.
Background
The fabricated building refers to a building which is fabricated in advance in a factory, manufactured into building components and accessories, transported to a building construction site, and fabricated and installed on site in a reliable connection mode.
With the development of economy and science and technology, the advantages of the cast-in-place building mode gradually disappear, and compared with the traditional cast-in-place building mode, the assembly type building has the characteristics of high component quality, energy conservation, environmental protection, construction period shortening, manpower saving and the like, so that the assembly type building slowly becomes the key development direction of the building industry of China in the future.
Although the fabricated building has many advantages, in actual construction, there are still many technical difficulties in the beam-column connection nodes, for example, it is not easy to perform construction positioning during hoisting of the components, so that the building quality and the assembly efficiency are reduced, and after the positioning is rechecked, the connection nodes still need to be welded or fixed by fasteners, and meanwhile, the connection nodes have the problems of complex structure, indirect force transmission, complex construction process and the like. Therefore, the novel assembly type beam-column connecting node has extremely important effect and significance on the application and development of the assembly type building in China.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reinforced concrete beam column node structure, will solve traditional beam column connected node structure complicated, cause building quality and assembly efficiency to descend, pass the not direct and more loaded down with trivial details technical problem of construction process of power.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A reinforced concrete beam column joint structure comprises an upper column section, a lower column section and a reinforced concrete beam; the steel pipe comprises a column rib equivalent steel pipe, inserted rods and node concrete; a top plate is arranged at the top of the lower column section; an upper stiffening plate is arranged at the bottom of the top plate and is embedded in the lower column section; the inserted rods are in one group and are connected to the top of the top plate at intervals; the upper column section is positioned right above the lower column section, and a space is reserved between the upper column section and the lower column section; a bottom plate is arranged at the bottom of the upper column section; a lower stiffening plate is arranged at the top of the bottom plate and is embedded in the upper column section; the column rib equivalent steel pipes are in a group, and the group of column rib equivalent steel pipes is arranged corresponding to the group of inserted rods; the column rib equivalent steel pipe is correspondingly sleeved on the inserted bar, and the lower end of the column rib equivalent steel pipe is supported on the top plate; the reinforced concrete beam is arranged on one side of the top of the lower column section, the bottom surface of the reinforced concrete beam is flush with the top surface of the lower column section, and the top surface of the reinforced concrete beam is lower than the bottom surface of the bottom plate; the end part of the beam main reinforcement of the reinforced concrete beam exceeds the end surface of the reinforced concrete beam, and the exceeding part extends into the space between the upper column section and the lower column section; the end part of the beam main rib is connected with an anchoring end; the node concrete is poured into a space defined by the upper column section, the lower column section and the reinforced concrete beam, and the peripheral side faces of the node concrete are aligned with the peripheral side faces of the lower column section.
Preferably, the upper column section comprises an upper column main reinforcement, an upper column stirrup and upper column concrete; the bottom end of the upper column main reinforcement is flush with the bottom surface of the upper column concrete, and an external thread is arranged at the lower part of the upper column main reinforcement; the top of the bottom plate and the position corresponding to the main rib of the upper column are connected with a lower threaded cylinder; and the lower end of the upper column main rib is in threaded connection with the lower threaded cylinder.
Preferably, the lower column section comprises a lower column main reinforcement, a lower column hoop reinforcement and lower column concrete; the top end of the lower column main reinforcement is flush with the top surface of the lower column concrete, and an external thread is arranged at the upper part of the lower column main reinforcement; the bottom of the top plate and the position of the lower column main rib are connected with an upper threaded cylinder; and the upper end of the lower column main rib is in threaded connection with the upper threaded cylinder.
Preferably, the horizontal section of the lower stiffening plate is in a cross shape, and the lower stiffening plate is connected with the bottom plate in a welding manner; the length of the lower stiffening plate is not less than the larger value of the length and the width of the horizontal tangent plane of the lower column section; the horizontal section of the upper stiffening plate is in a cross shape, and the upper stiffening plate is connected with the top plate in a welding way; the length of the upper stiffening plate is not less than the larger value of the length and the width of the horizontal tangent plane of the lower column section.
Preferably, the lower stiffening plate is connected with first shear bolts at intervals; and the upper stiffening plate is connected with second shear resistant bolts at intervals.
Preferably, the length of the column rib equivalent steel pipe is less than the height of the reinforced concrete beam by 10mm to 300mm; the length of the inserting rod is 10mm to 200mm.
Compared with the prior art, the utility model has the following characteristics and beneficial effect.
1. In the reinforced concrete beam column joint structure, the top of the lower column section is provided with the top plate, and the top plate is provided with the inserted rod; meanwhile, a bottom plate is arranged at the bottom of the upper column section, a column rib equivalent steel pipe is arranged on the bottom plate, and the connection mode is simple and convenient to install, easy to accurately position and fix and quick and convenient to construct by arranging the column rib equivalent steel pipe and the inserted rod; meanwhile, the column rib equivalent steel pipe is arranged in the node area to replace a column joint main rib, so that the structure at the node has the advantages of good integral stress performance, simple and reasonable force transmission path and no influence on attractiveness.
2. The utility model discloses a set up the inserted bar among the reinforced concrete beam column node structure, the inserted bar weld in the top of roof and with the concatenation of the equivalent steel pipe of post muscle, play the positioning action with the equivalent steel pipe concatenation in-process of post muscle to it is accurate and the construction swiftly convenient to make the upper prop section location.
3. The utility model discloses a set up post muscle equivalent steel pipe in the reinforced concrete beam column node structure, post muscle equivalent steel pipe welds the bottom at the bottom plate, and its length needs to be greater than the height of reinforced concrete beam, and its internal diameter will be bigger than the inserted bar external diameter a little to ensure that the inserted bar can telescope in post muscle equivalent steel pipe, its external diameter need calculate out according to the bearing capacity of beam column node; and arranging a column rib equivalent steel pipe in the node area to be equivalent to a column section main rib so as to ensure the safety of the node.
4. The reinforced concrete beam column joint structure in the utility model is provided with the column reinforcement equivalent steel pipe, and the inserted bar is inserted in the column reinforcement equivalent steel pipe; meanwhile, the utility model extends the end part of the main beam rib close to one side of the lower column section beyond the end surface of the corresponding side of the reinforced concrete beam into the gap between the upper column section and the lower column section; the end part of the beam main reinforcement super-steel reinforced concrete beam is connected with a reinforcement anchoring end; then pouring node concrete in a gap between the upper column section and the lower column section; the bending resistance, shearing resistance and compression resistance bearing capacity of the node section of the formed node structure is larger than that of the original reinforced concrete node, and the stress performance of the node is effectively improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is the structural schematic diagram of the reinforced concrete beam-column joint structure of the utility model.
Fig. 2 is a schematic view of the connection structure of the upper column section and the lower column section in the present invention.
Fig. 3 is a schematic structural view of the utility model with an inserted bar arranged at the top of the middle lower column section.
Fig. 4 is a schematic structural view of the upper column section of the utility model with column rib equivalent steel pipes.
Fig. 5 isbase:Sub>A schematic sectional view ofbase:Sub>A-base:Sub>A in fig. 4.
Reference numerals: 1-upper column section, 1.1-upper column main reinforcement, 1.2-upper column stirrup, 1.3-upper column concrete, 2-lower column section, 2.1-lower column main reinforcement, 2.2-lower column stirrup, 2.3-lower column concrete, 3-reinforced concrete beam, 3.1-beam main reinforcement, 4-column reinforcement equivalent steel pipe, 5-inserted bar, 6-node concrete, 7-top plate, 8-upper stiffening plate, 9-bottom plate, 10-lower stiffening plate, 11-anchoring end, 12-lower threaded cylinder, 13-first shear bolt, 14-second shear bolt and 15-upper threaded cylinder.
Detailed Description
As shown in fig. 1-5, the reinforced concrete beam-column joint structure comprises an upper column section 1, a lower column section 2 and a reinforced concrete beam 3; the steel tube comprises a column rib equivalent steel tube 4, an inserted link 5 and node concrete 6; the top of the lower column section 2 is provided with a top plate 7; an upper stiffening plate 8 is arranged at the bottom of the top plate 7, and the upper stiffening plate 8 is embedded in the lower column section 2; the inserted rods 5 are provided with a group and are connected to the top of the top plate 7 at intervals; the upper column section 1 is positioned right above the lower column section 2, and a space is reserved between the upper column section 1 and the lower column section 2; a bottom plate 9 is arranged at the bottom of the upper column section 1; a lower stiffening plate 10 is arranged at the top of the bottom plate 9, and the lower stiffening plate 10 is embedded in the upper column section 1; the column rib equivalent steel pipes 4 are in a group, and the column rib equivalent steel pipes 4 and the inserted rods 5 are correspondingly arranged; the column rib equivalent steel pipe 4 is correspondingly sleeved on the inserted rod 5, and the lower end of the column rib equivalent steel pipe 4 is supported on the top plate 7; the reinforced concrete beam 3 is arranged on one side of the top of the lower column section 2, the bottom surface of the reinforced concrete beam 3 is flush with the top surface of the lower column section 2, and the top surface of the reinforced concrete beam 3 is lower than the bottom surface of the bottom plate 9; the end part of a beam main reinforcement 3.1 of the reinforced concrete beam 3 exceeds the end surface of the reinforced concrete beam 3, and the exceeding part extends into the space between the upper column section 1 and the lower column section 2; the end part of the beam main rib 3.1 is connected with an anchoring end 11; the node concrete 6 is poured in the space enclosed by the upper column section 1, the lower column section 2 and the reinforced concrete beam 3, and the peripheral side faces of the node concrete 6 are aligned with the peripheral side faces of the lower column section 2.
In this embodiment, the upper column section 1 includes an upper column main reinforcement 1.1, an upper column hoop reinforcement 1.2, and an upper column concrete 1.3; the bottom end of the upper column main reinforcement 1.1 is flush with the bottom surface of the upper column concrete 1.3, and an external thread is arranged at the lower part of the upper column main reinforcement 1.1; a lower threaded cylinder 12 is connected to the top of the bottom plate 9 at a position corresponding to the upper column main rib 1.1; the lower end of the upper column main rib 1.1 is in threaded connection with the lower threaded cylinder 12.
In this embodiment, the lower column section 2 includes a lower column main reinforcement 2.1, a lower column hoop reinforcement 2.2, and a lower column concrete 2.3; the top end of the lower column main reinforcement 2.1 is flush with the top surface of the lower column concrete 2.3, and an external thread is arranged at the upper part of the lower column main reinforcement 2.1; an upper threaded cylinder 15 is connected to the bottom of the top plate 7 at a position corresponding to the lower column main rib 2.1; the upper end of the lower column main rib 2.1 is in threaded connection with the upper threaded cylinder 15.
In this embodiment, the horizontal section of the lower stiffening plate 10 is cross-shaped, and the lower stiffening plate 10 is welded to the bottom plate 9; the length of the lower stiffening plate 10 is not less than the larger value of the length and the width of the horizontal tangent plane of the lower column section 2; the horizontal section of the upper stiffening plate 8 is in a cross shape, and the upper stiffening plate 8 is welded with the top plate 7; the length of the upper stiffening plate 8 is not less than the larger value of the horizontal section length and the horizontal section width of the upper column section 1.
In this embodiment, the lower stiffener 10 is connected to first shear plugs 13 at intervals; the upper stiffening plate 8 is connected with second shear resistant bolts 14 at intervals.
In this embodiment, the length of the beam main reinforcement 3.1 extending into the space between the upper column section 1 and the lower column section 2 is determined according to the structural form of the end of the beam main reinforcement 3.1, and is calculated according to the standard steel bar anchoring length.
In the embodiment, the length of the column reinforcement equivalent steel pipe 4 is larger than the height of the reinforced concrete beam 3 by 10mm to 300mm; the length of the inserted rod 5 is 10mm to 200mm.
In this embodiment, the anchoring end 11 is in a circular truncated cone shape, and one end of the anchoring end 11 with a small cross section is connected with the beam main rib 3.1.
Claims (6)
1. A reinforced concrete beam column joint structure comprises an upper column section (1), a lower column section (2) and a reinforced concrete beam (3); the method is characterized in that: the steel tube concrete column also comprises a column rib equivalent steel tube (4), an inserted bar (5) and node concrete (6); a top plate (7) is arranged at the top of the lower column section (2); an upper stiffening plate (8) is arranged at the bottom of the top plate (7), and the upper stiffening plate (8) is embedded in the lower column section (2); the inserted rods (5) are provided with a group and are connected to the top of the top plate (7) at intervals; the upper column section (1) is positioned right above the lower column section (2), and a space is reserved between the upper column section (1) and the lower column section (2); a bottom plate (9) is arranged at the bottom of the upper column section (1); a lower stiffening plate (10) is arranged at the top of the bottom plate (9), and the lower stiffening plate (10) is embedded in the upper column section (1); the column rib equivalent steel pipes (4) are in a group, and the column rib equivalent steel pipes (4) and the inserted rods (5) are correspondingly arranged; the column rib equivalent steel pipe (4) is correspondingly sleeved on the inserted rod (5), and the lower end of the column rib equivalent steel pipe (4) is supported on the top plate (7); the reinforced concrete beam (3) is arranged on one side of the top of the lower column section (2), the bottom surface of the reinforced concrete beam (3) is flush with the top surface of the lower column section (2), and the top surface of the reinforced concrete beam (3) is lower than the bottom surface of the bottom plate (9); the end part of a beam main reinforcement (3.1) of the reinforced concrete beam (3) exceeds the end surface of the reinforced concrete beam (3), and the exceeding part extends into the space between the upper column section (1) and the lower column section (2); the end part of the beam main rib (3.1) is connected with an anchoring end (11); the node concrete (6) is poured in a space surrounded by the upper column section (1), the lower column section (2) and the reinforced concrete beam (3), and the peripheral side faces of the node concrete (6) are aligned with the peripheral side faces of the lower column section (2).
2. A reinforced concrete beam column joint structure as recited in claim 1, wherein: the upper column section (1) comprises an upper column main reinforcement (1.1), an upper column hoop reinforcement (1.2) and upper column concrete (1.3); the bottom end of the upper column main reinforcement (1.1) is flush with the bottom surface of the upper column concrete (1.3), and an external thread is arranged at the lower part of the upper column main reinforcement (1.1); a lower threaded cylinder (12) is connected to the top of the bottom plate (9) at the position corresponding to the upper column main rib (1.1); the lower end of the upper column main rib (1.1) is in threaded connection with the lower threaded cylinder (12).
3. A reinforced concrete beam column joint structure as recited in claim 1, wherein: the lower column section (2) comprises a lower column main reinforcement (2.1), a lower column stirrup (2.2) and lower column concrete (2.3); the top end of the lower column main reinforcement (2.1) is flush with the top surface of the lower column concrete (2.3), and the upper part of the lower column main reinforcement (2.1) is provided with an external thread; an upper threaded cylinder (15) is connected to the bottom of the top plate (7) at the position corresponding to the lower column main rib (2.1); the upper end of the lower column main rib (2.1) is in threaded connection with the upper threaded cylinder (15).
4. A reinforced concrete beam column joint structure as recited in claim 1, wherein: the horizontal section of the lower stiffening plate (10) is in a cross shape, and the lower stiffening plate (10) is connected with the bottom plate (9) in a welding way; the length of the lower stiffening plate (10) is not less than the larger value of the length and the width of the horizontal section of the lower column section (2); the horizontal section of the upper stiffening plate (8) is in a cross shape, and the upper stiffening plate (8) is welded with the top plate (7); the length of the upper stiffening plate (8) is not less than the larger value of the length and the width of the horizontal section of the upper column section (1).
5. A reinforced concrete beam column joint structure as recited in claim 1, wherein: the lower stiffening plate (10) is connected with first shear bolts (13) at intervals; the upper stiffening plate (8) is connected with second shear resistant bolts (14) at intervals.
6. A reinforced concrete beam column joint structure as recited in claim 1, wherein: the length of the column reinforcement equivalent steel pipe (4) is larger than the height of the reinforced concrete beam (3) by 10mm to 300mm; the length of the inserted rod (5) is 10 mm-200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222991947.6U CN218757914U (en) | 2022-11-10 | 2022-11-10 | Reinforced concrete beam column joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222991947.6U CN218757914U (en) | 2022-11-10 | 2022-11-10 | Reinforced concrete beam column joint structure |
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| Publication Number | Publication Date |
|---|---|
| CN218757914U true CN218757914U (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222991947.6U Active CN218757914U (en) | 2022-11-10 | 2022-11-10 | Reinforced concrete beam column joint structure |
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| CN (1) | CN218757914U (en) |
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- 2022-11-10 CN CN202222991947.6U patent/CN218757914U/en active Active
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