CN215406534U - Reinforced concrete frame beam column node structure - Google Patents
Reinforced concrete frame beam column node structure Download PDFInfo
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- CN215406534U CN215406534U CN202023256500.1U CN202023256500U CN215406534U CN 215406534 U CN215406534 U CN 215406534U CN 202023256500 U CN202023256500 U CN 202023256500U CN 215406534 U CN215406534 U CN 215406534U
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Abstract
The utility model provides a reinforced concrete frame beam column joint structure, which comprises a frame beam and a frame column; the end part of the frame beam is provided with a joint part fixedly connected with a longitudinal steel bar in the beam, the section of the joint part is I-shaped, and upper and lower flanges of the joint part extending out of the beam body part are provided with bolt holes; embedded parts are embedded in the frame columns, the cross sections of the embedded parts are in an I shape, the web plates of the joint parts are corrugated, and end plates are welded at two ends of the web plates; two ends of the embedded part extend out of the cylinder body, and a bolt hole is formed in a flange of the part of the embedded part extending out of the cylinder body; the embedded parts and the joint parts are fixedly connected through bolts, so that a node steel structure is formed; and the joint steel structure is coated with connecting concrete. The connection form of node steel construction not only can realize the quick installation of assembled frame beam column, still can realize dismantling simultaneously, realizes the correctable installation and recycle of frame beam column, has extensive application prospect.
Description
Technical Field
The utility model belongs to the field of buildings, and particularly relates to a beam-column joint structure of a reinforced concrete structure.
Background
The fabricated building is a building form which is greatly popularized by the government at present, the fabricated building accounts for more than 20% of the proportion of a newly-built building in 2020, and the fabricated reinforced concrete frame structure is an important structural form.
The traditional connection mode of the assembly type reinforced concrete frame structure is that a steel bar is connected with the steel bar, special-shaped components cannot be stacked, transportation is difficult, cost is high, the connection mode of points and points cannot be poor, so that the node structure is complex, processing and installation work are difficult, the manufacturing cost of the whole structure is high, and the difficulty in construction of the node is a main factor influencing the popularization of the assembly type reinforced concrete frame structure.
Most of the existing fabricated reinforced concrete structures fundamentally continue the construction method of the cast-in-place reinforced concrete structures, a part of the beam, the column and the wall is prefabricated, and the connecting node is formed into a whole by casting in place after the beam, the column and the wall are installed on a construction site.
The beam-column connection node and the beam-beam connection node of the steel structure corresponding to the reinforced concrete structure are very simple, convenient and mature, rigid connection and hinging of the beam column can be realized only by high-strength bolts or the high-strength bolts and welding lines, but the steel structure is high in manufacturing cost, difficult in fire prevention and corrosion prevention and the like, and the wide application of the steel structure is limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides a reinforced concrete frame beam-column joint structure which is used for solving the technical problem of quick installation of an assembled frame beam-column.
In order to solve the technical problems, the utility model is realized by adopting the following technical scheme:
the utility model provides a reinforced concrete frame beam column joint structure, which comprises a frame beam and a frame column; the end part of the frame beam is provided with a joint part fixedly connected with a longitudinal steel bar in the beam, the section of the joint part is I-shaped, and upper and lower flanges of the joint part extending out of the beam body part are provided with bolt holes; an embedded part is embedded in the frame column, the cross section of the embedded part is I-shaped, a web plate of the embedded part is corrugated, and end plates are welded at two ends of the embedded part; the two ends of the embedded part extend out of the cylinder body, and bolt holes are formed in the upper flange and the lower flange of the part of the embedded part extending out of the cylinder body; the embedded parts and the joint parts are fixedly connected through bolts, so that a node steel structure is formed; and the joint steel structure is coated with connecting concrete.
Furthermore, the upper flange and the lower flange of the joint component and the web are respectively connected with the end plates of the embedded parts in a welding mode.
Further, the bolt is a high-strength bolt.
Further, the frame roof beam still includes the stirrup in the roof beam, the stirrup includes stirrup in ordinary roof beam and the stirrup in the encryption roof beam, the stirrup sets up in the one time effective beam height area that is close to frame roof beam tip in the encryption roof beam.
Furthermore, the upper parts of the stirrups in the beams extend out of the beam body of the frame beam, the part of the embedded part extending out of the frame column is coated with concrete, and is provided with embedded stirrups sleeved on the embedded part, and the upper parts of the embedded stirrups extend out of the concrete; and the upper part of the beam inner stirrup and the upper part of the embedded stirrup form a reinforced connecting part after concrete is integrally poured.
Furthermore, the frame column further comprises a column inner stirrup, the column inner stirrup comprises a common column inner stirrup and a dense beam inner stirrup, and the dense beam inner stirrup is arranged in the column body of the frame column in the area of one time of the effective beam height above and below the embedded part.
Compared with the prior art, the utility model has the following beneficial effects:
1. aiming at the existing assembly type joint connection, the embedded part and the joint part are tightly fixed by using the bolt without punching holes on concrete, so that the effect of fixing the reinforced concrete beam column is realized, the installation is convenient and quick, the fixation is firm, the beam column fixing device is suitable for beam columns with different sizes, and the arrangement is flexible; the embedded part adopts a corrugated steel web plate, so that the shearing resistance of the node can be enhanced;
2. the connection form of the node steel structure can realize quick installation and disassembly of the assembled frame beam column, realize correctable installation and recycling of the frame beam column and has wide application prospect;
3. the joint parts are used for fixedly connecting the frame columns and can be matched with the frame columns with the steel structure connecting pieces, so that the connection between the reinforced concrete beam columns is changed into the connection of a steel structure, and the stress reliability of the reinforced concrete frame beam columns is improved;
4. the longitudinal steel bars in the beam are fixedly connected with the joint parts and play a role of bearing bending moment in the beam together, and the diameter and the interval of the longitudinal steel bars in the beam can be determined by calculation according to the construction requirements;
5. the hooping in the encrypted beam plays a role in restraining concrete at the end part of the assembled reinforced concrete frame beam, the joint part and the reinforced concrete frame beam are ensured to form a whole to work together, and the number and the spacing of the hooping in the encrypted beam can be determined by calculation according to the construction requirement; on the premise that the hoops in the encrypted beam exist, the hoops in the ordinary beam mainly play a role of bearing the shear force in the beam, and the diameter and the distance of the hoops can be determined by calculation according to the construction requirements.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of an embedment structure;
FIG. 3 is a schematic of the node connections of the present invention;
FIG. 4 is a schematic view of the present invention after assembly;
fig. 5 is a schematic view of the pouring of the present invention.
In the figure:
1. a frame beam; 2. a frame column; 3. a fitting component; 31. a flange of the fitting component; 4. Embedding parts; 41. flanges of the embedded part; 42. a corrugated web; 43. an end plate; 5. connecting concrete; 6. a high-strength bolt; 7. hooping in the beam; 8. embedding stirrups; 9. a reinforcing connecting part; 10. bolt holes.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The first embodiment is as follows:
the present embodiment provides a reinforced concrete frame beam 1 column joint structure for an assembled structure, as shown in fig. 1, including a frame beam 1 and a frame column 2; the end part of the frame beam 1 is provided with a joint part 3 fixedly connected with a longitudinal steel bar in the beam, the section of the joint part 3 is I-shaped, and upper and lower flanges of the joint part 3 extending out of the beam body part are provided with bolt holes 10; an embedded part 4 is embedded in the frame column 2, the cross section of the embedded part 4 is I-shaped, a web plate of the embedded part 4 is a corrugated web plate 42, and end plates 43 are welded at two ends of the web plate; two ends of the embedded part 4 extend out of the column body, and bolt holes 10 are arranged on upper and lower flanges of the part of the embedded part 4 extending out of the column body; the embedded part 4 and the joint part 3 are fixedly connected through bolts, so that a node steel structure is formed; and the joint steel structure is coated with connecting concrete 5.
The implementation principle is as follows: aiming at the existing assembly type node connection, holes do not need to be punched in concrete, the embedded part 4 and the joint part 3 are tightly fixed through the bolt holes 10 on the flange 41 of the embedded part and the bolt holes 10 on the flange 31 of the joint part by bolts, so that the fixing effect of a reinforced concrete beam column is realized, the embedded part 4 adopts a corrugated steel web plate, the shearing resistance of the node can be enhanced, the installation is convenient, the fixation is firm, the method is suitable for beam columns with different sizes, and the arrangement is flexible.
Example two:
the present embodiment provides a reinforced concrete frame beam 1 column joint structure for an assembled structure, as shown in fig. 1 to 4, including a frame beam 1 and a frame column 2; the end part of the frame beam 1 is provided with a joint part 3 fixedly connected with a longitudinal steel bar in the beam, the section of the joint part 3 is I-shaped, and upper and lower flanges of the joint part 3 extending out of the beam body part are provided with bolt holes 10; an embedded part 4 is embedded in the frame column 2, the section of the embedded part 4 is I-shaped, a web plate of the embedded part 4 is corrugated, and end plates 43 are welded at two ends of the web plate; two ends of the embedded part 4 extend out of the column body, and bolt holes 10 are arranged on upper and lower flanges of the part of the embedded part 4 extending out of the column body; the embedded part 4 and the joint part 3 are fixedly connected through bolts, so that a node steel structure is formed; and the joint steel structure is coated with connecting concrete 5. The connection form of node steel construction not only can realize the quick installation of 1 post of assembled frame roof beam, still can realize dismantling simultaneously, realizes correctable installation and recycle of 1 post of frame roof beam, has extensive application prospect.
As shown in fig. 2-3, the joint member 3 is used for fixedly connecting the frame columns 2, and can be matched with the frame columns 2 with the steel structure connecting members to change the connection between the reinforced concrete beams and columns into the connection of the steel structure, thereby improving the reliability of the stress of the reinforced concrete frame beams and columns 1. The longitudinal steel bars in the beam are fixedly connected with the joint parts 3 and play a role of bearing bending moment in the beam together, and the diameter and the distance of the longitudinal steel bars in the beam can be determined by calculation according to the construction requirements.
Specifically, the upper and lower flanges and the web of the joint member 3 are respectively connected to the end plates 43 of the embedded part 4 by welding.
Specifically, as shown in fig. 4, the bolt is a high-strength bolt 6.
Specifically, frame roof beam 1 still includes interior stirrup 7 of roof beam, stirrup 7 includes interior stirrup 7 of ordinary roof beam and the interior stirrup 7 of the beam of encryption, stirrup 7 sets up in the one time effective roof beam height region that is close to 1 tip of frame roof beam in the beam of encryption. The hooping 7 in the encrypted beam plays a role in restraining concrete at the end part of the assembled reinforced concrete frame beam 1, the joint part 3 and the reinforced concrete frame beam 1 are ensured to form a whole and work together, and the number and the spacing of the hooping 7 in the encrypted beam can be determined by calculation according to the construction requirements; on the premise that the hoops 7 in the encrypted beam exist, the hoops 7 in the ordinary beam mainly play a role of bearing the shearing force in the beam, and the diameter and the distance of the hoops can be determined by calculation according to the construction requirements.
Specifically, as shown in fig. 5, the upper portions of the beam inner stirrups 7 extend out of the beam body of the frame beam 1, the portions of the embedded parts 4 extending out of the frame column 2 are coated with concrete, embedded stirrups 8 sleeved on the embedded parts 4 are arranged, and the upper portions of the embedded stirrups 8 extend out of the concrete; and the upper parts of the beam inner stirrups 7 and the upper parts of the embedded stirrups 8 form reinforced connecting parts 9 after concrete is integrally poured.
Specifically, the frame column 2 further comprises a column inner stirrup, the column inner stirrup comprises a common column inner stirrup and a dense beam inner stirrup 7, and the dense beam inner stirrup 7 is arranged in the column body of the frame column 2 in the one-time effective beam height area above and below the embedded part 4. The hooping in the encrypted column plays a role in restraining concrete at the end part of the assembled reinforced concrete frame beam 1, and the quantity and the distance of the hooping in the encrypted column can be determined by calculation according to the construction requirements.
In actual work, firstly, the overhanging upper and lower flanges of the embedded part 4 are hinged with the joint part 3 of the reinforced concrete frame beam 1 by using the high-strength bolt 6, then the upper and lower flanges and the web plate of the joint part 3 are welded with the end plate 43 of the embedded part 4, and finally, concrete is poured to ensure that the size structure of the concrete is matched with the reinforced concrete frame column 2 and the reinforced concrete frame beam 1, so that the node structure is obtained.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A reinforced concrete frame beam column joint structure is characterized by comprising a frame beam (1) and a frame column (2);
the end part of the frame beam (1) is provided with a joint part (3) fixedly connected with a longitudinal steel bar in the beam, the section of the joint part (3) is I-shaped, and upper and lower flanges of the joint part (3) extending out of the beam body part are provided with bolt holes (10);
an embedded part (4) is embedded in the frame column (2), the section of the embedded part (4) is I-shaped, a web plate of the joint part (3) is corrugated, and end plates (43) are welded at two ends of the web plate; two ends of the embedded part (4) extend out of the cylinder, and bolt holes (10) are formed in upper and lower flanges of the part, extending out of the cylinder, of the embedded part (4);
the flanges (41) of the embedded parts and the flanges (31) of the joint parts are fixedly connected through bolts, so that a node steel structure is formed; and the joint steel structure is coated with connecting concrete (5).
2. A reinforced concrete frame beam column node structure according to claim 1, wherein the flange (31) of the joint member and the web of the joint member are connected to the end plate (43) of the embedded part (4) by welding, respectively.
3. A reinforced concrete frame beam and column joint structure as recited in claim 1, wherein said bolts are high strength bolts (6).
4. A reinforced concrete frame beam and column joint structure according to claim 1, wherein the frame beam (1) further comprises an in-beam stirrup (7), the in-beam stirrup (7) comprising a normal in-beam stirrup (7) and a ciphered in-beam stirrup (7), the ciphered in-beam stirrup (7) being provided in an area of one-fold effective beam height near the end of the frame beam (1).
5. The reinforced concrete frame beam-column joint structure as claimed in claim 4, wherein the upper parts of the in-beam stirrups (7) extend out of the beam body of the frame beam (1), the embedded parts (4) extend out of the frame column (2) and are partially coated with concrete, embedded stirrups (8) sleeved on the embedded parts (4) are arranged, and the upper parts of the embedded stirrups (8) extend out of the concrete; and the upper parts of the beam inner stirrups (7) and the upper parts of the embedded stirrups (8) form a reinforced connecting part (9) after concrete is integrally poured.
6. A reinforced concrete frame beam column joint structure as recited in claim 1, wherein the frame column (2) further includes an in-column stirrup, the in-column stirrup including a normal in-column stirrup and a reinforcement in-column stirrup, the reinforcement in-column stirrup being provided in the columns of the frame column (2) above and below the embedded part (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023256500.1U CN215406534U (en) | 2020-12-29 | 2020-12-29 | Reinforced concrete frame beam column node structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023256500.1U CN215406534U (en) | 2020-12-29 | 2020-12-29 | Reinforced concrete frame beam column node structure |
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| CN215406534U true CN215406534U (en) | 2022-01-04 |
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| CN202023256500.1U Active CN215406534U (en) | 2020-12-29 | 2020-12-29 | Reinforced concrete frame beam column node structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115467411A (en) * | 2022-08-18 | 2022-12-13 | 国核电力规划设计研究院有限公司 | Dry type connecting joint for beam column of precast concrete frame |
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2020
- 2020-12-29 CN CN202023256500.1U patent/CN215406534U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115467411A (en) * | 2022-08-18 | 2022-12-13 | 国核电力规划设计研究院有限公司 | Dry type connecting joint for beam column of precast concrete frame |
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