CN216156824U - Precast concrete beam and cast-in-place concrete wall column connected node - Google Patents
Precast concrete beam and cast-in-place concrete wall column connected node Download PDFInfo
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- CN216156824U CN216156824U CN202121844973.5U CN202121844973U CN216156824U CN 216156824 U CN216156824 U CN 216156824U CN 202121844973 U CN202121844973 U CN 202121844973U CN 216156824 U CN216156824 U CN 216156824U
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Abstract
The utility model relates to a connecting node of a precast concrete beam and a cast-in-place concrete wall column, which comprises a sectional beam bottom longitudinal bar, wherein the middle position of the sectional beam bottom longitudinal bar can be disconnected, one end of the beam bottom longitudinal bar is connected with the cast-in-place concrete wall column, the other end of the beam bottom longitudinal bar is connected to the precast concrete beam, a cast-in-place beam section is connected between the cast-in-place concrete wall column and the precast concrete beam, and the middle part of the beam bottom longitudinal bar is embedded in the cast-in-place beam section. Compared with the prior art, the utility model can solve the problems that the bottom bar at the end part of the precast beam cannot be smoothly anchored on the cast-in-place steel wall column and the precast concrete beam cannot be smoothly hoisted aiming at the condition that the bottom bar at the end part of the precast concrete beam collides with the section steel on the cast-in-place steel wall column, and has the advantages of convenient construction, high efficiency, safety and reliability.
Description
Technical Field
The utility model relates to the technical field of assembly type buildings, in particular to a connecting node of a precast concrete beam and a cast-in-place concrete wall column.
Background
In the structural design of the concrete beam and wall column node, the stress of the core area of the node is the most complex, and the node is easy to damage, especially the anchoring damage of reinforcing steel bars. Therefore, the beam end bottom rib should provide enough anchoring length at the wall column support, and avoid the phenomenon that the bonding stress between the steel bar and the concrete cannot resist the received pulling force to cause damage, sliding of the steel bar or crisp pressing of the concrete, pulling out of the beam rib and the like under the repeated action of load due to the insufficient anchoring length of the steel bar.
At present, aiming at the condition that a bottom bar at the end part of a cast-in-place concrete beam is connected with a cast-in-place steel reinforced concrete wall column, the problem can be solved by adopting a mode that the cast-in-place steel reinforced concrete wall column is firstly placed with porous steel, a beam bottom longitudinal bar penetrates through the porous steel and then member concrete is poured. The precast concrete beam is used as a conventional PC (precast concrete) member, and the factory precast concrete beam can greatly shorten the construction period and reduce the labor force, and the application range is gradually widened. However, in the actual hoisting process of the components of the prefabricated building, due to the length of the bottom rib of the prefabricated concrete beam, the bottom rib at the end part of the prefabricated concrete beam can collide with the profile steel of the cast-in-place concrete wall column and cannot be hoisted smoothly in the hoisting process of the prefabricated concrete beam, and the bottom rib of the prefabricated concrete beam cannot be anchored smoothly at the wall column support, so that the construction requirement of the PC component cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a connecting node of a precast concrete beam and a cast-in-place concrete wall column, so that the anchoring connection between the precast concrete beam and the cast-in-place concrete wall column can be conveniently and reliably realized.
The purpose of the utility model can be realized by the following technical scheme: the utility model provides a precast concrete roof beam and cast in situ concrete wall post connected node, but includes that intermediate position disconnection's sectional type beam-bottom indulges the muscle, the one end and the cast in situ concrete wall post of muscle are connected are indulged to the beam-bottom, the other end that the muscle was indulged to the beam-bottom is connected to precast concrete roof beam, be connected with cast in situ beam section between cast in situ concrete wall post and the precast concrete roof beam, the middle part that the muscle was indulged to the beam-bottom is buried underground in cast in situ beam section.
Furthermore, section steel is buried in the cast-in-place concrete wall column, and one end of the beam bottom longitudinal rib is connected with the section steel.
Further, the beam bottom longitudinal rib comprises a prefabricated beam bottom longitudinal rib section and an additional beam bottom longitudinal rib section which are connected with each other, the prefabricated beam bottom longitudinal rib section is connected with the precast concrete beam, and the additional beam bottom longitudinal rib section is connected with the section steel.
Further, the prefabricated beam bottom longitudinal rib section is connected with the additional beam bottom longitudinal rib section through a mechanical connecting sleeve.
Furthermore, there is the interval between the prefabricated beam bottom longitudinal rib section in the mechanical connecting sleeve and the additional beam bottom longitudinal rib section.
Furthermore, the profile steel is provided with a through hole for penetrating through the additional beam bottom longitudinal rib section.
Further, the number of the through holes is larger than or equal to the number of the additional beam bottom longitudinal rib sections.
Further, the section steel is of an I-shaped structure.
Further, the height of the section steel is equal to that of the cast-in-place concrete wall column.
Further, the width of the cast-in-place beam section is equal to that of the precast concrete beam.
Compared with the prior art, the utility model aims at the conditions of cast-in-place of the steel reinforced concrete wall column and prefabrication of the concrete beam, and the prefabricated concrete beam can be smoothly connected with the cast-in-place steel reinforced concrete wall column after being smoothly hoisted by arranging the sectional beam bottom longitudinal rib with the disconnectable middle part and utilizing the sectional design, thereby having the advantages of convenient construction, safety and reliability, solving the problem that the hoisting and anchoring can not be realized due to the length of the bottom rib at the end part of the concrete beam, and further meeting the construction requirement of a PC component; in addition, compared with the original embedded integrated bottom rib, the sectional type beam bottom longitudinal rib provided by the utility model is easier to avoid other longitudinal ribs of the wall column, and can effectively improve the construction efficiency.
Drawings
FIG. 1 is a schematic diagram of a three-dimensional perspective structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the connection of the sectional beam bottom longitudinal ribs;
wherein: 1. the prefabricated beam bottom longitudinal rib section comprises a prefabricated beam bottom longitudinal rib section 2, an additional beam bottom longitudinal rib section 3, section steel 4, a mechanical connecting sleeve 5, a prefabricated concrete beam 6, a cast-in-place concrete wall column 7 and a cast-in-place beam section.
Detailed Description
The utility model is described in detail below with reference to the figures and specific embodiments.
Example (b):
as shown in fig. 1 to 3, a precast concrete beam and cast-in-place concrete wall column connection node comprises a sectional beam bottom longitudinal bar, the middle position of which can be disconnected, one end of the beam bottom longitudinal bar is connected with a cast-in-place concrete wall column 6, the other end of the beam bottom longitudinal bar is connected to a precast concrete beam 5, a cast-in-place beam section 7 is connected between the cast-in-place concrete wall column 6 and the precast concrete beam 5, the middle part of the beam bottom longitudinal bar is embedded in the cast-in-place beam section 7, section steel 3 is embedded in the cast-in-place concrete wall column 6, the beam bottom longitudinal bar comprises a precast beam bottom longitudinal bar section 1 and an additional beam bottom longitudinal bar section 2 which are connected with each other, the precast beam bottom longitudinal bar section 1 is connected with the precast concrete beam 5, and the additional beam bottom longitudinal bar section 2 is connected with the section steel 3.
Specifically, the precast beam bottom longitudinal rib section 1 is connected with the additional beam bottom longitudinal rib section 2 through a mechanical connecting sleeve 4, and a space exists between the precast beam bottom longitudinal rib section 1 and the additional beam bottom longitudinal rib section 2 in the mechanical connecting sleeve 4;
the profile steel 3 is provided with through holes for penetrating the additional beam bottom longitudinal rib sections 2, and the number of the through holes is larger than or equal to that of the additional beam bottom longitudinal rib sections 2;
in the embodiment, the section steel 3 is in an I-shaped structure, and the through hole is formed in a web plate of the I-shaped structure; the height of the section steel 3 is equal to that of the cast-in-place concrete wall column 6; the width of the cast-in-place beam section 7 is equal to the width of the precast concrete beam 5. The concrete construction process of the utility model is as follows: the construction site firstly hoists the precast concrete beam 5 to be in place, meanwhile, the section steel 3 and other longitudinal bars of the cast-in-place concrete wall column 6 are placed in place, and after the in-site additional beam bottom longitudinal bar section 2 penetrates through the section steel 3, the in-place additional beam bottom longitudinal bar section is mechanically connected with the precast beam bottom longitudinal bar section 1 through the mechanical connecting sleeve 4 in the cast-in-place beam section 7, so that the connection between the precast concrete beam 5 and the cast-in-place steel concrete wall column 6 is realized.
In summary, the utility model adopts a sectional beam bottom longitudinal rib design, the beam bottom longitudinal rib comprises a precast beam bottom longitudinal rib section 1 and an on-site additional beam bottom longitudinal rib section 2, one end of the additional beam bottom longitudinal rib section 2 penetrates through a section steel 3 with a hole embedded in a cast-in-place concrete wall column 6, the other end of the additional beam bottom longitudinal rib section is connected with the precast beam bottom longitudinal rib section 1 in a cast-in-place beam section 7 through a mechanical connecting sleeve 4, and the additional beam bottom longitudinal rib section 2 and the precast beam longitudinal rib section 1 are connected into a whole beam bottom longitudinal rib section and the rear end part of the whole beam bottom longitudinal rib section is arranged in the cast-in-place steel wall column 6. Therefore, aiming at the condition that the bottom rib at the end part of the precast concrete beam collides with the profile steel on the cast-in-place profile steel wall column, the utility model can solve the problems that the bottom rib at the end part of the precast beam cannot be anchored on the cast-in-place profile steel wall column smoothly and the precast concrete beam cannot be hoisted smoothly, and has the advantages of convenient construction, high efficiency, safety and reliability.
Claims (10)
1. The utility model provides a precast concrete roof beam and cast in situ concrete wall post connected node, its characterized in that indulges the muscle including intermediate position disconnection's sectional type beam bottom, the one end and the cast in situ concrete wall post (6) of muscle are indulged to the beam bottom, the other end that the muscle was indulged to the beam bottom is connected to precast concrete roof beam (5), be connected with cast in situ beam section (7) between cast in situ concrete wall post (6) and precast concrete roof beam (5), the middle part that the muscle was indulged to the beam bottom is buried underground in cast in situ beam section (7).
2. A precast concrete beam and cast-in-place concrete wall column connecting node according to claim 1, wherein section steel (3) is embedded in the cast-in-place concrete wall column (6), and one end of the beam bottom longitudinal bar is connected with the section steel (3).
3. A precast concrete beam and cast-in-place concrete wall and column connecting node according to claim 2, wherein the beam bottom longitudinal rib comprises a precast beam bottom longitudinal rib section (1) and an additional beam bottom longitudinal rib section (2) which are connected with each other, the precast beam bottom longitudinal rib section (1) is connected with the precast concrete beam (5), and the additional beam bottom longitudinal rib section (2) is connected with the section steel (3).
4. A precast concrete beam and cast-in-place concrete wall and column connection node according to claim 3, wherein the precast beam bottom longitudinal rib section (1) is connected with the additional beam bottom longitudinal rib section (2) through a mechanical connection sleeve (4).
5. A precast concrete beam and cast-in-place concrete wall and column connection node according to claim 4, characterized in that a space exists between the precast beam bottom longitudinal reinforcement section (1) and the additional beam bottom longitudinal reinforcement section (2) in the mechanical connection sleeve (4).
6. A precast concrete beam and cast-in-place concrete wall column connecting node according to claim 3, characterized in that the section steel (3) is provided with a through hole for passing through the additional beam bottom longitudinal reinforcement section (2).
7. A precast concrete beam and cast-in-place concrete wall column connecting node according to claim 6, wherein the number of the through holes is greater than or equal to the number of the additional beam bottom longitudinal rib sections (2).
8. A precast concrete beam and cast-in-place concrete wall column connecting node according to any one of claims 2 to 7, characterized in that the section steel (3) is of an I-shaped structure.
9. A precast concrete beam and cast-in-place concrete wall column connecting node according to claim 8, wherein the section steel (3) has a height equal to that of the cast-in-place concrete wall column (6).
10. A precast concrete beam and cast-in-place concrete wall column connecting node according to claim 3, wherein the width of the cast-in-place beam section (7) is equal to the width of the precast concrete beam (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121844973.5U CN216156824U (en) | 2021-08-09 | 2021-08-09 | Precast concrete beam and cast-in-place concrete wall column connected node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121844973.5U CN216156824U (en) | 2021-08-09 | 2021-08-09 | Precast concrete beam and cast-in-place concrete wall column connected node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216156824U true CN216156824U (en) | 2022-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121844973.5U Active CN216156824U (en) | 2021-08-09 | 2021-08-09 | Precast concrete beam and cast-in-place concrete wall column connected node |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216156824U (en) |
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2021
- 2021-08-09 CN CN202121844973.5U patent/CN216156824U/en active Active
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