CN222435522U - Prefabricated post connection structure of assembled reinforced concrete - Google Patents
Prefabricated post connection structure of assembled reinforced concrete Download PDFInfo
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- CN222435522U CN222435522U CN202421208388.XU CN202421208388U CN222435522U CN 222435522 U CN222435522 U CN 222435522U CN 202421208388 U CN202421208388 U CN 202421208388U CN 222435522 U CN222435522 U CN 222435522U
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Abstract
The utility model relates to an assembled reinforced concrete precast column connecting structure, which comprises a lower precast column and an upper precast column, wherein longitudinal stress reinforcing steel bars are arranged in the upper precast column and the lower precast column, one end of the upper precast column is provided with a connecting column head in a protruding mode, the end face of the connecting column head is provided with a plurality of screw holes, leveling screws are in threaded fit on the screw holes, the connecting column head is aligned with the lower precast column face to face, the load of the upper precast column is transmitted to the column top of the lower precast column through the leveling screws, the leveling screws are rotated to level the upper precast column, stirrups are bound on the peripheries of the longitudinal stress reinforcing steel bars of the upper precast column and the lower precast column.
Description
Technical Field
The utility model relates to the field of prefabricated frame column construction, in particular to an assembled reinforced concrete prefabricated column connecting structure.
Background
The assembled concrete structure is formed by assembling/connecting prefabricated components serving as main stressed components, is one of important directions of building structure development in China, is beneficial to the development of building industrialization in China, improves the production efficiency, saves energy, develops green and environment-friendly buildings, and is beneficial to improving and guaranteeing the quality of building engineering.
Meanwhile, compared with the cast-in-situ construction method, the assembly type structure is beneficial to green construction, because the assembly type construction can better meet the requirements of land saving, energy saving, material saving, water saving, environmental protection and the like of the green construction, the negative influence on the environment is reduced, including noise reduction, dust emission prevention, environmental pollution reduction, clean transportation, site interference reduction, water saving, electricity saving, material saving and other resources and energy sources are reduced.
The connection and construction method of the prefabricated frame structure column is one of the key problems of the fabricated reinforced concrete structure technology, but the reserved longitudinal connecting steel bars of the prefabricated columns are difficult to accurately align with the extrusion sleeve during installation due to transportation bending deformation, so that the construction difficulty is high, the engineering precision and the quality are difficult to ensure, meanwhile, the current connection mode is difficult to be completely equivalent to a cast-in-place integral structure, the anti-seismic performance of the structure is influenced, and the use of the prefabricated frame structure in high-intensity areas is limited.
Disclosure of utility model
The utility model aims to solve the technical problems of inaccurate leveling alignment and difficulty in node connection and cast-in-situ integral structure equivalence in the prior art, and provides an assembled reinforced concrete precast column connection structure.
The technical scheme includes that the connecting structure of the assembled reinforced concrete precast column comprises a lower precast column and an upper precast column, longitudinal stressed steel bars are arranged in the upper precast column and the lower precast column, a connecting column head protrudes out of one end of the upper precast column, a plurality of screw holes are formed in the end face of the connecting column head, leveling screws are in threaded fit on the screw holes, the connecting column head is aligned with the lower precast column face to face, loads of the upper precast column are transmitted to the column top of the lower precast column through the leveling screws, the leveling screws are rotated to level the upper precast column, and hoops are bound on the peripheries of the longitudinal stressed steel bars of the upper precast column and the lower precast column.
Further, the column top of the lower prefabricated column and the convex connecting column head of the upper prefabricated column indicate uniform roughening.
Further, the upper prefabricated column is supported by using a leg after being leveled and secondarily poured with concrete (micro-expansive high-damping concrete).
The utility model has the following beneficial technical effects:
In the utility model, the upper prefabricated column is provided with a convex connecting column head, the end part of the connecting column head is provided with a plurality of uniformly distributed screw holes, the diameter of each screw hole corresponds to that of each leveling screw rod, and the number of the screw rods is enough to support the vertical load of the upper prefabricated column. The pile top of the lower prefabricated column is roughened, the upper prefabricated column is lifted in place and then props against the lower prefabricated column through adjusting the leveling screw rod, the upper prefabricated column is leveled, the support leg is used for supporting the upper prefabricated column to be stable, then the formwork is supported, the cast-in-place section is cast for the second time, the effect of accurately centering and leveling the upper prefabricated column and the lower prefabricated column can be achieved, meanwhile, the ductility and the energy consumption capacity of the connecting position can be improved through the micro-expansion type high-damping concrete cast for the second time, the overall performance of a connected structure is guaranteed, and the application and popularization of the prefabricated frame structure in a high-intensity area are facilitated.
Drawings
FIG. 1 is a schematic view of an embodiment of a fabricated reinforced concrete precast column connection structure according to the present utility model;
Fig. 2 is a schematic diagram showing a connecting column head of an upper column of an embodiment of a fabricated reinforced concrete prefabricated column connecting structure according to the present utility model.
Reference numerals illustrate:
1. Pouring concrete, 2, a lower prefabricated column, 3, an upper prefabricated column, 4, a connecting column head, 5, a screw hole, 6, a leveling screw, 7, an upper longitudinal stress reinforcing steel bar, 8, a lower longitudinal stress reinforcing steel bar and 9, a stirrup.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1 and 2, the embodiment includes a cast-in-place concrete 1, a lower precast column 2 (or a precast foundation short column), an upper precast column 3, and longitudinal stress steel bars are arranged on the upper precast column 3 and the lower precast column 2, wherein the upper longitudinal stress steel bars 7 are arranged in the upper precast column 3, the lower longitudinal stress steel bars 8 are arranged in the lower precast column 2, a connecting column head 4 protrudes from one end of the upper precast column 3, a plurality of evenly distributed screw holes 5 are arranged on the end face of the connecting column head 4, leveling screws 6 are in threaded fit with the screw holes 5, the connecting column head 4 is aligned with the top of the lower precast column 2 face to face, and the column top of the lower precast column 2 and the surfaces of the connecting column head 4 are roughened, so that the vertical load of the upper precast column 3 is transferred to the column top of the lower precast column 2 through the leveling screws 6, the screwing-in lengths of the leveling screws 6 are rotated to level the upper precast column 3, and after the upper precast column 3 and the lower precast column 2 are leveled, the upper longitudinal stress steel bars 7 of the upper precast column and the lower longitudinal stress steel bars 8 of the lower precast column are lapped by stirrups 9.
The dead weight load of the upper prefabricated column 3 is transferred to the column top of the lower prefabricated column 2 through the leveling screw 6 during leveling
After leveling the upper prefabricated column 3, fixing by using a supporting leg support, carrying out necessary formwork erection, then secondarily pouring concrete (micro-expansion type high-damping concrete) 1, and removing the formwork after the secondarily pouring concrete 1 (micro-expansion type high-damping concrete) reaches the design strength, so as to remove the supporting leg support.
In this embodiment, the screw hole 5 of the connecting column head 4 on the upper prefabricated column 3 may be made of steel or other rigid materials, and is internally provided with threads, so that the leveling screw 6 can be screwed in and screwed out conveniently, and vertical load is transmitted.
The foregoing are preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component. Therefore, all equivalent changes according to the structure, shape and principle of the present utility model should be covered in the protection scope of the present utility model.
Claims (5)
1. The utility model provides an assembled reinforced concrete precast column connection structure, its characterized in that includes precast column (2) and last precast column (3) down, have in going up precast column (3) and go up longitudinal stress bar (7), have in lower precast column (2) down longitudinal stress bar (8), the one end protrusion of going up precast column (3) has connection column cap (4), the terminal surface of connection column cap (4) is provided with a plurality of screw (5), and screw thread fit has leveling screw (6) on screw (5), connection column cap (4) face-to-face aligns lower precast column (2), and go up the load of precast column (3) is passed through leveling screw (6) the column top of precast column (2) down, rotatory leveling screw (6) are leveled go up precast column (3), upward longitudinal stress bar (7) and lower longitudinal stress bar (8) periphery are bound and are had stirrup (9).
2. A prefabricated reinforced concrete column connecting structure according to claim 1, wherein the top of the lower prefabricated column (2) and the surface of the protruding connecting column head (4) of the upper prefabricated column (3) are roughened.
3. A prefabricated reinforced concrete column connecting structure according to claim 1, characterized in that the dead weight load of the upper prefabricated column (3) is transferred to the column top of the lower prefabricated column (2) through the leveling screw (6).
4. The prefabricated column connecting structure of fabricated reinforced concrete according to claim 1, wherein the upper prefabricated column (3) is precisely leveled by adjusting a leveling screw (6).
5. A prefabricated reinforced concrete column connecting structure according to claim 1, characterized in that the upper prefabricated column (3) is supported and secondarily poured concrete using legs after being leveled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421208388.XU CN222435522U (en) | 2024-05-30 | 2024-05-30 | Prefabricated post connection structure of assembled reinforced concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421208388.XU CN222435522U (en) | 2024-05-30 | 2024-05-30 | Prefabricated post connection structure of assembled reinforced concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222435522U true CN222435522U (en) | 2025-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421208388.XU Active CN222435522U (en) | 2024-05-30 | 2024-05-30 | Prefabricated post connection structure of assembled reinforced concrete |
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| CN (1) | CN222435522U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120830360A (en) * | 2025-09-05 | 2025-10-24 | 中国能源建设集团湖南省电力设计院有限公司 | Prefabricated external ECC jacketed composite column |
-
2024
- 2024-05-30 CN CN202421208388.XU patent/CN222435522U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120830360A (en) * | 2025-09-05 | 2025-10-24 | 中国能源建设集团湖南省电力设计院有限公司 | Prefabricated external ECC jacketed composite column |
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