CN212104818U - Assembled reinforced concrete structure post and connected node - Google Patents
Assembled reinforced concrete structure post and connected node Download PDFInfo
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- CN212104818U CN212104818U CN202020565674.7U CN202020565674U CN212104818U CN 212104818 U CN212104818 U CN 212104818U CN 202020565674 U CN202020565674 U CN 202020565674U CN 212104818 U CN212104818 U CN 212104818U
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Abstract
The utility model discloses an assembly type reinforced concrete structural column and a connecting node, wherein the assembly type reinforced concrete structural column comprises a concrete column (1), and an axial through hole (2) is arranged in the concrete column (1); the upper end and the lower end of the concrete column (1) are provided with connecting components; the connecting assembly comprises a sealing plate (3), and a group of connecting plates (4) are arranged on the sealing plate (3). The connecting joint of the assembled reinforced concrete structural columns comprises joint concrete (7) positioned between the assembled reinforced concrete structural columns which are adjacent up and down, longitudinal bar connectors (701) are arranged in the joint concrete (7), and segmented stirrups (702) are arranged on the outer sides of the longitudinal bar connectors (701); vertical connecting pieces (703) are further arranged between the adjacent assembly type reinforced concrete structural columns. The utility model has the characteristics of can compromise simple to operate, with low costs and fire behavior is good simultaneously.
Description
Technical Field
The utility model relates to an assembled reinforced concrete structure post for building, especially an assembled reinforced concrete structure post and connected node.
Background
Structural columns are the primary components of buildings that bear both vertical and horizontal loads, bearing the loads transmitted by the floors and beams and transmitted to the foundation. The traditional reinforced concrete structure column is generally made by adopting a cast-in-place concrete mode, needs to be cast in situ, not only wastes time, but also is difficult to ensure the casting quality. With the development of green buildings and building industrialization, fabricated buildings have gradually entered the market, and fabricated structural columns have also begun to gradually replace traditional cast-in-place concrete columns. The existing fabricated structural column mainly comprises a concrete column and a steel structural column.
When the concrete column is assembled, the connection between the columns mainly adopts a grouting sleeve connection technology, a grouting sleeve is pre-embedded in the precast concrete column, the longitudinal steel bars of the lower column are inserted into the sleeve of the upper column while the components are hoisted in place on site, and then grouting material is injected into the sleeve to complete the connection between the upper and lower section columns; in practical application, the grouting sleeve connection technology has a plurality of defects, and firstly, the butt joint difficulty of the sleeve and the steel bar is high during construction; secondly, the grouting compactness of the sleeve is difficult to detect, the phenomena of slurry leakage and cavities are easy to occur, and the construction quality is difficult to ensure; thirdly, the sleeve is complex in process and high in manufacturing cost, so that the overall manufacturing cost of the assembly type concrete building is improved. The steel structure column has the following disadvantages: 1. the fireproof performance is poor, additional fireproof protection is needed, the manufacturing cost is high, the fireproof material occupies the use area of a building, the use efficiency of the building is low, and the fireproof material is easy to damage in later decoration projects, so that the fireproof safety of the structure is affected; 2. the utilization efficiency of the steel structure column material is low, the steel structure column mainly bears pressure, and the strength utilization rate of the general material is only about 50% due to the existence of the stability coefficient of the compression member.
Therefore, the existing fabricated structural column has the problems that installation is convenient, cost is low and fireproof performance is good.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an assembled reinforced concrete structure post and connected node. The utility model has the characteristics of can compromise simple to operate, with low costs and fire behavior is good simultaneously.
The technical scheme of the utility model: the assembled reinforced concrete structural column comprises a concrete column, wherein connecting assemblies are arranged at the upper end and the lower end of the concrete column; the connecting assembly comprises a sealing plate, and a group of connecting plates are arranged on the sealing plate.
In the fabricated reinforced concrete structural column, an axial through hole is further formed in the concrete column.
In the assembled reinforced concrete structural column, the sealing plate comprises a plate body, and a convex plate is arranged on the side edge of the plate body; the middle part of the plate body is provided with a concrete pouring hole corresponding to the through hole, and the periphery of the plate body is also provided with longitudinal rib holes.
In the fabricated reinforced concrete structural column, the connecting plate is provided with a column connecting hole and a hoop rib hole.
In the assembly type reinforced concrete structural column, the outer end of the connecting plate is also provided with a steel beam connecting hole.
In the assembly type reinforced concrete structural column, the concrete column comprises a concrete layer, and a steel reinforcement framework is arranged in the concrete layer; the steel bar framework comprises a group of longitudinal bars distributed along the periphery, peripheral stirrups distributed from top to bottom in a multilayer mode are arranged on the outer sides of the longitudinal bars, and diagonal brace groups distributed from top to bottom are further arranged between the longitudinal bars.
In the fabricated reinforced concrete structural column, the sealing plate is provided with studs or shear keys.
The connecting joint of the assembled reinforced concrete structural columns comprises joint concrete positioned between the assembled reinforced concrete structural columns which are adjacent up and down, a longitudinal bar connector is arranged in the joint concrete, and segmented stirrups are arranged on the outer sides of the longitudinal bar connectors; vertical connecting pieces are also arranged between the adjacent assembled reinforced concrete structural columns; the fabricated reinforced concrete structural column is the fabricated reinforced concrete structural column.
The connection node of the assembly type reinforced concrete structure column further comprises a steel beam connecting piece, and the steel beam connecting piece is fixed with the assembly type reinforced concrete structure column and the steel beam through bolts or welding modes.
Compared with the prior art, the utility model consists of a concrete column and connecting components arranged at the upper end and the lower end of the concrete column, and combines the reinforced concrete column and the steel structure beam well, thereby having the characteristics of convenient construction, good fireproof performance and good economical efficiency; and the whole structure can be prefabricated in a factory, so that the quality of the product can be ensured. Moreover, the utility model can also reduce the weight of the precast columns by about 50 percent by arranging the axial through holes in the concrete columns, thereby being convenient for transportation, reducing the material cost and the transportation cost and being convenient for the pouring of the concrete in the core area of the node between two adjacent precast columns; the weight of the prefabricated column is reduced, so that two to three layers of the prefabricated column can be provided with one hoisting unit, and the processing and manufacturing cost can be further reduced. The utility model discloses a indulge the muscle in the muscle hole of indulging on the shrouding can the accurate reference column, be favorable to the muscle connection of indulging of prefabricated post shaping quality and node nuclear core region. The shrouding and connecting plate closely combine with the concrete in beam column node core area, can effectively improve the intensity and the anti-seismic performance in node core area. To sum up, the utility model has the characteristics of can compromise simple to operate, with low costs and fire behavior is good simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a structural view of the closure plate;
FIG. 3 is a schematic structural view of a connection plate;
FIG. 4 is a top view of a concrete column;
fig. 5 is a schematic structural view of a steel reinforcement cage;
FIG. 6 is a structural view of a single-layer steel reinforcement cage;
FIG. 7 is a structural view of a connection node;
FIG. 8 is a view of the structure of FIG. 7 with the node concrete omitted;
FIG. 9 is an installation view of the vertical connecting plate;
FIG. 10 is a view of the mounting structure of the segmented stirrup.
The labels in the figures are: 1-concrete column, 2-through hole, 3-closing plate, 4-connecting plate, 5-concrete layer, 6-steel reinforcement framework, 7-node concrete, 8-steel beam connecting piece, 9-steel beam, 301-plate body, 302-convex plate, 303-concrete pouring hole, 304-longitudinal rib hole, 401-steel beam connecting hole, 402-column connecting hole, 403-hoop rib hole, 601-longitudinal rib, 602-peripheral hoop rib, 603-diagonal rib group, 604-diagonal rib, 701-longitudinal rib connector, 702-hoop rib and 703-vertical connecting piece.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples are given. An assembly type reinforced concrete structural column, as shown in fig. 1 to 10, comprising a concrete column 1; the upper end and the lower end of the concrete column 1 are provided with connecting components; coupling assembling includes shrouding 3, is equipped with a set of connecting plate 4 on the shrouding 3.
The concrete column 1 is also provided with an axial through hole 2.
The sealing plate 3 comprises a plate body 301, and convex plates 302 are arranged on the side edges of the plate body 301 corresponding to the connected steel beams; concrete pouring holes 303 corresponding to the through holes 2 are formed in the middle of the plate body 301, and longitudinal rib holes 304 are formed in the periphery of the plate body 301.
Furthermore, the plate body can be protruded out of the outer edge of the structural column according to the stress requirement to form an outer ring plate for transmitting internal force.
The connecting plate 4 is provided with a column connecting hole 402 and a stirrup hole 403.
The outer end of the connecting plate 4 is also provided with a steel beam connecting hole 401. The connecting plate is used for being connected with the steel beam connecting piece and the connecting plate in a bolt connection mode.
The concrete column 1 comprises a concrete layer 5, and a steel reinforcement framework 6 is arranged in the concrete layer 5; the steel bar framework 6 comprises a group of longitudinal bars 601 distributed along the periphery, a plurality of layers of peripheral stirrups 602 distributed up and down are arranged on the outer sides of the longitudinal bars 601, and diagonal bar groups 603 distributed up and down are also arranged between the longitudinal bars 601. The longitudinal bars are all non-prestressed bars, or are all prestressed bars, or have both prestressed bars and non-prestressed bars, preferably have both prestressed bars and non-prestressed bars, so that the comprehensive performance of the structural column can be improved, and the prestressed bars can be steel bars, or prestressed steel strands, or prestressed screw steel and the like.
The diagonal brace group 603 comprises diagonal brace units arranged at each side edge; each of the diagonal brace units includes two diagonal braces 604 symmetrically distributed.
The closing plate 3 is provided with studs or shear keys.
The preparation process comprises the following steps:
firstly, manufacturing a steel bar framework, wherein the steel bar framework comprises longitudinal bars, peripheral stirrups and diagonal reinforcement groups;
secondly, respectively penetrating and fixing longitudinal bars of the steel bar framework through longitudinal bar holes on the connecting components at the top and the bottom;
thirdly, a vertical sleeve is placed in the middle of the steel reinforcement framework, a steel wire mesh is attached to the periphery of the sleeve, a template is installed on the outer side of the steel reinforcement framework, a concrete pouring cavity is formed, and a pouring model is obtained;
the formwork is installed on only three sides and the concrete is poured from the other side without formwork.
Fourthly, pouring concrete and maintaining;
and fifthly, extracting the sleeve, and removing the template to obtain a finished product of the assembled reinforced concrete structural column.
The steel wire mesh is attached to the periphery of the sleeve and used for forming a concrete rough surface on the inner wall of the through hole.
When the sleeve is poured and pounded, the sleeve is rotated left and right or pulled up and down, and the sleeve and the concrete are prevented from being condensed together while a rough surface is formed.
The template installed in the third step can be directly made of a steel plate without detaching the template, the strength and the ductility of the node area can be further enhanced after the template is welded with peripheral members, and the economic efficiency is not as high as that of a reusable template.
The connecting joint of the assembled reinforced concrete structural columns comprises joint concrete 7 positioned between the assembled reinforced concrete structural columns which are adjacent up and down, a longitudinal bar connector 701 is arranged in the joint concrete 7, and segmented stirrups 702 are arranged on the outer sides of the longitudinal bar connectors 701; vertical connecting pieces 703 are also arranged between the adjacent assembled reinforced concrete structural columns; the assembled reinforced concrete structural column is the assembled reinforced concrete structural column.
The steel beam connecting piece 8 is used for connecting the assembled reinforced concrete structural column and the steel beam 9 together in a bolt connection or welding mode.
The connection of the connection nodes comprises the following specific steps:
A. hoisting the assembled reinforced concrete structural columns to be installed to corresponding installation positions, and connecting and fixing the vertically adjacent assembled reinforced concrete structural columns by using vertical connecting pieces and bolts to obtain an A product;
B. installing a longitudinal bar connector at the connecting position of the product A, inserting the sectional stirrups into the stirrup holes on the connecting plate, and welding the stirrups into a whole to obtain a product B;
C. installing a node template at the connecting position of the product B to obtain a product C;
D. pouring node concrete from the through hole of the upper assembled reinforced concrete structural column, and curing to the designed strength to complete the connection between the upper and lower adjacent assembled reinforced concrete structural columns; before concrete in the through hole is cast in place, reinforcing steel bars can be arranged in the through hole to form a core column, and the ductility and the seismic performance of the structural column are further improved.
E. And hoisting the steel beam, and connecting the steel beam with the fabricated reinforced concrete structural column by using the steel beam connecting piece after the steel beam is in place, wherein the connecting mode is bolt connection or welding.
The transverse steel beam or the concrete beam is connected with the corresponding steel beam connecting hole on the connecting plate through the steel beam connecting piece and the bolt.
The longitudinal rib holes correspond to the longitudinal ribs, and the longitudinal ribs penetrate through the longitudinal rib holes.
Claims (9)
1. Assembled reinforced concrete structure post, its characterized in that: the concrete column comprises a concrete column (1), wherein connecting assemblies are arranged at the upper end and the lower end of the concrete column (1); the connecting assembly comprises a sealing plate (3), and a group of connecting plates (4) are arranged on the sealing plate (3).
2. The assembled reinforced concrete structural column of claim 1, wherein: an axial through hole (2) is further formed in the concrete column (1).
3. The assembled reinforced concrete structural column of claim 2, wherein: the sealing plate (3) comprises a plate body (301), a convex plate (302) is arranged on the side edge of the plate body (301), and a concrete pouring hole (303) corresponding to the through hole (2) is formed in the middle of the plate body (301); longitudinal rib holes (304) are further formed in the periphery of the plate body (301).
4. The assembled reinforced concrete structural column of claim 1, wherein: and the connecting plate (4) is provided with a column connecting hole (402) and a stirrup hole (403).
5. The assembled reinforced concrete structural column of claim 1, wherein: the outer end of the connecting plate (4) is also provided with a steel beam connecting hole (401).
6. The assembled reinforced concrete structural column of claim 1, wherein: the concrete column (1) comprises a concrete layer (5), and a steel reinforcement framework (6) is arranged in the concrete layer (5); the steel bar framework (6) comprises a group of longitudinal bars (601) distributed along the periphery, a plurality of layers of peripheral stirrups (602) distributed up and down are arranged on the outer sides of the longitudinal bars (601), and diagonal bar groups (603) distributed up and down are also arranged between the longitudinal bars (601).
7. The assembled reinforced concrete structural column of claim 1, wherein: the closing plate (3) is provided with studs or shear keys.
8. The utility model provides a connected node of assembled reinforced concrete structure post which characterized in that: the prefabricated reinforced concrete structure column comprises node concrete (7) positioned between vertically adjacent prefabricated reinforced concrete structure columns, wherein longitudinal bar connectors (701) are arranged in the node concrete (7), and segmented stirrups (702) are arranged on the outer sides of the longitudinal bar connectors (701); vertical connecting pieces (703) are also arranged between the adjacent assembly type reinforced concrete structural columns; the fabricated reinforced concrete structural column is a fabricated reinforced concrete structural column as claimed in any one of claims 1 to 7.
9. A connection node of an assembled reinforced concrete structural column according to claim 8, wherein: the steel beam connecting piece (8) is fixed with the assembly type reinforced concrete structural column and the steel beam (9) in a bolt or welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020565674.7U CN212104818U (en) | 2020-04-16 | 2020-04-16 | Assembled reinforced concrete structure post and connected node |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020565674.7U CN212104818U (en) | 2020-04-16 | 2020-04-16 | Assembled reinforced concrete structure post and connected node |
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| CN212104818U true CN212104818U (en) | 2020-12-08 |
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| CN202020565674.7U Active CN212104818U (en) | 2020-04-16 | 2020-04-16 | Assembled reinforced concrete structure post and connected node |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482598A (en) * | 2022-01-12 | 2022-05-13 | 广城建设集团有限公司 | Building column strengthening structure and method |
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2020
- 2020-04-16 CN CN202020565674.7U patent/CN212104818U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482598A (en) * | 2022-01-12 | 2022-05-13 | 广城建设集团有限公司 | Building column strengthening structure and method |
| CN114482598B (en) * | 2022-01-12 | 2023-09-22 | 广城建设集团有限公司 | Building column strengthening structure and method |
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