CN215406539U - Assembled reinforced concrete structure and connected node - Google Patents
Assembled reinforced concrete structure and connected node Download PDFInfo
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- CN215406539U CN215406539U CN202121187140.6U CN202121187140U CN215406539U CN 215406539 U CN215406539 U CN 215406539U CN 202121187140 U CN202121187140 U CN 202121187140U CN 215406539 U CN215406539 U CN 215406539U
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Abstract
In order to solve the problem that reinforcing steel bars are difficult to avoid as the longitudinal beam ribs of the precast beams extend into the precast columns in the prior art, the embodiment of the utility model provides the connection node of the assembly type reinforced concrete structure. The embodiment of the utility model overcomes the problem of difficulty in avoiding the reinforcing steel bars caused by the fact that the beam longitudinal ribs of the precast beam extend into the precast column in the prior art, thereby avoiding the defect that the sections of the precast beam and the precast column have to be enlarged due to the problem of placing the reinforcing steel bars.
Description
Technical Field
The utility model relates to an assembly type reinforced concrete structure and a connecting node.
Background
For a reinforced concrete structure, the common connection method of the precast concrete beam column comprises the following steps: the precast beam longitudinal ribs extend into the core area in the column through the anchoring plate, the column longitudinal ribs are intensively placed at the corners to reserve spaces for the beam longitudinal ribs and the anchoring plate, and finally, the beam-column joint core area is connected through cast-in-place concrete.
Referring to fig. 6, the existing precast column 102 of the connection node in the prior art is connected with two existing precast beams 101, the longitudinal beam ribs of the two existing precast beams 101 respectively transversely and longitudinally penetrate through the existing precast column 102 of the connection node, a plurality of longitudinal beam ribs penetrate through the precast column, and the end parts of the longitudinal beam ribs in the precast column are provided with longitudinal rib anchoring plates 103.
The connection node has the following obvious disadvantages: the prefabricated beam and the prefabricated column in the connecting node area are high in longitudinal bar concentration degree, the beam longitudinal bars stretch into the prefabricated column, steel bars in the prefabricated column are difficult to avoid, and then the node concrete is poured to influence the construction quality.
SUMMERY OF THE UTILITY MODEL
For the beam longitudinal reinforcement of solving the precast beam that exists among the prior art stretches into in the precast column and leads to the reinforcing bar in the precast column to dodge the difficult problem, provide an assembled reinforced concrete structure and connected node.
The utility model is realized by the following technical scheme:
in a first aspect, an embodiment of the present invention provides a connection node of an assembly type reinforced concrete structure, where at least two sides of each side of a precast column of the connection node are respectively connected with a precast beam, and the precast beams are fixedly connected with the precast column.
Optionally, the beam longitudinal bars of the precast beam are fixedly connected with at least two sides of each side of the precast column respectively.
Optionally, at least two sides of each side of the precast column are respectively provided with a U-shaped groove, and the U-shaped grooves are used for fixedly connecting the precast column with the concrete structure at one end of the precast beam; and longitudinal rib connecting plates are arranged in the U-shaped grooves, and longitudinal ribs at one end of each prefabricated beam are connected with the prefabricated columns through the longitudinal rib connecting plates.
Optionally, be equipped with the cross baffle in the prefabricated post, four post longitudinal reinforcement areas are separated with the post stirrup of prefabricated post to the cross baffle in the prefabricated post, and every post longitudinal reinforcement area is equipped with a plurality of post longitudinal reinforcement.
Optionally, at least two sides of each side of the prefabricated column are provided with column side vertical plates, and the U-shaped groove and the longitudinal rib connecting plate are arranged on the column side vertical plates.
Optionally, a plurality of split anchors are longitudinally and transversely arranged in the prefabricated column and welded with the side vertical plate of the prefabricated column.
Optionally, the precast column side vertical plate is welded with a shear pin, and the shear pin and the split anchor are arranged in a staggered manner.
Optionally, the cross section of the prefabricated column is a rectangular structure.
In a second aspect, embodiments of the present invention provide an assembled reinforced concrete structure, including the connection node.
Compared with the prior art, the embodiment of the utility model has the following advantages and beneficial effects:
at least two sides of each side of a prefabricated column of the connecting node are respectively connected with a prefabricated beam, and the prefabricated beams are fixedly connected with the prefabricated column, so that the problem that reinforcing steel bars are difficult to avoid due to the fact that longitudinal reinforcing steel bars of the prefabricated beams extend into the prefabricated column in the prior art is solved, and the defect that the sections of the prefabricated beams and the sections of the prefabricated columns have to be enlarged due to the fact that the reinforcing steel bars are placed is overcome.
By adopting the connecting node, the assembly type reinforced concrete structure of the embodiment of the utility model improves the production efficiency and reduces the operations of node cast-in-place and column longitudinal bar grouting sleeve.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:
fig. 1 is a schematic connection diagram of a prefabricated column and a prefabricated beam of a connection node.
Fig. 2 is a schematic structural view of a section a-a in fig. 1.
Fig. 3 is a schematic structural view of the steel member at section a-a in fig. 1.
Fig. 4 is a schematic structural view of a section B-B in fig. 3.
Fig. 5 is a schematic diagram of the overall structure of the connection node.
Fig. 6 is a schematic connection diagram of a precast column and a precast beam in a conventional connection node.
Reference numbers and corresponding part names in the drawings:
the method comprises the following steps of 1-first precast beam, 2-second precast beam, 3-third precast beam, 4-fourth precast beam, 5-precast column, 6-column longitudinal rib, 7-beam longitudinal rib, 8-U-shaped groove, 9-longitudinal rib connecting plate, 10-column side vertical plate, 11-cross partition plate, 12-split anchor bolt, 13-bolt, 14-column stirrup, 15-beam stirrup, 16-triangular auxiliary plate, 101-existing precast beam, 102-existing precast column and 103-longitudinal rib anchoring plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Examples
In order to solve the problem that the longitudinal beam ribs 7 of the prefabricated beam extend into the prefabricated column to cause the steel bars (longitudinal beam ribs and longitudinal column ribs) in the prefabricated column to be difficult to avoid in the prior art, the embodiment of the utility model provides the connection node of the assembly type reinforced concrete structure.
Referring to fig. 1, in the prefabricated column in the prior art, a column longitudinal rib of the prefabricated column passes through, and a beam longitudinal rib of the prefabricated beam also passes through, so that the longitudinal direction of the steel bar in the prefabricated column is large, the difficulty of grouting construction at the joint of the prefabricated column and the beam is increased, and the quality is difficult to control.
The embodiment of the utility model adopts a new prefabricated column structure, and changes the traditional method for connecting the nodes. That is, the longitudinal beam ribs of the precast beam do not penetrate through the precast column, and the longitudinal beam ribs of the precast beam on the corresponding side are connected together through the longitudinal rib connecting plates on at least two sides of each outer side of the precast column.
Referring to fig. 1 to 5, optionally, the longitudinal beam ribs of the precast beam are fixedly connected to at least two sides of each side of the precast column, respectively.
With the roof beam of precast beam indulge muscle 7 and the at least both sides fixed connection of each side of precast column, avoided roof beam indulge muscle 7 pass the inside problem that leads to of precast column in the steel muscle dodge the difficulty of precast column.
Optionally, at least two sides of each side of the precast column are respectively provided with a U-shaped groove, and the U-shaped grooves are used for fixedly connecting the precast column with a concrete structure at one end of the precast beam close to the precast column; and longitudinal rib connecting plates are arranged in the U-shaped grooves, and longitudinal ribs at one end of each prefabricated beam are connected with the prefabricated columns through the longitudinal rib connecting plates.
The precast columns may be connected to the precast girders by one side, two sides, and a plurality of sides above the two sides, respectively, in the above-described manner. The cross section of the precast column is of a rectangular structure.
Referring to fig. 1-5, a first precast beam 1, a second precast beam 2, a third precast beam 3 and a fourth precast beam 4 are respectively connected to four sides of a precast column 5, U-shaped grooves 8 are respectively formed on the four sides of the precast column, and concrete structure portions of one ends, close to the precast column, of the first precast beam 1, the second precast beam 2, the third precast beam 3 and the fourth precast beam 4 are respectively fixed through the U-shaped grooves 8; and longitudinal rib connecting plates 9 are arranged in the U-shaped grooves, and a beam longitudinal rib at one end, close to the prefabricated column, of each prefabricated beam is connected with the prefabricated column through the longitudinal rib connecting plates.
Optionally, a beam stirrup 15 is arranged in the U-shaped groove.
Optionally, be equipped with the cross baffle in the prefabricated post, four post longitudinal reinforcement areas are separated with the post stirrup of prefabricated post to the cross baffle in the prefabricated post, and every post longitudinal reinforcement area is equipped with a plurality of post longitudinal reinforcement.
Referring to fig. 1, the cross partition plate in the prefabricated column and the column stirrups 14 of the prefabricated column enclose 4 column longitudinal rib areas, and a plurality of column longitudinal ribs 6 penetrate through each column longitudinal rib area; optionally, the number of the column longitudinal ribs 6 in each column longitudinal rib area is 3, and the 3 column longitudinal ribs are distributed at three right angles of the column longitudinal rib area.
Optionally, a plurality of split anchors are longitudinally and transversely arranged in the prefabricated column and welded with the side vertical plate of the prefabricated column.
Referring to fig. 1, a cross-shaped partition plate 11 is arranged in the prefabricated column 5, split bolts 12 are arranged in the prefabricated column 5 in the longitudinal direction and the transverse direction, and the split bolts 12 are welded with the side vertical plates of the prefabricated column through perforation plug welding.
Optionally, the precast column side vertical plate is welded with a shear pin, and the shear pin and the split anchor are arranged in a staggered manner.
Optionally, the number of the cross-shaped partition plates is two, the two cross-shaped partition plates are respectively arranged at two ends of the prefabricated column, the prefabricated column part between the two cross-shaped partition plates is longitudinally and transversely provided with split anchors 12, and each split anchor is welded with the side vertical plate of the prefabricated column through perforation plug welding.
The column stirrup 14 of the prefabricated column is used for hooping the column longitudinal bar in the prefabricated column.
Referring to fig. 3, the components in fig. 3 are all made of steel, all steel component plates are welded into a whole by full penetration welding, and a triangular auxiliary plate 16 is arranged on the lower side of the cross partition plate 11.
Optionally, at least two sides of each side of the prefabricated column are respectively provided with a column side vertical plate 10, and the U-shaped groove and the longitudinal rib connecting plate are respectively arranged on the column side vertical plates 10.
Optionally, each column side vertical plate 10 of the prefabricated column is welded into a whole through a split screw and an upper cross partition plate and a lower cross partition plate, 1-3 layers of reinforced concrete columns can be prefabricated and formed in a prefabrication factory at one time, and then a U-shaped groove outside the prefabricated column is welded on the column side vertical plate; during on-site construction, beam longitudinal ribs of the precast beam are welded with the column side vertical plates into a whole through end welding longitudinal rib connecting plates; and finally, pouring the hollow cavity part of the U-shaped groove together with the superposed layer of the precast beam and floor slab concrete (namely the concrete structure close to one end of the precast column) to form a structural main body with good integrity.
The node mode has the following advantages: the beam longitudinal ribs 7 of the prefabricated beam of the connecting node are connected outside the column through longitudinal rib connecting plates, and the beam longitudinal ribs and the column longitudinal ribs are not interfered with each other, so that the problem of difficulty in avoiding the reinforcing steel bars is solved.
The cross sections of the prefabricated beam and the prefabricated column are designed according to the amount of the steel bars of the respective components, and the cross sections are reduced compared with the cross sections of the prefabricated beam and the column connected by adopting cast-in-place nodes, so that the effect is better when the components are provided with more steel bars.
The prefabricated column factory production can be prefabricated in multiple layers at one time, the pouring quality of the concrete in the node area is better guaranteed, the number of the prefabricated column parts is reduced, the grouting sleeve and the corresponding field grouting work are fewer, and the factory production and field hoisting efficiency is higher.
And fourthly, the cast-in-place nodes of the beam column are obviously reduced, the cast-in-place operation on site is correspondingly reduced, and the cost and the construction time are saved.
The U-shaped supporting plate outside the column can be used as the end support of the precast beam and the side mold of the cast-in-place area of the beam end, and the lower support of the beam is saved.
In a second aspect, embodiments of the present invention provide an assembled reinforced concrete structure, including the connection node.
The assembly type reinforced concrete structure provided by the embodiment of the utility model has the advantages of obvious industrialization and assembly characteristics, high node bearing capacity and strong adaptability, and shows convenience and advantages in various aspects for building construction.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The connection node of the assembly type reinforced concrete structure is characterized in that at least two sides of each side of a prefabricated column of the connection node are respectively connected with a prefabricated beam, and the prefabricated beams are fixedly connected with the prefabricated column; at least two sides of each side of the prefabricated column are respectively provided with a U-shaped groove, and the U-shaped grooves are used for fixedly connecting the prefabricated column with a concrete structure at one end of the prefabricated beam; and longitudinal rib connecting plates are arranged in the U-shaped grooves, and longitudinal ribs at one end of each prefabricated beam are connected with the prefabricated columns through the longitudinal rib connecting plates.
2. A connecting joint of an assembled reinforced concrete structure as set forth in claim 1, wherein the longitudinal bars of the precast girders are fixedly connected to at least two sides of each side of the precast columns, respectively.
3. A connection node of an assembled reinforced concrete structure as claimed in claim 1, wherein a cross partition is provided in the prefabricated column, the cross partition in the prefabricated column and the column hoop of the prefabricated column are divided into four column longitudinal rib areas, and a plurality of column longitudinal ribs are provided in each column longitudinal rib area.
4. An assembly-type reinforced concrete structure connecting node as claimed in claim 1, wherein column-side standing plates are provided on at least both sides of each side of said prefabricated column, and said U-shaped groove and said longitudinal bar connecting plate are provided on the column-side standing plates.
5. An assembly-type reinforced concrete structure connecting node according to claim 4, wherein a plurality of tie bolts are longitudinally and transversely arranged in the prefabricated column, and the tie bolts are welded to the side vertical plates of the prefabricated column.
6. An assembly-type reinforced concrete structure connecting node according to claim 5, wherein shear pins are welded to the side risers of the precast columns, and the shear pins are staggered with respect to the anchor bolts.
7. A connection node of an assembled reinforced concrete structure according to any one of claims 1 to 6, wherein the cross-section of the prefabricated column is a rectangular structure.
8. An assembled reinforced concrete structure, characterized in that it comprises a connection node according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121187140.6U CN215406539U (en) | 2021-05-28 | 2021-05-28 | Assembled reinforced concrete structure and connected node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121187140.6U CN215406539U (en) | 2021-05-28 | 2021-05-28 | Assembled reinforced concrete structure and connected node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215406539U true CN215406539U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121187140.6U Active CN215406539U (en) | 2021-05-28 | 2021-05-28 | Assembled reinforced concrete structure and connected node |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215406539U (en) |
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2021
- 2021-05-28 CN CN202121187140.6U patent/CN215406539U/en active Active
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