CN210562999U - Connection node structure of superimposed hollow column - Google Patents
Connection node structure of superimposed hollow column Download PDFInfo
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- CN210562999U CN210562999U CN201920905827.5U CN201920905827U CN210562999U CN 210562999 U CN210562999 U CN 210562999U CN 201920905827 U CN201920905827 U CN 201920905827U CN 210562999 U CN210562999 U CN 210562999U
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Abstract
The utility model provides a hollow column's of coincide connected node structure, its characterized in that includes: the concrete hollow column comprises a cavity, a column shell forming the cavity and a steel bar assembly, wherein at least part of the steel bar assembly is embedded in the column shell; and the connector is used for connecting the two vertically-superposed concrete hollow columns, one end of the connector extends into the cavities of the lower concrete hollow columns of the two concrete hollow columns, the other end of the connector extends into the cavities of the upper concrete hollow columns of the two concrete hollow columns, concrete is poured at least into the cavities of the two concrete hollow columns, and the two concrete hollow columns are connected up and down through the connector and the poured concrete.
Description
Technical Field
The utility model relates to an assembly type structure field especially relates to a connected node structure of coincide hollow post.
Background
The prefabricated concrete structure can effectively save resources and energy, improve the efficiency of the material in the aspects of building energy conservation and structural performance, reduce building garbage and reduce adverse effects on the environment, and meets the requirements of building industrialization, housing industrialization and green buildings. In the fabricated structure, the fabricated concrete frame structure can be applied to large-space buildings such as office buildings, schools, hospitals and the like, and belongs to a structural form which is most widely applied in constructional engineering.
At present, a frame structure system mainly comprising solid prefabricated columns has a plurality of problems and difficulties, and solid column components have large models of tower cranes due to large dead weights, are difficult to hoist on site and are inconvenient to transport; ribs are formed at the end parts of the prefabricated components of the solid columns, so that the production efficiency of a component factory is low; the column longitudinal steel bars are mostly connected by the semi-grouting sleeve on site, the steel bars are difficult to connect, the connecting process is invisible, and the connecting quality is difficult to ensure. At present, the efficiency of the fabricated building is low due to a plurality of factors, the construction period is long, the cost is increased, and the quality is difficult to ensure.
In the prior art, a mechanical connection mode is usually adopted at a connection node of a hollow superposed column, the connection process of the connection mode is visible, the connection quality is controllable, but the requirement on the precision of a prefabricated part is high, and the on-site steel bar cannot be accurately aligned, so that the production efficiency of a framework and the on-site connection efficiency are low.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one of the above technical problems, the present disclosure provides the following.
According to an aspect of the present disclosure, a connection node structure of a superimposed hollow column includes: the concrete hollow column comprises a cavity, a column shell forming the cavity and a steel bar assembly, wherein at least part of the steel bar assembly is embedded in the column shell; and
the connector, the connector is used for connecting coincide from top to bottom two hollow concrete columns, the one end of connector extends to in the cavity of the hollow concrete column of the lower of two hollow concrete columns, the other end of connector extends to in the cavity of the hollow concrete column of the last of two hollow concrete columns, the concrete is pour at least in the cavity of two hollow concrete columns, two hollow concrete columns pass through the connector is connected from top to bottom with the concrete formation of being pour.
According to at least one embodiment of the present disclosure, two concrete hollow columns stacked one on another are spaced apart by a predetermined space to provide a horizontal beam placing space in which concrete is poured.
According to at least one embodiment of the present disclosure, at the adjacent ends of the two concrete hollow columns, the ends of the lower concrete hollow column and/or the upper concrete hollow column have recesses for receiving horizontal beams.
According to at least one embodiment of the present disclosure, the end of the lower concrete hollow column has a recess to accommodate a horizontal beam, and the horizontal beam is accommodated in the recess without a space to accommodate the horizontal beam between the lower concrete hollow column and the upper concrete hollow column.
According to at least one embodiment of the present disclosure, the cross-sectional shape of the concrete hollow column is a polygon, a circle or an ellipse.
According to at least one embodiment of the present disclosure, the connector is a reinforcing bar connector, a steel plate connector, and/or a steel section connector.
According to at least one embodiment of the present disclosure, the connector is a reinforcing connector, and the reinforcing connector is shaped to enhance the connection strength of the two concrete hollow columns.
According to at least one embodiment of the present disclosure, the connector includes a one-dimensional form of a reinforcing bar linear connector, and the reinforcing bar linear connector is: one or a combination of a plurality of linear shapes, broken line shapes, spiral shapes, hook shapes or ripple shapes; and/or
The connector comprises a two-dimensional reinforcing steel bar sheet connector, and the reinforcing steel bar sheet connector is as follows: one of a U shape, a whole ring shape, an end ring shape, or a net shape, or a combination of a plurality of shapes; and/or
The connector comprises a reinforcement cage-shaped connector in a three-dimensional form, and the reinforcement cage-shaped connector is: the reinforcing steel bar sheet-shaped connector and the reinforcing steel bar cage-shaped connector formed by the reinforcing steel bar linear connector, the reinforcing steel bar cage-shaped connector formed by the reinforcing steel bar linear connector or the reinforcing steel bar cage-shaped connector formed by the reinforcing steel bar sheet-shaped connector.
According to at least one embodiment of the present disclosure, the connector includes a reinforcing bar connector, and a reinforcing part for reinforcing the connection strength of the two concrete hollow columns is provided on the reinforcing bar connector.
According to at least one embodiment of the present disclosure, the reinforcement is a protrusion structure and/or a thickening structure provided at the end of the connector.
According to at least one embodiment of the present disclosure, the protruding structure is a parallel rib or a transverse rib provided at an end of the connector; and/or the thickening structure is an end plate structure, an upsetting structure, an additional sleeve structure or an additional nut structure arranged at the end part of the connecting body.
According to at least one embodiment of the present disclosure, the connector is a steel plate connector, and the steel plate connector is provided with a reinforcing part that reinforces the connection strength of the two concrete hollow columns.
According to at least one embodiment of the present disclosure, the steel plate connector is a planar connector, and a hole or a protrusion is provided on the steel plate connector as the reinforcement part; and/or the steel plate connector is a plane bent connector, and the bent part is used as the reinforcing part; and/or the end part of the steel plate connecting body is provided with an end plate structure or a thickening structure which is used as the reinforcing part.
According to at least one embodiment of the present disclosure, the connector is a formed steel bar bundle, the formed steel bar bundle includes a plurality of longitudinal steel bars and stirrups fixedly connected to the longitudinal steel bars, and two ends of the longitudinal steel bars respectively extend into cavities of the lower concrete hollow column and the upper concrete hollow column.
According to at least one embodiment of the present disclosure, the connector is a plurality of sheet-shaped connecting steel bars, and two ends of the plurality of sheet-shaped connecting steel bars extend into the cavities of the lower concrete hollow column and the upper concrete hollow column, respectively.
According to at least one embodiment of the present disclosure, the connector is a section steel connector, and the section steel connector includes an i-section steel, a channel steel, an angle steel and/or a steel pipe.
According to at least one embodiment of this disclosure, the reinforcing bar subassembly of hollow post of concrete includes vertical reinforcing bar and stirrup, vertical reinforcing bar is around the column casing interval setting and bury in the column casing, stirrup with vertical reinforcing bar fixed connection just sets up along the direction of height interval of column casing.
According to at least one embodiment of the present disclosure, the stirrups are provided at intervals over the entire height of the concrete hollow column.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.
Fig. 1 is a schematic view of a concrete hollow column according to an embodiment of the present disclosure.
3 fig. 32 3 is 3 a 3 schematic 3 a 3- 3 a 3 cross 3- 3 section 3 of 3 a 3 concrete 3 hollow 3 column 3 according 3 to 3 an 3 embodiment 3 of 3 the 3 present 3 disclosure 3. 3
Fig. 3 is a schematic diagram of a connection node structure according to an embodiment of the present disclosure.
Fig. 4 is a schematic diagram of a connection node structure according to an embodiment of the present disclosure.
Fig. 5 is a schematic view of a concrete hollow column according to an embodiment of the present disclosure.
Fig. 6 is an assembled overall schematic according to an embodiment of the present disclosure.
Detailed Description
The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The "up-down" position referred to in this disclosure means the relative up-down position when the hollow pillars are placed in superposition, and the "left-right" or "horizontal" position means the position perpendicular to the up-down position.
According to an embodiment of the present disclosure, there is provided a concrete hollow column including: the column shell is prefabricated by concrete; a cavity surrounded by the column shell; and a rebar assembly, at least a portion of which is embedded in the column casing.
3 the 3 cross 3- 3 sectional 3 shape 3 ( 3 the 3 cross 3- 3 sectional 3 shape 3 shown 3 by 3 a 3- 3 a 3 in 3 fig. 31 3) 3 of 3 the 3 concrete 3 hollow 3 column 3 according 3 to 3 the 3 embodiment 3 of 3 the 3 present 3 disclosure 3 may 3 be 3 a 3 polygonal 3 shape 3 such 3 as 3 a 3 rectangle 3, 3 a 3 square 3, 3 a 3 triangle 3, 3 or 3 a 3 hexagon 3, 3 may 3 be 3 a 3 circle 3, 3 an 3 ellipse 3, 3 or 3 the 3 like 3, 3 may 3 be 3 another 3 suitable 3 shape 3, 3 or 3 may 3 be 3 a 3 combination 3 of 3 two 3 or 3 more 3 shapes 3, 3 or 3 the 3 like 3. 3 The square cross-sectional shape is schematically shown in fig. 2.
Fig. 1 shows a longitudinal cross-sectional view of a concrete hollow column according to a first concrete hollow column embodiment of the present disclosure. As shown in fig. 1, the concrete hollow column 10 may include a column shell 11, a cavity 12, and a reinforcement assembly 13.
The column casing 11 may be prefabricated from concrete in a factory. The column shell 11 is formed in a predetermined shape by pouring concrete after setting the reinforcing bar assembly 13 in place in a factory, for example.
The cavity 12 is formed by surrounding the column casing 11, and the cavity 12 may be formed in the central range of the concrete hollow column 10. Through forming this kind of hollow post, can reduce the self weight of prefabricated hollow post like this, be convenient for transportation and hoist and mount etc. in the in-service use.
At least a portion of the reinforcing bar assembly 13 is embedded in the column case 11. As an example, the rebar assembly 13 may include longitudinal rebar 131 and a stirrup 132 (see fig. 1 and 2).
As shown in fig. 1 and 2, the longitudinal bars 131 extend in the height direction of the concrete hollow column 10 and are embedded in the column shell 11, and a plurality of longitudinal bars may be provided in the column shell 11 and may be provided in the column shell 11 at intervals according to actual design requirements.
The stirrups 132 may be spaced apart along the height of the concrete hollow column and fixed to the longitudinal bars 131, for example by welding, tying or mechanical connection. Stirrup 132 includes first stirrup 1321 and second stirrup 1322.
The first stirrups 1321 are arranged around the circumferential sides of the longitudinal reinforcements 131 at intervals along the height of the concrete hollow column 10, and the longitudinal reinforcements 131 arranged along the circumferential direction of the column shell 11 are connected together by the first stirrups 1321.
The second stirrup 1322 surrounds the peripheral side of the oppositely arranged longitudinal reinforcement 131 and a part thereof is located in the cavity 12. The second stirrups 1322 are arranged at intervals along the height of the concrete hollow column 10, in an example of the present disclosure, the first stirrups 1321 and the second stirrups 1322 may be integrally formed steel mesh sheets or a piece of steel mesh sheets bound by steel bars or the like, and the steel mesh sheets may be arranged at intervals along the height of the concrete hollow column 10.
Further, in the case of a thin-shelled concrete hollow column (in the case where the column shell 11 is thin), in the case where the longitudinal reinforcing bars 131 extend in the height direction of the concrete hollow column 10, a part thereof may be embedded in the column shell 11, and another part may be located outside the column shell 11.
In addition, in an alternative embodiment of the present disclosure, at least a portion of the reinforcing bar assembly 13 buried in the column housing 11 extends from the column housing 11 to the outside of the column housing. Wherein, the outer side may refer to an outer side of the concrete hollow column 10 in the end direction. When extending from the upper end of the concrete hollow column 10, the direction shown in fig. 1 is from the upper end of the concrete hollow column 10 to the upper side of the concrete hollow column 10; when extending from the lower end of the concrete hollow column 10, it means extending from the lower end of the concrete hollow column 10 to below the concrete hollow column 10. For example, the longitudinal reinforcing bars 131 (reinforcement bars) may extend outside the concrete hollow column 10. Ribs can also be arranged at two ends of the concrete hollow column 10 according to the actual design requirement.
According to this disclosure, still provide a connected node structure of coincide hollow column, include: the concrete hollow column comprises a cavity, a column shell forming the cavity and a steel bar assembly, wherein at least part of the steel bar assembly is embedded in the column shell; the connector is used for connecting the two concrete hollow columns which are overlapped up and down, one end of the connector extends into the cavities of the lower concrete hollow columns of the two concrete hollow columns, the other end of the connector extends into the cavities of the upper concrete hollow columns of the two concrete hollow columns, concrete is poured in the cavities of the two concrete hollow columns at least, and the two concrete hollow columns are connected up and down through the connector and the poured concrete.
This embodiment will be described below with reference to the drawings.
Referring to fig. 3, the connection node structure of the superimposed hollow columns may include concrete hollow columns 100, 200. The two concrete hollow columns may adopt the form of the concrete hollow column embodiment, and are not described herein again. As shown in fig. 3, two concrete hollow columns 100, 200 are connected up and down.
As shown in fig. 3, the connection node structure of the folded hollow column further includes a connection body 300. The connecting body 300 is used for connecting two concrete hollow columns which are overlapped up and down, one end of the connecting body 300 extends into a cavity of the lower concrete hollow column 100 of the two concrete hollow columns, and the other end of the connecting body 300 extends into a cavity of the upper concrete hollow column 200 of the two concrete hollow columns.
Concrete is poured into at least the cavities of the two concrete hollow columns 100 and 200, and the two concrete hollow columns 100 and 200 are connected with the poured concrete up and down through the connecting body 300. The concrete can be one or more of common concrete, high-strength concrete, fiber concrete, fine aggregate concrete, self-compacting concrete or foaming concrete.
As shown in fig. 3, two concrete hollow columns 100 and 200 may be formed at a predetermined distance to form a cast-in-place section 400, and concrete is cast in the cast-in-place section and a cavity of the hollow column.
In addition, a predetermined space is formed between the two concrete hollow columns which are overlapped up and down, so that a space for placing the horizontal beam 500 can be provided. Thereafter, the floor slab may be laid on the horizontal beams 500.
According to one mode of the present disclosure, the connector may be a reinforcing bar connector, and the reinforcing bar connector may have a linear shape.
Alternatively, the reinforcing bar coupler may be shaped to enhance the coupling strength of at least two of the prefabricated hollow columns. The connector may include a one-dimensional form of a reinforcing bar linear connector, and the reinforcing bar linear connector may be: a combination of one or more of a polygonal shape (for example, polygonal bending at both ends of a reinforcing bar), a spiral shape (for example, a reinforcing bar having a spiral shape), a hook shape (for example, hooks at both ends of a reinforcing bar), or a corrugated shape (for example, a reinforcing bar having a corrugated shape or other curved shape). The connector may include a reinforcing bar sheet connector in a two-dimensional form, and the reinforcing bar sheet connector may be: one of a U-shape (e.g., rebar bent into a U), a global loop shape (e.g., rebar ring), an end loop shape (e.g., loop portion at end), or a mesh shape (e.g., rebar mesh, etc.), or a combination of shapes. The connector may comprise a three-dimensional form of a reinforcement cage connector, and the reinforcement cage connector may be: the steel bar cage-shaped connector formed by the steel bar sheet-shaped connector and the steel bar linear connector, the steel bar cage-shaped connector formed by the steel bar linear connector, or the steel bar cage-shaped connector formed by the steel bar sheet-shaped connector. In the embodiment of the present disclosure, the connector may also be a combination of any two or three of the above one-dimensional form of the reinforcing steel bar linear connector, two-dimensional form of the reinforcing steel bar sheet connector, and three-dimensional form of the reinforcing steel bar cage connector, for example, the reinforcing steel bar linear connector in the three-dimensional form of the reinforcing steel bar cage connector may be in the form of one-dimensional form of the reinforcing steel bar linear connector, the reinforcing steel bar sheet connector may be in the form of two-dimensional form of the reinforcing steel bar sheet connector, and the like.
For example, for a specific implementation manner of the three-dimensional reinforcement cage-shaped connector, the connector may be a formed reinforcement bundle, the formed reinforcement bundle includes a plurality of longitudinal reinforcements and stirrups fixedly connected to the longitudinal reinforcements, two ends of the longitudinal reinforcements respectively extend into cavities of the lower concrete hollow column and the upper concrete hollow column, the stirrups may be located at positions of the cast-in-place sections, and a plurality of stirrups may be disposed at intervals in a length direction of the longitudinal reinforcements.
Still optionally, the reinforcing steel bar connecting body may be provided with a reinforcing part for reinforcing the connection strength of two adjacent prefabricated hollow columns. The reinforcement may be a raised structure and/or a thickened structure provided at the end of the connector. The protruding structure can be a parallel rib or a transverse rib arranged at the end part of the connector. The thickening structure can be an end plate structure, an upsetting structure, an additional sleeve structure or an additional nut structure arranged at the end part of the connecting body.
According to another aspect of the present disclosure, the connector may include a steel plate connector, and the steel plate connector may be a flat-shaped steel plate.
Alternatively, the steel plate connecting body may be provided with a reinforcing portion that enhances the connecting strength of two adjacent prefabricated hollow columns. The steel plate connector may be a plane-shaped connector, and a hole or a protrusion may be provided on the steel plate connector as a reinforcement. The steel plate connector may be a planar curved shape connector, and the curved shape portion may serve as a reinforcement. The end of the steel plate connection body may be provided with an end plate structure (for example, welding another steel plate to the end or other portion of the steel plate, etc.) or a thickened structure (the diameter of the thickened structure is larger than that of the other portion) as a reinforcing portion. In the embodiment of the present disclosure, the steel plate connector may be a combination of any two or three of the above-described planar shape connector, planar bent shape connector, and connector having an end plate structure or a thickened structure at an end thereof.
Optionally, the connector may be a section steel connector, and the section steel connector includes an i-section steel, a channel steel, an angle steel and/or a steel pipe. The outer side of the section steel connecting body is contacted with the cast-in-place concrete, and a connection reinforcing part, such as a stud, a rough surface and the like can be arranged.
The connector body in each of the above forms may be located in the cavity of two adjacent hollow columns of the at least two hollow columns, for example, one end or part of the connector body may be located in the cavity of one of the two adjacent hollow columns, and the other end or part of the connector body may be located in the cavity of the other of the two adjacent hollow columns.
According to the construction method of the embodiment, firstly, the lower prefabricated hollow column is hoisted in place in a construction site, the horizontal beam is placed, the connector is inserted into the lower prefabricated hollow column (or the horizontal beam is placed after the connector is inserted into the lower prefabricated hollow column), then concrete is poured in a cavity and a cast-in-place section of the lower prefabricated hollow column, after the concrete reaches a certain strength, the upper prefabricated hollow column is hoisted, the connector is inserted into the cavity of the upper prefabricated hollow column, and then the concrete is poured in the cavity of the upper prefabricated hollow column.
As shown in fig. 4, another coupling node structure of the overlapped hollow pillars is provided, which is different from the structure shown in fig. 3 in that a predetermined space for placing a horizontal beam is not reserved between two hollow pillars, so that the two hollow pillars are close to each other.
The form of the two hollow columns and the connecting body included in the structure shown in fig. 4 may be the same as the above-described form, and are not described again.
According to the construction method of the embodiment, firstly, the lower prefabricated hollow column is hoisted in place in a construction site, the connecting body is inserted into the lower prefabricated hollow column, then concrete is poured into a cavity and a cast-in-place section of the lower prefabricated hollow column, after the concrete reaches a certain strength, the upper prefabricated hollow column is hoisted, the connecting body is inserted into a cavity of the upper prefabricated hollow column, and then the concrete is poured into the cavity of the upper prefabricated hollow column.
The present disclosure also provides an embodiment of a concrete hollow column, as shown in fig. 5 (fig. 5 may be a shape of one side of the concrete hollow column viewed in a direction indicated by an arrow B of fig. 3), the concrete hollow column 10 has a recess 110 at one end or both ends of the column shell 11, and the recess 110 provides a space for accommodating a horizontal beam. Although not shown in fig. 5, the concrete hollow columns may be provided with the recess at the corresponding positions of the concrete hollow columns and the horizontal beams.
The following description will be given by taking as an example a case where the end portion of the concrete hollow column has a recess for receiving the horizontal beam. The lower concrete hollow column has a recess in which the horizontal beam is accommodated and there is no space between the lower concrete hollow column and the upper concrete hollow column to accommodate the horizontal beam.
Furthermore, at the adjacent ends of the two concrete hollow columns, the ends of the lower concrete hollow column and/or the upper concrete hollow column may have recesses for receiving horizontal beams.
Wherein the shape of the recess 110 may match the cross-sectional shape of the horizontal beam. And may be varied according to actual design requirements, etc.
Fig. 6 shows an overall schematic representation of a concrete hollow column after assembly with a horizontal beam. In fig. 6, a horizontal beam 500 is disposed between the upper and lower concrete hollow columns 200 and 100, and concrete is cast in place to form an assembled structure. Floors can then be placed on the horizontal beams to form an assembly structure with floor positions.
According to the technical scheme disclosed herein, the novel connection form of the laminated concrete column avoids the on-site adoption of modes such as a semi-grouting sleeve and a straight thread sleeve for steel bar mechanical connection, can realize the quick hoisting of the laminated concrete column to be in place and connected, is convenient and efficient for on-site construction, and has excellent node overall performance. The novel connection form of the upper-layer column and the lower-layer column of the laminated concrete column has the advantages that the longitudinal rib connection process is visual, the quality is easy to control and detect, and the effective transmission of the force of the laminated column is guaranteed. The prefabricated hollow column can effectively reduce the weight of a prefabricated part, is convenient for on-site hoisting, and has high production efficiency if no rib is formed at the end part of the part; the prefabricated member cavity forms an integral superposed member after concrete is cast in situ, and the member performance is superior to that of the traditional solid prefabricated column.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.
Claims (18)
1. The utility model provides a hollow post's of coincide connected node structure which characterized in that includes:
the concrete hollow column comprises a cavity, a column shell forming the cavity and a steel bar assembly, wherein at least part of the steel bar assembly is embedded in the column shell; and
a connector for connecting the two concrete hollow columns which are overlapped up and down, wherein one end of the connector extends into the cavity of the lower concrete hollow column of the two concrete hollow columns, the other end of the connector extends into the cavity of the upper concrete hollow column of the two concrete hollow columns,
concrete is poured in cavities of at least two concrete hollow columns, and the two concrete hollow columns are connected with the poured concrete up and down through the connecting bodies.
2. The structure of claim 1, wherein the two concrete hollow columns stacked one on top of the other are spaced apart by a predetermined space to provide a horizontal beam placement space in which concrete is poured.
3. A structure according to claim 1, characterized in that the ends of the lower concrete column and/or the upper concrete column have recesses for receiving horizontal beams at the adjacent ends of the two concrete columns.
4. A structure according to claim 3, wherein the ends of the lower concrete column have recesses to receive horizontal beams and the horizontal beams are received in the recesses without space between the lower concrete column and the upper concrete column to receive the horizontal beams.
5. The structure according to any one of claims 1 to 4, wherein the cross-sectional shape of the concrete hollow column is polygonal, circular or elliptical.
6. A structure according to any one of claims 1 to 4, wherein the connectors are steel bar connectors, steel plate connectors and/or steel section connectors.
7. The structure of claim 6, wherein the connector is a rebar connector and the rebar connector is shaped to increase the strength of the connection of the two concrete hollow columns.
8. The structure of claim 7,
the connector comprises a one-dimensional reinforcing steel bar linear connector, and the reinforcing steel bar linear connector is as follows: one or a combination of a plurality of linear shapes, broken line shapes, spiral shapes, hook shapes or ripple shapes; and/or
The connector comprises a two-dimensional reinforcing steel bar sheet connector, and the reinforcing steel bar sheet connector is as follows: one of a U shape, a whole ring shape, an end ring shape, or a net shape, or a combination of a plurality of shapes; and/or
The connector comprises a reinforcement cage-shaped connector in a three-dimensional form, and the reinforcement cage-shaped connector is: the reinforcing steel bar sheet-shaped connector and the reinforcing steel bar cage-shaped connector formed by the reinforcing steel bar linear connector, the reinforcing steel bar cage-shaped connector formed by the reinforcing steel bar linear connector or the reinforcing steel bar cage-shaped connector formed by the reinforcing steel bar sheet-shaped connector.
9. The structure of claim 6, wherein the connector comprises a reinforcing bar connector, and a reinforcing part for reinforcing the connection strength of the two concrete hollow columns is provided on the reinforcing bar connector.
10. The structure of claim 9, wherein the reinforcing portion is a projection structure and/or a thickening structure provided at the end of the connector.
11. The structure of claim 10,
the convex structure is a parallel rib or a transverse rib arranged at the end part of the connector; and/or
The thickening structure is an end plate structure, a upsetting structure, an additional sleeve structure or an additional nut structure arranged at the end part of the connecting body.
12. The structure according to claim 6, wherein the connector is a steel plate connector, and the steel plate connector is provided with a reinforcing portion that enhances the connection strength of the two concrete hollow columns.
13. The structure of claim 12,
the steel plate connector is a planar connector, and an opening or a bulge is arranged on the steel plate connector to serve as the reinforcing part; and/or
The steel plate connector is a plane bent connector, and the bent part is used as the reinforcing part; and/or
The end part of the steel plate connecting body is provided with an end plate structure or a thickening structure which is used as the reinforcing part.
14. The structure of claim 6, wherein the connector is a formed rebar bundle comprising a plurality of longitudinal rebars and stirrups fixedly connected to the plurality of longitudinal rebars, wherein both ends of the plurality of longitudinal rebars extend into the cavities of the lower and upper concrete hollow columns, respectively.
15. The structure of claim 6, wherein the connector is a plurality of plate-shaped connecting bars, and both ends of the plurality of plate-shaped connecting bars extend into the cavities of the lower concrete hollow column and the upper concrete hollow column, respectively.
16. The structure of claim 6, wherein the connector is a section steel connector comprising an I-section steel, a channel steel, an angle steel and/or a steel pipe.
17. The structure of any one of claims 1 to 4, wherein the reinforcement assembly of the concrete hollow column comprises longitudinal reinforcements and stirrups, the longitudinal reinforcements are arranged at intervals around and embedded in the column casing, and the stirrups are fixedly connected with the longitudinal reinforcements and arranged at intervals along the height direction of the column casing.
18. The structure of claim 17, wherein the stirrups are spaced apart over the entire height of the concrete column.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107026A (en) * | 2019-06-17 | 2019-08-09 | 三一筑工科技有限公司 | The connecting joint structure and its construction method of overlapped hollow column |
| CN114809448A (en) * | 2022-04-19 | 2022-07-29 | 哈尔滨工业大学 | Template-free assembled UHPC-recycled concrete composite column and construction method |
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2019
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107026A (en) * | 2019-06-17 | 2019-08-09 | 三一筑工科技有限公司 | The connecting joint structure and its construction method of overlapped hollow column |
| CN114809448A (en) * | 2022-04-19 | 2022-07-29 | 哈尔滨工业大学 | Template-free assembled UHPC-recycled concrete composite column and construction method |
| CN114809448B (en) * | 2022-04-19 | 2024-02-06 | 哈尔滨工业大学 | Template-free assembled UHPC-recycled concrete superposed column and construction method |
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