CN210459769U - Prefabricated hollow column and assembled concrete column - Google Patents
Prefabricated hollow column and assembled concrete column Download PDFInfo
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- CN210459769U CN210459769U CN201920975422.9U CN201920975422U CN210459769U CN 210459769 U CN210459769 U CN 210459769U CN 201920975422 U CN201920975422 U CN 201920975422U CN 210459769 U CN210459769 U CN 210459769U
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Abstract
The present disclosure provides a prefabricated hollow column and an assembled concrete column. According to an aspect of the present disclosure, there is provided a prefabricated hollow column including: a hollow cylinder surrounded by an outer wall; a column stirrup disposed in the hollow column body in a horizontal direction; and a column longitudinal rib provided in the outer wall in a vertical direction; wherein, the post is indulged the muscle and is stretched out predetermined distance respectively from the bottom and the top of the outer wall of cavity cylinder in the vertical direction, and the post is indulged the muscle and is contained the connecting portion that are used for the nodal connection from the upper end that the top of outer wall stretches out. The center of the prefabricated hollow column provided by the disclosure is a cavity, the weight is light, and the transportation and the field hoisting are convenient.
Description
Technical Field
The present disclosure relates to the field of prefabricated concrete mixed concrete structures, and more particularly, to a prefabricated hollow column and a fabricated concrete column.
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, the self weight of components causes large model of a tower crane, the site hoisting is difficult, the transportation is inconvenient, the site steel bar connection is difficult, the quality is difficult to control and other factors cause low efficiency of an assembly type building, the construction period is long, the cost is increased, and the quality is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one of the problems existing in the prior art described above, the present disclosure provides a prefabricated hollow column and a fabricated concrete column.
According to an aspect of the present disclosure, there is provided a precast hollow column including: a hollow cylinder surrounded by an outer wall; a column stirrup disposed in the hollow column body in a horizontal direction; and a column longitudinal rib provided in the outer wall in a vertical direction; wherein, the post is indulged the muscle and is stretched out predetermined distance respectively from the bottom and the top of the outer wall of cavity cylinder in the vertical direction, and the post is indulged the muscle and is contained the connecting portion that are used for the nodal connection from the upper end that the top of outer wall stretches out.
Wherein the connecting part is a prefabricated part of the mantle fiber.
The column stirrup consists of a steel mesh, and the column longitudinal bars are uniformly distributed in the outer wall.
Wherein the thickness of the outer wall is between 20mm-200mm, and the cross-sectional shape of the hollow cylinder is one of polygonal, circular or elliptical.
According to another aspect of the present disclosure, there is provided a fabricated concrete column including the fabricated hollow column as described above, the fabricated hollow column longitudinal rib of the lower layer being connected with the fabricated hollow column longitudinal rib of the upper layer through a sleeve, wherein a lower end of the sleeve is connected to the connection portion of the column longitudinal rib of the fabricated hollow column of the lower layer, and a lower end of the column longitudinal rib of the fabricated hollow column of the upper layer is connected to an upper end of the sleeve.
Wherein the lower end of the sleeve is connected to the connecting portion by a screw thread.
The sleeve is a semi-grouting sleeve, wherein grouting material is filled in the semi-grouting sleeve.
Wherein the sleeve is a semi-extruded sleeve.
The top of the outer wall of the prefabricated hollow column on the lower layer and the connecting portion are provided with a beam column node core area, and the superposed beam penetrates through the beam column node core area.
And concrete is poured in the core areas of the prefabricated hollow columns and the beam column joints of the lower layer.
Based on the above technical scheme of this disclosure to following beneficial effect has been realized: the center of the prefabricated hollow column provided by the disclosure is a cavity, the weight is light, and the transportation and the field hoisting are convenient. In addition, can realize through this disclosed assembled connected node that prefabricated hollow post is on-spot hoisted fast and is taken one's place and the elevation adjustment, can realize the on-spot quick connect of the vertical reinforcing bar of the hollow post of coincide simultaneously, the reinforcing bar connection quality is easily controlled, and connection performance is superior, solves the main technical defect that present assembled solid prefabricated frame post exists.
Drawings
The following description includes discussion of figures with illustrations given by way of example of embodiments of the disclosure. The drawings should be regarded as illustrative in nature and not as restrictive. Wherein
FIG. 1 is a schematic vertical cross-section of a prefabricated hollow column according to an embodiment of the present disclosure;
FIG. 2 is a schematic horizontal cross-section of a prefabricated hollow column of an embodiment of the present disclosure;
FIG. 3 is a fabricated concrete column utilizing connectors according to an embodiment of the present disclosure; and
fig. 4 is a fabricated concrete column using connectors according to another embodiment of the present disclosure.
Reference numerals:
1. prefabricating a hollow column on the upper layer; 2. a sleeve; 3. a composite beam; 4. a column stirrup; 5. a column longitudinal bar; 6-prefabricating a hollow column on the lower layer; 7. a cavity; 8. a beam-column node core area; 9. an outer wall; 10. semi-extruding the sleeve.
It will be appreciated that for simplicity and/or clarity of illustration, elements shown in the figures have not necessarily been drawn to scale. For example, the dimensions of some of the elements may be exaggerated relative to other elements for clarity. In addition, in order to make the inventive points of the present invention easier to understand, components known in the art are omitted in the drawings. The dimensions of the views are not intended to represent the exact dimensions and/or dimensional proportions of the various elements depicted herein. Further, if considered appropriate, reference numerals have been repeated among the figures to indicate corresponding and/or analogous elements.
Detailed Description
The present disclosure provides a prefabricated hollow column and a laminated concrete column, which are described in detail below with reference to the accompanying drawings and specific embodiments. Meanwhile, it is described herein that the following embodiments are the best and preferred embodiments for the purpose of making the embodiments more detailed, and may be implemented in other alternative ways by those skilled in the art; also, the drawings are only for purposes of more particularly describing embodiments and are not intended to limit the invention in any way.
Fig. 1 and 2 respectively show a vertical cross-sectional view and a horizontal cross-sectional view of a prefabricated hollow column according to an embodiment of the present disclosure. The prefabricated hollow column in an exemplary embodiment of the present disclosure is described in detail below with reference to fig. 1 and 2. As shown in fig. 1 and 2, the prefabricated hollow column is a hollow column structure, wherein the hollow column structure comprises a cavity 7 surrounded by an outer wall 9. The column stirrup 4 may be horizontally disposed in the hollow column. In a preferred embodiment, the column stirrup 4 can be a steel mesh. In addition, a column longitudinal rib 5 may be provided in the outer wall of the prefabricated hollow column in the vertical direction. In a preferred embodiment, the longitudinal bars 5 are made of steel bars, wherein the steel bars may be evenly distributed in the outer wall, as shown in fig. 2.
In an exemplary embodiment, the hollow preform column manufacturing process may be implemented by the following steps. The reinforcement cage is composed of a column stirrup 4 such as a stirrup net and a column longitudinal bar 5, and then a material such as concrete is poured on the reinforcement cage and formed into a hollow cylinder structure with a cavity 7 at the center surrounded by an outer wall 9 through a proper process. In a preferred embodiment the outer wall 9 is formed of, for example, concrete, having a thickness of between 20mm and 200mm and the cross-sectional shape of the hollow cylinder is one of polygonal, circular or oval. It should be noted that some production processes and intermediates or components thereof known in the art will not be described in detail herein in order not to obscure the technical idea of the present disclosure.
In an exemplary embodiment, the pillar longitudinal ribs 5 protrude from the bottom and the top of the outer wall 9 of the hollow cylindrical body by predetermined distances, respectively, in the vertical direction, and the upper end portions of the pillar longitudinal ribs 5 protruding from the top of the outer wall include the connecting portions. In a preferred embodiment, the connecting portion may adopt a column longitudinal bar threading process.
Fig. 3 illustrates a fabricated concrete column utilizing connectors according to an embodiment of the present disclosure. In an exemplary embodiment, the fabricated concrete columns include, but are not limited to, two precast hollow columns as described above, as shown in FIG. 3. However, it will be understood by those skilled in the art that the fabricated concrete column may include a plurality of prefabricated hollow columns as described above according to the height of the building. In an exemplary embodiment, as shown in fig. 3, the lower precast hollow column 6 is connected with the upper precast hollow column 1 through a sleeve 2, wherein a lower end of the sleeve is connected to a connection portion, such as a screw thread, of the column longitudinal rib of the lower precast hollow column 6, and a lower end portion of the column longitudinal rib of the upper precast hollow column, which protrudes from the bottom of the outer wall, is connected to an upper end of the sleeve. In a preferred embodiment, the sleeve 2 is a half-grouted sleeve.
Further, in an exemplary embodiment, a beam-column node core region may be provided between the top of the outer wall of the lower precast hollow column and the connection portion thereof, wherein the laminated beam passes through the beam-column node core region.
In an exemplary embodiment, the manufacturing process of the fabricated concrete column may be implemented by the following steps. Firstly, after hoisting the lower-layer hollow column 6 in place at a construction site, hoisting the laminated beam 3, and casting concrete in situ in a hollow cavity of the hollow column and a core area 8 of a beam column node. Then, a half grouting sleeve 2 is installed on a connecting part such as a threading structure at the upper end of a column longitudinal rib 5 of the lower-layer prefabricated hollow column in a threading connection mode, then all the half grouting sleeves are leveled, the upper-layer prefabricated hollow column is hoisted, the lower end, extending out of the bottom of the outer wall, of the column longitudinal rib of the upper-layer prefabricated hollow column is installed in place at the upper section of the half grouting sleeve 2, the elevation of the upper-layer column is finely adjusted through the half grouting sleeve at the position of the prefabricated hollow column corner rib, grouting materials are pressed into all the half grouting sleeves from top to bottom after the elevation adjustment of the prefabricated hollow column is finished, and the connection of longitudinal steel bars of the upper-layer laminated column and the lower-layer.
Fig. 4 illustrates a fabricated concrete column using connectors according to another embodiment of the present disclosure. In an illustrative embodiment, the fabricated concrete column using the coupling member has substantially the same structure and manufacturing process as the fabricated laminated concrete column shown in fig. 3, except that, as shown in fig. 4, the lower precast hollow column 6 is connected to the upper precast hollow column 1 by, for example, a semi-compression sleeve 10, wherein a lower end of the semi-compression sleeve 10 is connected to a connection portion, such as a screw thread, of the column longitudinal rib of the lower precast hollow column 6, and a lower end portion of the column longitudinal rib of the upper precast hollow column, which protrudes from the bottom of the outer wall, is connected to an upper end of the semi-compression sleeve.
In an illustrative embodiment, the manufacturing process of the fabricated concrete column shown in fig. 4 may be implemented by the following steps. Firstly, after hoisting the lower-layer hollow column 6 in place at a construction site, hoisting the laminated beam 3, and casting concrete in situ in a hollow cavity of the hollow column and a core area 8 of a beam column node. Then, a semi-extrusion sleeve 10 is installed on a connecting part such as a threading structure at the upper end of the column longitudinal rib 5 of the lower-layer prefabricated hollow column in a threading connection mode, then the upper-layer prefabricated hollow column is hoisted, and the upper-layer prefabricated hollow column is leveled through the semi-extrusion sleeve 10. After the upper-layer hollow column is leveled and fixed stably, the upper section of the semi-extrusion sleeve connecting piece is extruded through equipment, and the connection of the longitudinal steel bars of the upper column and the lower column is realized.
The upper layer and the lower layer of the fabricated concrete column provided by the invention are connected by adopting a semi-grouting sleeve or a semi-extrusion sleeve in a reserved cast-in-place section based on the technical scheme and the specific embodiment, the hoisting, the positioning, the leveling and the connection of the upper layer prefabricated hollow column can be quickly realized, the site construction is convenient and efficient, and the integral performance of the node is excellent. In addition, the rib connection is indulged to upper and lower floor's post on this assembled concrete column is located and reserves cast-in-place section, and it is visual to indulge the muscle connection process, and the quality is easily controlled and is detected, has guaranteed the effective transmission of coincide column force. In addition, the prefabricated hollow column can effectively reduce the weight of a prefabricated part, facilitates on-site hoisting, forms an integral superposed member after concrete is cast in a cavity of the prefabricated part on site, and has the member performance superior to that of a traditional solid prefabricated column.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
In the description of the present disclosure, it is to be understood that the terms "upper", "one end", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present disclosure and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present disclosure.
In the description of the present disclosure, it is to be noted that the terms "provided with" and "connected" are to be interpreted broadly unless explicitly stated or limited otherwise. For example, the connection can be fixed, detachable or integrated; may be directly connected or indirectly connected through an intermediate. The fixed connection can be common technical schemes such as welding, threaded connection and clamping. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.
The foregoing is a preferred embodiment of the present disclosure, and it should be noted that several modifications and refinements can be made by those skilled in the art without departing from the principle described in the present disclosure, and these modifications and refinements should be regarded as the protection scope of the present disclosure.
Claims (10)
1. A prefabricated hollow column, characterized in that it comprises:
a hollow cylinder surrounded by an outer wall;
a column stirrup disposed in the hollow column body in a horizontal direction; and
column longitudinal ribs arranged in the outer wall in the vertical direction;
wherein, the post is indulged the muscle and is stretched out predetermined distance respectively from the bottom and the top of the outer wall of cavity cylinder in the vertical direction, and the post is indulged the muscle and is contained the connecting portion that are used for the nodal connection from the upper end that the top of outer wall stretches out.
2. The hollow column of claim 1, wherein the connecting portion is a threaded preform.
3. The hollow column according to claim 1, wherein the column stirrup is composed of a mesh of steel reinforcement, wherein the column longitudinal reinforcement is evenly distributed in the outer wall.
4. The hollow preform column of claim 1, wherein the outer wall has a thickness of between 20mm-200mm and the cross-sectional shape of the hollow cylinder is one of polygonal, circular or elliptical.
5. Column of fabricated concrete comprising at least two columns of prefabricated hollow according to any of claims 1-4, characterized in that:
the column longitudinal rib of the hollow column on the lower layer is connected with the column longitudinal rib of the hollow column on the upper layer through a sleeve, wherein the lower end of the sleeve is connected to the connecting part of the column longitudinal rib of the hollow column on the lower layer, and the lower end part of the column longitudinal rib of the hollow column on the upper layer, which extends out of the outer wall, is connected to the upper end of the sleeve.
6. Fabricated concrete column according to claim 5, characterised in that the lower end of the sleeve is connected to the connection part by a screw thread.
7. Fabricated concrete column according to claim 5, characterised in that the sleeve is a semi-grouted sleeve, wherein a grouting material is filled in the semi-grouted sleeve.
8. Fabricated concrete column according to claim 5, characterised in that the sleeve is a semi-extruded sleeve.
9. The fabricated concrete column according to claim 6, wherein a beam-column node core area is provided between the top of the outer wall of the lower precast hollow column and the connection portion, wherein a superposed beam passes through the beam-column node core area.
10. The fabricated concrete column according to claim 9, wherein the lower precast hollow column and beam column node core area is poured with concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920975422.9U CN210459769U (en) | 2019-06-26 | 2019-06-26 | Prefabricated hollow column and assembled concrete column |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920975422.9U CN210459769U (en) | 2019-06-26 | 2019-06-26 | Prefabricated hollow column and assembled concrete column |
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| CN210459769U true CN210459769U (en) | 2020-05-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111549976A (en) * | 2020-05-19 | 2020-08-18 | 常虹 | Novel precast concrete frame column and mounting method |
| CN113006272A (en) * | 2021-02-01 | 2021-06-22 | 中建科技集团有限公司 | Assembly type prestressed concrete frame system and construction method |
-
2019
- 2019-06-26 CN CN201920975422.9U patent/CN210459769U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111549976A (en) * | 2020-05-19 | 2020-08-18 | 常虹 | Novel precast concrete frame column and mounting method |
| CN113006272A (en) * | 2021-02-01 | 2021-06-22 | 中建科技集团有限公司 | Assembly type prestressed concrete frame system and construction method |
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Address after: 102206 1st floor, building 6, 8 Beiqing Road, Huilongguan town, Changping District, Beijing Patentee after: Sany Construction Technology Co.,Ltd. Address before: Room 301, building 6, No. 8, Beiqing Road, Huilongguan town, Changping District, Beijing Patentee before: SANY CONSTRUCTION TECHNOLOGY Co.,Ltd. |