CN110644620A - Method and structure for connecting upper column and lower column - Google Patents
Method and structure for connecting upper column and lower column Download PDFInfo
- Publication number
- CN110644620A CN110644620A CN201910916697.XA CN201910916697A CN110644620A CN 110644620 A CN110644620 A CN 110644620A CN 201910916697 A CN201910916697 A CN 201910916697A CN 110644620 A CN110644620 A CN 110644620A
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- column
- connecting plate
- lower column
- corner steel
- upper column
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention provides a method and a structure for connecting an upper column and a lower column, wherein the upper column and the lower column in the connecting structure are both composed of a plurality of corner steel tubes and side plates, a lower column connecting plate (11) is arranged between the adjacent corner steel tubes at the lower end part of the upper column, an isolating part at the top of the corner steel tube is arranged at the upper end part of the lower column, an upper column connecting plate (24) matched with the lower column connecting plate (11) is arranged between the adjacent corner steel tubes of the lower column, the corner steel tubes of the upper column are connected to the isolating part at the top of the corner steel tube corresponding to the lower column, and the lower column connecting plate of the upper column is connected to the upper column connecting plate corresponding to the lower column. The connecting plates of the upper and lower columns are not required to be cut off, so that the connection is convenient. The four-corner steel pipe of upper and lower post can be fully welded in the position of capital baffle through the inspection hole, and the quality is controllable. The inspection hole is plugged after the first filling material is poured, so that the problem that the filling material in the steel column is inconvenient to inspect is solved.
Description
Technical Field
The invention relates to the technical field of building and civil engineering, in particular to a connecting method and a structure of an upper column and a lower column.
Background
One of the important measures for promoting the industrialized development of buildings and transformation and upgrade of the building industry in China is to promote the research and application of key technologies in aspects of building structure systems, building design, component parts and the like. The prefabricated building refers to a building assembled on a construction site by using prefabricated components. The building has the advantages of high building speed, less restriction by climatic conditions, labor saving and building quality improvement.
In the assembling process of an assembly type structure system, a column and a column need to be connected, at present, a traditional concrete column needs constructors to firstly bind reinforcing steel bars, then a formed column is poured, and then the column and the column are connected, so that the problems of large on-site support modulus, more on-site manual operation, low construction efficiency and low industrialization degree can be caused.
Patent application publication No. CN108316558A (application date 2018.04.17) discloses a brief post with cross stiffening ribs, it includes cross stiffening ribs, ripple curb plate and bight steel pipe, four or four above bight steel pipes are evenly arranged, be equipped with the ripple curb plate between two adjacent bight steel pipes, in order to enclose into a hollow columnar structure, at least one cross stiffening rib evenly locates the hollow portion of columnar structure along the vertical direction of columnar structure, and the extreme point of cross stiffening rib is connected with bight steel pipe, in order to solve traditional structure post and have the loaded down with trivial details of construction, extravagant manpower and materials, the poor problem of economic nature. The invention with publication number CN108086592A (application date 2018.01.05) proposes a stand column, comprising: a single column framework and concrete; the independent column framework comprises a plurality of steel pipes, a reinforcing unit and a column body broken line type side plate; the steel pipe is vertically arranged; the beam passes through the steel pipes; the column body broken line type side plates and the reinforcing units are respectively welded between the adjacent steel pipes; and pouring concrete into the space surrounded by the steel pipes. The reinforcing unit comprises a foundation range reinforcing device, a column root reinforcing device, a beam joint reinforcing device and a beam height range reinforcing device. The invention combines the steel tube, the steel batten strip and the broken line type side plate, and pours concrete into the steel tube, thereby forming a brand new independent column. Simple structure, less steel consumption and low economic cost. Meanwhile, the invention can be prefabricated in factory and assembled on site, thus shortening the construction period; the mechanical property is good. The column body disclosed by the invention needs to complete the connection of the upper column and the lower column, the field operation can be greatly simplified due to the structural characteristics of the column body, the construction efficiency is effectively improved, and how to realize the connection of the lower column and the upper column is an effective means for further realizing the reduction of the formwork scale, the improvement of the construction efficiency and the industrialization degree.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a method and a structure for connecting an upper column and a lower column, which change the traditional column-column connection mode, thereby avoiding the problems of large on-site support modulus, more on-site manual work, low construction efficiency and low industrialization degree.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the upper column and the lower column in the connecting method are composed of a plurality of corner steel pipes and side plates, and the connecting method comprises the following steps:
arranging an upper column connecting plate between the steel pipes at the adjacent corners at the top of the lower column;
a lower column connecting plate is arranged between the adjacent corner steel pipes at the bottom of the upper column;
the upper column connecting plate of the upper column is in butt joint with the lower column connecting plate corresponding to the lower column and then is fixed by the connecting piece, and the corner steel pipe of the upper column is connected with the corner steel pipe corresponding to the lower column through the partition piece.
Furthermore, the corner steel pipe of the upper column is communicated with the corner steel pipe corresponding to the lower column.
Furthermore, the partition plate arranged at the top of the corner steel pipe corresponding to the corner steel pipe of the upper column and the corner steel pipe corresponding to the lower column is subjected to full welding through the inspection hole arranged on the upper column.
The upper prop and the lower prop are connected by a plurality of corner steel pipes and side plates, a lower prop connecting plate (11) is arranged between adjacent corner steel pipes at the lower end of the upper prop, an isolating part at the top of the corner steel pipes is arranged at the upper end of the lower prop, an upper prop connecting plate (24) matched with the lower prop connecting plate (11) is arranged between the adjacent corner steel pipes of the lower prop, the corner steel pipes of the upper prop are connected at the isolating part at the top of the corner steel pipes corresponding to the lower prop, and the lower prop connecting plate of the upper prop is connected with the upper prop connecting plate corresponding to the lower prop.
Furthermore, the lower column connecting plate is connected with the upper column connecting plate through a connecting piece (3).
Furthermore, the partition part is a partition plate with a section projection area larger than that of the corner steel pipe, and the lower column connecting plate is provided with an opening matched with the partition plate.
Furthermore, an inspection hole (13) with a certain distance is reserved between an upper column side plate (15) of the upper column and the lower column connecting plate (11).
Furthermore, the bottom of the upper column connecting plate (24) is provided with a horizontal plate positioned between the steel pipes at the adjacent corners of the lower column, and the lower part of the upper column connecting plate is supported by the horizontal plate.
The upper column and the lower column are both shell columns, and the shell columns comprise: the steel tube side plate comprises four corner steel tubes and side plates, wherein the side plates are arranged between every two adjacent corner steel tubes, each side plate encloses a columnar area, or each side plate and the corner steel tube enclose the columnar area together, a first filling material is poured into the columnar area, and a second filling material is poured into the corner steel tubes in advance or the filling material is not poured into the corner steel tubes.
Compared with the prior art, the invention has the advantages that:
1. the connecting plates of the upper and lower columns are not required to be cut off, so that the connection is convenient.
2. The four-corner steel pipe of upper and lower post can be fully welded in the position of capital baffle through the inspection hole, and the quality is controllable.
3. The inspection hole is plugged after the first filling material is poured, so that the problem that the filling material in the steel column is inconvenient to inspect is solved.
Drawings
Fig. 1 is an overall structural view of an upper column and lower column connecting system according to a first embodiment of the present invention.
Fig. 2 is a view showing the structure of an upper column according to a first embodiment of the present invention.
Fig. 3 is a view showing the structure of a lower column in the first embodiment of the present invention.
Fig. 4 is an enlarged view of a lower connecting plate of the bottom of the upper column in the first embodiment of the present invention.
Reference numerals: 1-upper column, 2-lower column, 3-connecting piece, 11-lower column connecting plate, 13-inspection hole, 14-upper column corner steel pipe, 15-upper column side plate, 111-first connecting hole, 112-opening, 21-lower column corner steel pipe, 22-lower column side plate, 23-isolating part, 24-upper column connecting plate, 231-hole and 241-second connecting hole.
Detailed Description
The technical solution adopted by the present invention will be further explained with reference to the schematic drawings.
The first embodiment of the present invention provides a connection structure of an upper column and a lower column, and referring to fig. 1, the upper column and the lower column in the connection structure of the upper column and the lower column are both composed of a plurality of corner steel pipes and side plates, specifically, the upper column 1 and the lower column 2 are both shell columns, the shell columns include four corner steel pipes and side plates, the side plates are disposed between adjacent corner steel pipes, each side plate encloses a columnar area, or each side plate and the corner steel pipe together enclose a columnar area, a first filler is poured in the columnar area, and a second filler is poured in the corner steel pipe in advance or no filler is poured in the corner steel pipe. In this embodiment, the corner steel pipe on which the upper column is located is defined as an upper column corner steel pipe 14, the corner steel pipe on which the lower column is located is defined as a lower column corner steel pipe 21, the side plate on which the upper column is located is defined as an upper column side plate 15, and the side plate on which the lower column is located is defined as a lower column side plate 22.
As can be seen from fig. 1, the upper column corner steel pipe 14 of the upper column is connected to the partition 23 at the top of the lower column corresponding to the lower column corner steel pipe 21, and the lower column connecting plate 11 of the upper column is connected to the upper column connecting plate 24 corresponding to the lower column. The lower column connecting plate 11 is located outside the upper column connecting plate 24 and is connected by a connecting member 3, which includes but is not limited to a bolt, after the lower column connecting plate and the upper column connecting plate are mounted in overlapping and fitting relation.
Referring to fig. 2, a lower column connecting plate 11 is arranged between the adjacent upper column corner steel tubes 14 at the lower end of the upper column, the lower column connecting plate is a metal rectangular plate, two ends of the lower column connecting plate are welded on opposite side surfaces of the adjacent upper column corner steel tubes, and two corner positions of the lower part of the lower column connecting plate are provided with chamfer structures. The lower column connecting plate 11 has a lower extension portion extending out of the upper column, the lower extension portion facilitates assembly with a lower column corresponding structure (i.e., the upper column connecting plate 24), and the lower extension portion of the lower connecting plate 11 is provided with the first connecting hole 111, corresponding thereto, the second connecting hole 241 is provided at the upper connecting plate 24, and the bolts are installed at the first connecting hole 111 and the second connecting hole 241, which are aligned with each other after the lower connecting plate and the corresponding upper connecting plate are butt-mounted.
Referring to fig. 3, the upper end of the lower column is provided with an isolation portion 23 located at the top of the steel pipe at the corner of the lower column, the isolation portion is provided with a circular reserved hole 231, and an upper column connecting plate 24 matched with the lower column connecting plate 11 is arranged between the steel pipes at the corner of the lower column. The partition 24 is a partition with a cross-sectional projected area larger than the projected area of the corner steel pipes, and is a substantially square metal plate, and since the partition has an outer protrusion protruding beyond the upper edge of the corner steel pipe of the lower column around the partition, the lower column connecting plate is provided with an opening 112 (fig. 4 shows this structure) matching with the partition for facilitating the installation and positioning of the lower column connecting plate. The upper column connecting plate is a rectangular plate welded between the lower column corner steel pipes and is close to the surface of the lower column. The lower column connecting plate of the upper column is arranged on the inner side of the upper column and needs to be arranged closer to the surface of the upper column. In addition, the bottom of the upper column connecting plate 24 is provided with a horizontal plate positioned between the steel pipes at the adjacent corners of the lower column, and the lower part of the upper column connecting plate is supported by the horizontal plate, so that the mounting stability and firmness of the upper column connecting plate 24 are further enhanced.
As can be seen from fig. 1 and 2, a distance of the inspection opening 13 is left between the upper column side plate 15 of the upper column and the lower column connecting plate 11.
The second embodiment of the invention provides a method for connecting an upper column and a lower column, wherein the upper column and the lower column in the method are composed of a plurality of corner steel pipes and side plates, the upper column and the lower column are both shell columns, each shell column comprises four corner steel pipes and side plates, the side plates are arranged between the adjacent corner steel pipes, each side plate encloses a columnar area, or each side plate and the corner steel pipe enclose a columnar area together, a first filling material is poured in the columnar area, and a second filling material is poured in the corner steel pipe in advance or is not poured in the corner steel pipe. The method of connecting the upper and lower columns is described in detail below.
The method for connecting the upper column and the lower column provided in the embodiment includes the following steps:
step S1: and upper column connecting plates are arranged between the adjacent corner steel pipes at the top of the lower column, and the upper column connecting plates are distributed between every two adjacent corner steel pipes.
Step S2: and arranging a lower column connecting plate between the adjacent corner steel pipes at the bottom of the upper column, and assembling the lower column connecting plate and the upper column connecting plate after the lower column connecting plate and the upper column connecting plate are overlapped with each other.
Step S3: the upper column connecting plate of the upper column is in butt joint with the lower column connecting plate corresponding to the lower column and then is fixed by a connecting piece, the connecting piece can adopt a bolt, and the corner steel pipe of the upper column is connected with the corner steel pipe corresponding to the lower column through a partition plate piece.
Step S4: and the corner steel pipe of the upper column and the top of the corner steel pipe corresponding to the lower column are provided with a partition plate piece (column top partition plate) which is subjected to full welding through an inspection hole arranged on the upper column.
Step S5: and temporarily blocking the inspection hole of the upper column by using a template.
Step S6: and after the upper column is poured with the filler, the inspection hole of the upper column is plugged by a steel plate.
The angle steel pipe of the upper column is communicated with the angle steel pipe corresponding to the lower column, so that an opening can be arranged on the partition plate, and the inner channel of the angle steel pipe corresponding to the upper column and the lower column is in a through state conveniently.
The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The method for connecting the upper column and the lower column is characterized in that the upper column and the lower column in the method are composed of a plurality of corner steel pipes and side plates, and the method comprises the following steps:
arranging an upper column connecting plate between the steel pipes at the adjacent corners at the top of the lower column;
a lower column connecting plate is arranged between the adjacent corner steel pipes at the bottom of the upper column;
the upper column connecting plate of the upper column is in butt joint with the lower column connecting plate corresponding to the lower column and then is fixed by the connecting piece, and the corner steel pipe of the upper column is connected with the corner steel pipe corresponding to the lower column through the partition piece.
2. The method of claim 1, wherein the corner steel pipes of the upper column are communicated with the corresponding corner steel pipes of the lower column.
3. The method according to claim 1, wherein the partition plate members provided at the tops of the corner steel pipes of the upper column and the lower column are fully welded through inspection holes provided in the upper column.
4. The connecting structure of the upper column and the lower column comprises a plurality of corner steel tubes and side plates, and is characterized in that a lower column connecting plate (11) is arranged between adjacent corner steel tubes at the lower end of the upper column, an isolating part at the top of the corner steel tubes is arranged at the upper end of the lower column, an upper column connecting plate (24) matched with the lower column connecting plate (11) is arranged between the adjacent corner steel tubes of the lower column, the corner steel tubes of the upper column are connected at the isolating part at the top of the corner steel tubes corresponding to the lower column, and the lower column connecting plate of the upper column is connected with the upper column connecting plate corresponding to the lower column.
5. The upper and lower column connecting structure according to claim 4, wherein the lower column connecting plate and the upper column connecting plate are connected by a connecting member (3).
6. The upper column and lower column connecting structure according to claim 4, wherein the partition is a partition having a cross-sectional projected area larger than that of the corner steel pipe, and the lower column connecting plate is provided with an opening that fits the partition.
7. The upper and lower column connecting structure according to claim 4, wherein a clearance inspection hole (13) is left between the upper column side plate (15) of the upper column and the lower column connecting plate (11).
8. The upper and lower column connecting structure according to claim 4, wherein the upper column connecting plate (24) is provided at the bottom with a horizontal plate between adjacent corner steel pipes of the lower column, and the lower portion of the upper column connecting plate is supported by the horizontal plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910916697.XA CN110644620A (en) | 2019-09-26 | 2019-09-26 | Method and structure for connecting upper column and lower column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910916697.XA CN110644620A (en) | 2019-09-26 | 2019-09-26 | Method and structure for connecting upper column and lower column |
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| CN110644620A true CN110644620A (en) | 2020-01-03 |
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| CN201910916697.XA Pending CN110644620A (en) | 2019-09-26 | 2019-09-26 | Method and structure for connecting upper column and lower column |
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