CN113323269A - Concrete combination post - Google Patents
Concrete combination post Download PDFInfo
- Publication number
- CN113323269A CN113323269A CN202110565973.XA CN202110565973A CN113323269A CN 113323269 A CN113323269 A CN 113323269A CN 202110565973 A CN202110565973 A CN 202110565973A CN 113323269 A CN113323269 A CN 113323269A
- Authority
- CN
- China
- Prior art keywords
- concrete composite
- concrete
- column
- composite column
- inner tube
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004567 concrete Substances 0.000 title claims abstract description 44
- 239000002131 composite material Substances 0.000 claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 238000010008 shearing Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 7
- 239000011374 ultra-high-performance concrete Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
本发明公开一种混凝土组合柱，属于建筑工程技术领域。该混凝土组合柱，由内到外依次包括加强柱，内管单元和外管；所述内管单元包括多个内管和多个连接板，相邻的所述内管通过所述连接板连接并围成所述内管单元。该钢管混凝土组合柱具有较好的抗压强度和整体的稳定性。
The invention discloses a concrete composite column, which belongs to the technical field of construction engineering. The concrete composite column includes a reinforcing column, an inner tube unit and an outer tube in sequence from the inside to the outside; the inner tube unit includes a plurality of inner tubes and a plurality of connecting plates, and the adjacent inner tubes are connected by the connecting plates and encloses the inner tube unit. The CFST composite column has good compressive strength and overall stability.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a concrete combined column.
Background
In recent years, the building industry of China is rapidly developed, the height of a building is developed to a higher position, and higher requirements are provided for the aspects of the bearing strength, the earthquake-resistant performance, the economic effect and the like of a building center pillar. Because the reinforced concrete column has large member section size, heavy structure self weight and complex construction process, the reinforced concrete column can not better meet the requirements of the industry.
Compared with reinforced concrete, when bearing axial pressure, the concrete in the pipe is restrained by the steel pipe, so that the bearing capacity is higher; under the action of earthquake, the steel pipe concrete can not have the phenomenon that a protective layer falls off under the protection of the steel pipe, and the earthquake resistance is good; in the aspect of construction process, no special template is needed, the construction technology is simple, the period is short, and the cost is low. However, when the building height is too high, the height of the steel pipe concrete column in the building is increased, and the stability problem of the column is also highlighted along with the increase of the height of the steel pipe concrete column.
Disclosure of Invention
The invention aims to overcome the technical defects and provide a concrete combined column, which solves the technical problem that the stability of the concrete column in the prior art is not enough.
In order to achieve the technical purpose, the technical scheme of the invention provides a concrete combined column.
A concrete combined column sequentially comprises a reinforcing column, an inner pipe unit and an outer pipe from inside to outside; the inner pipe unit comprises a plurality of inner pipes and a plurality of connecting plates, and the adjacent inner pipes are connected through the connecting plates and enclose the inner pipe unit.
Further, the inner pipe is closely attached to the inner wall of the outer pipe.
Further, the cross section of the reinforcing column is in a cross shape.
Further, the reinforcing column is cross-shaped section steel.
Further, the connecting plate is a corrugated plate.
Further, the inner pipe unit further comprises flange plates, and the flange plates are arranged at the top end and the bottom end of the connecting plate.
Further, the inner tube unit further comprises pegs connected with the flange plates, the pegs for resisting shear forces.
Further, the cross section of the outer tube is square.
Further, the cross section of the inner pipe is square.
Further, the reinforcing column is provided at the center of the outer tube.
Compared with the prior art, the invention has the beneficial effects that: an inner pipe unit formed by enclosing an inner pipe and a connecting plate forms a main framework of the concrete combined column; the reinforced column is arranged in the outer pipe to further improve the compressive strength and the bearing capacity of the combined column, when the combined column is used, UHPC is poured in the inner pipes, the inner pipes can better restrain core concrete under the action of axial compression, the integral rigidity of the structure is enhanced, and the outer pipe is further poured with concrete to form the concrete combined column with better compressive strength and integral stability.
Drawings
Fig. 1 is a perspective view of a concrete composite post according to example 1 of the present invention.
Fig. 2 is a partial schematic view of an inner pipe unit of embodiment 1 of the present invention.
Fig. 3 is a plan view of a concrete composite post according to example 1 of the present invention.
Description of reference numerals: 1. a reinforcement column; 2. an inner tube unit; 21. an inner tube; 22. a connecting plate; 23. a flange plate; 24. a stud; 3. an outer tube.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
With reference to fig. 1-3, the present embodiment provides a concrete composite column, which sequentially comprises a reinforcement column 1, an inner tube unit 2 and an outer tube 3 from inside to outside; the inner tube unit 2 includes a plurality of inner tubes 21 and a plurality of connecting plates 22, adjacent inner tubes 21 are connected by the connecting plates 22 and enclose the inner tube unit 2, and further, the number of the inner tubes 21 in this embodiment is four, and four inner tubes 21 are connected by four connecting plates 22 to form the inner tube unit.
Further, the inner tube 21 is welded to the connection plate 22.
On the basis of the above embodiment, the inner tube 21 of the present embodiment is closely attached to the inner wall of the outer tube 3; then, the concrete poured into the outer pipe 3 is more compact without gaps; further, the contact surface between the inner tube 21 and the outer tube 3 is smooth, which ensures that the inner tube 21 is tightly embedded in the outer tube 3.
Further, four inner tubes 21 are respectively attached to four corners of the outer tube 3.
On the basis of the above embodiments, the reinforcing column 1 of the present embodiment has a cross-shaped cross section. Further enhancing the bearing capacity of the concrete composite column.
On the basis of the above embodiments, the reinforcing column 1 of the present embodiment is a cross-shaped steel.
On the basis of the above embodiments, the connection plate 22 of the present embodiment is a corrugated plate. The stability and the damage resistance of the structure are improved.
On the basis of the above embodiment, the inner tube unit 2 of the present embodiment further includes flange plates 23, and the flange plates 23 are disposed at the top end and the bottom end of the connecting plate 22. The flange plate 23 further improves the stable connection of the connecting plate 22 to the inner tube 21, thereby improving the structural stability. Further, the flange plate 23 is welded to the connection plate.
On the basis of the above embodiment, the inner pipe unit 2 of the present embodiment further comprises the studs 24, the studs 24 are connected with the flange plates 23, and the studs 24 are used for resisting shearing force, specifically, shearing force generated by the combined columns in the horizontal and longitudinal directions. Further, the stud 24 is welded to the flange plate 23.
On the basis of the above embodiment, the cross section of the outer tube 3 of the present embodiment is square.
On the basis of the above embodiment, the cross section of the inner tube 21 of the present embodiment is square.
On the basis of the above embodiment, the reinforcing column 1 of the present embodiment is provided at the center of the outer tube 3. To enhance the load bearing capacity of the structure.
In addition to the above embodiments, the outer pipe 3 and the inner pipe 21 in the present embodiment are steel pipes.
In the concrete composite column of the embodiment, the compressive strength and durability of the structure can be improved by pouring the UHPC in the inner pipe 21, pouring the common concrete in the outer pipe 3, and adding the novel UHPC material.
According to the concrete composite column provided by the invention, the corrugated plate is connected with each inner pipe to form a main framework of the composite column; and placing the cross-shaped section steel in the outer pipe, then pouring UHPC into the inner pipe, and finally pouring concrete into the outer pipe to form the steel pipe concrete combined column. The inner pipes in the column are connected through the corrugated plates, so that the stability and the damage resistance of the structure are improved; meanwhile, flange plates are welded at the upper end and the lower end of the corrugated plate, and shear-resistant studs are welded at the upper parts of the flange plates and can be used for resisting the shear force generated by the combined column in the horizontal direction and the longitudinal direction; the cross-shaped profile steel is added into the combined column, so that the bearing capacity of the structure is greatly enhanced; the concrete material poured in the inner pipe is UHPC, and the compressive strength and the durability of the structure are further improved. The combined column has high compressive strength and good overall stability.
Compared with the prior art, the invention also has the following beneficial effects:
1. the whole construction process does not need processes of binding reinforcing steel bars, erecting templates and the like, the construction period is shortened, and the construction cost is saved.
2. The combined column is composed of a plurality of steel tube concrete columns, core concrete can be better restrained under the action of axial compression, and the overall rigidity of the structure is enhanced.
3. The combined column is added with the section steel, so that the bearing capacity of the structure is enhanced, and the building can be developed towards a higher layer.
4. The corrugated plate is added into the concrete combined column, and the small square steel pipes (namely the inner pipes) inside the concrete combined column are connected through the corrugated plate, so that the stability and the damage resistance of the structure are improved; meanwhile, the upper end and the lower end of the corrugated plate are welded with the flange plates, and the upper parts of the flange plates are welded with the shear-resistant studs, so that the shear force generated by the combined column in the horizontal direction and the longitudinal direction can be resisted.
5. When the concrete is poured, the concrete poured to the inner small square steel tube is UHPC (ultra high performance concrete) which is a novel material, and the compressive strength and the durability of the structure are improved.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110565973.XA CN113323269A (en) | 2021-05-24 | 2021-05-24 | Concrete combination post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110565973.XA CN113323269A (en) | 2021-05-24 | 2021-05-24 | Concrete combination post |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113323269A true CN113323269A (en) | 2021-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110565973.XA Pending CN113323269A (en) | 2021-05-24 | 2021-05-24 | Concrete combination post |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113323269A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117627279A (en) * | 2024-01-08 | 2024-03-01 | 西安建筑科技大学 | Vertical load-bearing components and their load-bearing capacity calculation methods, load-bearing platforms |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101178381B1 (en) * | 2012-04-06 | 2012-08-29 | 신세계건설(주) | Steel-concrete hybrid column using square shaped steel pipe and manufacturing method thereof |
| CN103015632A (en) * | 2012-12-09 | 2013-04-03 | 中国矿业大学 | Corrugated steel plate confined concrete combination column and manufacturing method thereof |
| CN205444693U (en) * | 2016-01-26 | 2016-08-10 | 西安理工大学 | Thin wall steel tube - reinforcing bar recycled concrete combination column |
| CN110067340A (en) * | 2019-05-31 | 2019-07-30 | 曹云中 | FRP constraint CFST beam coupled column |
| CN210827937U (en) * | 2019-08-10 | 2020-06-23 | 湖北正浩建设集团有限公司 | Steel pipe column combination wall |
-
2021
- 2021-05-24 CN CN202110565973.XA patent/CN113323269A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101178381B1 (en) * | 2012-04-06 | 2012-08-29 | 신세계건설(주) | Steel-concrete hybrid column using square shaped steel pipe and manufacturing method thereof |
| CN103015632A (en) * | 2012-12-09 | 2013-04-03 | 中国矿业大学 | Corrugated steel plate confined concrete combination column and manufacturing method thereof |
| CN205444693U (en) * | 2016-01-26 | 2016-08-10 | 西安理工大学 | Thin wall steel tube - reinforcing bar recycled concrete combination column |
| CN110067340A (en) * | 2019-05-31 | 2019-07-30 | 曹云中 | FRP constraint CFST beam coupled column |
| CN210827937U (en) * | 2019-08-10 | 2020-06-23 | 湖北正浩建设集团有限公司 | Steel pipe column combination wall |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117627279A (en) * | 2024-01-08 | 2024-03-01 | 西安建筑科技大学 | Vertical load-bearing components and their load-bearing capacity calculation methods, load-bearing platforms |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210831 |
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| RJ01 | Rejection of invention patent application after publication |