CN114809451A - Combined steel pipe concrete column - Google Patents
Combined steel pipe concrete column Download PDFInfo
- Publication number
- CN114809451A CN114809451A CN202210587435.5A CN202210587435A CN114809451A CN 114809451 A CN114809451 A CN 114809451A CN 202210587435 A CN202210587435 A CN 202210587435A CN 114809451 A CN114809451 A CN 114809451A
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- concrete
- steel column
- column
- baffles
- concrete layer
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 118
- 239000010959 steel Substances 0.000 title claims abstract description 118
- 239000004567 concrete Substances 0.000 title claims abstract description 114
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 239000002131 composite material Substances 0.000 claims 7
- 238000005728 strengthening Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
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- 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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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
- E04C5/03—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance with indentations, projections, ribs, or the like, for augmenting the adherence to the concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/168—Spacers connecting parts for reinforcements and spacing the reinforcements from the form
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The application discloses combination steel core concrete column relates to the building engineering field, and it is including the outer steel column that is the cavity setting, be provided with the interior steel column that is the cavity setting in the outer steel column, first concrete layer has been pour between outer steel column and the interior steel column, the second concrete layer has been pour in the interior steel column. This application helps improving the structural strength of combination steel core concrete column.
Description
Technical Field
The application relates to the field of constructional engineering, in particular to a combined concrete-filled steel tubular column.
Background
In the construction process of a building, a steel pipe concrete column is often used as a support, so that the structural strength of the building is improved.
The existing steel tube concrete column comprises a hollow steel column, concrete is filled in the steel column, the steel column mainly provides tensile and torsional properties, and the concrete mainly bears vertical pressure.
However, the inventor believes that the existing concrete filled steel tubular column has a simple structure, and after long-term use, the concrete inside the column cracks and deforms, that is, the structural strength needs to be improved.
Disclosure of Invention
In order to improve the structural strength of steel core concrete column, this application provides a combination steel core concrete column.
The application provides a combination steel core concrete column adopts following technical scheme:
the combined steel pipe concrete column comprises an outer steel column which is arranged in a hollow mode, an inner steel column which is arranged in a hollow mode is arranged in the outer steel column, a first concrete layer is poured between the outer steel column and the inner steel column, and a second concrete layer is poured in the inner steel column.
Through adopting above-mentioned technical scheme, utilize outer steel column and the double-deck steel column of interior steel column as the support, help improving its tensile and torsional property, in addition, pour first concrete layer between outer steel column and the interior steel column, pour the second concrete layer in the interior steel column, compare the concrete in an original steel column, the cross-sectional area on two concrete layers diminishes, and is compacter, helps preventing that the concrete from taking place to warp and the fracture, and then helps improving the structural strength who makes up the steel core concrete column.
Preferably, the edge of the port of the inner steel column is hinged with a plurality of baffles, all the baffles are arranged in an L shape, each baffle comprises a resisting part and a covering part, the resisting parts and the covering parts are arranged in a right angle, when the resisting parts of all the baffles are in butt joint with the inner wall of the inner steel column, the covering parts of all the baffles are arranged horizontally, and the covering parts of all the baffles cover the port of the inner steel column; when the resisting parts of all the baffles rotate to be vertical, the resisting parts of all the baffles are encircled into a cylindrical shape.
Through adopting above-mentioned technical scheme, when concreting, rotatable baffle, make the department of abutment of baffle be vertical setting, separate inside and outside the internal steel column, when concreting simultaneously, help preventing that two different concrete varieties from taking place to mix and blend, influence concrete layer's structural strength, after having pour, rotate the baffle once more, make the department of abutment of baffle and the inner wall butt of interior steel pipe, the port of steel column covers in the portion of covering simultaneously, when being connected with other steel columns, the connection area has been increased, help improving joint strength.
Preferably, the covering part of the baffle is arranged in a triangle-like shape.
Through adopting above-mentioned technical scheme, the covering portion of baffle is triangle-like form, and when all covering portions cover the port of inner steel post, the covering portion combination of all baffles formed the circumference form, realizes the cover to inner steel post port.
Preferably, a plurality of reinforcing ribs are arranged between the outer steel column and the inner steel column at intervals, and the length directions of all the reinforcing ribs are parallel to the length direction of the outer steel column.
Through adopting above-mentioned technical scheme, set up a plurality of strengthening ribs between outer steel column and interior steel column, help improving the structural strength of combination steel core concrete column.
Preferably, the number of the reinforcing ribs is consistent with that of the baffles, positioning holes are formed in the covering parts of the baffles, the positioning holes correspond to the reinforcing ribs one to one, and the reinforcing ribs are matched with the positioning holes in an inserting mode.
Through adopting above-mentioned technical scheme, after outer steel column and interior steel column are fixed in reality, the rotating baffle, make the department of keeping out of baffle be vertical setting, the cover portion of baffle this moment is the level setting, and be located between outer steel column and the interior steel column, the cooperation of strengthening rib and locating hole will be utilized this moment, wherein, the diameter of locating hole is greater than the diameter of strengthening rib, do not influence the rotation of baffle, help fixing a position to the position of strengthening rib, make the distributed position of strengthening rib more even, and then help making the atress of combination steel core concrete column more even.
Preferably, the first concrete layer and the second concrete layer are both provided as C30 concrete or C15 concrete.
Through adopting above-mentioned technical scheme, first concrete layer and second concrete layer all set up to C30 concrete or C15 concrete, can set up to one of them type concrete according to actual demand, help improving overall structure's intensity.
Preferably, the first concrete layer is provided as C30 concrete, and the second concrete layer is provided as C15 concrete.
By adopting the technical scheme, when the actual stress requirements of the combined steel pipe concrete column are different, the first concrete layer and the second concrete layer can be set to different concretes, and the material cost is reduced.
Preferably, the first concrete layer is provided as C15 concrete, and the second concrete layer is provided as C30 concrete.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the outer steel pipe and the inner steel pipe are utilized, and the first concrete layer and the second concrete layer are poured in the outer steel pipe and the inner steel pipe, so that the structural lightness of the whole body is improved;
2. with the help of the baffle, on the one hand, when the resisting part of the rotating baffle is vertically arranged, the first concrete layer and the second concrete layer are simultaneously poured, the resisting part of the baffle plays a role in separation and is beneficial to preventing the first concrete layer and the second concrete layer from being mixed and melted to influence the structural strength, on the other hand, after the concrete pouring is finished, the resisting part of the rotating baffle is abutted against the inner wall of the inner steel column, and the covering part of the baffle covers the port of the inner steel column, so that when other steel columns are connected, the connecting area is increased, and the connecting strength is improved;
3. through the locating hole on the cover portion of baffle, can fix a position the strengthening rib, help making the strengthening rib distribute more evenly, and then help making this combination steel core concrete column atress more even.
Drawings
Fig. 1 is a schematic overall structure diagram of a first embodiment of the present application;
fig. 2 is a schematic overall structure diagram of a second embodiment of the present application;
fig. 3 is a schematic overall structure diagram of a third embodiment of the present application;
FIG. 4 is a schematic overall structure diagram of a fourth embodiment of the present application;
fig. 5 is a schematic partial structural view of a fifth embodiment of the present application, which mainly shows a schematic view of a closed state of a baffle plate;
fig. 6 is a partial structural schematic diagram of a fifth embodiment of the present application, which mainly shows a schematic diagram of an open state of a shutter.
Reference numerals: 1. an outer steel column; 2. inner steel columns; 3. a first concrete layer; 4. a second concrete layer; 5. a baffle plate; 6. a resisting part; 7. a covering section; 71. positioning holes; 8. and (5) reinforcing ribs.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses a combination steel core concrete column.
In the case of the example 1, the following examples are given,
referring to fig. 1, the combined steel tube concrete column comprises an outer steel column 1 which is arranged in a hollow mode, an inner steel column 2 is arranged in the outer steel column 1, the length direction of the inner steel column 2 is consistent with that of the outer steel column 1, a first concrete layer 3 is poured between the outer steel column 1 and the inner steel column 2, a second concrete layer 4 is poured in the inner steel column 2, and the first concrete layer 3 and the second concrete layer 4 are both set to be C30 concrete.
In practice, the outer steel column 1 and the inner steel column 2 are utilized to form a combined steel column, and the first concrete layer 3 and the second concrete layer 4 are poured in the combined steel column, so that the overall structural strength is improved; in addition, pour first concrete layer 3 between outer steel column 1 and interior steel column 2, pour second concrete layer 4 in interior steel column 2, compare the concrete in an original steel column, the cross-sectional area on two concrete layers diminishes, and is compacter, helps preventing that the concrete from taking place to warp and the fracture, and then helps improving the structural strength of combination steel core concrete column.
In the case of the example 2, the following examples are given,
referring to fig. 2, the present embodiment is different from embodiment 1 in that the first concrete layer 3 and the second concrete layer 4 are both provided as C15 concrete.
In the case of the example 3, the following examples are given,
referring to fig. 3, the present embodiment is different from embodiment 1 in that the first concrete layer 3 is provided as C30 concrete and the second concrete layer 4 is provided as C15 concrete.
In the case of the example 4, the following examples are given,
referring to fig. 4, the present embodiment is different from embodiment 1 in that the first concrete layer 3 is provided as C15 concrete and the second concrete layer 4 is provided as C30 concrete.
In the case of the example 5, the following examples were conducted,
referring to fig. 5 and 6, the difference between the embodiment and embodiment 1 is that a plurality of baffles 5 are hinged to one port edge of the inner steel column 2, all the baffles 5 are arranged in an L shape, each baffle 5 includes a resisting portion 6 and a covering portion 7, the resisting portion 6 and the covering portion 7 are arranged at right angles to each other, the covering portions 7 of the baffles 5 are arranged in a triangle-like shape, when the resisting portion 6 of the rotating baffle 5 abuts against the inner wall of the inner steel column 2, the covering portions 7 of the baffles 5 are arranged horizontally, and a circumference is formed between the covering portions 7 of all the baffles 5 to cover the port of the inner steel column 2; when the resisting parts 6 of the baffles 5 rotate to be vertical, the resisting parts 6 of all the baffles 5 are surrounded into a cylindrical shape.
In practice, the abutting part of the rotating baffle 5 is vertically upward, the covering part 7 of the baffle 5 is horizontally arranged at the moment, the covering part 7 of the baffle 5 is positioned between the outer steel column 1 and the inner steel column 2, all the reinforcing ribs 8 are inserted into the positioning holes 71 at the moment, the positioning of the reinforcing ribs 8 is realized, the distribution of the reinforcing ribs 8 is more uniform, and the stress of the combined steel pipe concrete column is more uniform; the blocking parts 6 of all the baffles 5 are surrounded into a cylindrical shape, so that when concrete is poured, two sides of the outer steel column 1 are separated, and the first concrete layer 3 and the second concrete layer 4 are prevented from being mixed to influence the structural strength of the concrete; after concrete placement is completed, the baffle 5 is rotated by 180 degrees, the abutting part of the baffle 5 abuts against the inner wall of the inner steel column 2, the covering parts 7 of all the baffles 5 form a circular shape to cover the port of the inner steel column 2, and when the baffle is connected with other steel columns, the connecting area is increased, so that the connecting strength is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a combination steel core concrete column which characterized in that: the steel column structure is characterized by comprising an outer steel column (1) which is arranged in a hollow mode, an inner steel column (2) which is arranged in a hollow mode is arranged in the outer steel column (1), a first concrete layer (3) is poured between the outer steel column (1) and the inner steel column (2), and a second concrete layer (4) is poured in the inner steel column (2).
2. The composite concrete filled steel tubular column according to claim 1, wherein: the edge of the port of the inner steel column (2) is hinged with a plurality of baffles (5), all the baffles (5) are arranged in an L shape, each baffle (5) comprises a resisting part (6) and a covering part (7), the resisting parts (6) and the covering parts (7) are arranged in a right angle, when the resisting parts (6) of all the baffles (5) are abutted against the inner wall of the inner steel column (2), the covering parts (7) of all the baffles (5) are arranged horizontally, and the covering parts (7) of all the baffles (5) cover the port of the inner steel column (2); when the resisting parts (6) of the baffles (5) rotate to be vertical, the resisting parts (6) of the baffles (5) are surrounded into a cylindrical shape.
3. The composite concrete filled steel tubular column according to claim 1, wherein: the covering part (7) of the baffle (5) is arranged in a triangle-like shape.
4. The composite concrete filled steel tubular column according to claim 1, wherein: a plurality of reinforcing ribs (8) are arranged between the outer steel column (1) and the inner steel column (2) at intervals, and the length direction of all the reinforcing ribs (8) is parallel to the length direction of the outer steel column (1).
5. The composite concrete filled steel tubular column according to claim 1, wherein: the number of the reinforcing ribs (8) is consistent with that of the baffles (5), positioning holes (71) are formed in covering parts (7) of the baffles (5), the positioning holes (71) correspond to the reinforcing ribs (8) one to one, and the reinforcing ribs (8) are in splicing fit with the positioning holes (71).
6. The composite concrete filled steel tubular column according to claim 1, wherein: the first concrete layer (3) and the second concrete layer (4) are both made of C30 concrete or C15 concrete.
7. The composite concrete filled steel tubular column according to claim 1, wherein: the first concrete layer (3) is arranged to be C30 concrete, and the second concrete layer (4) is arranged to be C15 concrete.
8. The composite concrete filled steel tubular column according to claim 1, wherein: the first concrete layer (3) is arranged to be C15 concrete, and the second concrete layer (4) is arranged to be C30 concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210587435.5A CN114809451B (en) | 2022-05-27 | 2022-05-27 | Combined steel pipe concrete column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210587435.5A CN114809451B (en) | 2022-05-27 | 2022-05-27 | Combined steel pipe concrete column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114809451A true CN114809451A (en) | 2022-07-29 |
| CN114809451B CN114809451B (en) | 2023-11-17 |
Family
ID=82519085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210587435.5A Active CN114809451B (en) | 2022-05-27 | 2022-05-27 | Combined steel pipe concrete column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114809451B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202831402U (en) * | 2012-08-13 | 2013-03-27 | 刘成建 | Concrete filled steel tubular column with inner-connected circular pipe and outer-sleeved concrete filled steel tube |
| CN208310000U (en) * | 2018-05-03 | 2019-01-01 | 广西大学 | A kind of assembled is dual tiltedly to put square steel tube compound constant concrete column |
| CN209760849U (en) * | 2019-03-30 | 2019-12-10 | 中国二十二冶集团有限公司 | Temporary sealing device for round pipe steel column after installation |
| WO2020072015A1 (en) * | 2018-10-04 | 2020-04-09 | Sentez İnşaat Yazilim Sanayi̇ Ve Ti̇caret Li̇mi̇ted Şi̇rketi̇ | Prestressed reinforced concrete pipe pile and a production method thereof |
-
2022
- 2022-05-27 CN CN202210587435.5A patent/CN114809451B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202831402U (en) * | 2012-08-13 | 2013-03-27 | 刘成建 | Concrete filled steel tubular column with inner-connected circular pipe and outer-sleeved concrete filled steel tube |
| CN208310000U (en) * | 2018-05-03 | 2019-01-01 | 广西大学 | A kind of assembled is dual tiltedly to put square steel tube compound constant concrete column |
| WO2020072015A1 (en) * | 2018-10-04 | 2020-04-09 | Sentez İnşaat Yazilim Sanayi̇ Ve Ti̇caret Li̇mi̇ted Şi̇rketi̇ | Prestressed reinforced concrete pipe pile and a production method thereof |
| CN209760849U (en) * | 2019-03-30 | 2019-12-10 | 中国二十二冶集团有限公司 | Temporary sealing device for round pipe steel column after installation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114809451B (en) | 2023-11-17 |
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