CN205063181U - Steel tube concrete laminated column - Google Patents
Steel tube concrete laminated column Download PDFInfo
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- CN205063181U CN205063181U CN201520752872.3U CN201520752872U CN205063181U CN 205063181 U CN205063181 U CN 205063181U CN 201520752872 U CN201520752872 U CN 201520752872U CN 205063181 U CN205063181 U CN 205063181U
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Abstract
The utility model discloses a steel tube concrete laminated column, steel tube concrete laminated column includes along 1 the 1st concrete solid, a circular steel pipe and 1 the 2nd concrete solid that radially arrange, a concrete solid is a solid columnar body, a concrete solid pack in the inside of circular steel pipe, the 2nd concrete solid set firmly in the periphery of circular steel pipe, still be equipped with a reinforcing structure on the 2nd concrete solid, the reinforcing structure is used for improving steel tube concrete laminated column's bearing capacity. Steel tube concrete laminated column can improve the 2nd concrete solid's axial pressurized bearing capacity and ductility, remedy this weak position of the 2nd concrete solid to strengthen a concrete solid and the 2nd concrete solid's in coordination atress performance, finally reach the purpose of reinforcing steel tube concrete laminated column's whole resistance to compression bearing capacity, make it widely apply in the high -rise building structure.
Description
Technical field
The utility model relates to structural engineering field, particularly a kind of steel tube concrete superposed column.
Background technology
Steel tube concrete superposed column is formed by cross section middle part steel pipe concrete and the outer reinforced concrete sandwich of steel pipe, is a kind of structural system that China independently opens up.Compare with combined steel and concrete column with reinforced concrete post, superposed column has more excellent compressive property and anti-seismic performance, and compared with steel core concrete column, superposed column then has more superior fire resistance.In recent years, domestic more deep mechanical property research and experimental study have been carried out to steel tube concrete superposed column.Result of the test in the past shows, the destruction of superposed column pull-down component often starts from the crushing of peripheral concrete, and its peripheral steel concrete is that the phenomenon of superposed column weak part is obvious.Not yet have deep research to solve this defect of superposed column at present, this hinders the application of steel tube concrete superposed column at building engineering field to a certain extent.
Utility model content
The technical problems to be solved in the utility model is the defect causing inside and outside concrete cooperative bearing poor performance in order to overcome steel tube concrete superposed column of the prior art because the structural strength of peripheral concrete is weak, and provides a kind of steel tube concrete superposed column.The steel tube concrete superposed column that the utility model provides can improve axial press capacity and the ductility of the second concrete solid, make up this weak part of the second concrete solid, thus strengthen the cooperative bearing performance of the first concrete solid and the second concrete solid, finally reach the object of the entire compression bearing capacity strengthening steel tube concrete superposed column, make it be widely used in high building structure.
The utility model solves above-mentioned technical problem by following technical proposals:
The utility model provides a kind of steel tube concrete superposed column, described steel tube concrete superposed column comprises one first concrete solid, a round steel pipe and one second concrete solid of radially arranging, described first concrete solid is a solid cylinder, described first concrete solid is filled in the inside of described round steel pipe, described second concrete solid is fixedly arranged on the periphery of described round steel pipe, its feature is, described second concrete solid is also provided with an enhancing structure, described enhancing structure is for improving the bearing capacity of described steel tube concrete superposed column.
The first better embodiment that the utility model provides is as follows:
When the outer cross sectional shape of described second concrete solid is rectangle, described enhancing structure is four stirrups, and described stirrup is arranged in four rectangular angular of described second concrete solid respectively.
Preferably, the cross sectional shape of described stirrup is isosceles trapezoid, and the bar diameter in described stirrup is not less than 6mm, and the spacing of described stirrup is not more than 200mm.
Preferably, described enhancing structure also comprises some first Reinforcements, and described first Reinforcement is evenly arranged in four rectangular angular of described second concrete solid.
Preferably, the radical of described first Reinforcement is no less than 8, and the bar diameter in described first Reinforcement is not less than 12mm.
The first better embodiment can improve the compressive property in the bight of the second concrete solid.
The second better embodiment that the utility model provides is as follows:
When the outer cross sectional shape of described second concrete solid is circular, described enhancing structure comprises one first round screw thread hoop and some second Reinforcements, described first round screw thread hoop is set around the damaged surface of described second concrete solid, and described second Reinforcement is uniformly distributed on the circumferential inner wall of described first round screw thread hoop.
Preferably, described enhancing structure also comprises one second round screw thread hoop and some longitudinal structure reinforcing bars, described second round screw thread hoop is located between described round steel pipe and described first round screw thread hoop, and described longitudinal structure reinforcing bar is uniformly distributed on the circumferential inner wall of described second round screw thread hoop.
Preferably, the bar diameter in described first round screw thread hoop is not less than 6mm, and the bar diameter in described second round screw thread hoop is not less than 6mm, and the spacing of described first round screw thread hoop and described second round screw thread hoop is all not more than 200mm.
Preferably, the radical of described second Reinforcement is no less than 6, and the bar diameter in described second Reinforcement is not less than 12mm, and the radical of described longitudinal structure reinforcing bar is no less than 6, and the bar diameter in described longitudinal structure reinforcing bar is not less than 12mm.
The second better embodiment can strengthen the constraint to the second concrete solid.
Preferably, on described round steel pipe, also along the circumferential direction annular is evenly equipped with several pegs, and the end of described peg is arranged in described second concrete solid.
Positive progressive effect of the present utility model is: the steel tube concrete superposed column that the utility model provides can improve axial press capacity and the ductility of the second concrete solid, make up this weak part of the second concrete solid, thus strengthen the cooperative bearing performance of the first concrete solid and the second concrete solid, finally reach the object of the entire compression bearing capacity strengthening steel tube concrete superposed column, make it be widely used in high building structure.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of the steel tube concrete superposed column of the utility model embodiment 1.
Fig. 2 is the cross section structure schematic diagram of the steel tube concrete superposed column of the utility model embodiment 2.
Fig. 3 is the first round screw thread hoop of the utility model embodiment 2 and the structural representation of the second Reinforcement.
Detailed description of the invention
Lift two preferred embodiments below, and come by reference to the accompanying drawings clearlyer intactly the utility model to be described.
Embodiment 1
The steel tube concrete superposed column that the present embodiment provides as shown in Figure 1, it comprises one first concrete solid 2, round steel pipe 1 and one second concrete solid 3 of radially arranging, described first concrete solid 2 is a solid cylinder, described first concrete solid 2 is filled in the inside of described round steel pipe 1, described second concrete solid 3 is fixedly arranged on the periphery of described round steel pipe 1, described second concrete solid 3 is also provided with an enhancing structure, and described enhancing structure is for improving the bearing capacity of described steel tube concrete superposed column.On described round steel pipe 1, also along the circumferential direction annular is evenly equipped with several pegs 6, and the end of described peg 6 is arranged in described second concrete solid 3.
In the present embodiment, the outer cross sectional shape of described second concrete solid 3 is rectangle, and described enhancing structure is four stirrups 4, and described stirrup 4 is arranged in four rectangular angular of described second concrete solid 3 respectively.The cross sectional shape of described stirrup 4 is isosceles trapezoid, and the bar diameter in described stirrup 4 is not less than 6mm, and the spacing of described stirrup 4 is not more than 200mm.
Described enhancing structure also comprises some first Reinforcements 5, and described first Reinforcement 5 is evenly arranged in four rectangular angular of described second concrete solid 3.The radical of described first Reinforcement 5 is no less than 8, and the bar diameter in described first Reinforcement 5 is not less than 12mm.
The steel tube concrete superposed column that the present embodiment provides can improve the compressive property in the bight of the second concrete solid 3.
Embodiment 2
The steel tube concrete superposed column that the present embodiment provides as shown in Figures 2 and 3, it comprises one first concrete solid 2, round steel pipe 1 and one second concrete solid 3 of radially arranging, described first concrete solid 2 is a solid cylinder, described first concrete solid 2 is filled in the inside of described round steel pipe 1, described second concrete solid 3 is fixedly arranged on the periphery of described round steel pipe 1, described second concrete solid 3 is also provided with an enhancing structure, and described enhancing structure is for improving the bearing capacity of described steel tube concrete superposed column.On described round steel pipe 1, also along the circumferential direction annular is evenly equipped with several pegs 6, and the end of described peg 6 is arranged in described second concrete solid 3.
In the present embodiment, the outer cross sectional shape of described second concrete solid 3 is circular, described enhancing structure comprises one first round screw thread hoop 7 and some second Reinforcements 8, described first round screw thread hoop 7 is set around the damaged surface of described second concrete solid 3, and described second Reinforcement 8 is uniformly distributed on the circumferential inner wall of described first round screw thread hoop 7.Bar diameter in described first round screw thread hoop 7 is not less than 6mm.The radical of described second Reinforcement 8 is no less than 6, and the bar diameter in described second Reinforcement 8 is not less than 12mm.
Described enhancing structure also comprises one second round screw thread hoop 9 and some longitudinal structure reinforcing bars 10, described second round screw thread hoop 9 is located between described round steel pipe 1 and described first round screw thread hoop 7, and described longitudinal structure reinforcing bar 10 is uniformly distributed on the circumferential inner wall of described second round screw thread hoop 9.Bar diameter in described second round screw thread hoop 9 is not less than 6mm, and the spacing of described first round screw thread hoop 7 and described second round screw thread hoop 9 is all not more than 200mm.The radical of described longitudinal structure reinforcing bar 10 is no less than 6, and the bar diameter in described longitudinal structure reinforcing bar 10 is not less than 12mm.
The steel tube concrete superposed column that the present embodiment provides can strengthen the constraint to the second concrete solid 3.
Although the foregoing describe two kinds of detailed description of the invention of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection domain of the present utility model.
Claims (10)
1. a steel tube concrete superposed column, described steel tube concrete superposed column comprises one first concrete solid of radially arranging, one round steel pipe and one second concrete solid, described first concrete solid is a solid cylinder, described first concrete solid is filled in the inside of described round steel pipe, described second concrete solid is fixedly arranged on the periphery of described round steel pipe, it is characterized in that, described second concrete solid is also provided with an enhancing structure, when the outer cross sectional shape of described second concrete solid is rectangle, described enhancing structure is four stirrups, described stirrup is arranged in four rectangular angular of described second concrete solid respectively.
2. steel tube concrete superposed column as claimed in claim 1, it is characterized in that, the cross sectional shape of described stirrup is isosceles trapezoid, and the bar diameter in described stirrup is not less than 6mm, and the spacing of described stirrup is not more than 200mm.
3. steel tube concrete superposed column as claimed in claim 1 or 2, it is characterized in that, described enhancing structure also comprises some first Reinforcements, and described first Reinforcement is evenly arranged in four rectangular angular of described second concrete solid.
4. steel tube concrete superposed column as claimed in claim 3, it is characterized in that, the radical of described first Reinforcement is no less than 8, and the bar diameter in described first Reinforcement is not less than 12mm.
5. steel tube concrete superposed column as claimed in claim 1, it is characterized in that, on described round steel pipe, also along the circumferential direction annular is evenly equipped with several pegs, and the end of described peg is arranged in described second concrete solid.
6. a steel tube concrete superposed column, described steel tube concrete superposed column comprises one first concrete solid of radially arranging, one round steel pipe and one second concrete solid, described first concrete solid is a solid cylinder, described first concrete solid is filled in the inside of described round steel pipe, described second concrete solid is fixedly arranged on the periphery of described round steel pipe, it is characterized in that, described second concrete solid is also provided with an enhancing structure, when the outer cross sectional shape of described second concrete solid is circular, described enhancing structure comprises one first round screw thread hoop and some second Reinforcements, described first round screw thread hoop is set around the damaged surface of described second concrete solid, described second Reinforcement is uniformly distributed on the circumferential inner wall of described first round screw thread hoop.
7. steel tube concrete superposed column as claimed in claim 6, it is characterized in that, described enhancing structure also comprises one second round screw thread hoop and some longitudinal structure reinforcing bars, described second round screw thread hoop is located between described round steel pipe and described first round screw thread hoop, and described longitudinal structure reinforcing bar is uniformly distributed on the circumferential inner wall of described second round screw thread hoop.
8. steel tube concrete superposed column as claimed in claim 7, it is characterized in that, bar diameter in described first round screw thread hoop is not less than 6mm, bar diameter in described second round screw thread hoop is not less than 6mm, and the spacing of described first round screw thread hoop and described second round screw thread hoop is all not more than 200mm.
9. steel tube concrete superposed column as claimed in claim 8, it is characterized in that, the radical of described second Reinforcement is no less than 6, bar diameter in described second Reinforcement is not less than 12mm, the radical of described longitudinal structure reinforcing bar is no less than 6, and the bar diameter in described longitudinal structure reinforcing bar is not less than 12mm.
10. steel tube concrete superposed column as claimed in claim 6, it is characterized in that, on described round steel pipe, also along the circumferential direction annular is evenly equipped with several pegs, and the end of described peg is arranged in described second concrete solid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520752872.3U CN205063181U (en) | 2015-09-25 | 2015-09-25 | Steel tube concrete laminated column |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520752872.3U CN205063181U (en) | 2015-09-25 | 2015-09-25 | Steel tube concrete laminated column |
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| CN205063181U true CN205063181U (en) | 2016-03-02 |
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| CN201520752872.3U Expired - Fee Related CN205063181U (en) | 2015-09-25 | 2015-09-25 | Steel tube concrete laminated column |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888137A (en) * | 2016-05-31 | 2016-08-24 | 天津市建筑设计院 | Giant steel reinforced concrete column with built-in lattice steel ribs |
| CN107268807A (en) * | 2017-06-30 | 2017-10-20 | 东北大学 | A kind of Prefabricated concrete-filled steel tube superposed column |
| CN107869214A (en) * | 2017-11-20 | 2018-04-03 | 上海三益建筑设计有限公司 | Shaped steel steel core concrete column |
| CN112343256A (en) * | 2020-10-15 | 2021-02-09 | 中建三局第一建设工程有限责任公司 | Construction method for prefabricating concrete-filled steel tube superposed frame column under reverse construction condition |
-
2015
- 2015-09-25 CN CN201520752872.3U patent/CN205063181U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888137A (en) * | 2016-05-31 | 2016-08-24 | 天津市建筑设计院 | Giant steel reinforced concrete column with built-in lattice steel ribs |
| CN105888137B (en) * | 2016-05-31 | 2018-03-13 | 天津市建筑设计院 | A kind of huge combined steel and concrete column of built-in lattice reinforcing bar |
| CN107268807A (en) * | 2017-06-30 | 2017-10-20 | 东北大学 | A kind of Prefabricated concrete-filled steel tube superposed column |
| CN107268807B (en) * | 2017-06-30 | 2019-07-12 | 东北大学 | A kind of Prefabricated concrete-filled steel tube superposed column |
| CN107869214A (en) * | 2017-11-20 | 2018-04-03 | 上海三益建筑设计有限公司 | Shaped steel steel core concrete column |
| CN112343256A (en) * | 2020-10-15 | 2021-02-09 | 中建三局第一建设工程有限责任公司 | Construction method for prefabricating concrete-filled steel tube superposed frame column under reverse construction condition |
| CN112343256B (en) * | 2020-10-15 | 2021-12-10 | 中建三局第一建设工程有限责任公司 | Construction method for prefabricating concrete-filled steel tube superposed frame column under reverse construction condition |
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Granted publication date: 20160302 Termination date: 20190925 |
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| CF01 | Termination of patent right due to non-payment of annual fee |