CN109797869A - A kind of construction method of rectangular steel-tube concrete column splicing node - Google Patents
A kind of construction method of rectangular steel-tube concrete column splicing node Download PDFInfo
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- CN109797869A CN109797869A CN201910105397.3A CN201910105397A CN109797869A CN 109797869 A CN109797869 A CN 109797869A CN 201910105397 A CN201910105397 A CN 201910105397A CN 109797869 A CN109797869 A CN 109797869A
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- rectangular steel
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- tube concrete
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- steel pipe
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Abstract
The invention discloses a kind of construction methods of rectangular steel-tube concrete column splicing node, using following steps: one) lower part of liner connecting cylinder being inserted into inside the rectangular steel pipe upper end of lower section rectangular steel-tube concrete column, and the two is linked together using full self-lock high-strength one-way bolt I；Two) fill concrete in the rectangular steel pipe of lower section rectangular steel-tube concrete column；Three) rectangular steel pipe of upper section rectangular steel-tube concrete column is in place, the lower end of the rectangular steel pipe of upper section rectangular steel-tube concrete column is sleeved on the top of liner connecting cylinder, and the two is linked together by full self-lock high-strength one-way bolt II.The present invention realizes the splicing of rectangular steel-tube concrete column by liner connecting cylinder and self-lock high-strength one-way bolt, and connection stiffness is big, and easy to operate, speed of application is fast；Node area no-welding-seam can avoid welding procedure the disadvantages of time-consuming, complicated for operation, quality is difficult to guarantee, there are fire safety evaluating hidden danger.
Description
Technical field
The present invention relates to column-column connected node in civil construction, especially a kind of rectangular steel-tube concrete column splicing section
The construction method of point.
Background technique
Concrete filled steel tube refers to the fill concrete in steel pipe and a kind of structure for being formed, and the presence of steel pipe can have
Effect constraint core concrete, thus significantly improve the compression strength of concrete and deformability all, while concrete
Local buckling occurs in the presence of steel pipe also can be effectively prevented, the two co-operation can give full play to steel examining tensile behavior height and coagulation
The good advantage of native Compressive Performance, to greatly improve bearing capacity.Concrete filled steel tube because have bearing capacity it is high, it is light-weight,
It moulding and is answered many advantages, such as good toughness, anti-seismic performance be good, endurance, shock resistance are good and environmental protection easy for construction extensively
With.
The steel structure frame system formed based on rectangular steel-tube concrete column and girder steel, as a kind of emerging structure shape
Formula, because it is high with bearing capacity, horizontal layout is flexible, structure is simple, component is easy to standardize, speed of application fastly and low cost etc.
Plurality of advantages, it has also become one of preferred structure type of skyscraper receives the great attention in domestic and international project field.
Currently, the rectangular steel pipe that " rectangular steel tube with concrete infilled technical regulation " (CECS159:2004) in China recommends is mixed
Solidifying earth pillar connecting method only welds.This connecting method has the following deficiencies:
(1) high altitude operation is needed, difficulty is big, can lead to the problem of electric spark etc. and be unfavorable for steel building site operation；
(2) time-consuming is welded to connect to be unfavorable for improving steel building site operation efficiency more.
(3) rectangular steel pipe is closed cross-section, and traditional high-strength bolt cannot be directly used to rectangular steel-tube concrete column.
Summary of the invention
The present invention is to solve technical problem present in well-known technique and provide a kind of rectangular steel-tube concrete column splicing section
The construction method of point, the full bolt welding in scene, joint structure is simple, and intensity is close to rigid joint.
The technical scheme adopted by the present invention to solve the technical problems existing in the known art is that a kind of rectangular steel pipe is mixed
The construction method of solidifying earth pillar splicing node, using following steps: one) lower part of liner connecting cylinder being inserted into lower section rectangular steel pipe
Inside the rectangular steel pipe upper end of concrete column, and the two is linked together using full self-lock high-strength one-way bolt I；Two) under
Fill concrete in the rectangular steel pipe of section rectangular steel-tube concrete column；Three) by the rectangular steel pipe of upper section rectangular steel-tube concrete column
In place, the lower end of the rectangular steel pipe of upper section rectangular steel-tube concrete column is sleeved on the top of liner connecting cylinder, and the two passes through complete
Self-lock high-strength one-way bolt II links together.
The upper section rectangular steel-tube concrete column is identical with the lower section rectangular steel-tube concrete column sectional dimension, described interior
Lining connecting cylinder is cross-section pipe, and upper and lower part sectional dimension is identical.
Section ruler of the sectional dimension of the upper section rectangular steel-tube concrete column than the lower section rectangular steel-tube concrete column
Very little small, the liner connecting cylinder is varying cross-section duct, and top sectional dimension is smaller, and lower section size is larger, and upper and lower part is logical
Cross middle part section gradual transition section connection.
The advantages and positive effects of the present invention are:
1) splicing of rectangular steel-tube concrete column, connection stiffness are realized by liner connecting cylinder and self-lock high-strength one-way bolt
Greatly, easy to operate, speed of application is fast.Node area no-welding-seam, time-consuming, complicated for operation, quality is difficult to guarantee for avoidable welding procedure,
The disadvantages of there are fire safety evaluating hidden danger.
2) site welding can be exempted, improve construction efficiency and construction quality, realize assembly construction quickly and efficiently；Together
When can effectively avoid the adverse effect of weld defect, prevent welding bring stress from concentrating, good anti-seismic performance be provided.
3) it can be realized being bolted entirely for rectangular steel-tube concrete column, installation is in place fast, can be obviously shortened the duration, promotes
Assembling process.
In conclusion the present invention is easy to construct, bolt welding, joint structure are simple entirely at scene.Solves welded connecting
It is unfavorable for site operation, on-the-spot welding extends the construction time, rectangular steel-tube concrete column splicing can not achieve and be bolted entirely
Problem.
Detailed description of the invention
Fig. 1 is upper and lower section rectangular steel-tube concrete column sectional dimension same application elevational schematic view of the invention；
Fig. 2 is the 2-2 diagrammatic cross-section of Fig. 1；
Fig. 3 is the 1-1 diagrammatic cross-section of Fig. 1；
Fig. 4 is the schematic diagram of cross-section liner connecting cylinder used by Fig. 1；
Fig. 5 is upper and lower section rectangular steel-tube concrete column sectional dimension different application elevational schematic view of the invention；
Fig. 6 is the 2-2 diagrammatic cross-section of Fig. 5；
Fig. 7 is the 1-1 diagrammatic cross-section of Fig. 5；
Fig. 8 is 1 ' -1 ' diagrammatic cross-section of Fig. 5；
Fig. 9 is the schematic diagram of variable cross-section liner connecting cylinder used by Fig. 5.
In figure: 1, upper section rectangular steel-tube concrete column, 2, liner connecting cylinder, 3, lower section rectangular steel-tube concrete column, 4-1,
Self-lock high-strength one-way bolt I, 4-2, self-lock high-strength one-way bolt II, 5, bolt hole, 6, bolt hole.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing
Detailed description are as follows:
FIG. 1 to FIG. 9 is please referred to, a kind of rectangular steel-tube concrete column splices the construction method of node, using following steps:
One) lower part of liner connecting cylinder 2 is inserted into inside the rectangular steel pipe upper end of lower section rectangular steel-tube concrete column 3,
And the two is linked together using complete I 4-1 of self-lock high-strength one-way bolt.
Two) fill concrete in the rectangular steel pipe of lower section rectangular steel-tube concrete column 1.Concrete can be filled to liner
The lower part of connecting cylinder 2 or more on the lower, to avoid the connection for interfering II 4-2 of self-lock high-strength one-way bolt, if concrete has been filled out
It is charged to the top of liner connecting cylinder 2, the concrete that will be located at 2 top of liner connecting cylinder is needed to remove, to avoid self-locking height is interfered
The connection of II 4-2 of strong one-way bolt.
Three) rectangular steel pipe of upper section rectangular steel-tube concrete column 1 is in place, the rectangle of upper section rectangular steel-tube concrete column 1
The lower end of steel pipe is sleeved on the top of liner connecting cylinder 2, and the two is connected to one by complete II 4-2 of self-lock high-strength one-way bolt
It rises.
Being connected component is rectangular steel-tube concrete column, unidirectional with self-lock high-strength using liner connecting cylinder as splicing component
Bolt is as fastener.It is equipped with inside connected upper section rectangular steel-tube concrete column 1 and lower section rectangular steel-tube concrete column 3 interior
Connecting cylinder 2 is served as a contrast, in the axial direction, liner connecting cylinder 2 passes through upper section rectangular steel-tube concrete column 1 and lower section rectangular steel-tube concrete column
3 junction, radially, positioned at the rectangular steel pipe and lower section rectangular steel pipe coagulation of external upper section rectangular steel-tube concrete column
The rectangular steel pipe of the earth pillar liner connecting cylinder internal with it is fastenedly connected by self-lock high-strength one-way bolt.
Liner connecting cylinder 2 is as splicing component connection upper section rectangular steel-tube concrete column 1 and lower section concrete-filled rectangular steel tube
Column 3.Liner connecting cylinder 2 is realized and upper section rectangular steel-tube concrete column 1 and lower section rectangular steel pipe by self-lock high-strength one-way bolt
Fastening between concrete column 3, and be located inside upper section rectangular steel-tube concrete column 1 and lower section rectangular steel-tube concrete column 3.
Bolt hole 5 is opened up on 3 rectangular steel pipe of upper section rectangular steel-tube concrete column 1 and lower section rectangular steel-tube concrete column, it is interior
Bolt hole 6 is opened up on lining connecting cylinder 2, using self-lock high-strength one-way bolt successively by upper section rectangular steel-tube concrete column 1 and lower section
The rectangular steel pipe and liner connecting cylinder 2 of rectangular steel-tube concrete column 3 are fastened as a whole.
The sectional dimension of liner connecting cylinder 2 is cut with upper section rectangular steel-tube concrete column 1 and lower section rectangular steel-tube concrete column 3
Face size matches.The sectional dimension of liner connecting cylinder 2 should just be inserted into upper section rectangular steel-tube concrete column 1 and lower section rectangle steel
Inside pipe concrete column 3.2 top of liner connecting cylinder is provided with bolt hole 6, position, diameter and upper section rectangular steel-tube concrete column
Bolt hole 5 on rectangular steel pipe is corresponding, and 2 lower part of liner connecting cylinder is provided with bolt hole 6, and position, diameter and lower section rectangular steel pipe are mixed
Bolt hole 5 on the rectangular steel pipe of solidifying earth pillar is corresponding.
Upper section rectangular steel-tube concrete column 1 and 3 sectional dimension of lower section rectangular steel-tube concrete column can be identical, can also be different,
When the two sectional dimension is identical, referring to Figure 1~Fig. 4, the liner connecting cylinder 2 is cross-section pipe, upper and lower part section
Size is identical.When upper section rectangular steel-tube concrete column 1 and 3 sectional dimension difference of lower section rectangular steel-tube concrete column, refer to
Fig. 5~Fig. 9, the liner connecting cylinder 2 are varying cross-section duct, and top sectional dimension is smaller, and lower section size is larger, and top is under
Portion is connected by middle part section gradual transition section.
The position of upper-lower section rectangular steel-tube concrete column upper bolt hole 5, size will respectively with 2 top and the bottom of liner connecting cylinder
Bolt hole 6 is corresponding.In construction and installation, first by the bolt hole of 2 lower part of liner connecting cylinder and lower section rectangular steel-tube concrete column square
Bolt hole alignment on shape steel pipe, passes through the bolt on rectangular steel pipe and liner connecting cylinder with I 4-1 of self-lock high-strength one-way bolt
Connection is realized in hole.Then end cap under the rectangular steel pipe of upper section rectangular steel-tube concrete column is served as a contrast to the top of connecting cylinder, bolt inside
Hole alignment passes through the bolt hole on rectangular steel pipe and liner connecting cylinder 2 with II 4-2 of self-lock high-strength one-way bolt, realizes connection.
In design it needs to be determined that liner connection cylinder size and thickness, rectangular steel pipe and liner connecting cylinder punch position and ruler
Very little, Bolt sizes and quantity, design method are consistent with general steel structure node design method.It can be required first according to member stress
Bolt quantity and diameter required for splicing are determined, according to arranging detailing requiments about bolt in norm of steel structure and consider to avoid
Neighboring vertical bolt location conflict etc. determines bolt position.After choosing the diameter of bolt, rectangular steel pipe and liner connecting cylinder
Corresponding position punches size should be 1-1.5mm more bigger than screw diameter.Liner connecting cylinder wall thickness can be wanted according to joints performance
Adjustment is asked, liner connecting cylinder length arranges that detailing requiments determine according to bolt.
Although the preferred embodiment of the present invention is described above in conjunction with attached drawing, the invention is not limited to upper
The specific embodiment stated, the above mentioned embodiment is only schematical, be not it is restrictive, this field it is common
Technical staff under the inspiration of the present invention, in the case where not departing from present inventive concept and scope of the claimed protection, goes back
Many forms can be made, within these are all belonged to the scope of protection of the present invention.
Claims (3)
1. a kind of construction method of rectangular steel-tube concrete column splicing node, which is characterized in that use following steps:
One) lower part of liner connecting cylinder is inserted into inside the rectangular steel pipe upper end of lower section rectangular steel-tube concrete column, and by two
Person is linked together using full self-lock high-strength one-way bolt I；
Two) fill concrete in the rectangular steel pipe of lower section rectangular steel-tube concrete column；
Three) rectangular steel pipe of upper section rectangular steel-tube concrete column is in place, the rectangular steel pipe of upper section rectangular steel-tube concrete column
Lower end is sleeved on the top of liner connecting cylinder, and the two is linked together by full self-lock high-strength one-way bolt II.
2. the construction method of rectangular steel-tube concrete column splicing node according to claim 1, which is characterized in that on described
Section rectangular steel-tube concrete column is identical with the lower section rectangular steel-tube concrete column sectional dimension, and the liner connecting cylinder is to wait to cut
Facial canal, upper and lower part sectional dimension are identical.
3. the construction method of rectangular steel-tube concrete column splicing node according to claim 1, which is characterized in that on described
The sectional dimension of section rectangular steel-tube concrete column is smaller than the sectional dimension of the lower section rectangular steel-tube concrete column, and the liner connects
Connect cylinder is varying cross-section duct, and top sectional dimension is smaller, and lower section size is larger, and upper and lower part passes through the gradual change of middle part section
Cross section connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910105397.3A CN109797869A (en) | 2019-02-01 | 2019-02-01 | A kind of construction method of rectangular steel-tube concrete column splicing node |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910105397.3A CN109797869A (en) | 2019-02-01 | 2019-02-01 | A kind of construction method of rectangular steel-tube concrete column splicing node |
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| CN109797869A true CN109797869A (en) | 2019-05-24 |
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| CN201910105397.3A Pending CN109797869A (en) | 2019-02-01 | 2019-02-01 | A kind of construction method of rectangular steel-tube concrete column splicing node |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445816A (en) * | 2021-07-14 | 2021-09-28 | 辽宁工程技术大学 | Recyclable enclosure with expanded end and construction method thereof |
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| JP2004316426A (en) * | 2004-08-20 | 2004-11-11 | Daiwa House Ind Co Ltd | Joint structure for square steel pipe column |
| CN102733490A (en) * | 2012-06-29 | 2012-10-17 | 中国建筑股份有限公司 | Square steel core filling inner sleeve and opposing screw bolt splicing joint and construction method of splicing joint |
| CN105569184A (en) * | 2016-01-07 | 2016-05-11 | 天津大学 | One-way bolt connection node between rectangular steel pipe concrete column and H-type girders |
| CN107605052A (en) * | 2017-11-16 | 2018-01-19 | 华北理工大学 | Prefabricated assembled concrete-filled steel square tubular column member connecting structure and its construction method |
| CN207211392U (en) * | 2017-09-21 | 2018-04-10 | 安阳工学院 | The post column connected node of assembly concrete-filled steel tube framework |
| CN108560716A (en) * | 2018-06-12 | 2018-09-21 | 北京建筑大学 | A kind of concrete filled steel tube node of column and beam structure and its construction method |
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2019
- 2019-02-01 CN CN201910105397.3A patent/CN109797869A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004316426A (en) * | 2004-08-20 | 2004-11-11 | Daiwa House Ind Co Ltd | Joint structure for square steel pipe column |
| CN102733490A (en) * | 2012-06-29 | 2012-10-17 | 中国建筑股份有限公司 | Square steel core filling inner sleeve and opposing screw bolt splicing joint and construction method of splicing joint |
| CN105569184A (en) * | 2016-01-07 | 2016-05-11 | 天津大学 | One-way bolt connection node between rectangular steel pipe concrete column and H-type girders |
| CN207211392U (en) * | 2017-09-21 | 2018-04-10 | 安阳工学院 | The post column connected node of assembly concrete-filled steel tube framework |
| CN107605052A (en) * | 2017-11-16 | 2018-01-19 | 华北理工大学 | Prefabricated assembled concrete-filled steel square tubular column member connecting structure and its construction method |
| CN108560716A (en) * | 2018-06-12 | 2018-09-21 | 北京建筑大学 | A kind of concrete filled steel tube node of column and beam structure and its construction method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445816A (en) * | 2021-07-14 | 2021-09-28 | 辽宁工程技术大学 | Recyclable enclosure with expanded end and construction method thereof |
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