CN106638989A - Steel pipe column and reinforced concrete column reinforced beam switching node and building comprising same - Google Patents
Steel pipe column and reinforced concrete column reinforced beam switching node and building comprising same Download PDFInfo
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- CN106638989A CN106638989A CN201710082817.1A CN201710082817A CN106638989A CN 106638989 A CN106638989 A CN 106638989A CN 201710082817 A CN201710082817 A CN 201710082817A CN 106638989 A CN106638989 A CN 106638989A
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- steel pipe
- reinforced
- pipe column
- column
- bracket
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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)
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- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a steel pipe column and reinforced concrete column reinforced beam switching node, wherein a steel pipe column part positioned at the upper part is inserted into a reinforced concrete column positioned at the lower part; a corbel is welded at the outer wall of the steel pipe column; longitudinal reinforced ribs of a reinforced concrete beam are welded at the corbels so as to be connected with the steel pipe column. The invention also discloses a building comprising the switching node. The switching node is definite in force transfer, reasonable in structure, safe and reliable, and the building comprising the switching node is safe, stable and economical, and is suitable for popularization and application.
Description
Technical field
The present invention relates to structural engineering technical field, more particularly to a kind of steel pipe column and reinforced column add beam
Switching node and the building containing it.
Background technology
Mixed Architecture is a kind of new structural systen for developing rapidly at home in recent years, is mainly used in high portion
And the building structure of superelevation portion.Compared with xoncrete structure, it is reducing dead load, is reducing structure section size, improves structure
The aspects such as stress performance, accelerating construction progress have obvious advantage；Compared with pure steel structure, its again have fire protecting performance it is good,
The characteristics of comprehensive steel using amount is little, wind action comfort level is good.Mixed structure is widely used in high portion due to its superior performance
In building.
Node is the key position for connecting beam and column.The internal force of beam and column is transmitted by node, therefore the peace of node work
The complete reliable premise for being to ensure structure normal work.At present, steel core concrete column is main with the joint form of reinforced beam
It is beam steel insertion node, ring beam joint, outer annular-stiffer bracket node, double beams etc..Due to technical limitations, per class node all
There are corresponding advantage and shortcoming, the shortcoming of beam steel insertion node is that steel pipe walls perforate has weakening to steel pipe bearing capacity, so steel
Tube wall tapping need to set stiffener, construct complex, and the reinforcing bar through steel pipe affects pouring for concrete, node manufacturability compared with
Difference.The shortcoming of ring beam joint is that, due to only relying on ring beam distribution moment of flexure, steel core concrete column participates in normal state moment of flexure point
That what is matched somebody with somebody is indifferent, and the rigidity of node is poor, and when such as ring beam joint is applied to side column, ring beam will be caused to project vertical
Face, affects building attractive in appearance.When the shortcoming of outer annular-stiffer bracket node is that the vertical muscle of beam-ends beam need to be welded with reinforcing ring, Site Welding work
Work amount is larger, and complex process, and level weld seam requirement is high, and node adaptability and motility in practicality is poor.The shortcoming of double beams
It is to cause girder system arrangement to complicate, on the other hand causes superstructure arrangement unbecoming again, affects architectural appearance and use.It is at present
Only, concrete filled steel tube is widely used, but the research of steel tube concrete beam and column node and imperfection, Concrete-filled tubular connections
There are problems that construction is complicated, difficulty of construction is high, cost height limits concrete filled steel tube development in actual applications.
In long-span roof latticed shell structure, many buildings adopt part steel pipe rod structure, i.e. structure upper to adopt steel pipe column
As the supporting member of wide span house cap, to increase the plastic deformation ability of superstructure, bottom adopt reinforced column with
Reduce steel using amount, save economical, steel pipe column is changed with reinforced column in a certain portion.But with regard to the method for such conversion
And measure, existing specification is not yet related to, and the application of engineering field is also difficult to reach maturation, reliability, specification.
As can be seen here, the switching node of above-mentioned steel pipe column and reinforced column adding reinforced concrete beam structure, method,
Defect is obviously still suffered from using upper, it would be highly desirable to be further improved.In order to rationally determine reinforced beam with steel pipe column
Type of attachment, steel pipe column and the transition form of reinforced column, verify safety, reliability, the exploitativeness of such node,
Found a kind of advanced technology, the conversion of reasonable stress, safely and reliably steel pipe column and reinforced column adding reinforced concrete beam
Node, becomes the target that current industry need to improve.
The content of the invention
The invention solves the problems that first technical problem be to provide a kind of power transmission clearly, simple structure and the good steel of ductility
Tubing string adds the switching node of beam with reinforced column, to improve the quality of connection of node, increase steel pipe column and armored concrete
Post adds the operation coordination of beam, so as to overcome the shortcomings of steel pipe column with reinforced column plus the switching node of beam.
To solve above-mentioned technical problem, the present invention is adopted the following technical scheme that：
Steel pipe column adds the switching node of beam with reinforced column, wherein, it is inserted to position under superposed steel pipe post part
In the reinforced column of bottom, the steel pipe column outer wall is welded with bracket, and the Reinforcement of reinforced beam passes through
It is welded on bracket and is connected with steel pipe column.
Further, the Reinforcement in the reinforced column positioned at bottom is welded under the steel pipe column
The inwall or outer wall of plug part.
Further, the bracket includes the bracket web of bracket top flange, bracket lower flange and the upper and lower edge of a wing of connection,
The Reinforcement of the reinforced beam includes the double Reinforcement in upside, the double Reinforcement in downside；
The upper and lower edge of a wing downside of the bracket is respectively welded the additional edge of a wing；Arrange row on Reinforcement/downside on the upside to receive longitudinal direction
Power reinforcing bar passes through to be welded to connect with top flange/lower flange in edge of a wing upper surface, arranges under Reinforcement/downside under the upside
Row's Reinforcement passes through to be welded to connect with the additional edge of a wing upper surface of top flange/lower flange.
Further, the upper and lower edge of a wing downside of the bracket is respectively by the additional edge of a wing described in overlap joint plate weld.
Further, the bracket includes the bracket web of bracket top flange, bracket lower flange and the upper and lower edge of a wing of connection,
Three is in I shape；Be respectively provided with the upper and lower edge of a wing opposite position of bracket inner ring plate in the steel pipe column, the inner ring plate with
Steel pipe column wall is welded to connect；Bracket web correspondence position is provided with longitudinal stiffener in the steel pipe column, the longitudinal direction adds
Strength rib is welded to connect with inner ring plate, steel pipe column wall.
Further, the bracket includes the bracket web of bracket top flange, bracket lower flange and the upper and lower edge of a wing of connection,
The bracket web both sides are respectively welded waist muscle riser；Elongated waist muscle is there also is provided in the reinforced beam, it is described logical
Long waist muscle is welded to connect with waist muscle riser.
Further, the steel pipe column includes upper cylindrical steel pipe, middle conical steel pipe and lower slotting section steel cylindrical tube,
Three is welded to connect, and is conical steel pipe at the steel pipe column and the node of reinforced beam.
Further, on the outer wall of the steel pipe column, in reinforced beam top/bottom latitude circumferentially with it is longitudinally disposed
Multiple pegs；Insert circumferentially and vertical in scope on the inwall of the steel pipe column, under the top of reinforced beam to steel pipe column
To the multiple pegs of setting.
Further, fill concrete in scope is inserted under the steel pipe column interior nodes area and steel pipe column.
The invention solves the problems that second technical problem be to provide it is a kind of safe and stable, economical and using steel pipe column and steel
Reinforced concrete post adds the building of beam form.
To solve above-mentioned technical problem, the present invention is adopted the following technical scheme that：
One kind building, including superposed steel pipe column and the reinforced column positioned at bottom, reinforced beam, three
The switching node of person adopts above-mentioned switching node.
By the way that using above-mentioned technical scheme, the present invention at least has advantages below：
(1) present invention extends to lower rebar concrete column by top steel pipe column fraction, is ensureing reasonable stress, knot
On the basis of structure safety, rolled steel dosage is reduced, save economy；By the way that reinforced beam Reinforcement is welded in
On bracket, strengthen beam column anchoring property, allow moment of flexure in beam to be effectively passed to node district.
(2) present invention inserts section steel pipe and lower rebar concrete column by top steel pipe column under lower rebar concrete column
Interior Reinforcement welding, increased the connection reliability of switching node, internal force is effectively passed at switching node
Pass.
(3), by improving the form of bracket, the double Reinforcement in the upper and lower both sides of reinforced beam can be with for the present invention
It is respectively welded in the bracket edge of a wing and additional edge of a wing upside, effectively solves the problems, such as the constructional difficulties produced due to overhead welding.
(4) present invention increased beam by the way that lower flange opposite position is respectively provided with inner ring plate in steel pipe column, on bracket
End moment of flexure reduces steel pipe walls stress concentration to transmission efficiency in steel pipe column；Coordinate simultaneously and longitudinal stiffener, effect more shows
Write.
(5) present invention makes bracket structure more consolidate by arranging waist muscle riser, while coordinating with elongated waist muscle, increases
The connection reliability of reinforced beam and steel pipe column, power transmission effect is more preferable.
(6) present invention further increases mechanical snap power and frictional force by arranging peg in steel pipe column wall outer wall,
The effectively solving steel pipe problem poor with concrete concertedness.
Description of the drawings
Above-mentioned is the general introduction of technical solution of the present invention, in order to more clearly understand the technological means of the present invention, below
With reference to accompanying drawing, the present invention is described in further detail with specific embodiment.
Fig. 1 is the switching node schematic perspective view of top steel pipe column and bottom steel core concrete column adding reinforced concrete beam；
Fig. 2 is the I-I generalized sections of Fig. 1；
Fig. 3 is the II-II generalized sections of Fig. 1；
Fig. 4 is the III-III generalized sections of Fig. 1；
Fig. 5 is the IV-IV generalized sections of Fig. 1；
Fig. 6 is the A-A generalized sections of Fig. 1；
Fig. 7 is the B-B generalized sections of Fig. 1；
Fig. 8 is bracket detail drawing in Fig. 1；
1- steel pipe columns in figure, 2- reinforced columns, 3- inner ring plates, the 4- brackets edge of a wing, the additional edges of a wing of 5-, 6- lapping plates,
7- bracket webs, 8- conical steel pipes, 9- beam Reinforcements, 10- pegs, 11- post Reinforcements insert section steel under 12-
Pipe, 13- waist muscle risers, longitudinal stiffener 14, waist muscle 15.
Specific embodiment
Referring to figs. 1 to shown in Fig. 8, the reinforced column 2 positioned at bottom is inserted under the part of superposed steel pipe column 1,
The outer wall of steel pipe column 1 is welded with steel corbel, and the beam Reinforcement 9 of reinforced beam is by being welded in steel corbel (mainly
The bracket edge of a wing 4) on be connected with steel pipe column 1.By the grafting of above-mentioned steel pipe column 1 and reinforced column 2, reinforced beam with
Steel pipe column 1 realizes effective conversion of three's node by beam Reinforcement 9 and the connection of steel corbel, closes with stress
Reason, the clear and definite advantage of power transmission.
Above-mentioned steel pipe column 1 includes upper cylindrical steel pipe, middle conical steel pipe 8 and the lower slotting section steel pipe 12 in cylinder,
Three is welded to connect, and is conical steel pipe 8 at steel pipe column 1 and the node of reinforced beam.Wherein, on top steel pipe column can increase
Portion's structure ductility, weight, bottom is converted to that reinforced column is relatively inexpensive, because the size of steel pipe column and reinforced column
Different, some ratio reinforced columns are big, the ratio reinforced column that has is little, so conical steel pipe connection in centre is more closed
Reason.
In connection between top steel pipe column 1 and lower rebar concrete column 2, it is preferable that by positioned at the reinforcing bar of bottom
Post Reinforcement 11 in concrete column 2 be welded in the inwall of steel pipe column lower inserting part point (corresponding to lower slotting section steel pipe 12) or
Outer wall, further increases the connection reliability of switching node, steel pipe column internal force is effectively transmitted at switching node.
Overhead welding is run in order to solve the problems, such as construction, in the bracket edge of a wing 4 (top flange, lower flange) downside lapping plate 6 is passed through
It is respectively welded the additional edge of a wing 5.The beam Reinforcement 9 of reinforced beam includes the double Reinforcement in upside, downside
Double Reinforcement；Arrange on upside and Reinforcement is arranged on Reinforcement/downside with top flange/lower flange in the wing
Edge upper surface is arranged by being welded to connect, under upside and Reinforcement and top flange/lower flange is arranged under Reinforcement/downside
The upper surface of the additional edge of a wing 5 by being welded to connect.
In order to reduce steel pipe walls internal force, increase beam-ends moment of flexure transmission efficiency, with the upper and lower edge of a wing phase of bracket in steel pipe column 1
Correspondence position is respectively provided with inner ring plate 3, and inner ring plate 3 is welded to connect with the inwall of steel pipe column 1；With bracket web 7 in steel pipe column 1
(being in I shape with the upper and lower edge of a wing of bracket) correspondence position is provided with longitudinal stiffener 14, longitudinal stiffener 14 and inner ring plate 3, steel
The inwall of tubing string 1 is welded to connect.
In order to further enhance bracket structure, while increasing the connection reliability and biography of reinforced beam and steel pipe column 1
Power performance, in the both sides of bracket web 7 waist muscle riser 13 is respectively welded；Elongated waist muscle is there also is provided in reinforced beam
15, elongated waist muscle 15 is welded to connect with waist muscle riser 13.
In order to increased mechanical snap power and frictional force, the effectively solving steel pipe problem poor with concrete concertedness, in steel
It is circumferentially and longitudinal (especially on bracket in the range of lower flange) on the outer wall of tubing string 1, in reinforced beam top/bottom latitude
Multiple pegs 10 are set；To steel pipe column 1 on the inwall of steel pipe column 1, in the top (especially inner ring plate 3) of reinforced beam
Down in slotting scope circumferentially with longitudinally disposed multiple pegs 10.
Processing and fabricating of the present invention is simple, and erecting and welding is convenient, and specific implementation process is：
1st, steel pipe column 1, inner ring plate 3, the bracket edge of a wing 4, the additional edge of a wing 5, lapping plate 6, bracket web 7, peg 10, waist muscle stand
Plate 13, longitudinal stiffener 14 are completed in steel construction factory process.
2nd, node is transported to scene, is positioned.
3rd, beam Reinforcement 9 is welded with the bracket edge of a wing 4 and the additional edge of a wing 5, and post Reinforcement 11 is with
Slotting section steel pipe 12 is welded, and waist muscle 15 is welded with waist muscle riser 13.
4th, colligation beam-column hooping.
5th, node concrete is poured；Wherein, the interior nodes area of steel pipe column 1 (the corresponding inner ring plate in bracket top flange is below 3) and
Fill concrete in slotting scope under steel pipe column 1.
Top steel pipe column of the present invention can be used for any need with lower rebar concrete column adding reinforced concrete beam switching node
The architectural structure system of this node is wanted, to improve safety, stability and the economy of the building structure.
The above, is only presently preferred embodiments of the present invention, and any pro forma restriction is not made to the present invention, this
Art personnel make a little simple modification, equivalent variations or modification using the technology contents of the disclosure above, all fall within this
In bright protection domain.
Claims (10)
1. steel pipe column and reinforced column add the switching node of beam, it is characterised in that insert under superposed steel pipe post part
To the reinforced column for being located at bottom, the steel pipe column outer wall is welded with bracket, the Reinforcement of reinforced beam
It is connected with steel pipe column by being welded on bracket.
2. steel pipe column according to claim 1 and reinforced column add the switching node of beam, it is characterised in that institute's rheme
Reinforcement in the reinforced column of bottom is welded in the inwall or outer wall of the steel pipe column lower inserting part point.
3. steel pipe column according to claim 1 and reinforced column add the switching node of beam, it is characterised in that the cattle
Lower limb includes bracket top flange, bracket lower flange and connects the bracket web on the upper and lower edge of a wing, and the longitudinal direction of the reinforced beam is received
Power reinforcing bar includes the double Reinforcement in upside, the double Reinforcement in downside；
The upper and lower edge of a wing downside of the bracket is respectively welded the additional edge of a wing；Row on Reinforcement/downside is arranged on the upside vertical
To steel bar stress and top flange/lower flange in edge of a wing upper surface by being welded to connect, arrange under the upside Reinforcement/under
The additional edge of a wing upper surface that Reinforcement is arranged under side with top flange/lower flange is by being welded to connect.
4. steel pipe column according to claim 3 and reinforced column add the switching node of beam, it is characterised in that the cattle
The upper and lower edge of a wing downside of lower limb is respectively by the additional edge of a wing described in overlap joint plate weld.
5. steel pipe column according to claim 1 and reinforced column add the switching node of beam, it is characterised in that the cattle
Lower limb includes bracket top flange, bracket lower flange and connects the bracket web on the upper and lower edge of a wing, and three is in I shape；
Inner ring plate is respectively provided with the upper and lower edge of a wing opposite position of bracket in the steel pipe column, in the inner ring plate and steel pipe column
Wall is welded to connect；
The steel pipe column is interior to be provided with longitudinal stiffener, the longitudinal stiffener and inner ring plate, steel with bracket web correspondence position
Pipe string internal wall is welded to connect.
6. steel pipe column according to claim 1 and reinforced column add the switching node of beam, it is characterised in that the cattle
Lower limb includes bracket top flange, bracket lower flange and connects the bracket web on the upper and lower edge of a wing, and the bracket web both sides are respectively welded
Waist muscle riser；
Elongated waist muscle is there also is provided in the reinforced beam, the elongated waist muscle is welded to connect with waist muscle riser.
7. steel pipe column according to claim 1 and reinforced column add the switching node of beam, it is characterised in that the steel
Tubing string includes upper cylindrical steel pipe, middle conical steel pipe and lower slotting section steel cylindrical tube, and three is welded to connect, the steel pipe column
With at the node of reinforced beam be conical steel pipe.
8. steel pipe column according to claim 1 and reinforced column add the switching node of beam, it is characterised in that the steel
On the outer wall of tubing string, in reinforced beam top/bottom latitude circumferentially with longitudinally disposed multiple pegs；The steel pipe column it is interior
On wall, under the top of reinforced beam to steel pipe column insert scope in circumferentially with longitudinally disposed multiple pegs.
9. the steel pipe column according to any one of claim 1-8 and reinforced column add the switching node of beam, its feature to exist
In fill concrete in slotting scope under the steel pipe column interior nodes area and steel pipe column.
10. it is a kind of to build, including superposed steel pipe column and the reinforced column positioned at bottom, reinforced beam, its
It is characterised by, the switching node of three is using the switching node described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710082817.1A CN106638989B (en) | 2017-02-16 | 2017-02-16 | Steel-pipe column and reinforced concrete column add conversion node of roof beam and contain its building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710082817.1A CN106638989B (en) | 2017-02-16 | 2017-02-16 | Steel-pipe column and reinforced concrete column add conversion node of roof beam and contain its building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106638989A true CN106638989A (en) | 2017-05-10 |
| CN106638989B CN106638989B (en) | 2022-09-09 |
Family
ID=58846198
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710082817.1A Active CN106638989B (en) | 2017-02-16 | 2017-02-16 | Steel-pipe column and reinforced concrete column add conversion node of roof beam and contain its building |
Country Status (1)
| Country | Link |
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| CN (1) | CN106638989B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476431A (en) * | 2017-09-18 | 2017-12-15 | 成都市建筑设计研究院 | Built-in concrete-filled circular steel tube column and double concrete girder connections |
| CN108301506A (en) * | 2017-12-28 | 2018-07-20 | 天元建设集团有限公司 | A kind of square tubular column-beams of concrete bracket Joint's connection fabrication and its construction method |
| CN108824484A (en) * | 2018-08-08 | 2018-11-16 | 北京市市政工程设计研究总院有限公司 | Rolling stock section covers steel frame and builds lower reinforced concrete frame mixed structure |
| CN109680809A (en) * | 2019-02-28 | 2019-04-26 | 清华大学 | The switching node and construction method of upper layer steel pipe column and lower layer's reinforced column |
| CN109680810A (en) * | 2019-02-28 | 2019-04-26 | 清华大学 | The switching node and construction method of upper layer steel pipe column and lower layer's reinforced column |
| CN109707055A (en) * | 2019-02-28 | 2019-05-03 | 清华大学 | The switching node and construction method of upper layer steel pipe column and lower layer's reinforced column |
| CN109826324A (en) * | 2019-02-28 | 2019-05-31 | 清华大学 | The transformational structure and conversion method of upper layer steel pipe column and lower layer's reinforced column |
| CN112160414A (en) * | 2020-09-29 | 2021-01-01 | 中建八局科技建设有限公司 | Connecting joint of structural column and structural beam of inverted round steel pipe and construction method thereof |
| CN113982106A (en) * | 2021-12-07 | 2022-01-28 | 广西路建集团建筑工程有限公司 | Transition section structure of reinforced concrete column and steel pipe concrete column and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476431A (en) * | 2017-09-18 | 2017-12-15 | 成都市建筑设计研究院 | Built-in concrete-filled circular steel tube column and double concrete girder connections |
| CN108301506A (en) * | 2017-12-28 | 2018-07-20 | 天元建设集团有限公司 | A kind of square tubular column-beams of concrete bracket Joint's connection fabrication and its construction method |
| CN108301506B (en) * | 2017-12-28 | 2023-08-11 | 天元建设集团有限公司 | Square steel column-concrete beam bracket node connection structure and construction method thereof |
| CN108824484A (en) * | 2018-08-08 | 2018-11-16 | 北京市市政工程设计研究总院有限公司 | Rolling stock section covers steel frame and builds lower reinforced concrete frame mixed structure |
| CN108824484B (en) * | 2018-08-08 | 2024-04-12 | 北京市市政工程设计研究总院有限公司 | Vehicle section covered steel frame and covered reinforced concrete frame mixed structure |
| CN109680809A (en) * | 2019-02-28 | 2019-04-26 | 清华大学 | The switching node and construction method of upper layer steel pipe column and lower layer's reinforced column |
| CN109680810A (en) * | 2019-02-28 | 2019-04-26 | 清华大学 | The switching node and construction method of upper layer steel pipe column and lower layer's reinforced column |
| CN109707055A (en) * | 2019-02-28 | 2019-05-03 | 清华大学 | The switching node and construction method of upper layer steel pipe column and lower layer's reinforced column |
| CN109826324A (en) * | 2019-02-28 | 2019-05-31 | 清华大学 | The transformational structure and conversion method of upper layer steel pipe column and lower layer's reinforced column |
| CN109680810B (en) * | 2019-02-28 | 2024-04-09 | 清华大学 | Conversion node of upper steel pipe column and lower reinforced concrete column and construction method |
| CN112160414A (en) * | 2020-09-29 | 2021-01-01 | 中建八局科技建设有限公司 | Connecting joint of structural column and structural beam of inverted round steel pipe and construction method thereof |
| CN113982106A (en) * | 2021-12-07 | 2022-01-28 | 广西路建集团建筑工程有限公司 | Transition section structure of reinforced concrete column and steel pipe concrete column and construction method |
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|---|---|
| CN106638989B (en) | 2022-09-09 |
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