CN207934185U - A kind of detachably prefabricated assembled concrete-filled steel square tubular column and girder steel combined joint - Google Patents
A kind of detachably prefabricated assembled concrete-filled steel square tubular column and girder steel combined joint Download PDFInfo
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- CN207934185U CN207934185U CN201820092404.1U CN201820092404U CN207934185U CN 207934185 U CN207934185 U CN 207934185U CN 201820092404 U CN201820092404 U CN 201820092404U CN 207934185 U CN207934185 U CN 207934185U
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Abstract
The utility model discloses a kind of detachable prefabricated assembled concrete-filled steel square tubular column and girder steel combined joints, including concrete-filled steel square tubular column, girder steel, precast rc slab；The girder steel is attached with concrete-filled steel square tubular column by unilateral bolt；The precast reinforced concrete frame is set to girder steel；The precast rc slab is equipped with square groove compatible with concrete-filled steel square tubular column cross-sectional shape, and the square groove is set to precast rc slab edge, plays the role of the resigning to concrete-filled steel square tubular column.
Description
Technical field
The utility model is related to a kind of detachable prefabricated assembled concrete-filled steel square tubular column and girder steel combined joints.
Background technology
To implement comprehensively《National Program for Medium-to Long-term Scientific and Technological Development (2006-2020)》Inter-related task and
《Scheme of the State Council about in-depth state revenue plan of science and technology (special project, fund etc.) administrative reform》, national correlation department tissue
Expert has formulated " green building and building industrialization " emphasis special project embodiment, and formally enters implementation phase.Accelerate research and development
The next-generation core technology and product in green building and building industrialization field, make China building energy conservation, environmental quality promoted,
Technical system and the product equipment of the key links such as engineering construction efficiency and quality safety are reached advanced world standards, and are that China is green
Color is built and building industrialization realizes that scale, high benefit and sustainable development provide technical support.
Currently, multi and tall steel building house and large-scale public civilian and industrial building become the project that state key is promoted,
Steel structure body tie up to the diversity applied in architectural design and convenient for tearing down and reconstructing, energy conservation and environmental protection the features such as have become contemporary structure and set
Weight calculation point considers direction, to meet the novel building system of sustainable development needs.
Bean column node is one of the important component of multi ＆ tall steel frame structure, and transmission is played in frame structure and is divided
Effect with internal force and guarantee structural integrity, stress and safety for total are very significant considering that.But mesh
Preceding most of more high residential buildings of tradition etc. mostly use reinforced concrete structure, for the node of such structure, due to reinforcing bar
Usually there is stress concentration phenomenon in connecting portion, need setting enforced loop plane to ensure its reasonable stress, cause material to be used in this way
It is big and heavier to measure big, joint structure complexity, difficult design, difficulty of construction, influence building beauty and uses.Seek a kind of anti-
Shock stability is good, construction speed is fast, the prefabricated assembled concrete-filled steel square tubular column-steel of the novel dismountable of construction material recoverable
Beam combined joint linked system, meets the demand of green building and building industrialization.
In view of this, inventor carries out a kind of detachable prefabricated assembled concrete-filled steel square tubular column-girder steel combined joint
Further investigation, is then generated by this case.
Utility model content
It is a kind of detachable prefabricated assembled the purpose of the utility model is to overcome in place of the deficiencies in the prior art, providing
Concrete-filled steel square tubular column and girder steel combined joint, solve the problems such as difficulty of construction is big in above-mentioned background technology.
Technical solution adopted by the utility model to solve its technical problems is：It provides a kind of detachable prefabricated assembled
Concrete-filled steel square tubular column and girder steel combined joint, including concrete-filled steel square tubular column, girder steel, precast rc slab；The steel
Beam is attached with concrete-filled steel square tubular column by unilateral bolt；The precast rc slab is fixed on girder steel；
The concrete-filled steel square tubular column is equipped with several mounting holes, and steel bushing is embedded in the concrete-filled steel square tubular column；
The steel bushing trepanning is corresponding with the mounting hole on concrete-filled steel square tubular column；
The girder steel is H profile steel beam, and the girder steel is equipped with end plate；The end plate is equipped with through-hole, logical on the end plate
Hole is corresponding with mounting hole position on concrete-filled steel square tubular column；The girder steel on end plate by installing several unilateral bolts and square steel
Pipe concrete column is bolted；
The girder steel includes top flange disposed in parallel, lower flange, and the web being vertically arranged；If the top flange is equipped with
Dry connecting hole, the connection hole are equipped with shearing bolt auxiliary connection；The precast rc slab is equipped with several reserved
Hole, the preformed hole are corresponding with girder steel top flange connection hole site；The shearing bolt auxiliary connection is placed in preformed hole and fills
High performance filled material realizes that precast rc slab is connect with girder steel.
In one preferred embodiment of the utility model, screw thread is set in the steel bushing, the unilateral bolt passes through girder steel end
Plate through-hole, and connect with the steel bushing in concrete-filled steel square tubular column.
In one preferred embodiment of the utility model, the steel bushing is equipped with the curved muscle in tail portion, is arranged on the outside of the steel bushing
There is the shearing-resistant member vertical with its axis.
In one preferred embodiment of the utility model, the shearing bolt auxiliary connection is mounted on the connecting hole of girder steel top flange
In, the shearing bolt auxiliary connection is corresponding with the preformed hole of armoured concrete slab and is placed in preformed hole, in the preformed hole
Fill high performance filled material.
In one preferred embodiment of the utility model, it is preset on the precast rc slab and Concrete-Filled Square Steel Tube
The compatible square groove of column cross-sectional shape, the square groove are set to precast rc slab edge.
Compared with the background art, it has the following advantages that the technical program：
1. using detachable prefabricated assembled concrete-filled steel square tubular column and girder steel combined joint, all components live can fill
With connection, reduces site welding work and wet construction, improve building industrialization efficiency of assembling.
2. unilateral bolt connection pair superior performance, by being improved and reinforcing to steel bushing, the weld side on steel bushing
The curved muscle of face shear reinforcement and tail portion, increases the breakout capacity of auxiliary connection, while the whole of bean column node connection is greatly improved
Body；On the other hand, the bean column node for using such unilateral bolt connection pair connection can be by dismantling unilateral bolt so that end
Plate and post separation realize the dismounting and replacement of node beam, column component.
3. the bolt of shearing bolt auxiliary connection provides not only preferable shear resistance, and effectively constrains prefabricated mixed
The lateral displacement of concrete board.When concrete slab needs replacing, the nut of dismounting shearing bolt lower part can be passed through so that concrete
Plate and girder steel separation, and then realize the dismounting and replacement of concrete slab.
4. each component of the utility model can realize the function of dismounting and replacement, install convenient is embodied efficiently and convenient for tearing down and reconstructing
New facade lighting and thought.
Description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the vertical view of the utility model；
Fig. 3 is the front view of the utility model；
Fig. 4 is shearing bolt auxiliary connection scheme of installation；
Fig. 5 is combined joint schematic diagram when not installing precast rc slab；
Fig. 6 is shearing bolt auxiliary connection structural schematic diagram；
Fig. 7 is unilateral bolt scheme of installation；
Fig. 8 is unilateral bolt and steel bushing organigram；
Fig. 9 is unilateral bolt and steel bushing structure section schematic diagram；
Figure 10 is steel bushing organigram；
Figure 11 is steel bushing along the faces A-A diagrammatic cross-section.
Specific implementation mode
Please refer to Fig. 1-11, a kind of detachable prefabricated assembled concrete-filled steel square tubular column and girder steel 2 of the present embodiment combine
Node, including concrete-filled steel square tubular column 1, girder steel 2, precast rc slab 4；The girder steel 2 is logical with concrete-filled steel square tubular column 1
Unilateral bolt is crossed to be attached；The precast rc slab 4 is set up in girder steel 2；It is set on the precast rc slab 4
There are square groove compatible with 1 cross-sectional shape of concrete-filled steel square tubular column, the square groove to be set to 4 side of concrete slab
Edge plays the role of the resigning to concrete-filled steel square tubular column 1.
The concrete-filled steel square tubular column 1 is equipped with several mounting holes, and steel bushing is embedded in the concrete-filled steel square tubular column 1
14；14 trepanning of the steel bushing is corresponding with the mounting hole on concrete-filled steel square tubular column 1；
The precast rc slab 4 which is provided with several preformed holes 11, be mixed filled with grouting in the preformed hole 11
Solidifying soil；
The girder steel 2 is H profile steel beam 2, including top flange disposed in parallel, lower flange, and the web being vertically arranged；
The top flange is equipped with several connecting holes 6, and the connecting hole 6 is adapted with 11 position of preformed hole, the pre-manufactured steel
Reinforced concrete plate 4 is connected to the top flange of girder steel 2 by several shearing bolt auxiliary connections 5；Precast rc slab 4 and H-type
The reserved hole of girder steel 22, the two are carried out preliminary connection by shearing bolt auxiliary connection 5, wait for that shearing bolt auxiliary connection 5 is pacified
It after the completion of dress, is in the milk to unfilled part in precast rc slab 4, grouted-aggregate concrete 12 is using high performance filled
Material, the high performance filled material include self-compacting high-strength concrete, and strength grade is mixed not less than precast rc slab 4
Solidifying soil grade.The shearing bolt auxiliary connection 5 includes shearing bolt 8 and nut 9, and the shearing bolt 8 is fixed on by nut 9
Preformed hole 11 and corresponding connecting hole 6.9 quantity of the nut is 2, is respectively arranged between concrete slab 4 and top flange,
And top flange lower surface.Gasket 10 is equipped between the nut 9 and the contact surface of top flange.Shearing bolt 8 is on H profile steel beam 2
Edge of a wing bottom surface is connected by nut 9 and is fastened, and when needing replacing floor, only need to be twisted the nut 9 on shearing bolt 8 successively
Under, you can by floor integral demounting and replacement.
The girder steel 2 is equipped with end plate 3, the welding of the end plate 3 and girder steel 2 in the junction of itself and concrete-filled steel square tubular column 1
One end, including extended end plate 3 and concordant end plate 3；When site operation, H profile steel beam 2 first carries out being welded into one with end plate 3,
The anti-bending bearing capacity of girder steel 2 is improved, 2 deflection deformation of girder steel is reduced.The girder steel 2 is solid by several unilateral bolt connection pairs 7
Fixed end plate 3 is connect with concrete-filled steel square tubular column 1, and the end plate 3 is equipped with through-hole compatible with mounting hole position.
The unilateral bolt connection pair 7 is 8, including steel bushing 14 and unilateral bolt 13, the steel bushing 14 bury level
Ground is embedded in concrete-filled steel square tubular column 1, and screw thread is provided in the steel bushing 14, and the unilateral bolt 13 is sheathed on through-hole,
And from end plate 3 to 1 direction of concrete-filled steel square tubular column and 14 interlocking of steel bushing.The steel bushing 14 is equipped with the curved muscle 16 in tail portion, steel bushing
14 peripheries of cylinder are provided with the 3 pair shearing resistance muscle 15 vertical with its side wall.Between the head and the joint face of end plate 3 of the unilateral bolt 13
Equipped with gasket 10.When site operation, 8 unilateral bolt connection pairs 7 are reserved in the corresponding hole of steel pipe column, then to column steel
Casting concrete in pipe so that unilateral bolt connection pair 7 is integrated with steel core concrete column consolidation, then by tightening unilateral spiral shell
Unilateral bolt 13 and gasket 10 in bolt auxiliary connection 7 are by the integrated member and steel core concrete column of girder steel 2 and end plate 3 after welding
Anchor connection is carried out, being reliably connected for H profile steel beam 2, unilateral bolt connection pair 7 and steel core concrete column, globality are realized
It is greatly increased.
Installation method according to said combination design of node is：
1, in addition to needing scene to be in the milk prefabricated board preformed hole 11, the composition component of all combined joints is prefabricated in the factory
It completes, the connecting hole 6 reserved wherein on H profile steel beam 2 should meet detailing requiments.Preformed hole 11 on precast rc slab 4
Construction should be corresponding and mating with connecting hole 6 on H profile steel beam 2.H profile steel beam 2 is welded with the welding of end plate 3 and on steel bushing 14
The curved muscle of shearing resistance muscle 15 and tail portion 16 is connect to complete in factory.Wherein, by 10 list of unilateral bolt 13 and gasket on the outside of steel pipe
While tightening, first high-strength unilateral bolt connection pair 7 is integrally attached on square steel tube, then to casting concrete in square steel tube,
It completes prefabricated (shown in Fig. 1,4,5,7) of concrete-filled steel square tubular column；
2, the unilateral bolt 13 and gasket 10 on the outside of square steel tube are backed out, by the integrated member of girder steel 2 and end plate 3 after welding
Upper corresponding through-hole is directed at insertion with the unilateral bolt 13 on prefabricated steel core concrete column, then installs again and tightens steel
Unilateral bolt 13 and gasket 10 on the outside of tubing string carry out anchor connection to girder steel 2 and concrete-filled steel square tubular column 1 (shown in Fig. 5)；
3, concrete-filled steel square tubular column is holded up and the basis reserved with ground is attached and fixes；
4, precast rc slab 4 is assembled on H profile steel beam 2 so that preformed hole and connecting hole can be aligned and on
Lower perforation (shown in Fig. 4)；
5, gasket 10, shearing bolt 8 and nut 9 are installed successively, realization precast rc slab 4 is first with H profile steel beam 2
Step connection (shown in Fig. 1)；
6, it is in the milk, eventually forms detachable prefabricated assembled to unfilled part in precast rc slab 4
Concrete-filled steel square tubular column and girder steel combined joint (shown in Fig. 1~3).
7, column, beam or plate are if desired dismantled and replaced, can realize steel pipe by dismantling unilateral bolt 13 or dismounting nut 9
The separation of concrete column and H profile steel beam 2 (i.e. between beam-column) or precast rc slab 4 and H profile steel beam 2 (i.e. beam-plate it
Between) separation.Repeat 1~6 installation steps, you can complete assembled again (shown in Fig. 1~11) of combined joint.
The above, only the utility model preferred embodiment, therefore the utility model implementation cannot be limited according to this
It is new all should still to belong to this practicality that is, according to equivalent changes and modifications made by the utility model patent range and description for range
In the range of type covers.
Claims (5)
1. a kind of detachable prefabricated assembled concrete-filled steel square tubular column and girder steel combined joint, it is characterised in that：Including square steel tube
Concrete column, girder steel, precast rc slab；The girder steel is attached with concrete-filled steel square tubular column by unilateral bolt；
The precast rc slab is fixed on girder steel；
The concrete-filled steel square tubular column is equipped with several mounting holes, and steel bushing is embedded in the concrete-filled steel square tubular column；It is described
Steel bushing trepanning is corresponding with the mounting hole on concrete-filled steel square tubular column；
The girder steel is H profile steel beam, and the girder steel is equipped with end plate；The end plate is equipped with through-hole, the through-hole on the end plate with
Mounting hole position corresponds on concrete-filled steel square tubular column；The girder steel is mixed with square steel tube by installing several unilateral bolts on end plate
Solidifying earth pillar is bolted；
The girder steel includes top flange disposed in parallel, lower flange, and the web being vertically arranged；If the top flange is equipped with involvement
Hole is connect, the connection hole is equipped with shearing bolt auxiliary connection；The precast rc slab is equipped with several preformed holes, institute
It is corresponding with girder steel top flange connection hole site to state preformed hole；The shearing bolt auxiliary connection is placed in preformed hole and fills high-performance
Filler material realizes that precast rc slab is connect with girder steel.
2. a kind of detachable prefabricated assembled concrete-filled steel square tubular column according to claim 1 and girder steel combined joint,
It is characterized in that：Set screw thread in the steel bushing, the unilateral bolt passes through girder steel end plate through-hole, and in concrete-filled steel square tubular column
Steel bushing connection.
3. a kind of detachable prefabricated assembled concrete-filled steel square tubular column according to claim 2 and girder steel combined joint,
It is characterized in that：The steel bushing is equipped with the curved muscle in tail portion, and the shearing-resistant member vertical with its axis is provided on the outside of the steel bushing.
4. a kind of detachable prefabricated assembled concrete-filled steel square tubular column according to claim 1 and girder steel combined joint,
It is characterized in that：The shearing bolt auxiliary connection is mounted in the connecting hole of girder steel top flange, the shearing bolt auxiliary connection and steel
The preformed hole of reinforced concrete plate is corresponding and is placed in preformed hole, and high performance filled material is filled in the preformed hole.
5. a kind of detachable prefabricated assembled concrete-filled steel square tubular column according to claim 1 and girder steel combined joint,
It is characterized in that：It is preset on the precast rc slab compatible with concrete-filled steel square tubular column cross-sectional shape rectangular recessed
Slot, the square groove are set to precast rc slab edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820092404.1U CN207934185U (en) | 2018-01-19 | 2018-01-19 | A kind of detachably prefabricated assembled concrete-filled steel square tubular column and girder steel combined joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820092404.1U CN207934185U (en) | 2018-01-19 | 2018-01-19 | A kind of detachably prefabricated assembled concrete-filled steel square tubular column and girder steel combined joint |
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| Publication Number | Publication Date |
|---|---|
| CN207934185U true CN207934185U (en) | 2018-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820092404.1U Active CN207934185U (en) | 2018-01-19 | 2018-01-19 | A kind of detachably prefabricated assembled concrete-filled steel square tubular column and girder steel combined joint |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086471A (en) * | 2018-01-19 | 2018-05-29 | 华侨大学 | Detachable prefabricated assembled concrete-filled steel square tubular column and girder steel combined joint |
| CN110593409A (en) * | 2019-10-08 | 2019-12-20 | 西安建筑科技大学 | Full-life-cycle detachable and replaceable frame structure system and installation and replacement method |
-
2018
- 2018-01-19 CN CN201820092404.1U patent/CN207934185U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086471A (en) * | 2018-01-19 | 2018-05-29 | 华侨大学 | Detachable prefabricated assembled concrete-filled steel square tubular column and girder steel combined joint |
| CN110593409A (en) * | 2019-10-08 | 2019-12-20 | 西安建筑科技大学 | Full-life-cycle detachable and replaceable frame structure system and installation and replacement method |
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