CN108374512A - A kind of bolted and welded connection concrete filled steel tube special-shape column-stealth beam floor assembly system - Google Patents
A kind of bolted and welded connection concrete filled steel tube special-shape column-stealth beam floor assembly system Download PDFInfo
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- CN108374512A CN108374512A CN201810146176.6A CN201810146176A CN108374512A CN 108374512 A CN108374512 A CN 108374512A CN 201810146176 A CN201810146176 A CN 201810146176A CN 108374512 A CN108374512 A CN 108374512A
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Classifications
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/10—Load-carrying floor structures formed substantially of prefabricated units with metal beams or girders, e.g. with steel lattice girders
Abstract
The present invention proposes that a kind of bolted and welded connection concrete filled steel tube special-shape column stealth beam floor assembles system, belongs to technical field of structural engineering, including concrete filled steel tube special-shape column, stealthy beam floor modules and bolted and welded connection node.Using the beam being prefabricated in the factory as the frame of beam slab integral module, precast concrete is poured in beam bottom portion.At the construction field (site), stealthy beam floor modules and concrete filled steel tube special-shape column are attached with bolted and welded connection node.Later above concrete layer can free pipeline installation, pipeline is passed through from soffit of girder plate holes between different plates, and lightweight concrete is poured after the completion of being laid with.The upper lower flange of beam is embedded in the concrete of floor by beam slab integration, improves the local stability of component, alleviate fire prevention and the Anticorrosion of steel structure girder by stealthy beam floor；The mode that web opens up hole and placement layer by layer floor is conducive to the personalized arrangement of pipeline, facilitates the repair and transformation in later stage.
Description
Technical field
The present invention designs a kind of bolted and welded connection concrete filled steel tube special-shape column-stealth beam floor assembly system, belongs to knot
Structure field of engineering technology.
Background technology
Annual 20 billion cubic meter of town and country newly constructed house area in China, wherein 80% or more builds for high energy consumption, China's unit
Construction area energy consumption is the 2 times or more of developed country.Meter is joined in a common effort according to Chinese steel, China's output of steel in 2011 breaks through 700,000,000 tons of high pointes,
It is the first to be sure to occupy within continuous 16 years countries in the world output of steel, corresponding current domestic construction industrialization degree is and flourishing less than 10%
National steel building area accounts for 50% or more overall floorage, and Japan accounts for 80%.China is as construction scope, steel in the world
The maximum country of material yield, the development of light-duty steel construction house seriously lag.
Although existing steel building improves speed of application to a certain extent, difficulty of construction is alleviated, still
So there are problems.In the construction process, some uses composite floor with profiled steel sheet, removes a large amount of templates from, but profiled sheet increases
Add cost, and finishing processing is inconvenient below floor, additionally needs arrangement temporary support；Some is using reinforced concrete sandwich building
Plate is generally also required to arrangement temporary support, and preformed layer is thicker increases floor total height.Traditional contignation, plate are arranged in
Liang Shang increases beam slab total height, reduces structure and uses height.Girder steel is exposed to need anti-corrosion fire prevention to handle, and increases cost, and girder steel
The exposed flexible arrangement for being unfavorable for space.Conventional floors fulgurite is embedded in structure sheaf, and building storey, the pipes such as water, warm are poured on structure sheaf
Line is embedded in building storey, keeps total floor thickness larger.
Invention content
The present invention proposes a kind of intense industrialization, rapid construction bolted and welded connection concrete filled steel tube special-shape column-stealth
Beam floor assembles system, and the purpose is to solve the problems in background technology to a certain extent.Stealthy beam floor passes through beam slab one
Body reduces the integral thickness of beam slab under the premise of not reducing bearing capacity, improves building headroom, and beam is hidden in floor
In, keep space layout more flexible；The upper lower flange of beam is embedded in the concrete of floor, it is pre- around one side beam
The concrete stayed can improve the local stability of component, avoid local buckling, on the other hand alleviate steel knot to a certain extent
The fire prevention of structure beam and Anticorrosion.The mode that web opens up hole and placement layer by layer floor is conducive to the personalized cloth of pipeline
It sets and installs, facilitate the repair and transformation in invention later stage.
Technical solution of the present invention is as follows：
A kind of bolted and welded connection concrete filled steel tube special-shape column-stealth beam floor assembly system, including concrete filled steel tube are different
Type column, stealthy beam floor modules and bolted and welded connection node.
The stealth beam floor modules include reinforced concrete floor, girder I (5), girder II (6), girder III (7), master
Beam IV (8), middle part secondary beam I (9), triangular connecting plate (10)；The bolted and welded connection node passes through beam web at the construction field (site)
Bolt hole and clamping plate are assembled by stealthy beam floor and steel reinforced concrete special-shape column bolt-weld joint；Stealthy beam floor modules are by abdomen
The integral module that the beam and reinforced concrete floor that plate punches are formed, first using the beam being prefabricated in the factory as beam slab module
Frame arranges reinforcing bar in girder steel lower position, pours the precast concrete that height is 40mm-100mm in reinforcement location, forms steel
Bar concrete floor；Then stealthy beam floor modules and concrete filled steel tube special-shape column are transported into construction site, using lifting mode
Assembled in situ is carried out, stealthy beam floor modules and concrete filled steel tube special-shape column are attached with bolted and welded connection node；Steel
Arrange that pipeline, pipeline pass through beam web hole above bar concrete floor；Wait for that pipeline deploys, in concrete floor up to back
Face pours lightweight concrete；
Lightweight concrete density is not more than 1200kg/ cubic metres, and precast concrete uses the coagulation of C30 or more intensity
Soil, density are more than 2400kg/ cubic metres.Lightweight concrete layer uses air entrained concrete, granular polystyrene concrete or haydite coagulation
Soil, it is convenient to dismount and repair in the future pipeline.
A kind of bolted and welded connection concrete filled steel tube special-shape column proposed by the present invention-stealth beam floor assembles system, special
Sign is that assembled steel tube special-shape column has L-shaped steel pipe column (1), T steel tubing string (2) and cross tube column (3).The column
Son is made of chapped pipe and concrete, is prefabricated in the factory, and is transported to behind scene and is directly carried out assembled installation.
The assembled stealth beam floor modules are the whole moulds formed by the beam and reinforced concrete floor of holes in soffit
Block.Using the beam being prefabricated in the factory as the frame of beam slab module, arranges reinforcing bar in girder steel lower position, poured in reinforcement location
Height is the precast concrete of 40mm-100mm, forms reinforced concrete floor.It is specifically linked and packed as follows：The assembled is hidden
Ellbeam floor modules are spliced by four kinds of A plates, B plates, C plates, D plates plates；A plates and B plates, C plates and D plates are respectively along long side side
To connection, A plates are connected along short side direction with C plates, B plates with D plates respectively.Since AC plate tectonices are identical, BD plate tectonices are identical,
So being introduced by taking A plates, B plates as an example.
The A plates include concrete (4), girder I (5), girder II (6), girder III (7), girder IV (8), middle part time
Beam I (9), triangular connecting plate (10) and reinforcing bar (11).Concrete (4) and reinforcing bar (11) constitute reinforced concrete floor.The master
Beam I (5), girder III (7) and middle part secondary beam I (9) are made of H profile steel, and the girder II (6) and girder IV (8) are made of channel steel,
The above girder is located at reinforced concrete floor surrounding, is welded two-by-two by four pieces of triangular connecting plates (10) and is spliced into armored concrete
The frame of floor.Girder I (5) is parallel with girder II (6), is long side；Girder III (7) is parallel with girder IV (8), is short side；In
Portion's secondary beam I (9) is arranged in the span centre position of reinforced concrete floor and is parallel to short side；The girder I (5), girder II (6),
Girder III (7), girder IV (8) and middle part secondary beam I (9) open up hole at web, the laying so as to pipeline and arrangement.It is described
Reinforcing bar (11) is divided into horizontal distribution muscle (12) and longitudinal reinforcement (13).
The B plates essential structure is similar with A plates, and difference lies in girder II (6), girder IV (8) and middle part secondary beams I
(9) using H-shaped steel, what girder I (5) and girder III (7) used is then channel steel.
The bolted and welded connection node of the concrete filled steel tube special-shape column and beam：The beam web edge is provided with bolt
Then hole makes one piece of clamping plate (14) and web is contour, position of opening is mutual on clamping plate (14) bolt hole position of opening and beam
It is corresponding.Lower flange and clamping plate (14) are welded in post exterior side on beam, and beam web is bolted with clamping plate (14).
The above-described bolted and welded connection concrete filled steel tube special-shape column-stealth beam floor assembly system should belong to this hair
The range of bright protection.
Advantageous effect
It is hidden that the present invention proposes a kind of bolted and welded connection concrete filled steel tube special-shape column-belonging to technical field of structural engineering
Ellbeam floor assembles system, overcomes the more complicated construction technology of traditional architecture precast floor slab.Stealthy beam floor passes through beam slab
Integration reduces the integral thickness of beam slab under the premise of not reducing bearing capacity, improves building headroom, and beam is hidden in floor
In, keep space layout more flexible；The upper lower flange of beam is embedded in the concrete of floor, it is pre- around one side beam
The concrete stayed can improve the local stability of component, avoid local buckling, on the other hand alleviate steel knot to a certain extent
The fire prevention of structure beam and Anticorrosion.The mode that web opens up hole and placement layer by layer floor is conducive to the personalized cloth of pipeline
It sets and installs, facilitate the repair and transformation in invention later stage.Such bolted and welded connection concrete filled steel tube special-shape column-stealth Liang Lou
The assembling speed and quality of board assembly system increase, and adapt to the development of assembling type steel structure.
Description of the drawings
Fig. 1 is the assembling type steel structure building system figure of the present invention
Fig. 2 is the assembling type steel structure building vertical view of the present invention
Fig. 3 is the system figure of the assembled column system of the present invention
Fig. 4 is the assembly concrete-filled steel tube special-shape column schematic diagram of the present invention
Fig. 5 is the L-shaped column sectional view of the present invention
Fig. 6 is the T shape column sectional views of the present invention
Fig. 7 is the cross section column sectional view of the present invention
Fig. 8 is the assembled A plate-girder skeleton schematic diagrames of the present invention
Fig. 9 is that the assembled A plates of the present invention first pour normal concrete partial schematic diagram
Figure 10 be the present invention assembled A plates after pour lightweight concrete complete diagram
Figure 11 is the assembled B plate-girder skeleton schematic diagrames of the present invention
Figure 12 is that the assembled B plates of the present invention first pour normal concrete partial schematic diagram
Figure 13 is cross-section diagram after stealthy beam concrete floor slab placement structure layer concrete
Figure 14 is that stealthy beam floor placement layer by layer completes cross-section diagram
Figure 15 is the schematic diagram of the assembled stealth beam floor beam and L-shaped stud welding Hybrid connections node of the present invention
Such as attached drawing, 1-L-shaped steel pipe column, 2-T steel tubing strings, 3-cross tube columns, 4-concrete, 5-girders I,
6-girders II, 7-girders III, 8-girders IV, 9-middle part secondary beams I, 10-triangular connecting plates, 11-reinforcing bars, 12-horizontal points
Cloth muscle, 13-longitudinal reinforcements, 14-clamping plates.
Specific implementation mode
The present invention is described in detail below in conjunction with the accompanying drawings, and the embodiment below with reference to attached drawing description is example type
, it is intended to for explaining the present invention, and it is not considered as limiting the invention.
Bolted and welded connection concrete filled steel tube special-shape column proposed by the present invention-stealth beam floor assembles system, specific to assemble
Mode is as follows：First by the girder I (3) for the holes in soffit that has been prefabricated in the factory, girder II (4), girder III (5) and girder IV (6)
Weld the frame for being spliced into stealthy beam floor modules two-by-two by four pieces of triangular connecting plates (8), middle part secondary beam I (7) is arranged in hidden
The span centre position of ellbeam floor modules and it is parallel to short side；Next it arranges horizontal distribution muscle (12) in girder steel lower position and indulges
To reinforcing bar (13), the precast concrete that height is 40mm-100mm is poured in reinforcing bar (11) position, forms reinforced concrete floor；
Then stealthy beam floor modules and concrete filled steel tube special-shape column are transported into construction site.
At the construction field (site), assembled in situ is carried out using lifting, with bolted and welded connection node to stealthy beam floor modules and
Concrete filled steel tube special-shape column is attached.Stealthy beam floor after the completion of assembly, is spread on concrete layer at the construction field (site)
If pipeline (water, warm, fulgurite etc.), pipeline is pierced by from soffit of girder plate holes, and pipeline is arranged between facilitating plate.Wait for that pipeline deploys,
In concrete floor lightweight concrete is poured up to top surface of the beam.Stealthy beam floor slab back casting lightweight concrete layer uses aerating coagulation
Soil, granular polystyrene concrete or haydite concrete, it is convenient to dismount and repair in the future pipeline.The above is stealthy beam floor
All components of assembly method, the floor complete in factory process, then by bolting each component and welding
It is assembled into the bolted and welded connection concrete filled steel tube special-shape column-stealth beam floor assembly system.
Bolted and welded connection concrete filled steel tube special-shape column proposed by the present invention-stealth beam floor assembles system, and scene only needs
It is welded and is bolted, the quality of construction is effectively ensured, the present invention carries out high efficiente callback utilization when component is removed, and reduction is built
Building refuse.Realize that extensive modularization, a degree of efficiency for improving architecture production and using meet sustainable development
Theory.
Claims (4)
1. a kind of bolted and welded connection concrete filled steel tube special-shape column-stealth beam floor assembles system, it is characterised in that：Architecture
Including concrete filled steel tube special-shape column, stealthy beam floor modules and bolted and welded connection node；It is described stealth beam floor modules include
Reinforced concrete floor, girder I, girder II, girder III, girder IV, middle part secondary beam I, triangular connecting plate；The bolt weldering mixing connects
Node is connect at the construction field (site) to connect stealthy beam floor and steel reinforced concrete abnormal shape stud welding by beam web bolt hole and clamping plate
Connect assembly；Stealthy beam floor modules are the integral modules formed by the beam and reinforced concrete floor of holes in soffit, first will be
Frame of the good beam of prefabrication as beam slab module, reinforcing bar is arranged in girder steel lower position, and pouring height in reinforcement location is
The precast concrete of 40mm-100mm forms reinforced concrete floor；Then stealthy beam floor modules and concrete filled steel tube are different
Type column transports to construction site, assembled in situ is carried out using lifting mode, with bolted and welded connection node to stealthy beam floor modules
It is attached with concrete filled steel tube special-shape column；Arrange that pipeline, pipeline pass through beam web hole above reinforced concrete floor；Wait for pipeline
It deploys, lightweight concrete is poured up to top surface of the beam in concrete floor；
Lightweight concrete density is not more than 1200kg/ cubic metres, and precast concrete uses the concrete of C30 or more intensity, close
Degree is more than 2400kg/ cubic metres.
2. a kind of bolted and welded connection concrete filled steel tube special-shape column according to claim 1-stealth beam floor assembles system,
It is characterized in that：Assembled steel tube special-shape column has L-shaped steel pipe column, T steel tubing string and cross tube column.The pillar by
Chapped pipe and concrete are constituted, and are prefabricated in the factory, are transported to behind scene and directly carry out assembled installation.
3. a kind of bolted and welded connection concrete filled steel tube special-shape column according to claim 1-stealth beam floor assembles system,
It is characterized in that：The stealth beam floor modules are the integral module formed by beam and floor, the girder I, girder II, girder
III and girder IV be located at reinforced concrete floor surrounding, welded two-by-two by four pieces of triangular connecting plates and be spliced into reinforced concrete Tulou
The frame of plate, middle part secondary beam I are arranged in the span centre position of reinforced concrete floor and are parallel to short side；The girder I, girder
II, girder III, girder IV, open up hole at I web of middle part secondary beam, the side of beam slab module is then assemblied to form in factory's welding
Frame, in steel beam bottom prefabricated reinforced concrete floor.
4. a kind of bolted and welded connection concrete filled steel tube special-shape column according to claim 1-stealth beam floor assembles system,
Lightweight concrete layer is poured after it is characterized in that, uses air entrained concrete, granular polystyrene concrete or haydite concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146176.6A CN108374512A (en) | 2018-02-12 | 2018-02-12 | A kind of bolted and welded connection concrete filled steel tube special-shape column-stealth beam floor assembly system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146176.6A CN108374512A (en) | 2018-02-12 | 2018-02-12 | A kind of bolted and welded connection concrete filled steel tube special-shape column-stealth beam floor assembly system |
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| CN108374512A true CN108374512A (en) | 2018-08-07 |
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| CN103276799A (en) * | 2013-05-23 | 2013-09-04 | 北京工业大学 | Industrialized assembly type pillar-running-through beam solid-web steel structure frame eccentric support system |
| CN104278749A (en) * | 2014-10-23 | 2015-01-14 | 湖北弘毅建设有限公司 | Integral connecting system for steel-concrete composite structure component of prefabricated construction |
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| CN107460954A (en) * | 2017-09-21 | 2017-12-12 | 中国建筑股份有限公司 | A kind of post-tensioned prestressing assembling concrete frame energy dissipation component system and construction method |
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