CN206016007U - A kind of assembling type steel structure overlapped hollow floor system - Google Patents
A kind of assembling type steel structure overlapped hollow floor system Download PDFInfo
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- CN206016007U CN206016007U CN201620938102.2U CN201620938102U CN206016007U CN 206016007 U CN206016007 U CN 206016007U CN 201620938102 U CN201620938102 U CN 201620938102U CN 206016007 U CN206016007 U CN 206016007U
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Abstract
The utility model discloses a kind of assembling type steel structure overlapped hollow floor system, including girder steel, prefabricated panel, girt strip, obturator and cast-in-place concrete layer；The girder steel is H types section；It is made up of top flange, web and lower flange；The lower flange is wider than top flange.The assembling type steel structure overlapped hollow floor system anti-seismic performance is good, by the shear connections construction for arranging, ensure that the collaborative work of girder steel and cassette ceiling, the solid area intersected with cassette ceiling in girder steel is due to indulging muscle and stirrup restraint forms effect similar to the dark beam of steel reinforced concrete, good seismic performance.
Description
Technical field
This utility model is related to construction engineering technical field, more particularly to a kind of assembling type steel structure overlapped hollow floor system and
Its construction method.
Background technology
Adopting cast-in-place concrete floor, steel bar truss floor support plate, profiled sheet group in steel building building cover structure more
The floor forms such as floor are closed, floor is held on girder steel top flange, cooperate with floor to become with girder steel by arranging peg shear connector
Shape, enables both cooperations.Above-mentioned house demolition is obtained in steel building extensively due to good economy performance, easy construction
Application.But its girder steel size is larger, it is applied in residential housing to cause steel beam position to form the corner angle for protruding from interior, affects
Indoor sight and using effect；In addition its floor span is limited, causes post net more intensive, it is difficult to play steel construction lightweight high
By force, the strong advantage of span ability, limits the performance of steel construction advantage in residential housing.It is high that development is adapted to steel construction lightweight
By force, the large-span steel building cover structure of the strong advantage of span ability, realizes there is large pillar net, large bay, flexibly divides room spy
The system of steel residential structure of color, is the important technological problems of current steel house research.
The cast in place reinforced concrete plate filled with light weight material rod structure that applies in xoncrete structure passes through in concrete slab stress
The embedding density in less position is little, low cost light material reducing concrete amount, reduce dead load, can realize big
Span building cover structure.But which is applied to steel house and still suffers from the drawback that：（1）All round victory scaffold is set up at needs scene,
Formwork assembling reinforcement, casting concrete, field operation amount are big, it is impossible to meet the demand of steel building quick assembling.（2）With steel
Post connection is difficult, and strip negative reinforcement is connected with steel column and is difficult to process.（3）Shock resistance is poor, in the applicable height of earthquake territory
Degree is very limited.（4）Punch resistant capability is weaker, will generally arrange cap, affects the interior space to utilize.A variety of above ask
Topic, causes which to be dfficult to apply in steel house.
Therefore, seeking the strong steel construction house demolition of large span, fabricated construction, shock resistance becomes people in the art
The technical barrier of member's urgent need to resolve.
Utility model content
The purpose of this utility model is to provide a kind of structure novel and unique, easy to use, and can adapt to large span, dress
Construct with formula and the strong assembling type steel structure overlapped hollow floor system of shock resistance；Concrete technical scheme is：
A kind of assembling type steel structure overlapped hollow floor system, including girder steel, prefabricated panel, girt strip, obturator and cast-in-place coagulation
Soil layer；The girder steel is H types section；It is made up of top flange, web and lower flange；The lower flange is wider than top flange.
Further, the lower flange 40 ~ 120mm wider than top flange.
Further, through hole is provided with the web, be provided with perforated rebar in the through hole.
Further, the assembled hollow building cover upper surface is higher than the 50 ~ 120mm of girder steel top flange or concordant therewith.
Further, the prefabricated panel is prefabricated in the factory, and is made up of concrete, reinforcement and stirrup；Prefabricated panel two
Notch is left in side, and the notch highly adds 10 ~ 30mm for the girder steel lower flange thickness；Width of rebate is 20 ~ 60mm.
Further, the girt strip is yi word pattern or groined type, is formed by concreting, is provided with stirrup in girt strip；Institute
State girt strip integral prefabricated with the prefabricated panel in factory, or pour at the scene and form.
Further, the cast-in-place concrete layer is poured at the scene and is formed, and is configured with two-way steel in the cast-in-place concrete layer
Muscle net.
Further, the obturator is box-shaped, bar shaped；It is arranged above the prefabricated panel, the grid that the rib is formed
Interior.
A kind of assembling type steel structure overlapped hollow floor system described in the utility model can adopt fabricated construction, and girder steel can
To play a part of to support precoated plate during construction, without the need for formwork, speed of application is fast at scene.Structure simple structure, girder steel can be replaced
For part hollow superstructure slab strips on columns reinforcing bar, it is to avoid the difficult problem that slab strips on columns negative bending moment rib is connected with post.Therefore, above-mentioned assembled
Steel construction overlapped hollow floor system and its construction method can apply to multi and tall steel building building, especially in steel house
There is preferable popularizing application prospect.
Description of the drawings
Fig. 1 is this utility model assembling type steel structure overlapped hollow floor system structural representation；
Fig. 2 is this utility model assembling type steel structure overlapped hollow floor system structural representation；
Fig. 3 is local A enlarged drawings；
Fig. 4 is this utility model assembling type steel structure overlapped hollow floor system structural representation；
Fig. 5 is steel beam structure schematic diagram；
Fig. 6 is steel beam structure schematic diagram；
Fig. 7 is steel beam structure schematic diagram；
Fig. 8 is prefabricated panel structural representation.
In figure：1st, steel column；2nd, girder steel；2-1, top flange；2-2, lower flange；2-3, web through hole；2-4, peg；2-5, rib
Plate；2-6, web；2-7, reinforced hole；3rd, filling box；4th, reinforcing bar；5th, prefabricated panel；5-1, girt strip；6th, perforated rebar.
Specific embodiment
This utility model is more fully illustrated below with embodiment.This utility model can be presented as multiple not
Same form, is not construed as the exemplary embodiment for being confined to describe here.
For ease of explanation, can use here " on ", the space relative terms such as D score " left side " " right side ", for saying
The element illustrated in bright figure or feature are relative to another element or the relation of feature.It should be understood that in except figure
Outside the orientation for illustrating, spatial terminology is intended to include device different azimuth in use or operation.For example, if in figure
Device is squeezed, be stated as positioned at the element of other elements or feature D score will be located into other elements or feature " on ".Cause
This, exemplary term D score can include both upper and lower orientation.Device otherwise can be positioned（It is rotated by 90 ° or is located at
Other orientation）, correspondingly can explain used herein of the relative explanation in space.
As shown in Figures 1 to 4, the assembling type steel structure overlapped hollow floor system in the present embodiment, including girder steel 2, prefabricated panel
5th, girt strip 5-1, filling box 3 and cast-in-place concrete layer；Girder steel 2 is connected with steel column 1 by welding or bolt, forms steel frame construction；
Girder steel can play a part of to support precoated plate during construction, and without the need for formwork, speed of application is fast at scene.Prefabricated panel 5 is laid on building
The layer bottom of lid structure.
Girder steel 2 is H types section；It is made up of top flange 2-1, web 2-6 and lower flange 2-2；Lower flange 2-2 is than top flange 2-
1 is wide.Lower flange 2-2 40 ~ 120mm wider than top flange 2-1 can be made.Not only facilitate the lay-up operation of prefabricated panel 5, can also drop
The weight of low girder steel, makes the weight of total lighter.
When pouring cast-in-place concrete layer, the assembled hollow building cover upper surface after pouring is preferably higher than the top flange of girder steel 2
50 ~ the 120mm of upper surface of 2-1, at least concordant with the upper surface of top flange 2-1.
As shown in Figure 2 and Figure 3, prefabricated panel 5 is prefabricated in the factory, and is made up of concrete, reinforcement and stirrup；Prefabricated bottom
Notch is left on the downside of 5 two ends of plate, and notch highly adds 10 ~ 30mm for the lower flange 2-2 thickness of girder steel 2；Depth of rebate be 20 ~
60mm.
Can be with setting girt strip 5-1 on prefabricated panel 5；Girt strip 5-1 is integral prefabricated with prefabricated panel 5 in factory, or
Cast in situs is formed；Reinforcing bar is provided with prefabricated panel 5, two ends are provided with base plate cracking strip.
As shown in figure 5, girder steel 2 is made up of top flange 2-1, lower flange 2-2 and web；The top surface of top flange 2-2 is less than abdomen
The tip height of plate 2-6；Through hole is provided with as the reinforced hole 2-7 of reinforcing bar 4 near web 2-6 top sides.It is provided with web 2-6
Web through hole 2-3, web through hole 2-3 can be circular, it is also possible to as shown in fig. 7, being square, or oval or which
His shape.When cast-in-place concrete layer is poured, concrete can be linked together by web through hole 2-3.By girder steel 2 also pour into
Cast-in-place concrete layer.
The tow sides welding floor 2-5 of web 2-6 can improve the intensity of girder steel 2, meanwhile, floor 2-5 and top flange
The groove-like structure that 2-1 and lower flange 2-2 is constituted, improves the bonding strength of girder steel 2 and cast-in-place concrete layer.
Perforated rebar 6 is provided with web through hole 2-3.By perforated rebar 6 in insertion web through hole 2-3, steel is improved
The cast-in-place concrete layer bonding strength of 2 both sides of beam.Twice of the length of perforated rebar 6 more than 2 lower flange 2-2 width of girder steel.
As shown in fig. 6, top flange 2-1 is welded on the top of web 2-6；The top surface of top flange 2-1 is welded with string peg
2-4.The double-edged floor 2-5 of web 2-6 could alternatively be channel-section steel, and channel-section steel opening direction is parallel with the length direction of girder steel 2；
It is embedded in cast-in-place concrete layer, improves the bonding strength of girder steel 2 and cast-in-place concrete layer.
As shown in figure 8, prefabricated panel 5 can also pour rib；Pour girt strip 5-1 to pour relative to scene when being prefabricated in the factory
Build girt strip 5-1 easy to process, be easy to safeguard and ensure pouring quality.It is of course also possible to cast in situs girt strip 5-1.Girt strip 5-1 can
To be yi word pattern or groined type, the shape such as latticed is formed by concreting.Reinforcing bar conduct is provided with girt strip 5-1
Stirrup, improves the intensity of girt strip 5-1.Preferably, filling box 3 is together prefabricated in factory with prefabricated panel 5, can be further
Reduce the workload of site operation, filling box 3 fixed working procedure, reduction of erection time are placed in the scene of minimizing.
Cast-in-place concrete layer is poured at the scene and is formed, and is configured with bar-mat reinforcement in cast-in-place concrete layer；Bar-mat reinforcement is by two sides
To perforated rebar 4 be staggered to form, referred to as two-way concrete slab net.In figure, steel grid is rectangle；Certainly, the shape of bar-mat reinforcement is not limited
Reinforcing bar in Fig. 1-Fig. 4 is crisscross；It is rhombus or parallel four that the angle between perforated rebar 4 can also be changed and form mesh
The bar-mat reinforcement of the other shapes such as side shape.
The top surface of filling box 3 is square or rectangle；It is arranged above prefabricated panel 5, the grid that girt strip 5-1 is formed
Interior.
In order to shorten the set-up time, steel column A adopts flange form assembling structure.Steel column A can be divided into multistage, by two sections of steel columns
Connection end be respectively welded ring flange and connecting node, multistage steel column is fitted together by bolt, is formed overall.In order to carry
High bonding strength, the thickness of ring flange are more than 1.5 times of the thickness of connecting node flange plate.
Bracket beam is set in connecting node in order to connect girder steel A, while so that on steel column to assemble bolt close
Superstructure, convenient using concrete covering connecting node, it is to avoid get rusty impact bonding strength for junction.
This utility model additionally provides the construction method of above-mentioned assembling type steel structure overlapped hollow floor system, including following step
Suddenly：
1）In factory's colligation prefabricated panel reinforcing bar, casting concrete is simultaneously conserved, and completes the prefabricated panel 5 prefabricated；
2）The girder steel 2 that web is provided with the through hole of insertion web positive and negative is made in factory；
3）Hoisting steel beam 2 at the construction field (site), and be connected with steel column；Connected mode can adopt welding, it would however also be possible to employ spiral shell
Tether and connect；
4) hoisting prefabricated base plate 5 at the construction field (site), is shelved on the lower flange 2-2 of girder steel 2；
5）Arrangement, fixed filling box 3, by perforated rebar 6 through web through hole 2-3, are fixed in web through hole 2-3；
6）Colligation cast-in-place concrete layer two-way concrete slab net；
7）Cast-in-place concrete layer is poured, the construction of assembling type steel structure overlapped hollow floor system is completed.
A kind of assembling type steel structure overlapped hollow floor system described in the utility model and its construction method have following advantages：
（1）Fabricated construction, girder steel can play a part of to support precoated plate during construction, and scene is without the need for formwork, construction speed
Degree is fast；
（2）, from heavy and light, span ability is strong, can realize long-span floor system for superstructure.
（3）Structure simple structure, girder steel can substitute part hollow superstructure slab strips on columns reinforcing bar, it is to avoid slab strips on columns is born curved
The difficult problem that square muscle is connected with post.
（4）Stress performance is good, and girder steel plays a part of Punching Shear pin key, solves the weak difficulty of hollow building cover punch resistant capability
Topic, it is to avoid cap is set.
（5）Easy to connect, girder steel can adopt conventional bolt-weld joint or the mode that is articulated and connected with steel column, and connection is easy.
（6）Anti-seismic performance is good, by the shear connections construction for arranging, ensure that the collaboration work of girder steel and cassette ceiling
Make, the solid area intersected with cassette ceiling in girder steel forms the effect similar to the dark beam of steel reinforced concrete due to indulging muscle and stirrup restraint
Really, good seismic performance.
Therefore, above-mentioned assembling type steel structure overlapped hollow floor system and its construction method can apply to multi and tall steel building and build
Build, especially there is in steel house preferable popularizing application prospect.
Above-mentioned example is only intended to explanation this utility model, in addition, also multiple different embodiments, and these
Embodiment be all those skilled in the art after comprehension this utility model thought it is also envisioned that therefore, a here no longer string
Lift.
Claims (8)
1. a kind of assembling type steel structure overlapped hollow floor system, including girder steel, prefabricated panel, girt strip, obturator and cast-in-place concrete
Layer；Characterized in that, the girder steel is H types section；It is made up of top flange, web and lower flange；Compare top flange in the lower flange
Wide.
2. assembling type steel structure overlapped hollow floor system as claimed in claim 1, it is characterised in that compare top flange in the lower flange
Wide 40 ~ 120mm.
3. assembling type steel structure overlapped hollow floor system as claimed in claim 1, it is characterised in that be provided with the web logical
Hole, is provided with perforated rebar in the through hole.
4. assembling type steel structure overlapped hollow floor system as claimed in claim 1, it is characterised in that the assembled hollow building cover
Upper surface is higher than the 50 ~ 120mm of girder steel top flange or concordant therewith.
5. assembling type steel structure overlapped hollow floor system as claimed in claim 1, it is characterised in that the prefabricated panel is in factory
Prefabricated, it is made up of concrete, reinforcement and stirrup；Notch is left in prefabricated panel both sides, and the notch is highly the girder steel
Lower flange thickness adds 10 ~ 30mm；Width of rebate is 20 ~ 60mm.
6. assembling type steel structure overlapped hollow floor system as claimed in claim 1, it is characterised in that the girt strip be yi word pattern or
Groined type, is formed by concreting, is provided with stirrup in girt strip；The girt strip is overall with the prefabricated panel pre- in factory
System, or pour at the scene and form.
7. assembling type steel structure overlapped hollow floor system as claimed in claim 1, it is characterised in that the cast-in-place concrete layer exists
Cast in situs is formed, and is configured with two-way concrete slab net in the cast-in-place concrete layer.
8. assembling type steel structure overlapped hollow floor system as claimed in claim 1, it is characterised in that the obturator be box-shaped or
Bar shaped；It is arranged above the prefabricated panel, in the grid that the rib is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620938102.2U CN206016007U (en) | 2016-08-25 | 2016-08-25 | A kind of assembling type steel structure overlapped hollow floor system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620938102.2U CN206016007U (en) | 2016-08-25 | 2016-08-25 | A kind of assembling type steel structure overlapped hollow floor system |
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| CN206016007U true CN206016007U (en) | 2017-03-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106088434A (en) * | 2016-08-25 | 2016-11-09 | 中冶建筑研究总院有限公司 | A kind of assembling type steel structure overlapped hollow floor system and construction method thereof |
| CN108331222A (en) * | 2018-02-12 | 2018-07-27 | 北京工业大学 | A kind of Z-type connection quadrate steel pipe column-stealth beam floor assembly system |
| CN109356308A (en) * | 2018-11-26 | 2019-02-19 | 山东蓝海新能源科技有限公司 | Multi storied industrial factory building cast-in-situ hollow building roof |
| WO2020118563A1 (en) * | 2018-12-12 | 2020-06-18 | 大连理工大学 | Design and rapid construction methods for flush assembly of prefabricated steel beams and floor |
-
2016
- 2016-08-25 CN CN201620938102.2U patent/CN206016007U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106088434A (en) * | 2016-08-25 | 2016-11-09 | 中冶建筑研究总院有限公司 | A kind of assembling type steel structure overlapped hollow floor system and construction method thereof |
| CN108331222A (en) * | 2018-02-12 | 2018-07-27 | 北京工业大学 | A kind of Z-type connection quadrate steel pipe column-stealth beam floor assembly system |
| CN109356308A (en) * | 2018-11-26 | 2019-02-19 | 山东蓝海新能源科技有限公司 | Multi storied industrial factory building cast-in-situ hollow building roof |
| WO2020118563A1 (en) * | 2018-12-12 | 2020-06-18 | 大连理工大学 | Design and rapid construction methods for flush assembly of prefabricated steel beams and floor |
| US11072925B2 (en) * | 2018-12-12 | 2021-07-27 | Dalian University Of Technology | Rapid construction method for flush assembly of the prefabricated steel beam and the floor slab |
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