CN203257090U - Framework system of cantilever slab - Google Patents
Framework system of cantilever slab Download PDFInfo
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- CN203257090U CN203257090U CN 201320226656 CN201320226656U CN203257090U CN 203257090 U CN203257090 U CN 203257090U CN 201320226656 CN201320226656 CN 201320226656 CN 201320226656 U CN201320226656 U CN 201320226656U CN 203257090 U CN203257090 U CN 203257090U
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- cantilever
- floor
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Abstract
The utility model relate to a framework system of a cantilever slab. The framework system comprises a cantilever beam and a cantilever slab steel rib truss framework. The cantilever beam is inverted T-shaped steel, one longitudinal end portion of the cantilever beam is fixed to a corresponding structure frame beam of a building main body and corresponds to a secondary beam vertical to the structure frame beam, and the structure frame beam is fixed to a corresponding structure column of the building main body. The cantilever length of the inverted T-shaped steel is equal to the designed overhanging length of the cantilever slab, and the height of the inverted T-shaped steel is smaller than the designed thickness of the cantilever slab, so that long slab steel ribs can be arranged conveniently. The cantilever slab steel rib truss framework and a steel rib truss framework of the building main body are connected as a whole. The cantilever slab steel rib truss framework is fixed to the inverted T-shaped steel to support load of the cantilever slab. The framework system can bear load of newly-poured concrete during construction, reduces arrangement of supports of high-altitude cantilever slabs outside ultra-high-rise buildings, can eliminate framework supporting cost, and guarantees construction safety and quality.
Description
Technical field
The utility model belongs to building field, relates to a kind of outer template system of choosing floor that can be applicable to the super highrise building steel-concrete combined structure.
Background technology
In the prior art, super-high building structure adopts steel-concrete combined structure-tube in tube structure more.Wherein, Core Walls Structure is mainly concrete structure, and urceolus mostly is steel work, and urceolus and Core Walls Structure are linked to be integral body with girder steel, and the urceolus floor adopts girder steel and concrete building board combining structure.
The form of structure of above-mentioned super highrise building main body has determined that super highrise building usually adopts in advance construction of Core Walls Structure, and the urceolus steel work lags behind the Core Walls Structure certain altitude and follows construction; Urceolus flooring floor often adopts reinforcement bar truss mould plate as template system, then directly carries out the concrete casting build floor and gets final product, and the below is formwork again.And be accelerating construction progress, the urceolus steel work is along highly dividing more piece (construction section) graded crossing to install; This construction section reinforcement bar truss mould plate topmost is installed first behind the urceolus steel girder erection, and with the security protection as the bottom Steel Structure Installation, this moment, the setting height(from bottom) of reinforcement bar truss mould plate just had 3～4 story heights.
The outer facade of super highrise building adopts curtain wall more, so outer form of structure of choosing structure floor commonly used between outer tube structure and the curtain wall.
When outside when choosing floor slab construction, if neither one can self bear the template system of concrete and working load, just must set up the high-supported formwork system and construct; Yet the super highrise building height is large (more than the 200m), and the periphery does not arrange scaffold, choose the floor slab formerecting height outward 3～4 story heights are arranged, and there is cross-operation in levels, just have very large potential safety hazard so formwork is set up and removed, and difficulty of construction is very large.
Super highrise building in the past, design will be chosen floor arranged outside structural beams outward usually, in order to support the load of reinforcement bar truss mould plate; But this beam has influence on the use function (light of shading-block outside) of building and the installation of outer curtain wall embedded part, and the owner requires to choose floor and be designed to cantilevered plate outward, with increase outer light to the degree of depth of internal radiation and be convenient to the installation of curtain wall embedded part.
For this reason, need to provide a kind of outer template system of choosing floor, the construction of choosing floor outward to be applicable to above-mentioned super highrise building steel-concrete combined structure addresses the above problem.
Summary of the invention
The purpose of this utility model is to provide a kind of outer template system of choosing floor, it can bear the load of young concrete and construction period, reduce and choose setting up of slab form support outside the super highrise building high-altitude, thereby can exempt work and the expense of formwork, guarantee construction safety and construction quality.
For achieving the above object, the utility model adopts following technical scheme:
Choose the template system of floor outward, it comprises Cantilever Beams and chooses the floor bar truss mould plate outward;
Wherein, described Cantilever Beams is the inverted T shape steel, and the counter structure frame beam of one longitudinal end and building main body fixes, and corresponding to the secondary beam vertical with described structure frame beam, described structure frame beam is fixed in the counter structure post of described building main body; The cantilever span of described inverted T shape steel equals described outer design of choosing floor and chooses length outward, and the height of described inverted T shape steel is less than the described outer design thickness of choosing floor, in order to elongated floor bar is set;
Choosing the floor bar truss mould plate outside described is connected with the reinforcement bar truss mould plate of building main body; Choose the floor bar truss mould plate outside described and be fixed on the described inverted T shape steel, to support the outer load of choosing floor.
Preferably, the described longitudinal end of described inverted T shape steel is anchored on the described structure frame beam, and anchorage length equates with the top flange width of described structure frame beam.
The beneficial effects of the utility model are: this outer template system of choosing floor can bear the load of young concrete and construction period, a part of choosing floor outside forming after concrete setting; It reduces chooses setting up of slab form support outside the super highrise building high-altitude, thereby can exempt work and the expense of formwork, guarantees construction safety and construction quality; And strengthened outer light to the degree of depth of internal radiation and be convenient to the installation of curtain wall embedded part.
Description of drawings
Fig. 1 is the cross-sectional schematic diagram that embodiment of the utility model chooses the template system of floor outward.
Fig. 2 is the vertical profile schematic diagram that embodiment of the utility model chooses the template system of floor outward.
The specific embodiment
Introduce in detail preferred embodiment of the present utility model below in conjunction with accompanying drawing.
Shown a preferred embodiment of the present utility model among Fig. 1, Fig. 2.As shown in Figure 1 and Figure 2, this outer template system of choosing floor comprises Cantilever Beams 10 and chooses floor bar truss mould plate 20 outward.
Wherein, Cantilever Beams 10 is the inverted T shape steel, and one longitudinal end 11 is fixing with the counter structure frame beam 30 of building main body, and corresponding to the secondary beam 40 vertical with structure frame beam, structure frame beam is fixed in the counter structure post of building main body.
As shown in Figure 1, the cantilever span of inverted T shape steel 10 equals outer design of choosing floor and chooses length outward, and this inverted T shape steel 10 is anchored on the structure frame beam 30, and anchorage length equates with the top flange width of structure frame beam 30; Thereby so that the overall longitudinal length L1 of this inverted T shape steel 10 chooses the i.e. outer span of choosing floor of length L 2(outward greater than the design of choosing floor outward), strengthened and being connected of the crossbeam of building main body, strengthen supporting capacity.The height H 1 of this inverted T shape steel arranges the demand of elongated reinforcing bar less than the design thickness H2 that chooses floor outward to satisfy flooring.In the present embodiment, many Cantilever Beams are set abreast, the space D between adjacent two Cantilever Beams equates with span with the vertical secondary beam 40 of structure frame beam 30.
As shown in Figure 1, choose floor bar truss mould plate 20 for to be connected with the reinforcement bar truss mould plate of building main body outside this; Choosing floor bar truss mould plate 20 outward is fixed on the above-mentioned inverted T shape steel 10.The steel bar girder 21 of choosing floor bar truss mould plate 20 outward adopts common structure of the prior art, comprise the steel 211 that winds up, lower edge steel 212 and be connected in web member reinforcing bar 213 between the two, its connected mode as shown in Figure 1 and Figure 2, the technical data of each steel part meets design requirement, and does not specifically tire out at this and states; Certainly, in other embodiment of the utility model, other suitable reinforcement bar truss mould plates of the prior art also can use at this.
Preferably, in the utility model, choose floor bar truss mould plate 20 outside this and be fixed on the inverted T shape steel 10, be welded in inverted T shape steel 10 by the perpendicular muscle 214 of its bearing specifically.This inverted T shape steel 10 the supporting capacity that can strengthen template system is set, needn't set up the high-altitude formwork, reduced correlative charges, save man-hour, and construction is safer, construction quality is higher.
Described above only is preferred embodiment of the present utility model, certainly can not limit scope of the present utility model with this.Any equivalents and replacement for technical solutions of the utility model are all in protection domain of the present utility model.
Claims (2)
1. choose the template system of floor outward, it is characterized in that: comprise Cantilever Beams and choose the floor bar truss mould plate outward;
Wherein, described Cantilever Beams is the inverted T shape steel, and the counter structure frame beam of one longitudinal end and building main body fixes, and corresponding to the secondary beam vertical with described structure frame beam, described structure frame beam is fixed in the counter structure post of described building main body; The cantilever span of described inverted T shape steel equals described outer design of choosing floor and chooses length outward, and the height of described inverted T shape steel is less than the described outer design thickness of choosing floor, in order to elongated floor bar is set;
Choosing the floor bar truss mould plate outside described is connected with the reinforcement bar truss mould plate of building main body; Choose the floor bar truss mould plate outside described and be fixed on the described inverted T shape steel, to support the outer load of choosing floor.
2. choose as claimed in claim 1 the template system of floor outward, it is characterized in that: the described longitudinal end of described inverted T shape steel is anchored on the described structure frame beam, and anchorage length equates with the top flange width of described structure frame beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320226656 CN203257090U (en) | 2013-04-28 | 2013-04-28 | Framework system of cantilever slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320226656 CN203257090U (en) | 2013-04-28 | 2013-04-28 | Framework system of cantilever slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203257090U true CN203257090U (en) | 2013-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320226656 Expired - Fee Related CN203257090U (en) | 2013-04-28 | 2013-04-28 | Framework system of cantilever slab |
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| CN (1) | CN203257090U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064720A (en) * | 2015-07-21 | 2015-11-18 | 中铁城建集团南昌建设有限公司 | Self-supporting steel bar truss floor support plate support structure |
| CN107806174A (en) * | 2017-11-30 | 2018-03-16 | 中建钢构有限公司 | A kind of window that floats applied in assembling type steel structure building |
| CN113569344A (en) * | 2021-05-27 | 2021-10-29 | 广州建筑股份有限公司 | Mechanical model based on pulling and hanging unloading method scaffold and solving method thereof |
| CN115354798A (en) * | 2022-08-17 | 2022-11-18 | 中建一局集团建设发展有限公司 | H-shaped steel and T-shaped steel combined variable cross-section floor slab supporting structure and construction method |
| CN116411708A (en) * | 2023-03-31 | 2023-07-11 | 上海宝冶集团有限公司 | Mold-removing-free construction method for outer picking end of fabricated floor support plate |
-
2013
- 2013-04-28 CN CN 201320226656 patent/CN203257090U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064720A (en) * | 2015-07-21 | 2015-11-18 | 中铁城建集团南昌建设有限公司 | Self-supporting steel bar truss floor support plate support structure |
| CN105064720B (en) * | 2015-07-21 | 2017-05-17 | 中铁城建集团南昌建设有限公司 | Self-supporting steel bar truss floor support plate support structure |
| CN107806174A (en) * | 2017-11-30 | 2018-03-16 | 中建钢构有限公司 | A kind of window that floats applied in assembling type steel structure building |
| CN113569344A (en) * | 2021-05-27 | 2021-10-29 | 广州建筑股份有限公司 | Mechanical model based on pulling and hanging unloading method scaffold and solving method thereof |
| CN113569344B (en) * | 2021-05-27 | 2022-06-03 | 广州建筑股份有限公司 | Mechanical model based on pulling and hanging unloading method scaffold and solving method thereof |
| CN115354798A (en) * | 2022-08-17 | 2022-11-18 | 中建一局集团建设发展有限公司 | H-shaped steel and T-shaped steel combined variable cross-section floor slab supporting structure and construction method |
| CN115354798B (en) * | 2022-08-17 | 2024-04-09 | 中建一局集团建设发展有限公司 | Variable cross-section floor slab supporting structure combining H-shaped steel and T-shaped steel and construction method |
| CN116411708A (en) * | 2023-03-31 | 2023-07-11 | 上海宝冶集团有限公司 | Mold-removing-free construction method for outer picking end of fabricated floor support plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 |