CN102418416B - Long-slab-span steel beam cast-in-situ floor formwork system - Google Patents
Long-slab-span steel beam cast-in-situ floor formwork system Download PDFInfo
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- CN102418416B CN102418416B CN201010297703.7A CN201010297703A CN102418416B CN 102418416 B CN102418416 B CN 102418416B CN 201010297703 A CN201010297703 A CN 201010297703A CN 102418416 B CN102418416 B CN 102418416B
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- steel
- adjustable
- truss
- formwork system
- steel beam
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 77
- 239000010959 steel Substances 0.000 title claims abstract description 77
- 238000009415 formwork Methods 0.000 title claims abstract description 34
- 238000011065 in-situ storage Methods 0.000 title abstract description 4
- 239000002131 composite material Substances 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000003351 stiffener Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 6
- 239000004567 concrete Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000009416 shuttering Methods 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a long-slab-span steel beam cast-in-situ floor formwork system, which comprises a floor template, an adjustable truss and an adjustable placement support seat for supporting the adjustable truss, wherein a grille is laid on the adjustable truss; the floor template is laid on the grille; the adjustable placement support seat is arranged on a lower flange of a transverse H-shaped steel beam; and the adjustable truss is a telescopic combined truss and is connected with the upper end of the adjustable placement support seat. Compared with the conventional normal truss formwork system, the long-slab-span steel beam cast-in-situ floor formwork system provided according to the invention has the advantages of adjustable span, adjustable height and suitability for different beam heights; the adaptability of the truss is greatly improved; and the formwork cost is greatly lowered.
Description
Technical field
The present invention relates to a kind of building system, particularly a kind of large plate is across steel beam cast-in-place floor formwork system.
Background technology
Conventionally floor props up and touches employing full hall scaffold, and scaffold generally adopts steel pipe scaffold or wrist buckle type scaffold, all needs horizon bar in length and breadth to connect, and stablizes ensureing.And the setting of horizontal brace, bridging, can bring construction passage inconvenience, install and remove loaded down with trivial details, increase circulation material quantity, strengthen the problems such as cost.
Be CN2617859 in order to address the above problem notification number, the Chinese utility model patent that name is called " truss supporting template systems " discloses a kind of truss supporting template systems, two ends are shelved on mounted steel work girder steel, comprise several rows truss, fixed vertical be arranged at the some wood joists on truss and be layed in truss and wood joist on panel.It adopts truss support slab form to reduce in a large number consumption and the vertical transport of template and support for shuttering, and the construction of lower-layer concrete flooring is not limited by upper strata concrete building surface construction, can synchronously carry out floor concrete construction, greatly shorten construction period, but it can not regulate length according to different floor span, poor for applicability, formwork cost is high.
In order to solve highly uncontrollable problem, notification number is CN201103247, the Chinese utility model patent that name is called " adjustable steel support " discloses a kind of floor horizontal shuttering support, especially a kind of adjustable steel support that is applicable to high residential building floor height 2700～3000, thickness of slab 100～180 floor slab formerectings.Comprise support post, adjustable supports, described support post is steel tubular structure, and its lower end and backing board are welded and fixed, and are welded with floor between the two, and its upper end is welded with mounting plate, has hole in the middle of this mounting plate; Described adjustable supports by U holder, with U holder be one screw mandrel, regulate a silk cap to form, screw mandrel is inserted in support post by perforate in the middle of mounting plate, regulates a cap that adjustable supports is adjusted to locking positioning after proper height it on.Although this patent of invention has solved highly nonadjustable problem, adapt to the in-situ reinforced concrete slab shuttering supporting engineering of different floor heights, different thicknesss of slab, applicability is stronger.But because needs meet certain rigidity, so the volume of whole " adjustable steel support " is larger, weight is heavier, install and mobile inconvenience.
Summary of the invention:
Technical problem to be solved by this invention is to overcome the deficiency of above-mentioned prior art, provides large plate that a kind of easy for installation, good stability, adjustment height, applicability are strong across steel beam cast-in-place floor formwork system.
The large plate proposing according to the present invention is across steel beam cast-in-place floor formwork system, comprise the adjustable bearing of shelving of slab form, adjustable truss and the described adjustable truss of support, on described adjustable truss, be equipped with grid, described slab form is laid on described grid, the described adjustable bearing of shelving is arranged on the bottom flange of steel I-beam, described adjustable truss is extension type composite roof truss, and described adjustable truss is connected with described adjustable upper end of shelving bearing.
Also there is following additional technical feature according to large plate provided by the invention across girder steel floor slab formerecting system:
The described adjustable bearing of shelving includes a top board, a base plate and the web that is connected described top board and bottom end, between described top board and described base plate, be also provided with stiffener, the end of described adjustable truss is connected with described top board, at least two adjusting bolts are installed on described base plate, describedly shelve the web that bearing is close to steel I-beam, described adjusting bolt is supported on the bottom flange of steel I-beam.
Described slab form is die mould steel form, and described die mould steel form is laid on described grid.
On the end of described truss, be provided with bolster, the end of described slab form is positioned at the top of described bolster, between described slab form and described bolster, is provided with plug.
Described grid is that Wooden Batten or rectangular steel pipe laying form.
Described slab form is flat formwork, and described flat formwork is laid on described grid.
Described die mould steel form is formed by polylith waveform die mould steel form overlap joint.
Described plug is rubber plug, comprise basic courses department, be formed on the closure part coordinating in described basic courses department and with described die mould steel form, described closure part is the multiple lug bosses that are formed in described basic courses department, in described basic courses department, is provided with elongated reinforcing rib along the radial direction of rubber plug.
Described steel I-beam middle part is supported with adjusting beam lower supporting rod.
The adjustable-length of described truss is 2m-5m.
According to large plate provided by the invention across girder steel floor slab formerecting system compared with prior art at least tool have the following advantages:
First, prop up compared with the system of touching across the steel beam cast-in-place floor formwork system truss common with existing employing according to large plate provided by the invention, have advantages of that span is adjustable, highly adjustable, be suitable for and different deck-moldings by adjustable for height bearing and the telescopic truss shelved, greatly improve the applicability of truss, formwork cost significantly reduces; Secondly, compared with independent employing cylinder formula adjustable support member, whole system easy installation and removal, is suitable for various floor heights, and upper strata working load can not be delivered to lower floor, and lower template can be removed in advance; Again, the present invention adopts removable die mould steel form, and recycling rate of waterused is high, in saving the wood protection forest reserves, greatly reduces formwork cost; Finally, adopt truss-like formwork method and adopt floor support plate as compared with the steel structure floor of fixed form, case bay can strengthen, thereby has reduced the steel using amount of beam.
The additional aspect advantage of the present invention will partly provide in the following description, and part will become more obvious from the following description, or recognize by practice of the present invention.
Brief description of the drawings
Above and other of the present invention aspect and advantage will become obviously and easily from the following description of the accompanying drawings of embodiments to be understood, wherein:
Fig. 1 is the overall structure schematic diagram across steel beam cast-in-place floor formwork system according to large plate provided by the invention.
Fig. 2 is according to the structural representation of shelving bearing described in provided by the invention;
Fig. 3 is the structural representation according to described rubber plug provided by the invention;
Fig. 4 is according to the structural representation of described beam lower supporting rod provided by the invention;
Fig. 5 is the structural representation according to described truss provided by the invention.
Detailed description of the invention:
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical label represents identical element from start to finish.Below by the embodiment being described with reference to the drawings, for explaining the present invention, described embodiment is exemplary, and can not be interpreted as limitation of the present invention.
Referring to shown in Fig. 1 to Fig. 5, according to large plate provided by the invention across steel beam cast-in-place floor formwork system, comprise slab form 1, adjustable truss 2 and support the adjustable bearing 3 of shelving of described truss 2, on described adjustable truss 2, be equipped with grid 9, described slab form 1 is laid on described grid 9, and the described adjustable bearing 3 of shelving is arranged on the bottom flange of steel I-beam 4.Described adjustable truss 2 is extension type composite roof truss, and described adjustable truss 2 is connected with described adjustable upper end of shelving bearing 3.The adjustable-length of described truss 2 is 2m-5m.
Arrange adjustable shelve bearing 3 make depth of beam adjustable, be suitable for and the advantage of different deck-moldings, greatly improve the applicability of adjustable truss 2, formwork cost significantly reduces; And compared with independent employing cylinder formula adjustable support member, whole system easy installation and removal, is suitable for various floor heights, and construction load in upper strata can not be delivered to lower floor, and lower template can be removed in advance.Described grid 9 is laid and is formed by Wooden Batten, can certainly be laid and be formed by rectangular steel pipe.
Shown in Fig. 1, Fig. 2, according to the abovementioned embodiments of the present invention, the described adjustable bearing 3 of shelving includes a top board 31, a base plate 32 and the web 33 that is connected described top board 31 and base plate 32 ends, between described top board 31 and described base plate 32, be also provided with stiffener 34, the end of described adjustable truss 2 is connected with described top board 31, on described base plate 32, at least two adjusting bolts 35 are installed, describedly shelve the web 33 that bearing 3 is close to steel I-beam, described adjusting bolt 35 is supported on the bottom flange of steel I-beam 4.The described height of shelving bearing 3 and can regulate self, can adjust the height of adjustable truss mounted thereto 2, so not only can control the height of slab form 1, also facilitates the installation and removal of adjustable truss 2.Meanwhile, shelve bearing 3 by setting the span of adjustable truss 3 is increased, strengthen girder steel spacing, reduce the advantage of girder steel steel using amount.
Referring to Fig. 1, Fig. 3, in the embodiment providing in the present invention, described slab form 1 is die mould template, described die mould template 1 is laid on described grid 9, on the end of described truss 2, be provided with bolster 21, the end of described slab form 1 is positioned at the top of described bolster 21, between described slab form 1 and described bolster 21, is provided with plug 5.Described die mould steel form 1 is formed by polylith waveform die mould steel form overlap joint.Slab form of the present invention adopts die mould steel form, and the number of turnover is many, and cost is low, has greatly saved timber, effectively protects forest resources.Be die mould steel form due to what adopt, between die mould steel form and bolster, have gap, easily cause concrete to flow out from gap, affect watering of floor and smash.The present invention is provided with plug 5 between die mould steel form and bolster, thereby by this gap plugging, prevents that concrete from flowing out.
Referring to Fig. 3, in the above-described embodiment providing in the present invention, described plug 5 is rubber plug, comprise basic courses department 51, be formed on the closure part 52 coordinating in described basic courses department 51 and with described die mould steel form, described closure part 52 is for being formed on the multiple lug bosses in described basic courses department, and the interior radial direction along rubber plug of described basic courses department 51 is provided with reinforcing rib 54.Rubber plug has certain elasticity, and above ribbed slab floor template 2 is pressed in time, what can make that both fit is tightr, and described reinforcing rib 54 can improve intensity and the elasticity of plug 5.
Shown in Fig. 1, Fig. 5, according to embodiments of the invention, described truss is extension type composite roof truss, and its end has takes the lead, described in take the lead and be shelved on described adjustable shelving on bearing.The present invention adopts extension type composite roof truss to adjust adjustable truss 2 according to span, makes to construct convenient.Adopt truss-like formwork method and adopt floor support plate as compared with the steel structure floor of fixed form, case bay can strengthen, thereby has reduced the steel using amount of beam.
In the another kind of embodiment providing in the present invention, described slab form is flat formwork, and described flat formwork is laid on described grid 9.Described grid 9 is laid and is formed by Wooden Batten or rectangular steel pipe.Due to being set, flat formwork can build plane floor.Other structures of the present embodiment are same as the previously described embodiments.
Referring to Fig. 1, shown in Fig. 4, according to embodiments of the invention, the lower support of described steel I-beam 4 has adjusting beam lower supporting rod 6.This beam lower supporting rod 6 can be determined the depth of beam of laying floor, and steel I-beam 4 is played a supporting role, and not only can control the height of described steel I-beam 4, and installation and removal are got up also more convenient.The altitude location of the mode that can certainly adopt other to steel I-beam 4 and girder steel is supported, even can directly prop up the mode of touching to steel I-beam 4 with scaffold.Even take up space also little so directly girder steel 4 is propped up to the mode scaffold of touching with scaffold because of the projected area of steel I-beam 4 with respect to the less employing of area of floor.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can change these embodiment, scope of the present invention is limited by claims and equivalent thereof.
Claims (9)
1. large plate is across steel beam cast-in-place floor formwork system, it is characterized in that: comprise slab form, the adjustable bearing of shelving of adjustable truss and the described adjustable truss of support, on described adjustable truss, be equipped with grid, described slab form is laid on described grid, the described adjustable bearing of shelving is arranged on the bottom flange of steel I-beam, described adjustable truss is extension type composite roof truss, described adjustable truss is connected with described adjustable upper end of shelving bearing, the described adjustable bearing of shelving includes a top board, one base plate and the web that is connected described top board and bottom end, between described top board and described base plate, be also provided with stiffener, the end of described adjustable truss is connected with described top board, at least two adjusting bolts are installed on described base plate, describedly shelve the web that bearing is close to steel I-beam, described adjusting bolt is supported on the bottom flange of steel I-beam.
2. large plate as claimed in claim 1, across steel beam cast-in-place floor formwork system, is characterized in that: described slab form is die mould steel form, and described die mould steel form is laid on described grid.
3. large plate as claimed in claim 2 is across steel beam cast-in-place floor formwork system, it is characterized in that: on the end of described truss, be provided with bolster, the end of described slab form is positioned at the top of described bolster, between described slab form and described bolster, is provided with plug.
4. large plate as claimed in claim 1, across steel beam cast-in-place floor formwork system, is characterized in that: described grid is that Wooden Batten or rectangular steel pipe laying form.
5. large plate as claimed in claim 1, across steel beam cast-in-place floor formwork system, is characterized in that: described slab form is flat formwork, and described flat formwork is laid on described grid.
6. large plate as claimed in claim 2, across steel beam cast-in-place floor formwork system, is characterized in that: described die mould steel form is formed by polylith waveform die mould steel form overlap joint.
7. large plate as claimed in claim 3 is across steel beam cast-in-place floor formwork system, it is characterized in that: described plug is rubber plug, comprise basic courses department, be formed on the closure part coordinating in described basic courses department and with described die mould steel form, described closure part is the multiple lug bosses that are formed in described basic courses department, in described basic courses department, is provided with elongated reinforcing rib along the radial direction of rubber plug.
8. large plate as claimed in claim 1, across steel beam cast-in-place floor formwork system, is characterized in that: described steel I-beam middle part is supported with adjusting beam lower supporting rod.
9. large plate as claimed in claim 1, across steel beam cast-in-place floor formwork system, is characterized in that: the adjustable-length of described truss is 2m-5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010297703.7A CN102418416B (en) | 2010-09-28 | 2010-09-28 | Long-slab-span steel beam cast-in-situ floor formwork system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010297703.7A CN102418416B (en) | 2010-09-28 | 2010-09-28 | Long-slab-span steel beam cast-in-situ floor formwork system |
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| Publication Number | Publication Date |
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| CN102418416A CN102418416A (en) | 2012-04-18 |
| CN102418416B true CN102418416B (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010297703.7A Active CN102418416B (en) | 2010-09-28 | 2010-09-28 | Long-slab-span steel beam cast-in-situ floor formwork system |
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| CN103806646B (en) * | 2014-02-18 | 2016-04-27 | 中国建筑股份有限公司 | Early-dismantling construction method for three-dimensional space size-adjustable template |
| CN106437112A (en) * | 2016-11-28 | 2017-02-22 | 昆山征途建筑模架应用技术有限公司 | Adjustable truss independent supporting system |
| CN108442691A (en) * | 2018-02-07 | 2018-08-24 | 中国核电工程有限公司 | A kind of quick method for supporting of reusable floor slab construction |
| CN108412202A (en) * | 2018-05-11 | 2018-08-17 | 上海建工四建集团有限公司 | Floor plates formwork system and its construction method being set on girder steel lower flange |
| CN110439284A (en) * | 2019-07-23 | 2019-11-12 | 孟令红 | A kind of steel construction formwork |
| CN110593556A (en) * | 2019-10-16 | 2019-12-20 | 深汕特别合作区磐汩新材料有限公司 | Grid combined formwork system |
| CN113513151A (en) * | 2021-06-29 | 2021-10-19 | 李新华 | Floor slab framework, floor slab and manufacturing method thereof |
| CN113668850B (en) * | 2021-07-28 | 2022-10-28 | 中国建筑一局(集团)有限公司 | Steel beam holding supporting system of formwork support frame and construction method thereof |
| CN115126225B (en) * | 2022-06-30 | 2023-11-07 | 陕西帕源路桥建设有限公司 | Floor template supporting component |
| CN116145947A (en) * | 2023-02-22 | 2023-05-23 | 中国一冶集团有限公司 | Cast-in-situ floor supporting system with steel structure |
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|---|---|---|---|---|
| EP0092694A2 (en) * | 1982-04-22 | 1983-11-02 | Emil Steidle GmbH. & Co. | Shuttering system for ceilings |
| CN2539618Y (en) * | 2002-05-07 | 2003-03-12 | 吴树瑜 | Shuttering for working wall board |
| CN2556306Y (en) * | 2002-07-02 | 2003-06-18 | 郭绍君 | Combined bracnig frame |
| CN2580029Y (en) * | 2002-10-18 | 2003-10-15 | 浙江杭萧钢构股份有限公司 | Adjustable building surface steel formwork support combined piece |
| CN2617859Y (en) * | 2003-05-14 | 2004-05-26 | 上海市第七建筑有限公司 | Truss supporting template systems |
| CN200985640Y (en) * | 2006-12-13 | 2007-12-05 | 黄振熙 | Tools type supporting steel frame |
| CN101694127A (en) * | 2009-10-22 | 2010-04-14 | 浙江大学 | Formwork support system for steel frame structure cast-in-place concrete floorslabs |
| CN201794298U (en) * | 2010-09-28 | 2011-04-13 | 杨峰 | Mould erecting system of large-slab span steel beam cast-in-place floor slab |
-
2010
- 2010-09-28 CN CN201010297703.7A patent/CN102418416B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0092694A2 (en) * | 1982-04-22 | 1983-11-02 | Emil Steidle GmbH. & Co. | Shuttering system for ceilings |
| CN2539618Y (en) * | 2002-05-07 | 2003-03-12 | 吴树瑜 | Shuttering for working wall board |
| CN2556306Y (en) * | 2002-07-02 | 2003-06-18 | 郭绍君 | Combined bracnig frame |
| CN2580029Y (en) * | 2002-10-18 | 2003-10-15 | 浙江杭萧钢构股份有限公司 | Adjustable building surface steel formwork support combined piece |
| CN2617859Y (en) * | 2003-05-14 | 2004-05-26 | 上海市第七建筑有限公司 | Truss supporting template systems |
| CN200985640Y (en) * | 2006-12-13 | 2007-12-05 | 黄振熙 | Tools type supporting steel frame |
| CN101694127A (en) * | 2009-10-22 | 2010-04-14 | 浙江大学 | Formwork support system for steel frame structure cast-in-place concrete floorslabs |
| CN201794298U (en) * | 2010-09-28 | 2011-04-13 | 杨峰 | Mould erecting system of large-slab span steel beam cast-in-place floor slab |
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| CN102418416A (en) | 2012-04-18 |
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Effective date of registration: 20170220 Address after: East Backstreet Haishu District 315000 Zhejiang province Ningbo City No. 8 Room 201 Patentee after: Yang Feng Address before: 312000 Zhejiang Province, Shaoxing Zhongxing Road No. 339 building Huahui Changan Patentee before: Yang Feng Patentee before: Huahui Engineering Design Group Co., Ltd. |