CN205712733U - Super-section strengthening concrete conversion beam formwork system - Google Patents

Super-section strengthening concrete conversion beam formwork system Download PDF

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Publication number
CN205712733U
CN205712733U CN201620248013.5U CN201620248013U CN205712733U CN 205712733 U CN205712733 U CN 205712733U CN 201620248013 U CN201620248013 U CN 201620248013U CN 205712733 U CN205712733 U CN 205712733U
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China
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section steel
conversion
steel beam
conversion beam
section
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Expired - Fee Related
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CN201620248013.5U
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Chinese (zh)
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王新泉
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CITIC Guoan Construction Group Co Ltd
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Hangzhou Jiangrun Technology Co Ltd
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Abstract

This utility model relates to super-section strengthening concrete conversion beam formwork system, it includes Liang Ge lower floor stiffened column shaped steel, section steel beam limit unit, beam-to-column joint plate and a section steel beam temporary location, beam-to-column joint plate is weldingly fixed on lower floor's stiffened column section steel flange, unit one end, section steel beam limit is connected with beam-to-column joint plate, the other end is fixing with section steel beam temporary location to be connected, on section steel beam limit unit and section steel beam temporary location, it is respectively adopted section steel beam edge of a wing connecting plate between lower flange and the edge of a wing connects high-strength bolt and connects fixing, shaped steel top flange is arranged above conversion beam upper strata floor, it it is conversion beam lower floor floor below lower flange, it is provided with conversion beam bed die below conversion beam lower floor floor.This utility model utilizes screw rod to connect channel steel support beam and the edge of a wing under conversion beam bed die, the load making whole concreting produce is delivered on section steel beam, and its whole formwork system fully relies on section steel beam, improves efficiency of construction, not having setting up of extra support, construction cost is substantially reduced.

Description

Super-section strengthening concrete conversion beam formwork system
Technical field
This utility model belongs to heavy in section strengthening concrete beam technical field of construction, is specifically related to super-section strengthening concrete conversion beam formwork system.
Background technology
Along with modern high-rise building more develops to multi-functional and comprehensive purposes, skyscraper with transferred floor design is on the increase, what statistics showed to have in skyscraper conversion layer structure accounts for about 80%, strengthening concrete conversion beam is used in the public building of large span the most more and more as the common structure of conversion layer, and this structure has that span is big, rigidity big, intensity advantages of higher.
Steel section member is wrapped in concrete as stiff skeleton after installing, and compared with prestressed structure, decreases the operation such as Shi Hanzhang, anchoring locking, compared with steel construction, substantially increases fire protecting performance.It is then additionally that normal concrete structure is incomparable in terms of rigidity, improve building significantly and support earthquake-resistant ability, but transfer structure for SRC beams line load is the biggest, as used the support of routine that disposable Meteorological can be caused more, the consolidation process supporting lower stress position is the most more complicated.And the reinforcing bar binding of section beam and concreting are not easy to ensure according to generally conventional construction method its quality that carries out constructing.
In consideration of it, how to solve a super-section strengthening concrete conversion beam pouring construction difficult problem by some technical measures, it it is a problem needing solution badly.
Utility model content
High for solving operating expenses in prior art, challenge of constructing, the purpose of this utility model is to provide super-section strengthening concrete conversion beam formwork system.
nullDescribed super-section strengthening concrete conversion beam formwork system,Including Liang Ge lower floor stiffened column shaped steel、Two section steel beam limit unit、Two beam-to-column joint plates and a section steel beam temporary location,Lower floor's stiffened column shaped steel is fixed on lower floor's stiffened column,It is characterized in that each beam-to-column joint plate is weldingly fixed on lower floor's stiffened column section steel flange,End, unit one end, section steel beam limit web is connected with beam-to-column joint plate by high-strength bolt,Unit other end end, section steel beam limit web is connected by high-strength bolt and section steel beam temporary location are fixing by section steel beam web connecting plate,On described section steel beam limit unit and section steel beam temporary location、It is respectively adopted section steel beam edge of a wing connecting plate between lower flange and the edge of a wing connects high-strength bolt and connects fixing,Section steel beam limit unit and section steel beam temporary location top flange are arranged above conversion beam upper strata floor,It it is conversion beam lower floor floor below lower flange,It is provided with conversion beam bed die below conversion beam lower floor floor,Conversion beam bed die is connected with lower flange by vertical Screw arbor with nut at both-ends and screw rod fastening bolt,Conversion beam side form is arranged on conversion beam bed die both sides,Conversion beam side form both sides are installed lateral brace and are supported.
Described super-section strengthening concrete conversion beam formwork system, it is characterised in that described lower floor stiffened column shaped steel is provided with lower floor's stiffened column ribbed stiffener, section steel beam limit unit and section steel beam temporary location and is provided with section steel beam ribbed stiffener.
Described super-section strengthening concrete conversion beam formwork system, before it is characterized in that described conversion beam bed die is installed, the lower weld conversion beam edge of a wing, lower flange backing plate, conversion beam edge of a wing backing plate is fixed by vertical Screw arbor with nut at both-ends, it is welded with edge of a wing short stiffener on the unit of section steel beam limit, short stiffener one end, the edge of a wing is fixed on the unit of section steel beam limit, and the other end is fixed on vertical Screw arbor with nut at both-ends embedded hole both sides.
Described super-section strengthening concrete conversion beam formwork system, it is characterized in that described lateral brace is supported termination and is fixed on connection pedestal by joint steel pipe, fastener and foundation bolt, connect pedestal to be arranged on conversion beam side form and conversion beam bed die, lateral brace is supported and fixed on conversion beam side form and conversion beam bed die.
By using above-mentioned technology, compared with prior art, the beneficial effects of the utility model are:
1) this utility model is by section steel beam in fixed conversion beam in advance, utilizes section steel beam as the support beam of conversion beam template formwork, eliminates conversion beam bed die extra support and set up, simplify construction process;
2) this utility model connects welding short stiffener in screw rod both sides on the section steel beam edge of a wing, screw rod is utilized to connect channel steel support beam and the edge of a wing under conversion beam bed die, the load making whole concreting produce is delivered on section steel beam, takes full advantage of the big rigidity of existing section steel beam, improves efficiency of construction;
3) the whole formwork system of this utility model fully relies on section steel beam, does not has setting up of extra support, and construction cost is substantially reduced.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation;
Fig. 2 is this utility model cross section structure schematic diagram;
Fig. 3 is conversion beam section structure enlarged diagram;
Fig. 4 is construction flow chart;
In figure: 1. lower floor's stiffened column;2. lower floor's stiffened column shaped steel;3. lower floor's stiffened column ribbed stiffener;4. beam-to-column joint plate;5. high-strength bolt;6. section steel beam limit unit;7. section steel beam temporary location;8. section steel beam web connecting plate;9. section steel beam ribbed stiffener;10. section steel beam edge of a wing connecting plate;11. edges of a wing connect high-strength bolt;12. vertical Screw arbor with nut at both-ends;13. conversion beam bed dies;14. conversion beam edge of a wing backing plates;15. conversion beam stirrups;16. lateral braces support;17. screw rod fastening bolts;18. conversion beam side forms;19. upper strata floor bottom moulds;20. flitches;21. shuttering supporting channel-section steels;22. edge of a wing short stiffeners;23. conversion beam lower floor floors;24. conversion beam upper strata floors;25. joint steel pipes;26. fasteners;27. connect pedestal;28. foundation bolts.
Detailed description of the invention
Below in conjunction with Figure of description, the utility model will be further described, but protection domain of the present utility model is not limited to that:
As Figure 1-3, super-section strengthening concrete conversion beam formwork system of the present utility model, including Liang Ge lower floor stiffened column shaped steel 2, two section steel beam limit unit 6, two beam-to-column joint plates 4 and a section steel beam temporary location 7, lower floor's stiffened column shaped steel 2 is fixed on lower floor's stiffened column 1, each beam-to-column joint plate 4 is weldingly fixed on lower floor's stiffened column shaped steel 2 edge of a wing, one of them end, unit 6 one end, section steel beam limit web is connected with a beam-to-column joint plate 4 by high-strength bolt 5, this unit 6 other end end, section steel beam limit web is connected by high-strength bolt 5 and section steel beam temporary location 7 one coxostermum are fixing by section steel beam web connecting plate 8;nullAnother end, unit 6 one end, section steel beam limit web is connected with another beam-to-column joint plate 4 by high-strength bolt 5,This unit 6 other end end, section steel beam limit web is connected by high-strength bolt 5 and section steel beam temporary location 7 opposite side web are fixing by section steel beam web connecting plate 8,On described section steel beam limit unit 6 and section steel beam temporary location 7、It is respectively adopted section steel beam edge of a wing connecting plate 10 between lower flange and the edge of a wing connects high-strength bolt 11 and connects fixing,Section steel beam limit unit 6 and section steel beam temporary location 7 top flange are arranged above conversion beam upper strata floor 24,It it is conversion beam lower floor floor 23 below lower flange,It is provided with conversion beam bed die 13 below conversion beam lower floor floor 23,Conversion beam bed die 13 is connected with lower flange by vertical Screw arbor with nut at both-ends 12 and screw rod fastening bolt 17,Conversion beam side form 18 is arranged on conversion beam bed die 13 both sides,Conversion beam side form 18 both sides are installed lateral brace and are supported 16,Before conversion beam bed die 13 is installed,The lower weld conversion beam edge of a wing, lower flange backing plate 14,Conversion beam edge of a wing backing plate 14 is fixed by vertical Screw arbor with nut at both-ends 12,It is welded with edge of a wing short stiffener 22 on section steel beam limit unit 6,Edge of a wing short stiffener 22 one end is fixed on section steel beam limit unit 6,The other end is fixed on vertical Screw arbor with nut at both-ends 12 embedded hole both sides.
In order to increase stability and the fastness of structure, this utility model is provided with lower floor's stiffened column ribbed stiffener 3 on lower floor's stiffened column shaped steel 2, and section steel beam limit unit 6 and section steel beam temporary location 7 are provided with section steel beam ribbed stiffener 9.
As shown in Figure 2, described lateral brace is supported 16 terminations and is fixed on connection pedestal 27 by joint steel pipe 25, fastener 26 and foundation bolt 28, connect pedestal 27 to be arranged on conversion beam side form 18 and conversion beam bed die 13, lateral brace support 16 is fixed on conversion beam side form 18 and conversion beam bed die 13.
As shown in the figure, beam-to-column joint plate 4 trihedral angle weld seam of the present utility model is welded at lower floor's stiffened column shaped steel 2 edge of a wing, beam-to-column joint plate 4 position is lower floor's stiffened column shaped steel 2 web correspondence position both sides, it is arranged symmetrically, centre reserves the space more than section steel beam web size 1-2mm, the thickness of beam-to-column joint plate 4 and section steel beam web uniform thickness, shearing bolt quantity the detailing requiments of joint bolt and gusset plate that the design shear that length is transmitted according to section steel beam determines determine, the thickness of section steel beam web connecting plate 8 and the determination of length are with beam-to-column joint plate 4.Described section steel beam edge of a wing connecting plate 10 takes section steel beam edge of a wing thickness, and the calculation of Bending Moment that length and width size is designed by two concatenation units determines, the quantity joint bolt of high-strength bolt 5 and the detailing requiments of gusset plate determine.Described high-strength bolt 5 is all according to size quantification and the size of design power.Described vertical Screw arbor with nut at both-ends 12 determines model according to design load during concreting, position is taken as shaped-steel-beam upper wing-edge outermost and contracts inward nearly 3-5mm, it is arranged symmetrically, conversion beam edge of a wing backing plate 14 thickness takes less 2-3mm than shaped-steel-beam upper wing-edge thickness, and length is on the basis of covering vertical Screw arbor with nut at both-ends 12 position 2mm.Described edge of a wing short stiffener 22 lateral length is as the criterion not less than shaped-steel-beam upper wing-edge 1-2mm, and vertical extension is not less than the 1/4 of section steel beam web height, and thickness is not less than section steel beam web thickness 2mm.
Not stating tired in these enforcements such as present embodiment welding for steel structure technique, bolt connection construction technique, template-setup technique and concrete pouring construction technique, emphasis illustrates that this utility model relates to the embodiment of structure.
As shown in Figure 4, during this utility model construction, it mainly includes following construction procedure:
1) built-in fitting section steel beam edge of a wing connecting plate 10 and edge of a wing connection high-strength bolt 11 are pre-installed on girder steel temporary location 7 or section steel beam limit unit 6 by the installation of built-in fitting;
null2) shaped steel unit lifting is installed: first install beam column connecting plate 4 on lower floor's stiffened column shaped steel 2 edge of a wing,And on beam-to-column joint plate 4, offer bolt hole in advance,Section steel beam limit unit 6 and section steel beam temporary location 7 offer embedded hole at lower flange,Section steel beam limit unit 6 hangs stirrup,The most first lifting section steel beam limit, both sides unit 6,It is connected with lower floor's stiffened column shaped steel 2 edge of a wing by beam-to-column joint plate 4 respectively,Lift section steel beam temporary location 7 again,The other end web of section steel beam limit, both sides unit 6 is connected by section steel beam web connecting plate 8 with 7 liang of coxostermums of section steel beam temporary location respectively,Section steel beam limit, both sides unit 6 upper、Lower flange respectively with on adjacent section steel beam temporary location 7、Lower flange connects high-strength bolt 11 by section steel beam edge of a wing connecting plate 10 and the edge of a wing and connects,The i.e. top flange of section steel beam limit unit 6 is connected with section steel beam temporary location 7 top flange,Both lower flanges connect;
3) conversion beam bed die is installed: first install conversion beam bed die 13 to design attitude, channel-section steel 21 is supported at conversion beam bed die 13 bottom correspondence position installation form, it is connected fixing with the lower flange of section steel beam for shuttering supporting channel-section steel 21 by vertical Screw arbor with nut at both-ends 12, and use screw rod fastening bolt 17 to fix, this utility model is before conversion beam bed die 13 is installed, the lower weld conversion beam edge of a wing, the lower flange backing plate 14 of beam type steel, conversion beam edge of a wing backing plate 14 is fixed by vertical Screw arbor with nut at both-ends 12, it is welded with edge of a wing short stiffener 22 on section steel beam limit unit 6, edge of a wing short stiffener 22 one end is fixed on section steel beam limit unit 6, the other end is fixed on vertical Screw arbor with nut at both-ends 12 embedded hole both sides;
4) conversion beam side form is installed: lifting conversion beam side form 18 to design attitude, conversion beam side form 18 is fixed with conversion beam bed die 13, conversion beam side form 18 both sides are installed lateral brace and are supported 16, described lateral brace supports 16 terminations, two ends and is separately fixed on conversion beam side form 18 and conversion beam bed die 13, being respectively mounted connection pedestal 27 on conversion beam side form 18 and conversion beam bed die 13, lateral brace is supported the termination of 16 and is fixed on connection pedestal 27 by joint steel pipe 25, fastener 26 and foundation bolt 28 respectively;
5) conversion beam reinforcing bar binding: first colligation conversion beam stirrup 15 and distributing bar, then colligation indulges muscle;
6) concreting in lifts: first casting concrete pushes up position to conversion beam lower floor floor 23, it is layered before concrete initial set and upwards pours, pour distance before and after upper strata and lower floor and should be maintained at more than 1.5m, i.e. every layer pours height at least 1.5m, it is preferably 1.5-2m, finally pours to conversion beam upper strata floor 24 and push up position;
7) form removable: after concrete strength to be cast reaches collapsible die intensity, by form removable.

Claims (4)

  1. null1. super-section strengthening concrete conversion beam formwork system,Including Liang Ge lower floor stiffened column shaped steel (2)、Two section steel beam limits unit (6)、Two beam-to-column joint plates (4) and a section steel beam temporary location (7),Lower floor's stiffened column shaped steel (2) is fixed on lower floor's stiffened column (1),It is characterized in that each beam-to-column joint plate (4) is weldingly fixed on lower floor stiffened column shaped steel (2) edge of a wing,Unit (6) end, one end, section steel beam limit web is connected with beam-to-column joint plate (4) by high-strength bolt (5),Unit (6) other end end, section steel beam limit web is connected by high-strength bolt (5) and section steel beam temporary location (7) are fixing by section steel beam web connecting plate (8),On described section steel beam limit unit (6) and section steel beam temporary location (7)、It is respectively adopted section steel beam edge of a wing connecting plate (10) and the edge of a wing between lower flange to connect high-strength bolt (11) and connect fixing,Section steel beam limit unit (6) and section steel beam temporary location (7) top flange are arranged above conversion beam upper strata floor (24),It it is conversion beam lower floor floor (23) below lower flange,Conversion beam lower floor floor (23) lower section is provided with conversion beam bed die (13),Conversion beam bed die (13) is connected with lower flange by vertical Screw arbor with nut at both-ends (12) and screw rod fastening bolt (17),Conversion beam side form (18) is arranged on conversion beam bed die (13) both sides,Conversion beam side form (18) both sides are installed lateral brace and are supported (16).
  2. Super-section strengthening concrete conversion beam formwork system the most according to claim 1, it is characterized in that described lower floor's stiffened column shaped steel (2) is provided with lower floor's stiffened column ribbed stiffener (3), section steel beam limit unit (6) and section steel beam temporary location (7) and is provided with section steel beam ribbed stiffener (9).
  3. Super-section strengthening concrete conversion beam formwork system the most according to claim 1, before it is characterized in that described conversion beam bed die (13) is installed, the lower weld conversion beam edge of a wing, lower flange backing plate (14), conversion beam edge of a wing backing plate (14) is fixed by vertical Screw arbor with nut at both-ends (12), edge of a wing short stiffener (22) it is welded with on section steel beam limit unit (6), edge of a wing short stiffener (22) one end is fixed on section steel beam limit unit (6), and the other end is fixed on vertical Screw arbor with nut at both-ends (12) embedded hole both sides.
  4. Super-section strengthening concrete conversion beam formwork system the most according to claim 1, it is characterized in that described lateral brace is supported (16) termination and is fixed in connection pedestal (27) by joint steel pipe (25), fastener (26) and foundation bolt (28), connect pedestal (27) to be arranged on conversion beam side form (18) and conversion beam bed die (13), lateral brace support (16) is fixed on conversion beam side form (18) and conversion beam bed die (13).
CN201620248013.5U 2016-03-29 2016-03-29 Super-section strengthening concrete conversion beam formwork system Expired - Fee Related CN205712733U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201620248013.5U CN205712733U (en) 2016-03-29 2016-03-29 Super-section strengthening concrete conversion beam formwork system

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111910766A (en) * 2020-09-02 2020-11-10 中国建筑第五工程局有限公司 Section steel structure of giant large-span stiff concrete and construction method
CN114482403A (en) * 2022-03-01 2022-05-13 中国建筑第八工程局有限公司 Construction method of large-section stiff support column conversion beam in narrow space
CN115492389A (en) * 2022-10-25 2022-12-20 中铁广州工程局集团有限公司 Construction method of large-section ultrahigh transfer beam

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111910766A (en) * 2020-09-02 2020-11-10 中国建筑第五工程局有限公司 Section steel structure of giant large-span stiff concrete and construction method
CN114482403A (en) * 2022-03-01 2022-05-13 中国建筑第八工程局有限公司 Construction method of large-section stiff support column conversion beam in narrow space
CN114482403B (en) * 2022-03-01 2023-09-01 中国建筑第八工程局有限公司 Construction method of large-section stiff support column conversion beam in narrow space
CN115492389A (en) * 2022-10-25 2022-12-20 中铁广州工程局集团有限公司 Construction method of large-section ultrahigh transfer beam
CN115492389B (en) * 2022-10-25 2023-12-19 中铁广州工程局集团有限公司 Construction method of large-section ultrahigh conversion beam

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Xiao Bo

Inventor after: Wang Yongchun

Inventor after: Liu Qiaobo

Inventor after: Liu Yang

Inventor before: Wang Xinquan

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20180329

Address after: 610046 Sichuan city of Chengdu province Wuhou District grass Golden Road No. 9

Patentee after: CITIC GUOAN CONSTRUCTION GROUP Co.,Ltd.

Address before: 310015 Hangzhou, Gongshu District Wanda Commercial Center, building 3, room 3, unit 1901, room

Patentee before: HANGZHOU JIANGRUN TECHNOLOGY Ltd.

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: 20161123