CN203066350U - New-type combined beam externally coated with steel and concrete - Google Patents
New-type combined beam externally coated with steel and concrete Download PDFInfo
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- CN203066350U CN203066350U CN 201220755504 CN201220755504U CN203066350U CN 203066350 U CN203066350 U CN 203066350U CN 201220755504 CN201220755504 CN 201220755504 CN 201220755504 U CN201220755504 U CN 201220755504U CN 203066350 U CN203066350 U CN 203066350U
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Abstract
The utility model discloses a new-type combined beam externally coated with steel and concrete. The new-type combined beam externally coated with the steel and the concrete, disclosed by the utility model, comprises a lower C-shaped steel beam, wherein a pressed-type steel plate is fixedly arranged at the upper flange of the C-shaped steel beam; and a combined beam is formed by integrally pouring the concrete in a beam rib of the C-shaped steel beam and a surface layer of the pressed-type steel plate. The new-type combined beam externally coated with the steel and the concrete, disclosed by the utility model, has the advantages of being simple in structure, strong in combination effect and fast and convenient to construct, realizing the industrialization production, being obvious in economical effect and wide in application range in civil architecture floor structures and playing a good role of promoting the housing industrialization.
Description
Technical field
The utility model belongs to the building structure technology field, is specifically related to a kind of novel outsourcing steel-concrete composite beam of producing at the building housing industrialization.
Background technology
Existing application mainly contains light steel-concrete composite beam in the outsourcing steel-concrete composite beam form of structure of building structure field, the thick base plate steel-concrete composite beam of hat section steel-concrete composite beam and outsourcing.
Wherein light steel-concrete composite beam is the Z-shaped or synthetic outsourcing girder steel of C shape steel soldering group of cold bending thin wall that adopts roll coil of strip limit, portion and top flange concreting form compound beam within it then, the characteristics of this form of structure be utilize the bottom surface of girder steel and side with crimping guarantee adhesive property between outsourcing girder steel and the concrete, but the member section size is subjected to the restriction of light gauge cold-formed steel shape specification, total bearing capacity is less, the welding job amount of outsourcing girder steel own is big, and the light-gauge steel section welding easily produces bigger residual stress and permanent set, and engineering practicability is restricted.
The hat section steel-concrete composite beam is that employing monoblock light-gauge steel section is welded into or clod wash becomes U-shaped cross section as the outsourcing girder steel, turn up and form the hat section in girder steel side plate top flange, pouring concrete forms compound beam in portion and the top flange within it, the shear connector (peg or angle steel) that this form of structure requires sufficient amount is set guarantees the co-operation between hat girder steel and the concrete, the top flange welding of shear connector and girder steel, comparatively time-consuming, and welding quality is difficult for guaranteeing.
And the thick base plate steel-concrete composite beam of outsourcing is to do base plate with thicker steel plate, web adopts light gauge cold-formed steel shape, both are connected to form U-shaped outsourcing girder steel by weld seam, portion and top flange concreting form compound beam within it, the characteristics of this structure are to adopt thicker steel plate to do the tension base plate, be conducive to increase the cross section bearing capacity of member, be applicable to the member that span is bigger, but the welding job amount of side plate and base plate is relatively large, compound action between outsourcing girder steel and the concrete also mainly realizes that by shear connector is set the construction technology of compound beam is comparatively complicated.
The utility model content
The welding job amount that exists at above-mentioned outsourcing steel-concrete composite beam is big, shear connector arranges comparatively complicated problems, the purpose of this utility model is to provide a kind of convenient formation, easy construction, economic and practical, as can to realize industrialization production novel compound beam.
The utility model is achieved through the following technical solutions:
A kind of novel outsourcing steel-concrete composite beam, described compound beam comprises the C section steel beam of bottom, and profiled sheet is fixedly set in the top flange of C section steel beam, and in the beam rib of described C section steel beam, and profiled sheet surface layer monobloc cast concrete forms compound beam.
Described C section steel beam adopts the checkered steel plate clod wash to make, and C section steel beam inner surface is laid with decorative pattern sample projection.
Described profiled sheet is fixed in the top flange of C section steel beam by screw nut assembly.
Screw rod two ends in the described screw nut assembly are stretched into respectively in the beam rib of the monobloc cast concrete on top and bottom.
Horizontally set structure tie rod on the described C section steel beam top flange, described structure tie rod fixes by described screw nut assembly and top flange.
Described structure tie rod is set in distance in the top flange.
Described profiled sheet is provided with the structure distribution bar.
Be provided with cage of reinforcement in the described compound beam.
In the beam rib of described C section steel beam, and profiled sheet surface layer monobloc cast concrete is ordinary concrete, light weight aggregate concrete or regeneration concrete.
The beneficial effects of the utility model are: the outsourcing girder steel adopts the checkered steel plate clod wash to form, convenient formation, the C tee section is inverted to form in the top flange of girder steel side plate, C section steel beam inner surface has protruding pattern, the height of projection of decorative pattern should satisfy certain requirement, the existence of protruding pattern can effectively increase outsourcing girder steel and concrete cementation, turn over the C tee section that buckles into formation in the concrete simultaneously in the girder steel top flange concrete in the beam rib is also had effect of contraction, tie rod every determining deviation configuration makes steel member and concrete compound action strengthen more, integral slipping between outsourcing girder steel and the concrete does not take place in the co-operation between common guarantee outsourcing girder steel and the concrete; Adopt simultaneously in the girder steel top flange and to wear the screw nut assembly mode with profiled sheet relevant position pore-forming and fix and be connected girder steel and profiled sheet, in the time of effectively avoiding invar beam top flange thinner, easily produce the shortcoming of welding deformation even burn-through when welding with peg, easy construction; In the construction, the screw nut assembly connection is used by screw thread machinery coupling nut, the upper and lower side of screw nut assembly stretches into certain altitude in concrete flange plate and the beam rib respectively, when being provided with the cage of reinforcement of vertical muscle and stirrup composition in the beam, screw nut assembly quantity can be only by the fixedly requirement setting of satisfying profiled sheet.
The utility model simple structure, compound action is strong, and it is quick and convenient to construct, and can realize industrialization production, and economic benefit is obvious, can be widely used in the civilian construction building cover structure, to realizing that housing industrialization plays good progradation.
Description of drawings
The C shape decorative pattern girder steel schematic perspective view of Fig. 1 belt-press type steel plate;
The C shape decorative pattern girder steel cross sectional representation of Fig. 2 belt-press type steel plate;
Fig. 3 C shape outsourcing riffled iron-profiled sheet concrete combination beam schematic perspective view;
Fig. 4 C shape outsourcing riffled iron-profiled sheet concrete combination beam schematic perspective view (being furnished with cage of reinforcement in the beam rib);
Fig. 5 C section steel beam structural representation.
Number in the figure: 1 is the C section steel beam, and 2 is profiled sheet, and 3 is integrated poured concrete, and 4 are the structure tie rod, and 5 is screw nut assembly, and 6 are the structure distribution bar, and 7 is cage of reinforcement.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further details.
The utility model provides a kind of novel outsourcing steel-concrete composite beam, the C section steel beam 1 that comprises the bottom, profiled sheet 2 is fixedly set in the top flange of C section steel beam 1, and in the beam rib of C section steel beam 1, and profiled sheet 2 surface layer monobloc cast concrete 3 form compound beam.Wherein be used for integrated poured concrete 2 and can adopt ordinary concrete, light weight aggregate concrete or regeneration concrete.
The utility model adopts the form of girder steel outsourcing, and the surface layer with profiled sheet 2 in the beam rib carries out on-the-spot whole the watering of concrete, and the globality between profiled sheet 2 and the compound beam is strong, the co-operation better performances.
In the utility model, C section steel beam 1 adopts the checkered steel plate clod wash to make, and the top flange of girder steel side plate is inwardly turned over the cross section and become C shape, convenient formation.The C section steel beam 1 that adopts checkered steel plate to make, its inner surface is laid with decorative pattern sample projection, and the projection of decorative pattern need satisfy the certain height requirement, thereby effectively increases outsourcing girder steel and concrete bonding interlocking.Turn over the C tee section that buckles into formation in the concrete simultaneously in the girder steel top flange concrete in the beam rib is also had effect of contraction.
For preventing that compound beam concrete flange plate longitudinal splitting from destroying, the utility model is provided with structure distribution bar 6 at profiled sheet 2; For guaranteeing the bearing capacity of compound beam, the cage of reinforcement of being made up of vertical muscle and stirrup 7 can be set as required in compound beam.
The utility model medium-pressure type steel plate 2 is top flanges of being fixed in C section steel beam 1 by screw nut assembly 5, and wherein the two ends of screw rod are stretched into respectively in the beam rib of the monobloc cast concrete 3 on top and bottom in the screw nut assembly 5.Concrete operation method is: in C section steel beam 1 top flange and the perforation of profiled sheet 2 relevant positions, fix C section steel beam 1 and profiled sheet 2 in the mode of wearing screw nut assembly, in the time of effectively avoiding invar beam top flange thinner, easily produce the shortcoming of welding deformation even burn-through when welding with peg.The method easy construction, screw nut assembly 5 connections are used by screw thread machinery coupling nut, and the upper and lower side of screw nut assembly 5 stretches into certain altitude in monobloc cast concrete 3 and the beam rib respectively.When being provided with the cage of reinforcement of being made up of vertical muscle and stirrup 7 in the compound beam, the quantity of screw nut assembly 5 can be only by the fixedly requirement setting of satisfying profiled sheet 2.
In order to improve the mass action of compound beam, the utility model also laterally and at interval arranges structure tie rod 4 on C section steel beam 1 top flange, and structure tie rod 4 also fixes by screw nut assembly 5 and top flange.The structure tie rod 4 of She Zhiing makes steel member and concrete compound action strengthen more at a certain distance, guaranteed the co-operation between outsourcing girder steel and the concrete, integral slipping between outsourcing girder steel and the concrete can not take place, do not need to establish in addition the anti-integral slipping of shear connector yet, operation is simple, easy construction.
For verifying the performance of this compound beam, at first carried out the push out test of checkered steel plate, make thickness and be respectively 3mm, 4mm, the checkered steel plate prism of 5mm, and the different concrete of placing intensity grade have within it been studied the adhesive property between checkered steel plate and the concrete.Next has carried out the experimental study of C shape outsourcing decorative pattern steel-concrete composite beam, the 1 usefulness Q235 checkered steel plate clod wash of C shape outsourcing decorative pattern girder steel forms in the test specimen, the riffled iron thickness of slab is 5mm, C shape outsourcing decorative pattern girder steel turns in 1 top flange, and width is 50mm, and the corner transition arc radius of C shape outsourcing decorative pattern girder steel is 2tmm (t is the thickness of decorative pattern girder steel), the wing plate thickness of compound beam is 110mm, strength grade of concrete is C30, and tightening latch 5 adopts M12 * 120, and profiled sheet 2 adopts YX51-240-720.
Claims (9)
1. novel outsourcing steel-concrete composite beam, it is characterized in that described compound beam comprises the C section steel beam of bottom, profiled sheet is fixedly set in the top flange of C section steel beam, and in the beam rib of described C section steel beam, and profiled sheet surface layer monobloc cast concrete forms compound beam.
2. novel outsourcing steel-concrete composite beam according to claim 1 is characterized in that described C section steel beam adopts the checkered steel plate clod wash to make, and C section steel beam inner surface is laid with decorative pattern sample projection.
3. novel outsourcing steel-concrete composite beam according to claim 1 is characterized in that described profiled sheet is fixed in the top flange of C section steel beam by screw nut assembly.
4. novel outsourcing steel-concrete composite beam according to claim 3 is characterized in that screw rod two ends in the described screw nut assembly stretch into respectively in the beam rib of the monobloc cast concrete on top and bottom.
5. according to claim 1 or 3 described novel outsourcing steel-concrete composite beams, it is characterized in that horizontally set structure tie rod on the described C section steel beam top flange, described structure tie rod fixes by described screw nut assembly and top flange.
6. novel outsourcing steel-concrete composite beam according to claim 5 is characterized in that described structure tie rod is set in distance in the top flange.
7. novel outsourcing steel-concrete composite beam according to claim 1 is characterized in that described profiled sheet is provided with the structure distribution bar.
8. novel outsourcing steel-concrete composite beam according to claim 1 is characterized in that being provided with cage of reinforcement in the described compound beam.
9. novel outsourcing steel-concrete composite beam according to claim 1 is characterized in that in the beam rib of described C section steel beam, and profiled sheet surface layer monobloc cast concrete is ordinary concrete, light weight aggregate concrete or regeneration concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220755504 CN203066350U (en) | 2012-12-31 | 2012-12-31 | New-type combined beam externally coated with steel and concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220755504 CN203066350U (en) | 2012-12-31 | 2012-12-31 | New-type combined beam externally coated with steel and concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203066350U true CN203066350U (en) | 2013-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220755504 Expired - Fee Related CN203066350U (en) | 2012-12-31 | 2012-12-31 | New-type combined beam externally coated with steel and concrete |
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| CN (1) | CN203066350U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100310A (en) * | 2017-06-15 | 2017-08-29 | 黑龙江施耐达建筑技术有限公司 | The general erection support and mounting assembly of assembled open-type building bottom plate |
| CN107313540A (en) * | 2017-07-24 | 2017-11-03 | 太原理工大学 | The anti-buckling assembled combination beam of fire prevention and construction method |
| CN108867998A (en) * | 2018-08-28 | 2018-11-23 | 四川建安装配式工程科技股份有限公司 | Assembled rural area house integration girder steel and integrated girder steel and wall composite construction |
-
2012
- 2012-12-31 CN CN 201220755504 patent/CN203066350U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100310A (en) * | 2017-06-15 | 2017-08-29 | 黑龙江施耐达建筑技术有限公司 | The general erection support and mounting assembly of assembled open-type building bottom plate |
| CN107313540A (en) * | 2017-07-24 | 2017-11-03 | 太原理工大学 | The anti-buckling assembled combination beam of fire prevention and construction method |
| CN107313540B (en) * | 2017-07-24 | 2020-01-31 | 太原理工大学 | Fireproof and buckling-restrained fabricated composite beam and construction method |
| CN108867998A (en) * | 2018-08-28 | 2018-11-23 | 四川建安装配式工程科技股份有限公司 | Assembled rural area house integration girder steel and integrated girder steel and wall composite construction |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20211231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |