CN203924486U - A kind of integrated FRP fold-line-shaped plated construction for compound beam - Google Patents
A kind of integrated FRP fold-line-shaped plated construction for compound beam Download PDFInfo
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- CN203924486U CN203924486U CN201420348524.5U CN201420348524U CN203924486U CN 203924486 U CN203924486 U CN 203924486U CN 201420348524 U CN201420348524 U CN 201420348524U CN 203924486 U CN203924486 U CN 203924486U
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- fold
- line
- frp
- fiber
- top board
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Abstract
The utility model discloses a kind of integrated FRP fold-line-shaped plated construction for compound beam, by a plurality of integrated FRP fold-line-shaped plate bodys, be formed by connecting, each FRP fold-line-shaped plate body comprises top board, base plate, outer web and endosternum, described top board is the template of concreting, above top board, built concrete slab, top board is provided with the rib that increases FRP fold-line-shaped plate body and concrete slab adhesion stress.The utility model has solved in bridge engineering and construction work, steel compound beam and steel, concrete combination beam, and its welding sequence is complicated, poor corrosion resistance in long-term use, the shortcoming that concrete is easy to crack.
Description
Technical field
The utility model relates to the combined beam structure in a kind of bridge engineering and construction work, is specifically related to a kind of integrated FRP fold-line-shaped plated construction for compound beam.
Background technology
In bridge engineering and construction work, compound beam mostly is steel compound beam and steel, concrete combination beam.Steel are because flexural strength is large, connect the feature such as reliable at large scale structure, use more, but its welding sequence is complicated, poor corrosion resistance in long-term use, because needs regularly carry out preservative treatment, and increases cost.Concrete is easy to crack, after cracking, connecting reinforcement protective effect reduced, thus the application life of reducing structure.The permanent template that composite material fold-line-shaped plate useful as concrete is built, forms composite material fold-line-shaped plate-Combined concrete girder construction.But the modulus of elasticity of existing civil engineering composite panel is lower, be out of shape larger.Although and more superior for the composite material performance in the high-precision pointed collar territories such as Aero-Space, expensive, in field of civil engineering, be difficult to apply.Meanwhile, in the composite material beam slab of pultrude process moulding, structure fiber is mainly distributed in longitudinally, and often transverse strength and rigidity can not meet engineering demand.
Utility model content
The purpose of this utility model is to provide a kind of multidirectional laying for combined beam structure, local reinforced composite material fold-line-shaped board connecting structure, solved in bridge engineering and construction work, steel compound beam and steel, concrete combination beam, its welding sequence is complicated, poor corrosion resistance in long-term use, the shortcoming that concrete is easy to crack.
The technical solution adopted in the utility model is: a kind of integrated FRP fold-line-shaped plated construction for compound beam, by a plurality of integrated FRP (fibre reinforced composites) fold-line-shaped plate body, be formed by connecting, each FRP fold-line-shaped plate body comprises top board, base plate, outer web and endosternum, described top board is the template of concreting, above top board, built concrete slab, top board is provided with the rib that increases FRP fold-line-shaped plate body and concrete slab adhesion stress;
Outer web and the endosternum of described FRP fold-line-shaped plate body are subject to shear stress, and its fiber laying is: outer layer fiber is for along web height direction, and middle fiber be longitudinal and along beam length direction; Base plate and the top board of FRP fold-line-shaped plate body are subject to tension and compression stress, and its fiber laying is: outer layer fiber is for laterally, and median fiber be longitudinal and along beam length direction; Cloth is symmetrical, and outer layer fiber cloth is no less than 2 layers.
As preferably, one or more in the material employing carbon fiber of described FRP fold-line-shaped plate body, glass fiber, boron fibre, aramid fiber, silicon carbide fibre, alumina fibre, asbestos fiber are used resin-bonded moulding, and resin adopts unsaturated polyester (UP), vinyl, epoxy and these thermosetting resins of phenolic aldehyde.
As preferably, in the fiber laying of described FRP fold-line-shaped plate body, outer for the larger fiber of modulus of elasticity, as carbon fiber etc., the lower fiber of modulus of elasticity for median fiber, as glass fiber etc.
As preferably, be the anti-pressure ability that increases composite combined beam top, described endosternum is arch sheet, and the fiber laying of arch sheet is symmetrical, and outer layer fiber be along arch direction, and median fiber is longitudinal and along beam length direction.
As preferably, described top board is the spill top board that middle part moves down, and top board moves down and increased concrete slab thickness, can strengthen equally the compressive strength of this composite combined beam.
As preferably, in described FRP fold-line-shaped plate body, be provided with core, core is cork wood or rigid foam (polyvinylchloride, PEI PEI, polyurethane PU, polythene PE T, Polymethacrylimide PMI).
As preferably, adjacent FRP fold-line-shaped plate body interconnects by composite material junction plate and bolt, forms an integral body, between described composite material junction plate and FRP fold-line-shaped plate body, is provided with colloid.
Beneficial effect: the utility model structure is by pultrude process moulding, welding technique, simple in structure, good integrity, the compressive strength of compound beam are high.
Accompanying drawing explanation
Fig. 1 is the utility model combined beam structure schematic diagram;
Fig. 2 is arch endosternum compound beam schematic diagram;
Fig. 3 is fiber laying schematic diagram in 1-a place in Fig. 1,2;
Fig. 4 is fiber laying schematic diagram in 1-b place in Fig. 1,2;
Fig. 5 is fiber laying schematic diagram in 1-c place in Fig. 2;
Fig. 6 is for adding thick concrete slab compound beam schematic diagram;
Fig. 7 is sandwich FRP fold-line-shaped plate schematic diagram;
Fig. 8 is FRP fold-line-shaped plate connection diagram;
Fig. 9 is the top view of Fig. 8.
The specific embodiment
Below in conjunction with the specific embodiment and accompanying drawing, the utility model is described further:
Embodiment 1
As shown in Fig. 1,3,4,8 and 9, a kind of integrated FRP fold-line-shaped plated construction for compound beam, by a plurality of integrated FRP fold-line-shaped plate bodys 1, be formed by connecting, each FRP fold-line-shaped plate body 1 comprises top board, base plate, outer web and endosternum, described top board is the template of concreting, above top board, built concrete slab 2, top board is provided with the rib 3 that increases FRP fold-line-shaped plate body and concrete slab adhesion stress; Outer web and the endosternum of described FRP fold-line-shaped plate body 1 are subject to shear stress, and its fiber laying is: outer layer fiber is for along web height direction, and middle fiber be longitudinal and along beam length direction; Base plate and the top board of FRP fold-line-shaped plate body are subject to tension and compression stress, and its fiber laying is: outer layer fiber is for laterally, and median fiber be longitudinal and along beam length direction; Cloth is symmetrical, and outer layer fiber cloth is no less than 2 layers.One or more in the material employing carbon fiber of described FRP fold-line-shaped plate body, glass fiber, boron fibre, aramid fiber, silicon carbide fibre, alumina fibre, asbestos fiber are used resin-bonded moulding, and resin adopts unsaturated polyester (UP), vinyl, epoxy and these thermosetting resins of phenolic aldehyde.In the fiber laying of described FRP fold-line-shaped plate body 1, outer with the larger fiber of modulus of elasticity, the lower fiber of modulus of elasticity for median fiber.Adjacent FRP fold-line-shaped plate body 1 interconnects by composite material junction plate 6 and bolt 5, forms an integral body, between described composite material junction plate 6 and FRP fold-line-shaped plate body 1, is provided with colloid 7.
Embodiment 2
As shown in Fig. 2 and 5, the difference of the present embodiment and embodiment 1 is: described endosternum is arch sheet, and the fiber laying of arch sheet is symmetrical, and outer layer fiber is along arch direction, and median fiber is longitudinally and along beam length direction.
Embodiment 3
As shown in Figure 6, the difference of the present embodiment and embodiment 1 is: described top board is the spill top board that middle part moves down, and top board moves down and increased concrete slab thickness, can strengthen equally the compressive strength of this composite combined beam.
Embodiment 3
As shown in Figure 7, the difference of the present embodiment and embodiment 1 is: in described FRP fold-line-shaped plate body 1, be provided with core 4, core 4 is cork wood or rigid foam (polyvinylchloride, PEI PEI, polyurethane PU, polythene PE T, Polymethacrylimide PMI).
The above is only preferred embodiment of the present utility model; be noted that for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. the integrated FRP fold-line-shaped plated construction for compound beam, it is characterized in that: by a plurality of integrated FRP fold-line-shaped plate bodys, be formed by connecting, each FRP fold-line-shaped plate body comprises top board, base plate, outer web and endosternum, described top board is the template of concreting, above top board, built concrete slab, top board is provided with the rib that increases FRP fold-line-shaped plate body and concrete slab adhesion stress;
Outer web and the endosternum of described FRP fold-line-shaped plate body are subject to shear stress, and its fiber laying is: outer layer fiber is for along web height direction, and middle fiber be longitudinal and along beam length direction; Base plate and the top board of FRP fold-line-shaped plate body are subject to tension and compression stress, and its fiber laying is: outer layer fiber is for laterally, and median fiber be longitudinal and along beam length direction; Cloth is symmetrical, and outer layer fiber cloth is no less than 2 layers.
2. a kind of integrated FRP fold-line-shaped plated construction for compound beam according to claim 2, it is characterized in that: in the fiber laying of described FRP fold-line-shaped plate body, outer with the larger carbon fiber of modulus of elasticity, the lower glass fiber of modulus of elasticity for median fiber.
3. a kind of integrated FRP fold-line-shaped plated construction for compound beam according to claim 1, it is characterized in that: described endosternum is arch sheet, the fiber laying of arch sheet is symmetrical, and outer layer fiber is along arch direction, and median fiber is longitudinally and along beam length direction.
4. a kind of integrated FRP fold-line-shaped plated construction for compound beam according to claim 1, is characterized in that: described top board is the spill top board that middle part moves down.
5. a kind of integrated FRP fold-line-shaped plated construction for compound beam according to claim 1, is characterized in that: in described FRP fold-line-shaped plate body, be provided with core, core is cork wood or rigid foam.
6. a kind of integrated FRP fold-line-shaped plated construction for compound beam according to claim 1, it is characterized in that: adjacent FRP fold-line-shaped plate body interconnects by composite material junction plate and bolt, between composite material junction plate and FRP fold-line-shaped plate body, be provided with colloid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420348524.5U CN203924486U (en) | 2014-06-26 | 2014-06-26 | A kind of integrated FRP fold-line-shaped plated construction for compound beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420348524.5U CN203924486U (en) | 2014-06-26 | 2014-06-26 | A kind of integrated FRP fold-line-shaped plated construction for compound beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203924486U true CN203924486U (en) | 2014-11-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420348524.5U Withdrawn - After Issue CN203924486U (en) | 2014-06-26 | 2014-06-26 | A kind of integrated FRP fold-line-shaped plated construction for compound beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203924486U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032893A (en) * | 2014-06-26 | 2014-09-10 | 南京工业大学 | FRP folded plate structure for integral molding of composite beams |
| CN106869012A (en) * | 2017-03-28 | 2017-06-20 | 上海市城市建设设计研究总院（集团）有限公司 | Using the prefabricated thin-wall bent cap of prestressing with bond system |
-
2014
- 2014-06-26 CN CN201420348524.5U patent/CN203924486U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032893A (en) * | 2014-06-26 | 2014-09-10 | 南京工业大学 | FRP folded plate structure for integral molding of composite beams |
| CN104032893B (en) * | 2014-06-26 | 2016-03-23 | 南京工业大学 | A kind of integrated FRP fold-line-shaped plated construction for compound beam |
| CN106869012A (en) * | 2017-03-28 | 2017-06-20 | 上海市城市建设设计研究总院（集团）有限公司 | Using the prefabricated thin-wall bent cap of prestressing with bond system |
| CN106869012B (en) * | 2017-03-28 | 2018-06-26 | 上海市城市建设设计研究总院（集团）有限公司 | Using the prefabricated thin-wall bent cap of prestressing with bond system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20160323 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |