CN207194305U - One kind sets two-way shear connector FRP box section concrete combination beams - Google Patents
One kind sets two-way shear connector FRP box section concrete combination beams Download PDFInfo
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- CN207194305U CN207194305U CN201720373448.7U CN201720373448U CN207194305U CN 207194305 U CN207194305 U CN 207194305U CN 201720373448 U CN201720373448 U CN 201720373448U CN 207194305 U CN207194305 U CN 207194305U
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- girder
- outer panels
- concrete
- shear connector
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- 239000004567 concrete Substances 0.000 title claims abstract description 45
- 230000002787 reinforcement Effects 0.000 claims description 15
- 240000007182 Ochroma pyramidale Species 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
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- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 244000055346 Paulownia Species 0.000 claims description 2
- 239000011210 fiber-reinforced concrete Substances 0.000 claims description 2
- 210000001364 upper extremity Anatomy 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000010008 shearing Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
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- 241000196324 Embryophyta Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
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- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Rod-Shaped Construction Members (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses one kind to set two-way shear connector FRP box section concrete combination beams, belong to building, bridge structure technical field, combination beam includes a pair of parallel box-girder outer panels being vertically arranged, be fixedly connected on two be arranged in parallel box-girder outer panels bottom box-girder lower flange and it is horizontal in the middle part of two box-girder outer panels between box-girder top flange, a pair of wainscots parallel with box-girder outer panels are provided with cavity, two wainscots and box-girder top flange thereon, the box-girder outer panels of box-girder lower flange and its both sides under it partner symmetrical sandwich web chamber, sandwich web intracavitary is provided with laminboard layer.Box-girder top flange and box-girder outer panels form a U-lag on the top of combination beam, are provided with two-way shear connector in U-lag, concrete has been poured in U-lag.The combination beam has a high-strength light and corrosion resistance, therefore in ocean, in the building of port engineering and salty area, bridge construction, is with a wide range of applications.
Description
Technical field
Building, bridge structure technical field are the utility model is related to, more particularly to a kind of FRP folders that two-way shear connector is set
Core web box section concrete combination beam.
Background technology
Reinforced beam has a wide range of applications in civil engineering neighborhood at present, but concrete material tensile property compared with
Low, cracking resistance is poor, especially under the adverse circumstances such as ocean, chemical plant, after concrete cracking, reinforcing bar easy-to-rust, causes structure
Bearing capacity reduces, so as to influence integrally-built safety.And fibre reinforced composites (FRP) have specific strength height, specific modulus
Greatly, the advantages that anticorrosive and antifatigue.Concrete combines with FRP box-girders, the advantages of giving full play to material each, no
Only there is higher bearing capacity, and improved from heavy and light, corrosion resistance and durability, by the extensive concern of engineering circles.
At present, existing FRP- concrete combination beams use unidirectional shear connector, and an only face joint face, it is easy to go out
Existing interfacial failure, so as to reduce combination beam integral working；And box section FRP- concrete combination beams, due to FRP casees
Tee section wall is relatively thin, so as to cause the shearing resistance of combination beam and torsional property poor, have impact on FRP box sections and concrete combination beam
In civil engineering neighborhood promotion and application, therefore, urgent need one kind is antitorque at present, shear behavior is good, overall work efficiency is good, carrying
Power height, anticorrosion, the combination beam of excellent in durability.
Utility model content
The technical problems to be solved in the utility model be to provide it is a kind of it is antitorque, shear behavior is good, improves integral working
And corrosion resistant FRP sandwiches web box section concrete combination beam.Combination beam in the utility model is using U-shaped connection circle
Face, interface bonding strength is on the one hand improved, enhance the holistic resistant behavior of combination beam；On another aspect FRP box sections
The U-shaped connection in face can also serve as template during concreting, integral with the coagulation local soil type after tying firmly, simplify concrete construction
Technique, the web of FRP box sections uses sandwich, so as to improve the shearing resistance of combination beam, torsional property.
In order to solve the above-mentioned technical problem, the utility model provides a kind of FRP sandwich webs for setting two-way shear connector
Box section concrete combination beam, the combination beam include a pair of parallel box-girder outer panels being vertically arranged, are fixedly connected on
Two be arranged in parallel box-girder outer panels bottom box-girder lower flange and it is horizontal in the middle part of two box-girder outer panels between case
Ellbeam top flange, the box-girder outer panels, box-girder lower flange and box-girder top flange form a closed cavity, the sky
Intracavitary is provided with a pair of wainscots parallel with the box-girder outer panels, the top of the wainscot and the box-girder top flange
It is fixedly connected, and the bottom of wainscot is fixedly connected with the box-girder lower flange, two wainscot and box-girder thereon
The box-girder outer panels of top flange, the box-girder lower flange under it and its both sides partner symmetrical sandwich web chamber, and
Sandwich web intracavitary is provided with laminboard layer, and the top of the laminboard layer is fixedly connected with the box-girder top flange, and laminboard layer
Bottom is fixedly connected with the box-girder lower flange, outside the box-girder top flange and a pair of parallel box-girder being vertically arranged
Plate forms a U-lag on the top of combination beam, is provided with two-way shear connector in the U-lag, and the bottom of two-way shear connector and
Correspondingly it is close to the bottom and both sides of U-lag, concrete poured in the U-lag in both sides.
Further, the sandwich web intracavitary is additionally provided with reinforcement, and reinforcement and the box-girder lower flange are into 20
~45° angle, one end of the reinforcement are fixedly connected with the box-girder lower flange, the other end of reinforcement and the box-girder
Outer panels are fixedly connected.
Further, the concrete is normal concrete or steel fiber reinforced concrete or epoxy resin concrete.
Further, the material of the laminboard layer is RPUF or cork wood.
Further, the cork wood is Ba Ersha wood or paulownia wood.
Compared with prior art, the beneficial effect that the utility model is reached：
(1) two-way shear connector is provided with the U-lag in the utility model, and the bottom of two-way shear connector and both sides are corresponding
It is close to the bottom and both sides of U-lag, three faces of U-type groove enhance concrete and FRP box-girders circle with two-way shearing key connection
The bonding strength in face, the globality of combination beam is effectively increased, while U-shaped connects template when can also serve as concreting, with
Coagulation local soil type after knot is hard is integral, not only saves template, also simplify concrete construction process.
(2) two wainscots and box-girder top flange thereon in the utility model, the box-girder lower flange under it and its
The box-girder outer panels of both sides partner symmetrical sandwich web chamber, and sandwich web intracavitary is provided with laminboard layer, the structure energy
Enough efficiently control FRP box-girders and local buckling occurs when being pressurized, and combination beam shearing resistance, torsional property can be improved；Case simultaneously
The sandwich web chamber of ellbeam top flange, box-girder lower flange and box-girder outer panels composition, do not changing combination beam shearing resistance, resisting
On the premise of turning round performance, raw material are on the one hand saved, reduce cost；On the other hand the weight of combination beam itself is alleviated,
Consequently facilitating carry and transport.
(3) sandwich web intracavitary is additionally provided with reinforcement in the utility model, and reinforcement and the box-girder lower flange into
20~45° angle, the structure can play a part of support, so as to improve combination beam when local compression occurs for combination beam
Whole compressive strength；When the combination beam is applied to building trade, on box-girder outer panels, box-girder lower flange and box-girder
The edge of a wing forms a closed cavity, can play a part of sound insulation, be highly suitable for building trade promotion and application.
(4) laminboard layer in the utility model uses hard polyurethane foams core or cork wood core, reduces laminboard layer
Depth-width ratio, while hard polyurethane foams core and cork wood core have light weight and corrosion resistance, and therefore, the combination beam can
Using Yu Haiyang, port engineering and the engineering construction of salty area, it is with a wide range of applications.
In summary, the combination beam in the utility model can effectively improve the integral working of combination beam, increase
Web shearing resistance, torsional property, therefore, the combination beam have broad application prospects, and can be brought in field of civil engineering considerable
Comprehensive benefit.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the drawings and the specific embodiments.
Fig. 1 is a kind of FRP sandwich web box section concrete combination beams for setting two-way shear connector in the utility model
Structural representation；
Fig. 2 is a kind of FRP sandwich web box section concrete combination beams for setting two-way shear connector in the utility model
Cross section structure schematic diagram；
Fig. 3 is the FRP box section structural representations that laminboard layer is RPUF；
Fig. 4 is the FRP box section structural representations that laminboard layer is cork wood；
Fig. 5 is that laminboard layer shows for the FRP box section structures of configuration shear connector in RPUF and U-type groove
It is intended to；
Fig. 6 is FRP box section structural representation of the laminboard layer for configuration shear connector in cork wood and U-type groove；
Fig. 7 is FRP box-girder knot of the laminboard layer for configuration shear connector in RPUF and U-type groove
Structure schematic diagram；
Fig. 8 is FRP box-girder structural representation of the laminboard layer for configuration shear connector in cork wood and U-type groove；
Fig. 9 is the structural representation of two-way shear connector in the utility model；
Figure 10 is the structural representation of horizontal shear key in Fig. 9；
Figure 11 is the structural representation of vertical shear key in Fig. 9.
Description of reference numerals：1st, box-girder outer panels, 2, box-girder lower flange, 3, box-girder top flange, 4, cavity, 5, interior
Panel, 6, sandwich web chamber, 7, laminboard layer, 8, U-lag, 9, two-way shear connector, 10, concrete, 11, reinforcement, 12, level cuts
Power key, 13, vertical shear key.
Embodiment
Following examples are merely to illustrate the utility model, but are not limited to the scope of the utility model.
Embodiment 1
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 9, Figure 10 and Figure 11, a kind of FRP sandwich web box-shapeds that two-way shear connector is set
Section concrete combination beam, the combination beam includes a pair of parallel box-girder outer panels 1 being vertically arranged, to be fixedly connected on two flat
Row sets the box-girder lower flange 2 of the bottom of box-girder outer panels 1 and the horizontal box-shaped being located between the middle part of two box-girder outer panels 1
Beam top flange 3, the box-girder outer panels 1, box-girder lower flange 2 and box-girder top flange 3 form a closed cavity 4, institute
State and a pair of wainscots 5 parallel with the box-girder outer panels 1 are provided with cavity 4, top and the box-shaped of the wainscot 5
Beam top flange 3 is fixedly connected, and the bottom of wainscot 5 is fixedly connected with the box-girder lower flange 2, two wainscot 5 with
The box-girder outer panels 1 of box-girder top flange 3 thereon, the box-girder lower flange 2 under it and its both sides partner symmetrically
Sandwich web chamber 6, and be provided with laminboard layer 7 in sandwich web chamber 6, the top of the laminboard layer 7 and the box-girder top flange 3
Be fixedly connected, and the bottom of laminboard layer 7 is fixedly connected with the box-girder lower flange 2, the box-girder top flange 3 and a pair it is flat
The box-girder outer panels 1 that row is vertically arranged form a U-lag 8 on the top of combination beam, and two-way cut is provided with the U-lag 8
Power key 9, and the bottom of two-way shear connector 9 and both sides are correspondingly close to the bottom and both sides of U-lag 8, pour in the U-lag 8
Concrete 10.
In the present embodiment, reinforcement 11 is additionally provided with the sandwich web chamber 6, and under reinforcement 11 and the box-girder
The edge of a wing 2 is fixedly connected into 30 ° of angles, one end of the reinforcement 11 with the box-girder lower flange 2, the other end of reinforcement 11 with
The box-girder outer panels 1 are fixedly connected.
In the present embodiment, the concrete 10 is normal concrete.
In the present embodiment, the material of the laminboard layer 7 is RPUF.
Embodiment 2
As shown in Fig. 3, Fig. 5 and Fig. 7, the difference of the present embodiment and embodiment 1 is that the concrete 10 is fine for steel
Tie up concrete；The material of the laminboard layer 7 is RPUF.
Embodiment 3
As shown in Fig. 4, Fig. 6 and Fig. 8, the present embodiment and the difference of embodiment 1 are that the concrete 10 is epoxy
Resin concrete；The material cork wood of the laminboard layer 7.
FRP laminboard layer box section concrete combination beams in the utility model manufacture process：
(1) sectional dimension, the thickness of laminboard layer 7, the number of plies of fiber cloth and concrete strength etc. are determined according to structure design
Level；According to size custom mold, four axial accurate orthogonal glass fabrics are laid in a mold, using vacuum guiding and forming technique,
FRP box sections are made, wherein, the Interface Construction of laminboard layer core and panel can use Alveolus type enhancing technology；
(2) the two-way shear connector 9 of structure glue is used in the U-type groove 8 on box section top；The two-way shear connector 9 by
Horizontal shear key 12 and vertical shear key 13 form.
(3) casting concrete 10 in U-type groove 8, produces combination beam.
Template when U-type groove 8 in the utility model can pour as concrete 10, while be combination beam after shaping again
A part, template is not only saved, also simplify construction technology；Three faces of U-type groove 8 are equipped with two-way shear connector 9 simultaneously, enhance
Concrete 10 and the bonding strength at FRP box-girders interface, effectively increase the globality of combination beam.Therefore, the combination beam is adapted to
In the promotion and application of bridge technology field.
In summary, above-mentioned embodiment is not restricted embodiment of the present utility model, the technology of all this areas
The modification or equivalent deformation that personnel are carried out on the basis of substantive content of the present utility model, in skill of the present utility model
Art category.
Claims (5)
1. one kind sets two-way shear connector FRP box sections-concrete combination beam, it is characterised in that：The combination beam includes one
The box-girder outer panels (1) that are set to parallel vertical, it is fixedly connected on two box-shapeds for be arrangeding box-girder outer panels (1) bottom in parallel
Lower flange of girder edge (2) and it is horizontal in the middle part of two box-girder outer panels (1) between box-girder top flange (3), outside the box-girder
Panel (1), box-girder lower flange (2) and box-girder top flange (3) form a closed cavity (4), are provided with the cavity (4)
A pair of wainscots (5) parallel with the box-girder outer panels (1), top and the box-girder upper limb of the wainscot (5)
Edge (3) is fixedly connected, and the bottom of wainscot (5) is fixedly connected with the box-girder lower flange (2), two wainscot (5)
Formed with the box-girder outer panels (1) of box-girder top flange (3) thereon, the box-girder lower flange (2) under it and its both sides
A pair of symmetrical sandwich web chambers (6), and be provided with laminboard layer (7) in sandwich web chamber (6), the top of the laminboard layer (7) and
The box-girder top flange (3) is fixedly connected, and the bottom of laminboard layer (7) is fixedly connected with the box-girder lower flange (2), institute
State box-girder top flange (3) and a pair of parallel box-girder outer panels (1) being vertically arranged and form a U-lag on the top of combination beam
(8) two-way shear connector (9), is provided with the U-lag (8), and U-shaped is correspondingly close in the bottom of two-way shear connector (9) and both sides
The bottom and both sides of groove (8), concrete (10) has been poured in the U-lag (8).
2. a kind of two-way shear connector FRP box sections-concrete combination beam of setting according to claim 1, its feature exist
In：It is additionally provided with reinforcement (11) in the sandwich web chamber (6), and reinforcement (11) and the box-girder lower flange (2) are into 20
~45° angle, one end of the reinforcement (11) are fixedly connected with the box-girder lower flange (2), the other end of reinforcement (11)
It is fixedly connected with the box-girder outer panels (1).
3. a kind of two-way shear connector FRP box sections-concrete combination beam of setting according to claim 1, its feature exist
In：The concrete (10) is normal concrete or steel fiber reinforced concrete or epoxy resin concrete.
4. a kind of two-way shear connector FRP box sections-concrete combination beam of setting according to claim 1, its feature exist
In：The material of the laminboard layer (7) is RPUF or cork wood.
5. a kind of two-way shear connector FRP box sections-concrete combination beam of setting according to claim 4, its feature exist
In：The cork wood is Ba Ersha wood or paulownia wood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720373448.7U CN207194305U (en) | 2017-04-11 | 2017-04-11 | One kind sets two-way shear connector FRP box section concrete combination beams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720373448.7U CN207194305U (en) | 2017-04-11 | 2017-04-11 | One kind sets two-way shear connector FRP box section concrete combination beams |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207194305U true CN207194305U (en) | 2018-04-06 |
Family
ID=61792930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720373448.7U Withdrawn - After Issue CN207194305U (en) | 2017-04-11 | 2017-04-11 | One kind sets two-way shear connector FRP box section concrete combination beams |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207194305U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836639A (en) * | 2017-04-11 | 2017-06-13 | 南京工业大学 | One kind sets two-way shear connector FRP box section concrete combination beams |
| CN110056127A (en) * | 2019-04-16 | 2019-07-26 | 武汉大学 | Assembled case groove profile FRP profile light fibre marine sand concrete beam |
| CN110056128A (en) * | 2019-04-16 | 2019-07-26 | 武汉大学 | Lightweight assembled is put more energy into case groove profile FRP profile marine sand concrete beam |
-
2017
- 2017-04-11 CN CN201720373448.7U patent/CN207194305U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836639A (en) * | 2017-04-11 | 2017-06-13 | 南京工业大学 | One kind sets two-way shear connector FRP box section concrete combination beams |
| CN110056127A (en) * | 2019-04-16 | 2019-07-26 | 武汉大学 | Assembled case groove profile FRP profile light fibre marine sand concrete beam |
| CN110056128A (en) * | 2019-04-16 | 2019-07-26 | 武汉大学 | Lightweight assembled is put more energy into case groove profile FRP profile marine sand concrete beam |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180406 Effective date of abandoning: 20220923 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180406 Effective date of abandoning: 20220923 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |