CN207633185U - A kind of FRP pipe and steel pipe combination concrete structure - Google Patents
A kind of FRP pipe and steel pipe combination concrete structure Download PDFInfo
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- CN207633185U CN207633185U CN201721731116.8U CN201721731116U CN207633185U CN 207633185 U CN207633185 U CN 207633185U CN 201721731116 U CN201721731116 U CN 201721731116U CN 207633185 U CN207633185 U CN 207633185U
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- steel pipe
- frp pipes
- stirrup
- concrete structure
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Abstract
A kind of FRP pipes of the utility model offer and steel pipe combination concrete structure, wherein, including FRP pipes, stirrup, steel pipe, multi-disc load-carrying steel plate and concrete layer, the inner tubal wall of stirrup and FRP pipes abuts, and steel pipe is located in FRP pipes, and steel pipe is coaxially arranged with FRP pipes, multi-disc load-carrying steel plate is respectively positioned in FRP pipes, multi-disc load-carrying steel plate is both connected to per a piece of load-carrying steel plate between stirrup and steel pipe, concrete layer is filled between stirrup and steel pipe along the circumferentially distributed of steel pipe.The FRP manage and steel pipe combination concrete structure have the advantages that sound construction, stability are good, anti-seismic performance is high, weight is small, service life is long, it is easy construct and it is corrosion resistant.
Description
Technical field
The utility model is related to bridge construction technology fields, specifically, being to be related to a kind of FRP pipe and steel pipe combination coagulation
Soil structure.
Background technology
In current building engineering field, the bridge of construction is substantially using concrete structure or steel construction.Because
The advantages of concrete structure bridge is that concrete slab durability is good；And the advantages of steel structure bridge is that bearing capacity is big.
But the shortcomings that concrete structure, is：From great, section thickness, cause to have to increase lower part when building bridge
Bent cap, bridge pier and cushion cap.In addition, concrete-bridge is cast in situs, cause its long construction period, curing cycle also longer.
Also, there is also a large amount of concrete blocks to recycle after concrete-bridge is removed, and increases construction cost.And steel construction is deposited
The shortcomings that be that floorings easy to produce fatigue crack, there are security risks.In addition, there is also corrosion resistances for traditional steel construction
The disadvantage of difference causes concrete and steel construction that short life is applied in combination, and anti-seismic performance is relatively low, consolidates that performance is poor and own wt
Larger, structure is unstable while also increasing difficulty of construction.
Invention content
To solve the above-mentioned problems, the main purpose of the utility model is to provide that a kind of sound construction, stability be good, antidetonation
Performance is high, weight is small, service life is long, easy construction and corrosion resistant FRP pipes and steel pipe combination concrete structure.
In order to realize the main purpose of the utility model, a kind of FRP pipes of the utility model offer and steel pipe combination concrete
Structure, wherein including FRP pipes, stirrup, steel pipe, multi-disc load-carrying steel plate and concrete layer, the inner tubal wall of stirrup and FRP pipes abuts,
Steel pipe is located in FRP pipes, and steel pipe is coaxially arranged with FRP pipes, and multi-disc load-carrying steel plate is respectively positioned in FRP pipes, multi-disc load-carrying steel
Plate is both connected between stirrup and steel pipe per a piece of load-carrying steel plate along the circumferentially distributed of steel pipe, concrete layer be filled in stirrup and
Between steel pipe.
Therefore FRP pipe have preferable corrosion resistance, also, by the way that FRP is managed, steel pipe is combined with concrete,
So that FRP pipes, steel pipe and concrete can play the characteristic of itself so that FRP pipes play hoop constraint to steel pipe and concrete
Effect, and the elastoplasticity of steel pipe makes FRP pipes and steel pipe combination concrete structure have good axis calenderability, and ensure that mixed
Coagulate the bearing capacity of soil.In addition, the outsourcing constraint of FRP pipes can not only reduce the dosage of steel pipe, but also steel pipe can be inhibited in axis pressure
Long-living local buckling in the process, is also used as the protective layer of steel pipe, and raising FRP pipes are resistance to steel pipe combination concrete structure
Long performance.Furthermore FRP is managed and the combination of steel pipe has larger axial rigidity, FRP pipes and steel pipe combination concrete structure is made to exist
There is certain axial carrying capacity, template when can be directly as concreting uses, and saves before casting concrete
The manufacturing cost of template simultaneously shortens the completion time of project, while the part being likely to occur during casting concrete can also be avoided to bend
Qu Xianxiang.And stirrup is set so that FRP is managed and steel pipe combination concrete structure disclosure satisfy that oblique section on the inner tubal wall of FRP pipes
The demand of shear strength, load-carrying steel plate is arranged between steel pipe and FRP pipes can enhance FRP pipes and steel pipe combination concrete knot
The stress performance of structure.
One Preferable scheme is that, FRP pipes and steel pipe combination concrete structure further include a plurality of first reinforcing bar, a plurality of first
Reinforcing bar is arranged along the axially extending of steel pipe, and a plurality of first reinforcing bar is between stirrup and steel pipe, and a plurality of first reinforcing bar edge
Steel pipe it is circumferentially distributed.
Therefore the first reinforcing bar being arranged between stirrup and steel pipe can resist pulling force and pressure, and then improve FRP pipes
With the tensile property and compressive property of steel pipe combination concrete structure.
Further embodiment is that FRP pipes and steel pipe combination concrete structure further include a plurality of second reinforcing bar, a plurality of second steel
Muscle is along the setting that radially extends of steel pipe, and a plurality of second reinforcing bar is distributed along the axial direction of steel pipe, and the second reinforcing bar of each is respectively
Through FRP pipes, stirrup and steel pipe.
Therefore it is arranged on the axial direction of FRP pipes and steel pipe combination concrete structure and a plurality of radially prolongs along steel pipe
Stretch and run through the second reinforcing bar of FRP pipes, stirrup and steel pipe so that FRP is managed and steel pipe combination concrete structure can have well
Anti-shear ability.
Further scheme is, the end per a piece of load-carrying steel plate is both provided with bolt, on the end of the peripheral wall of stirrup
Multiple jacks are set, and the bolt of a piece of load-carrying steel plate is connect with a jack.
Therefore the jack being arranged on the bolt and stirrup being arranged on load-carrying steel plate can make FRP pipes and steel pipe combination
For concrete structure when making, the connection of steel pipe, load-carrying steel plate and stirrup is more convenient, and can determine load-carrying steel plate
Position.
Further scheme is that the quantity of load-carrying steel plate is 4 to 8.
Further scheme is that the quantity of the first reinforcing bar is 4 to 8, every adjacent two panels load-carrying steel plate and stirrup, steel
Pipe surrounds an accommodating chamber, and first reinforcing bar is located in an accommodating chamber.
Further scheme is that the quantity of load-carrying steel plate is 6.
Further scheme is that the quantity of the first reinforcing bar is 6.
Therefore the quantity of load-carrying steel plate and the quantity of the first reinforcing bar can be managed according to FRP and steel pipe combination coagulation
The adjustings such as volume, the construction requirement of soil structure are adjusted so that FRP is managed and steel pipe combination concrete structure remains good
Performance parameter.
Another Preferable scheme is that, FRP pipes, stirrup and the cylindrical setting of steel pipe or FRP pipes, stirrup and steel
Guan Juncheng flat columns are arranged.
Therefore the shape of FRP pipes and steel pipe combination concrete structure can be changed according to Practical Project demand,
So that FRP pipes and steel pipe combination concrete structure are more diversified, the beauty of FRP pipe and steel pipe combination concrete structure is improved
Degree.
Another Preferable scheme is that, concrete layer be normal concrete or high-strength concrete.
Therefore normal concrete has the advantages that at low cost, good plasticity, high intensity and durability are good, and
High-strength concrete has the advantages that compression strength is high, non-deformability is strong, density is big, porosity is low so that FRP is managed and steel pipe
Closing concrete structure can be replaced according to Practical Project demand, ensure that FRP pipes and steel pipe combination concrete structure can expire
Sufficient engine request.
Description of the drawings
Fig. 1 is the sectional view of the utility model FRP pipe and steel pipe combination concrete structure embodiment.
Fig. 2 is the sectional view under another visual angle of the utility model FRP pipes and steel pipe combination concrete structure embodiment.
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
Specific implementation mode
Referring to Figures 1 and 2, FRP pipes and steel pipe combination concrete structure 100 include FRP pipes 1, stirrup 2, steel pipe 3, multi-disc
Load-carrying steel plate 4, concrete layer, a plurality of first reinforcing bar 6 and a plurality of second reinforcing bar 7.FRP pipes 1 refer to by fibre reinforced composites
Manufactured tube body.
Preferably, FRP pipes 1, stirrup 2 and the cylindrical setting of steel pipe 3, and stirrup 2 and the inner tubal wall of FRP pipes 1 abut,
Stirrup 2 can connect load-carrying steel plate 4 and the first reinforcing bar 6, and stirrup 2 has certain anti-shear intensity, be bound round by being arranged
Muscle 2 so that FRP manages the need that disclosure satisfy that the anti-shear shearing stress during use with steel pipe combination concrete structure 100
It asks.
Steel pipe 3 is used to bear external pressure, pulling force and the shearing etc. for transmitting and, and steel pipe 3 is located in FRP pipes 1, and steel pipe 3
It is coaxially arranged with FRP pipes 1.Multi-disc load-carrying steel plate 4 is respectively positioned in FRP pipes 1, and multi-disc load-carrying steel plate 4 is along the circumferential equal of steel pipe 3
Even distribution is both connected to per a piece of load-carrying steel plate 4 between stirrup 2 and steel pipe 3, and load-carrying steel plate 4 can enhance FRP pipes and steel pipe
Close the stress performance of concrete structure 100.Specifically, bolt 41, the week of stirrup 2 are all had per the end of a piece of load-carrying steel plate 4
Multiple jacks 21 are provided on the end of wall, multiple jacks 21 are uniformly distributed along stirrup 2, and the bolt of a piece of load-carrying steel plate 4
41 connect with a jack 21.As it can be seen that the jack 21 being arranged on the bolt 41 and stirrup 2 that are arranged on load-carrying steel plate 4 can make FRP
When making, steel pipe 3, load-carrying steel plate 4 and the connection of stirrup 2 are more convenient, and insert for pipe and steel pipe combination concrete structure 100
Hole 21 can position load-carrying steel plate 4.
Concrete layer 5 is filled between stirrup 2 and steel pipe 3, specifically, per adjacent two panels load-carrying steel plate 4 and stirrup 2, steel
An accommodating chamber 30 is surrounded between pipe 3, concrete layer 5 is filled in each accommodating chamber 30.Concrete has in concrete layer 5
Higher compression strength, and the reinforcing bar of concrete layer 5 has stronger tensile strength, by the way that the two is combined so that coagulation
Soil layer 5 has good tension and anti-pressure ability.Preferably, concrete layer 5 is normal concrete or high-strength concrete, wherein
Normal concrete has the advantages that at low cost, good plasticity, high intensity and durability are good, and high-strength concrete has resistance to compression
The advantage that intensity is high, non-deformability is strong, density is big, porosity is low so that FRP is managed and steel pipe combination concrete structure being capable of root
Factually border engineering demand is replaced, and ensures that FRP pipes and steel pipe combination concrete structure disclosure satisfy that engine request.
A plurality of first reinforcing bar 6 is arranged along the axially extending of steel pipe 3, and a plurality of first reinforcing bar 6 is located at stirrup 2 and steel pipe 3
Between, and a plurality of first reinforcing bar 6 is uniformly distributed along the circumferential direction of steel pipe 3.Specifically, first reinforcing bar 6 is located at an accommodating chamber
In 30, and the first reinforcing bar 6 is connect with stirrup 2.As it can be seen that the first reinforcing bar 6 being arranged between stirrup 2 and steel pipe 3 can resist pulling force
And pressure, and then improve the tensile property and compressive property of FRP pipe and steel pipe combination concrete structure 100.
Along the setting that radially extends of steel pipe 3, a plurality of second reinforcing bar 7 is distributed a plurality of second reinforcing bar 7 along the axial direction of steel pipe 3,
And the second reinforcing bar of each 7 extends through FRP pipes 1, stirrup 2 and steel pipe 3.In FRP pipes and steel pipe combination concrete structure 100
A plurality of radially extended along steel pipe 3 and through FRP pipes 1, the second reinforcing bar 7 of stirrup 2 and steel pipe 3 is set on axial direction so that FRP
Pipe and steel pipe combination concrete structure 100 can have good anti-shear ability.
Preferably, the quantity of the load-carrying steel plate 4 is 4 to 8, and the quantity of the first reinforcing bar 6 is 4 to 8.More preferably
Ground scheme is that the quantity of load-carrying steel plate 3 is 6, and the quantity of the first reinforcing bar 6 is 6.As it can be seen that the quantity of load-carrying steel plate 4 and first
The quantity of reinforcing bar 6 can be managed according to FRP and the adjustings such as volume, the construction requirement of steel pipe combination concrete structure 100 are adjusted
It is whole so that FRP is managed and steel pipe combination concrete structure 100 remains good performance parameter.
Another Preferable scheme is that, FRP pipes 1, stirrup 2 and the cylindrical setting of steel pipe 3；Or FRP pipes 1, stirrup 2
It is in that flat column is arranged with steel pipe 3.As it can be seen that the shape of FRP pipes and steel pipe combination concrete structure 100 can be according to Practical Project
Demand changes so that FRP is managed and steel pipe combination concrete structure 100 is more diversified, improves FRP pipes and steel pipe combination is mixed
The aesthetics of Xtah Crude Clay structure 100.
When needing to make FRP pipes and steel pipe combination concrete structure 100, multi-disc load-carrying steel plate 4 is welded first
It is connected on the periphery wall of steel pipe 3.Then, the first reinforcing bar 6 is welded with stirrup 2, and by after welding steel pipe 3 and multi-disc carry
Weight steel plate 4 is in stirrup 2 so that the bolt 41 of a piece of load-carrying steel plate 4 is connected with a jack 21 on stirrup 2.
Then, FRP pipes 1 are nested on the periphery wall of stirrup 2 so that the periphery wall of stirrup 2 is abutted with the internal perisporium of FRP pipes 1.Then
Second reinforcing bar 7 is run through into FRP pipes 1, stirrup 2 and steel pipe 3, completes the making to FRP pipe and steel pipe combination concrete structure 100.
In addition, FRP pipes 1 have preferable corrosion resistance, also, by being combined FRP pipes 1, steel pipe 3 with concrete,
So that FRP pipes 1, steel pipe 3 can play the characteristic of itself with concrete so that FRP pipes 1 play circumferential direction to steel pipe 2 and concrete
Effect of contraction, and the elastoplasticity of steel pipe 3 makes FRP pipes and steel pipe combination concrete structure 100 have good axis calenderability, and
It ensure that the bearing capacity of concrete.In addition, the outsourcing constraint of FRP pipes 1 can not only reduce the dosage of steel pipe 3, but also can inhibit
The local buckling long-living during axis pressure of steel pipe 3 is also used as the protective layer of steel pipe 3, improves FRP pipes and steel pipe combination is mixed
The endurance quality of Xtah Crude Clay structure 100.Furthermore the combination of FRP pipes 1 and steel pipe 3 has larger axial rigidity, make FRP pipes and steel
Pipe combines concrete structure 100 has certain axial carrying capacity before casting concrete, can be poured directly as concrete
Template when building uses, and saves the manufacturing cost of template and shortens the completion time of project, while can also avoid in casting concrete
The local buckling phenomenon being likely to occur in the process.
To sum up, FRP pipes and steel pipe combination concrete structure provided by the utility model have sound construction, stability
It is good, anti-seismic performance is high, weight is small, service life is long, easy construction and corrosion resistant advantage.
Finally it is emphasized that the above is only the preferred embodiment of the present invention, it is not limited to this reality
With novel, for those skilled in the art, the utility model can have various change and change, all in the utility model
Spirit and principle within, any modification, equivalent substitution, improvement and etc. done should be included in the protection model of the utility model
Within enclosing.
Claims (10)
1. a kind of FRP pipes and steel pipe combination concrete structure, which is characterized in that including：
FRP is managed；
The inner tubal wall of stirrup, the stirrup and the FRP pipes abuts；
Steel pipe, the steel pipe is located in the FRP pipes, and the steel pipe is coaxially arranged with the FRP pipes；
Multi-disc load-carrying steel plate, load-carrying steel plate described in multi-disc are respectively positioned in the FRP pipes, and load-carrying steel plate is along the steel pipe described in multi-disc
It is circumferentially distributed, be both connected between the stirrup and the steel pipe per a piece of load-carrying steel plate；
Concrete layer, the concrete layer are filled between the stirrup and the steel pipe.
2. FRP pipes according to claim 1 and steel pipe combination concrete structure, it is characterised in that：
The FRP pipes and steel pipe combination concrete structure further include a plurality of first reinforcing bar, and a plurality of first reinforcing bar is along described
Steel pipe is arranged axially extendingly, and a plurality of first reinforcing bar is between the stirrup and the steel pipe, and a plurality of described
One reinforcing bar is circumferentially distributed along the steel pipe.
3. FRP pipes according to claim 2 and steel pipe combination concrete structure, it is characterised in that：
The FRP pipes and steel pipe combination concrete structure further include a plurality of second reinforcing bar, and a plurality of second reinforcing bar is along described
Steel pipe radially extends setting, and a plurality of second reinforcing bar is distributed along the axial direction of the steel pipe, and the second reinforcing bar described in each
Respectively run through FRP pipes, the stirrup and the steel pipe.
4. FRP pipes according to claim 3 and steel pipe combination concrete structure, it is characterised in that：
End per a piece of load-carrying steel plate is both provided with bolt, and multiple jacks are arranged on the end of the peripheral wall of the stirrup,
The bolt of a piece of load-carrying steel plate is connect with a jack.
5. according to claim 2 to 4 any one of them FRP pipes and steel pipe combination concrete structure, it is characterised in that：
The quantity of the load-carrying steel plate is 4 to 8.
6. FRP pipes according to claim 5 and steel pipe combination concrete structure, it is characterised in that：
The quantity of first reinforcing bar is 4 to 8；
Load-carrying steel plate described in per adjacent two panels surrounds an accommodating chamber, first reinforcing bar with the stirrup, the steel pipe
In an accommodating chamber.
7. FRP pipes according to claim 5 and steel pipe combination concrete structure, it is characterised in that：
The quantity of the load-carrying steel plate is 6.
8. FRP pipes according to claim 7 and steel pipe combination concrete structure, it is characterised in that：
The quantity of first reinforcing bar is 6.
9. FRP pipes according to any one of claims 1 to 4 and steel pipe combination concrete structure, it is characterised in that：
The FRP pipes, the stirrup and the cylindrical setting of the steel pipe；Or
The FRP pipes, the stirrup and the steel pipe are in that flat column is arranged.
10. FRP pipes according to any one of claims 1 to 4 and steel pipe combination concrete structure, it is characterised in that：
The concrete layer is normal concrete or high-strength concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721731116.8U CN207633185U (en) | 2017-12-11 | 2017-12-11 | A kind of FRP pipe and steel pipe combination concrete structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721731116.8U CN207633185U (en) | 2017-12-11 | 2017-12-11 | A kind of FRP pipe and steel pipe combination concrete structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207633185U true CN207633185U (en) | 2018-07-20 |
Family
ID=62862591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721731116.8U Expired - Fee Related CN207633185U (en) | 2017-12-11 | 2017-12-11 | A kind of FRP pipe and steel pipe combination concrete structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207633185U (en) |
-
2017
- 2017-12-11 CN CN201721731116.8U patent/CN207633185U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180720 Termination date: 20211211 |