CN216276461U - FRP rib recycled concrete beam under chloride ion corrosion environment - Google Patents
FRP rib recycled concrete beam under chloride ion corrosion environment Download PDFInfo
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- CN216276461U CN216276461U CN202120135614.6U CN202120135614U CN216276461U CN 216276461 U CN216276461 U CN 216276461U CN 202120135614 U CN202120135614 U CN 202120135614U CN 216276461 U CN216276461 U CN 216276461U
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- frp
- rib
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- ribs
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- 230000007797 corrosion Effects 0.000 title claims abstract description 36
- 238000005260 corrosion Methods 0.000 title claims abstract description 36
- 239000004567 concrete Substances 0.000 title claims abstract description 31
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 title claims abstract description 17
- 239000004918 carbon fiber reinforced polymer Substances 0.000 claims abstract description 24
- 230000002787 reinforcement Effects 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 210000003205 muscle Anatomy 0.000 claims description 52
- 230000003014 reinforcing effect Effects 0.000 claims description 29
- 230000009756 muscle regeneration Effects 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 6
- 229920002430 Fibre-reinforced plastic Polymers 0.000 abstract 2
- 239000011151 fibre-reinforced plastic Substances 0.000 abstract 2
- 238000010276 construction Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 1
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- Rod-Shaped Construction Members (AREA)
Abstract
The utility model discloses an FRP (fiber reinforced plastic) bar recycled concrete beam in a chloride ion corrosion environment, which comprises a beam body consisting of a steel bar framework and recycled concrete, wherein the steel bar framework comprises a plurality of stirrups along the beam direction, a beam bottom stress bar group and a beam top stress bar group are arranged in each stirrup, and the beam bottom stress bar group is in a plane shape formed by tiling a plurality of bars. The beam bottom stress reinforcement is a corrosion-resistant reinforcement net and consists of four CFRP reinforcements and stirrups, wherein two of the CFRP reinforcements are positioned on the inner side of the bending part of the stirrups, and two of the CFRP reinforcements are positioned on the inner side of the bottom straight section of the stirrups; the stress rib group at the top of the beam still uses common steel bars, and the characteristic of high compressive strength of common tightening is fully exerted. The utility model can digest and treat a part of waste concrete, saves the consumption of natural resources and is environment-friendly.
Description
Technical Field
The utility model belongs to the technical field of building engineering, and particularly relates to an FRP rib recycled concrete beam in a chloride ion corrosion environment.
Background
Along with the continuous development of the construction industry, the construction waste becomes a serious burden of the ecological environment, and the problem that how to improve the resource rate of the construction waste is needed to be solved at present becomes urgent; meanwhile, the problems of durability and safety of many reinforced concrete structures in corrosive environments are also a big problem in the current engineering.
In order to solve the problems, the recycled concrete prepared by using the construction waste is taken as a starting point, the FRP rib recycled concrete beam is taken as a research object, the FRP rib recycled concrete beam in the chloride ion corrosion environment is provided, and technical support is provided for the application of the FRP rib recycled concrete in the complex environment.
Disclosure of Invention
The utility model is provided for solving the problems in the prior art, and aims to provide an FRP rib recycled concrete beam in a chloride ion corrosion environment.
The technical scheme of the utility model is as follows: the utility model provides a FRP muscle recycled concrete roof beam under chloride ion corrosion environment, includes the roof beam body of compriseing framework of steel reinforcement and recycled concrete, framework of steel reinforcement includes a plurality of stirrups along the roof beam to, be provided with roof beam bottom atress muscle group and roof beam top atress muscle group in the stirrup, roof beam bottom atress muscle group is the plane of many muscle tiling formation.
Furthermore, the beam bottom stress rib group comprises a first FRP rib and a second FRP rib, and the first FRP rib and the second FRP rib are respectively arranged on the inner sides of two bending parts at the lower part of the stirrup.
Furthermore, the beam bottom stress rib group further comprises a No. III FRP rib and a No. IV FRP rib, and the No. III FRP rib and the No. IV FRP rib are arranged on the inner side of the horizontal section at the bottom of the stirrup.
Furthermore, the No. I FRP rib, the No. II FRP rib, the No. III FRP rib and the No. IV FRP rib are positioned on the same horizontal plane, and the No. I FRP rib, the No. II FRP rib, the No. III FRP rib and the No. IV FRP rib are combined with the bottom horizontal section of the stirrup to form a bearing and corrosion-resistant rib net.
Furthermore, the No. I FRP ribs, the No. II FRP ribs, the No. III FRP ribs and the No. IV FRP ribs are tiled at equal intervals.
Furthermore, the No. III FRP ribs and the No. IV FRP ribs are fixed with the stirrups in a binding mode.
Furthermore, roof beam top atress muscle group is including No. I reinforcing bar, No. II reinforcing bars, No. I reinforcing bar, No. II reinforcing bars are the better ordinary reinforcing bar of compressive strength degree.
Furthermore, No. I reinforcing bar, II reinforcing bar set up respectively in the inboard of two departments of buckling in stirrup upper portion.
Furthermore, the stirrup is rectangular.
Furthermore, the No. I FRP rib, the No. II FRP rib, the No. III FRP rib and the No. IV FRP rib are CFRP ribs with less corrosion resistance.
The beam bottom stress reinforcement is a corrosion-resistant reinforcement net and consists of four CFRP reinforcements and stirrups, wherein two of the CFRP reinforcements are positioned on the inner side of the bending part of the stirrups, and two of the CFRP reinforcements are positioned on the inner side of the bottom straight section of the stirrups; the stress rib group at the top of the beam still uses common steel bars, and the characteristic of high compressive strength of common tightening is fully exerted.
The utility model can digest and treat a part of waste concrete, saves the consumption of natural resources and has higher environmental protection; the structure is particularly suitable for the structure in a corrosive environment, and the corrosion resistance and the durability of the structure are improved.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
wherein:
1 Beam body 2 stirrup
No. 4 FRP rib of 3 recycled concrete
No. 5 II FRP rib No. 6 III FRP rib
No. 7 IV FRP rib No. 8I steel bar
No. 9 II steel bar 10 stirrup binding point.
Detailed Description
The present invention is described in detail below with reference to the accompanying drawings and examples:
as shown in figures 1-2, an FRP rib recycled concrete beam under chloride ion corrosion environment comprises a beam body 1 consisting of a steel bar framework and recycled concrete 3, wherein the steel bar framework comprises a plurality of stirrups 2 along the beam direction, a beam bottom stress rib group and a beam top stress rib group are arranged in the stirrups 2, and the beam bottom stress rib group is in a plane shape formed by tiling a plurality of ribs.
The beam bottom stress rib group comprises a first FRP rib 4 and a second FRP rib 5, wherein the first FRP rib 4 and the second FRP rib 5 are respectively arranged on the inner sides of two bending parts at the lower part of the stirrup 2.
The beam bottom stress rib group further comprises a No. III FRP rib 6 and a No. IV FRP rib 7, and the No. III FRP rib 6 and the No. IV FRP rib 7 are arranged on the inner side of the horizontal section at the bottom of the stirrup 2.
No. I FRP muscle 4, No. II FRP muscle 5, No. III FRP muscle 6, No. IV FRP muscle 7 are in same horizontal plane, No. I FRP muscle 4, No. II FRP muscle 5, No. III FRP muscle 6, No. IV FRP muscle 7 combine to form with the bottom horizontal segment of stirrup 2 and bear and corrosion-resistant muscle net.
No. I FRP muscle 4, No. II FRP muscle 5, No. III FRP muscle 6, No. IV FRP muscle 7 equidistant tiling.
The III number FRP ribs 6 and the IV number FRP ribs 7 are fixed with the stirrups 2 in a binding mode.
Roof beam top atress muscle group is including No. I reinforcing bar 8, No. II reinforcing bar 9, No. I reinforcing bar 8, No. II reinforcing bar 9 are the better ordinary reinforcing bar of compressive strength degree.
No. I reinforcing bar 8, No. II reinforcing bar 9 set up respectively in the inboard of 2 upper portions two departments of buckling of stirrup.
The stirrup 2 is rectangular.
The No. I FRP ribs 4, the No. II FRP ribs 5, the No. III FRP ribs 6 and the No. IV FRP ribs 7 are CFRP ribs with less corrosion resistance.
The CFRP is an abbreviation of Carbon Fiber Reinforced Polymer/Plastic, and the FRP ribs No. I4, the FRP ribs No. II 5, the FRP ribs No. III 6 and the FRP ribs No. IV 7 are CFRP ribs, so that the CFRP has high bearing capacity and good corrosion resistance, and the concrete has good durability in a corrosive environment.
Yet another embodiment
The utility model provides a FRP muscle recycled concrete roof beam under chloride ion corrosion environment, includes the roof beam body 1 of compriseing framework of steel reinforcement and recycled concrete 3, framework of steel reinforcement includes a plurality of stirrups 2 along the roof beam to, be provided with roof beam bottom atress muscle group and roof beam top atress muscle group in the stirrup 2, roof beam bottom atress muscle group is the plane of many muscle tiling formation.
The beam bottom stress rib group comprises a first FRP rib 4 and a second FRP rib 5, wherein the first FRP rib 4 and the second FRP rib 5 are respectively arranged on the inner sides of two bending parts at the lower part of the stirrup 2.
The beam bottom stress rib group further comprises a No. III FRP rib 6 and a No. IV FRP rib 7, and the No. III FRP rib 6 and the No. IV FRP rib 7 are arranged on the inner side of the horizontal section at the bottom of the stirrup 2.
No. I FRP muscle 4, No. II FRP muscle 5, No. III FRP muscle 6, No. IV FRP muscle 7 are in same horizontal plane, No. I FRP muscle 4, No. II FRP muscle 5, No. III FRP muscle 6, No. IV FRP muscle 7 combine to form with the bottom horizontal segment of stirrup 2 and bear and corrosion-resistant muscle net.
No. I FRP muscle 4, No. II FRP muscle 5, No. III FRP muscle 6, No. IV FRP muscle 7 equidistant tiling.
The III number FRP ribs 6 and the IV number FRP ribs 7 are fixed with the stirrups 2 in a binding mode.
Roof beam top atress muscle group is including No. I reinforcing bar 8, No. II reinforcing bar 9, No. I reinforcing bar 8, No. II reinforcing bar 9 are the better ordinary reinforcing bar of compressive strength degree.
No. I reinforcing bar 8, No. II reinforcing bar 9 set up respectively in the inboard of 2 upper portions two departments of buckling of stirrup.
The stirrup 2 is rectangular.
The No. I FRP ribs 4, the No. II FRP ribs 5, the No. III FRP ribs 6 and the No. IV FRP ribs 7 are CFRP ribs with less corrosion resistance.
The CFRP is an abbreviation of Carbon Fiber Reinforced Polymer/Plastic, and the FRP ribs No. I4, the FRP ribs No. II 5, the FRP ribs No. III 6 and the FRP ribs No. IV 7 are CFRP ribs, so that the CFRP has high bearing capacity and good corrosion resistance, and the concrete has good durability in a corrosive environment.
The stirrups 2 are uniformly distributed at equal intervals along the beam direction. Thereby ensuring the overall consistency of the beam body 1.
Preferably, the corrosion-resistant rib net formed by combining the horizontal section at the bottom of the stirrup 2, the No. I FRP rib 4, the No. II FRP rib 5, the No. III FRP rib 6 and the No. IV FRP rib 7 is positioned on the supporting part.
The stirrup 2 also comprises stirrup-tying points 10 for closing it.
Preferably, stirrup binding point 10 is located No. II reinforcing bar 9, avoids setting up in corrosion-resistant bar net.
The stirrup 2 is a CFRP rib and also has better corrosion resistance.
The beam bottom stress reinforcement is a corrosion-resistant reinforcement net and consists of four CFRP reinforcements and stirrups, wherein two of the CFRP reinforcements are positioned on the inner side of the bending part of the stirrups, and two of the CFRP reinforcements are positioned on the inner side of the bottom straight section of the stirrups; the stress rib group at the top of the beam still uses common steel bars, and the characteristic of high compressive strength of common tightening is fully exerted.
The utility model can digest and treat a part of waste concrete, saves the consumption of natural resources and has higher environmental protection; the structure is particularly suitable for the structure in a corrosive environment, and the corrosion resistance and the durability of the structure are improved.
Claims (8)
1. The utility model provides a FRP muscle regeneration concrete roof beam under chloride ion corrosion environment, includes the roof beam body (1) of constituteing by framework of steel reinforcement and recycled concrete (3), its characterized in that: the steel bar framework comprises a plurality of stirrups (2) along the beam direction, a beam bottom stress rib group and a beam top stress rib group are arranged in each stirrup (2), the beam bottom stress rib group is a plane formed by tiling a plurality of ribs,
the beam bottom stress rib group comprises a first FRP rib (4) and a second FRP rib (5), and the first FRP rib (4) and the second FRP rib (5) are respectively arranged on the inner sides of two bent parts at the lower part of the stirrup (2);
the beam bottom stress rib group further comprises a No. III FRP rib (6) and a No. IV FRP rib (7), and the No. III FRP rib (6) and the No. IV FRP rib (7) are arranged on the inner side of the horizontal section at the bottom of the stirrup (2);
the corrosion-resistant rib net formed by combining the horizontal section at the bottom of the stirrup (2), the FRP rib I (4), the FRP rib II (5), the FRP rib III (6) and the FRP rib IV (7) is positioned on the supporting part.
2. The FRP rib recycled concrete beam in the chloride ion corrosion environment as claimed in claim 1, which is characterized in that: no. I FRP muscle (4), No. II FRP muscle (5), No. III FRP muscle (6), No. IV FRP muscle (7) are in same horizontal plane, the bottom horizontal segment of No. I FRP muscle (4), No. II FRP muscle (5), No. III FRP muscle (6), No. IV FRP muscle (7) and stirrup (2) combines to form and bears and corrosion-resistant rib net.
3. The FRP rib recycled concrete beam in the chloride ion corrosion environment as claimed in claim 2, which is characterized in that: no. I FRP muscle (4), No. II FRP muscle (5), No. III FRP muscle (6), No. IV FRP muscle (7) equidistant tiling.
4. The FRP rib recycled concrete beam in the chloride ion corrosion environment as claimed in claim 3, which is characterized in that: the III-grade FRP ribs (6) and the IV-grade FRP ribs (7) are fixed with the stirrups (2) in a binding mode.
5. The FRP rib recycled concrete beam in the chloride ion corrosion environment as claimed in claim 4, which is characterized in that: roof beam top atress muscle group is including No. I reinforcing bar (8), No. II reinforcing bar (9), No. I reinforcing bar (8), No. II reinforcing bar (9) are ordinary reinforcing bar.
6. The FRP rib recycled concrete beam in the chloride ion corrosion environment as claimed in claim 5, which is characterized in that: no. I reinforcing bar (8), II reinforcing bar (9) set up respectively in the inboard of two departments of buckling in stirrup (2) upper portion.
7. The FRP rib recycled concrete beam in the chloride ion corrosion environment as claimed in claim 6, which is characterized in that: the stirrup (2) is rectangular.
8. The FRP rib recycled concrete beam in the chloride ion corrosion environment as claimed in claim 1, which is characterized in that: the No. I FRP ribs (4), the No. II FRP ribs (5), the No. III FRP ribs (6) and the No. IV FRP ribs (7) are CFRP ribs with corrosion resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120135614.6U CN216276461U (en) | 2021-01-19 | 2021-01-19 | FRP rib recycled concrete beam under chloride ion corrosion environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120135614.6U CN216276461U (en) | 2021-01-19 | 2021-01-19 | FRP rib recycled concrete beam under chloride ion corrosion environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216276461U true CN216276461U (en) | 2022-04-12 |
Family
ID=81002411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120135614.6U Expired - Fee Related CN216276461U (en) | 2021-01-19 | 2021-01-19 | FRP rib recycled concrete beam under chloride ion corrosion environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216276461U (en) |
-
2021
- 2021-01-19 CN CN202120135614.6U patent/CN216276461U/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: 20220412 |