CN110319281B - Fabric reinforced concrete-steel tube-FRP composite tube and manufacturing method thereof - Google Patents
Fabric reinforced concrete-steel tube-FRP composite tube and manufacturing method thereof Download PDFInfo
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- CN110319281B CN110319281B CN201910621527.9A CN201910621527A CN110319281B CN 110319281 B CN110319281 B CN 110319281B CN 201910621527 A CN201910621527 A CN 201910621527A CN 110319281 B CN110319281 B CN 110319281B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 97
- 239000010959 steel Substances 0.000 title claims abstract description 97
- 239000004744 fabric Substances 0.000 title claims abstract description 40
- 239000002131 composite material Substances 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000000835 fiber Substances 0.000 claims abstract description 35
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000004567 concrete Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229920001971 elastomer Polymers 0.000 claims abstract description 8
- 229920005989 resin Polymers 0.000 claims abstract description 8
- 239000011347 resin Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 10
- 239000004568 cement Substances 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 8
- 229920002748 Basalt fiber Polymers 0.000 claims description 6
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 6
- 239000006004 Quartz sand Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 229920006231 aramid fiber Polymers 0.000 claims description 6
- 239000004917 carbon fiber Substances 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 239000010881 fly ash Substances 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 6
- 229910021487 silica fume Inorganic materials 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000003733 fiber-reinforced composite Substances 0.000 claims description 3
- 229920001568 phenolic resin Polymers 0.000 claims description 3
- 239000005011 phenolic resin Substances 0.000 claims description 3
- 229920006122 polyamide resin Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920013716 polyethylene resin Polymers 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 19
- 238000005260 corrosion Methods 0.000 abstract description 19
- 239000010410 layer Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 239000011229 interlayer Substances 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 244000005700 microbiome Species 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 3
- 239000002585 base Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/08—Joints with sleeve or socket with additional locking means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a fabric reinforced concrete-steel tube-FRP composite tube, which comprises an FRP round tube, a thin-wall steel tube and fabric reinforced concrete which are coaxially arranged from inside to outside, wherein fine concrete is poured between the FRP round tube and the thin-wall steel tube; the outer surface of the interface is provided with a steel sleeve ring through a stud, and a sealing rubber pad is arranged below the steel sleeve ring. According to the invention, the inner layer of the pipe is made of the resin fiber reinforced material, so that the pipe has the advantages of corrosion resistance, fatigue resistance, light weight and the like, the inner wall of the formed pipe is smooth, no microorganism grows, the water flow is large, the service life is long, and the later maintenance cost is reduced; because the middle interlayer adopts the steel pipe, the composite pipe has higher pressure bearing capacity and higher rigidity; the fabric reinforced concrete on the outer layer has a further constraint effect on the inner steel pipe and the FRP, so that the bearing capacity and the pressure resistance of the pipe are further enhanced, and the fabric reinforced concrete has good corrosion resistance and impermeability, so that the service life of the pipe is longer.
Description
Technical Field
The invention relates to a fabric reinforced concrete-steel tube-FRP composite tube and a manufacturing method thereof, belonging to the technical field of tubes.
Background
With the continuous development of cities and the continuous improvement of environmental protection requirements, buried water pipelines and drainage and sewage pipelines are widely applied to urban underground pipe networks. The traditional reinforced concrete pipeline has relatively rough pipe wall, is easy to attach to polluting liquid, can reduce the circulation area of the pipeline after long-term use, and increases the resistance between the liquids. In addition, the concrete pipeline is easy to seep water, the sealing performance is poor, the corrosion problem is easy to exist in the using process, the corrosion mode belongs to chronic corrosion and is not easy to be found by an inspector, and the stress corrosion cracking is a cracking phenomenon caused when the pipeline is subjected to corrosion, tension and stress simultaneously, so that the damage is extremely large.
For the adopted composite pipeline, a steel pipe is mostly used as a base pipe, and the outer side of the base pipe is wrapped with a heat insulation material or an elastomer material for molding. However, in the use process of the composite pipeline, due to the action of vehicle load, the buried pipeline may crack or increase cracks of the composite pipeline due to overlarge pressure, so that the normal use of the pipeline is influenced, and further the daily life of people is influenced. In addition, the pipe is easy to have technical problems of corrosion, poor corrosion resistance, short service life and the like.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides the fabric reinforced concrete-steel tube-FRP composite tube and the manufacturing method thereof, and the fabric reinforced concrete-steel tube-FRP composite tube has the characteristics of corrosion resistance, strong pressure bearing capacity, good sealing performance and the like, and is thin in tube wall, light in weight, small in inner wall smooth resistance, convenient to construct and easy to install.
The technical scheme is as follows: in order to achieve the purpose, the invention adopts the technical scheme that:
a fabric reinforced concrete-steel tube-FRP composite tube comprises an FRP round tube, a thin-wall steel tube and fabric reinforced concrete which are coaxially arranged from inside to outside;
the FRP circular tube is formed by winding a plurality of strands of continuous fibers after being treated by a resin material, and two ends of the FRP circular tube are respectively provided with a socket and a socket; one end of the thin-wall steel pipe is shorter than the FRP round pipe, the other end of the thin-wall steel pipe is longer than the FRP round pipe, and fine concrete is poured between the FRP round pipe and the thin-wall steel pipe; the fabric reinforced concrete with good corrosion resistance and high bearing capacity is poured outside the thin-wall steel tube, the outer surface of the fabric reinforced concrete at the joint is provided with a steel sleeve ring through a stud, and a sealing rubber pad is arranged below the steel sleeve ring.
Further, the resin material types adopted in the FRP circular tube forming process comprise polyamide resin, polyethylene resin, phenolic resin, epoxy resin and the like.
Furthermore, the winding angle of the fiber yarn in the FRP circular tube forming process is +/-80 degrees to +/-90 degrees.
Furthermore, the types of continuous fibers in the FRP round pipe forming process comprise aramid fibers, carbon fibers, glass fibers, basalt fibers, PBO fibers and hybrid fibers.
Further, the thin-wall steel pipe is a seamless steel pipe.
Further, the fabric reinforced concrete is composed of a fiber woven mesh and fine concrete.
Further, the types of the fiber woven web include: carbon fiber woven mesh, glass fiber woven mesh, PBO fiber woven mesh, basalt fiber woven mesh, aramid fiber woven mesh, and hybrid fiber woven mesh.
Further, the fine concrete comprises cement, fly ash, silica fume, quartz sand and a water reducing agent respectively, wherein the water-cement ratio is 0.38-0.40, the water reducing agent accounts for 1.5-2.5% of the mass of the cement, the fly ash accounts for 20-25% of the total mass of the cementing material, the silica fume accounts for 5-7.5% of the total mass of the cementing material, and the quartz sand accounts for 1000-1400 kg (the particle size is 0-0.6 mm, and the specific gravity of 0.6-1.2 mm is 2: 1).
Furthermore, the steel lantern ring is fixed on the surface of the steel pipe through the stud welding.
A method for manufacturing a fabric reinforced concrete-steel tube-FRP composite tube comprises the following steps:
1) the fiber reinforced composite material-fiber yarn is wound and processed to prepare a corrosion-resistant FRP round pipe as an inner layer, and two ends of the FRP round pipe are provided with a socket and a socket;
2) arranging a thin-wall steel pipe on the outer side of the FRP round pipe according to design requirements, wherein the steel pipe is superposed with the central axis of the FRP round pipe, one end of the steel pipe is shorter than the FRP round pipe, the other end of the steel pipe is longer than the FRP round pipe, and the shortening and extending values of the two ends of the steel pipe are determined according to engineering requirements;
3) pouring fine concrete between the FRP round pipe and the thin-wall steel pipe;
4) the method comprises the following steps that studs are arranged on the outer surface of a steel pipe at equal intervals in the circumferential direction, and the studs are welded with a steel lantern ring;
5) pouring fabric reinforced concrete with good corrosion resistance and high bearing capacity on the outer side of the thin-wall steel pipe, wherein the number of layers of the fiber woven mesh is arranged according to the actual engineering requirement;
6) and a sealing rubber pad is arranged below the steel sleeve ring, so that the sealing effect is achieved when the pipeline is assembled.
Has the advantages that: compared with the prior art, the fabric reinforced concrete-steel tube-FRP composite tube and the manufacturing method thereof provided by the invention have the following advantages:
1) the corrosion resistance is good. The inner layer of the pipe is made of the FRP material which is resistant to acid and alkali, so that the service life of the pipe is long, the later-stage maintenance and repair cost is reduced, meanwhile, the use channel of the pipe is widened, the pipe can be applied to corrosive liquid conveying, in addition, the corrosion of the interlayer steel pipe is avoided due to the application of the fabric reinforced concrete, and the service life of the pipe is further prolonged.
2) The bearing capacity is strong. The FRP material tensile strength is high, and the FRP pipe bearing capacity through winding shaping is strong, and the steel pipe that the intermediate layer used also has better bearing capacity, and outer fabric reinforced concrete has further constraint effect to inside steel pipe and FRP simultaneously, and this has greatly avoided the pipeline to take place to break, has reduced the risk that the pipeline breaks because of the not enough emergence of bearing in the use.
3) The sealing performance is good. The pipe interface is provided with the socket joint, reserves the socket and uses the steel lantern ring, and multiple measures have greatly promoted the leakproofness of tubular product.
4) The pipe has thin wall, light weight, small smooth resistance of the inner wall, convenient construction and easy installation.
Drawings
FIG. 1 is a schematic structural diagram of a fabric reinforced concrete-steel tube-FRP composite tube according to the present invention;
FIG. 2 is a view of the structure of FIG. 1 taken along line A-A;
FIG. 3 is a structural view of composite tube A and composite tube B of FIG. 2 at the interface;
the figure includes: 1. the steel pipe comprises a fiber woven mesh, 2 parts of thin-wall steel pipes, 3 parts of fine concrete, 4 parts of FRP round pipes, 5 parts of steel sleeve rings, 6 parts of studs.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-3, the fabric reinforced concrete-steel tube-FRP composite tube comprises a FRP round tube 4, a thin-walled steel tube 2, and fabric reinforced concrete, which are coaxially arranged from inside to outside;
the FRP round tube 4 is formed by winding a plurality of strands of continuous fibers after being treated by a resin material, and two ends of the FRP round tube 4 are respectively provided with a socket and a socket; one end of the thin-wall steel tube 2 is shorter than the FRP round tube 4, the other end of the thin-wall steel tube is longer than the FRP round tube 4, and fine concrete 3 is poured between the FRP round tube 4 and the thin-wall steel tube 2; the outer surface of the fabric reinforced concrete at the interface is provided with a steel sleeve ring 5 through a stud 6, and a sealing rubber pad is arranged below the steel sleeve ring 5.
The resin material types adopted in the FRP circular tube 4 forming process comprise polyamide resin, polyethylene resin, phenolic resin, epoxy resin and the like.
The continuous fiber types adopted in the FRP circular tube 4 forming process comprise aramid fiber, carbon fiber, glass fiber, basalt fiber, PBO fiber and hybrid fiber, and the winding angle of fiber yarn is +/-80 degrees to +/-90 degrees.
The thin-wall steel pipe 2 is a seamless steel pipe; the steel lantern ring 5 is fixed on the surface of the steel pipe through the stud 6 in a welding mode.
The fabric reinforced concrete is composed of a fiber woven mesh 1 and fine concrete 3: the types of the fiber woven mesh 1 comprise a carbon fiber woven mesh, a glass fiber woven mesh, a PBO fiber woven mesh, a basalt fiber woven mesh, an aramid fiber woven mesh and a hybrid fiber woven mesh.
The fine concrete 3 comprises cement, fly ash, silica fume, quartz sand and a water reducing agent respectively, wherein the water-cement ratio is 0.38-0.40, the water reducing agent accounts for 1.5-2.5% of the mass of the cement, the fly ash accounts for 20-25% of the total mass of the cementing material, the silica fume accounts for 5-7.5% of the total mass of the cementing material, and the quartz sand accounts for 1000-1400 kg (the particle size is 0-0.6 mm, and the specific gravity of 0.6-1.2 mm is 2: 1).
A method for manufacturing a fabric reinforced concrete-steel tube-FRP composite tube comprises the following steps:
1) the fiber reinforced composite material-fiber yarn is wound and processed to prepare a corrosion-resistant FRP round tube as an inner layer, and two ends of the FRP round tube are provided with a socket and a socket;
2) arranging a thin-wall steel pipe outside the FRP pipe according to design requirements, wherein the central axes of the steel pipe and the FRP pipe are overlapped, one end of the steel pipe is shorter than the FRP pipe, the other end of the steel pipe is longer than the FRP pipe, and the shortening and extending values of the two ends of the steel pipe are determined according to engineering requirements;
3) fine concrete is used for pouring between the FRP pipe and the thin-wall steel pipe;
4) the method comprises the following steps that studs are arranged on the outer surface of a steel pipe at equal intervals in the circumferential direction, and the studs are welded with a steel lantern ring;
5) pouring fabric reinforced concrete with good corrosion resistance and high bearing capacity on the outer side of the thin-wall steel pipe, wherein the number of layers of the fiber woven mesh is arranged according to the actual engineering requirement;
6) and a sealing rubber pad is arranged below the steel sleeve ring, so that the sealing effect is achieved when the pipeline is assembled.
According to the invention, the inner layer of the pipe is made of the resin fiber reinforced material, so that the pipe has the advantages of corrosion resistance, fatigue resistance, light weight and the like, the inner wall of the formed pipe is smooth, no microorganism grows, the water flow is large, the service life is long, and the later maintenance cost is reduced; because the middle interlayer adopts the steel pipe, the novel composite pipe provided by the invention has higher pressure-bearing capacity and higher rigidity; the fabric reinforced concrete on the outer layer has a further constraint effect on the inner steel pipe and the FRP, so that the bearing capacity and the pressure resistance of the pipe are further enhanced, and the fabric reinforced concrete has good corrosion resistance and impermeability, so that the service life of the pipe is longer. In addition, the socket and the reserved insertion opening are arranged at the pipe joint, and the steel lantern ring is used, so that the sealing performance of the pipe is obviously improved.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (7)
1. The fabric reinforced concrete-steel tube-FRP composite tube is characterized by comprising an FRP round tube (4), a thin-wall steel tube (2) and fabric reinforced concrete which are coaxially arranged from inside to outside;
the FRP round pipe (4) is formed by winding a plurality of strands of continuous fibers after being treated by a resin material, and two ends of the FRP round pipe (4) are respectively provided with a socket and a socket; one end of the thin-wall steel tube (2) is shorter than the FRP round tube (4), the other end of the thin-wall steel tube is longer than the FRP round tube (4), and fine concrete (3) is poured between the FRP round tube (4) and the thin-wall steel tube (2); the outer surface of the interface of the fabric reinforced concrete is provided with a steel sleeve ring (5) through a stud (6), and a sealing rubber pad is arranged below the steel sleeve ring (5);
the winding angle of the fiber yarn in the FRP circular tube (4) forming process is +/-80 degrees to +/-90 degrees;
the fabric reinforced concrete is composed of a fiber woven mesh (1) and fine concrete (3);
the fine concrete (3) comprises cement, fly ash, silica fume, quartz sand and a water reducing agent, wherein the water-cement ratio is 0.38-0.40, the water reducing agent accounts for 1.5-2.5% of the mass of the cement, the fly ash accounts for 20-25% of the total mass of a cementing material, the silica fume accounts for 5-7.5% of the total mass of the cementing material, and the quartz sand accounts for 1000-1400 kg.
2. The fabric reinforced concrete-steel tube-FRP composite tube as claimed in claim 1, wherein the resin material type used in the FRP round tube (4) forming process comprises polyamide resin, polyethylene resin, phenolic resin and epoxy resin.
3. The fabric reinforced concrete-steel tube-FRP composite tube as claimed in claim 1, wherein the continuous fiber type used in the FRP round tube (4) forming process comprises aramid fiber, carbon fiber, glass fiber, basalt fiber, PBO fiber and hybrid fiber.
4. A fabric reinforced concrete-steel tube-FRP composite pipe as claimed in claim 1, wherein said thin-walled steel tube (2) is a seamless steel tube.
5. A fabric reinforced concrete-steel pipe-FRP composite pipe according to claim 1, characterized in that the type of said woven fiber mesh (1) comprises woven carbon fiber mesh, woven glass fiber mesh, woven PBO fiber mesh, woven basalt fiber mesh, woven aramid fiber mesh, woven hybrid fiber mesh.
6. A fabric reinforced concrete-steel pipe-FRP composite pipe as claimed in claim 1, wherein said steel collar (5) is welded and fixed to the steel pipe surface by means of studs (6).
7. A method for manufacturing a fabric reinforced concrete-steel tube-FRP composite tube based on the fabric reinforced concrete-steel tube-FRP composite tube of claim 1, which is characterized by comprising the following steps:
1) the FRP round pipe (4) is manufactured by winding and processing fiber reinforced composite material-fiber yarn as an inner layer, and two ends of the FRP round pipe (4) are provided with a socket and a socket;
2) arranging a thin-wall steel pipe (2) on the outer side of the FRP round pipe (4), wherein the thin-wall steel pipe (2) is superposed with the central axis of the FRP round pipe (4), one end of the thin-wall steel pipe (2) is shorter than the FRP round pipe (4), and the other end of the thin-wall steel pipe (2) is longer than the FRP round pipe (4);
3) pouring fine concrete (3) between the FRP circular tube (4) and the thin-wall steel tube (2);
4) studs (6) are arranged on the outer surface of the thin-wall steel pipe (2) at equal intervals, and steel lantern rings (5) are welded on the outer sides of the studs (6);
5) pouring fabric reinforced concrete outside the thin-wall steel pipe (2);
6) and a sealing rubber pad is arranged on the inner side of the steel sleeve ring (5).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910621527.9A CN110319281B (en) | 2019-07-10 | 2019-07-10 | Fabric reinforced concrete-steel tube-FRP composite tube and manufacturing method thereof |
| PCT/CN2019/109876 WO2021003861A1 (en) | 2019-07-10 | 2019-10-08 | Textile-reinforced concrete-steel pipe-frp composite pipe and manufacturing method therefor |
| AU2019456680A AU2019456680B2 (en) | 2019-07-10 | 2019-10-08 | Textile-reinforced concrete-steel pipe-FRP composite pipe and manufacturing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910621527.9A CN110319281B (en) | 2019-07-10 | 2019-07-10 | Fabric reinforced concrete-steel tube-FRP composite tube and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110319281A CN110319281A (en) | 2019-10-11 |
| CN110319281B true CN110319281B (en) | 2021-01-08 |
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| CN201910621527.9A Active CN110319281B (en) | 2019-07-10 | 2019-07-10 | Fabric reinforced concrete-steel tube-FRP composite tube and manufacturing method thereof |
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| Country | Link |
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| CN (1) | CN110319281B (en) |
| AU (1) | AU2019456680B2 (en) |
| WO (1) | WO2021003861A1 (en) |
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| CN115012586A (en) * | 2022-04-20 | 2022-09-06 | 辽宁工程技术大学 | Novel GFRP pipe-thin steel plate-concrete column |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3671852B2 (en) * | 2001-03-27 | 2005-07-13 | 株式会社豊田自動織機 | Filament winding equipment |
| CN201436433U (en) * | 2009-03-17 | 2010-04-07 | 武汉理工大学 | Reinforced plastics and prestress steel barrel concrete composite pipe structure |
| KR101102299B1 (en) * | 2009-08-31 | 2012-01-03 | (주) 삼정디씨피 | glass fiber covered pipe |
| CN102588684B (en) * | 2011-01-11 | 2015-11-25 | 深圳市吉凌复合材料科技股份有限公司 | A kind of Novel fiber reinforced plastic concrete composite pipe |
| CN103707523B (en) * | 2013-12-17 | 2016-01-20 | 哈尔滨玻璃钢研究院 | A kind of method using knitting skill to strengthen FRP drawing and extruding section bar transverse strength |
| CN105221859B (en) * | 2015-10-22 | 2020-01-10 | 盘锦建硕管业有限公司 | Fiber-reinforced thermal-insulation thermoplastic composite pipe and preparation method thereof |
| CN205716069U (en) * | 2016-04-08 | 2016-11-23 | 司五庆 | A kind of FRP compound pipeline complex pipeline |
| CN208041355U (en) * | 2018-04-17 | 2018-11-02 | 吉林电力管道工程有限公司 | A kind of modified Prestressed concrete cylinder pipe |
-
2019
- 2019-07-10 CN CN201910621527.9A patent/CN110319281B/en active Active
- 2019-10-08 WO PCT/CN2019/109876 patent/WO2021003861A1/en active Application Filing
- 2019-10-08 AU AU2019456680A patent/AU2019456680B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021003861A1 (en) | 2021-01-14 |
| AU2019456680B2 (en) | 2022-08-11 |
| CN110319281A (en) | 2019-10-11 |
| AU2019456680A1 (en) | 2021-05-13 |
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