CN215482318U - Bridge cable fiber sealing protection system - Google Patents
Bridge cable fiber sealing protection system Download PDFInfo
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- CN215482318U CN215482318U CN202120056624.0U CN202120056624U CN215482318U CN 215482318 U CN215482318 U CN 215482318U CN 202120056624 U CN202120056624 U CN 202120056624U CN 215482318 U CN215482318 U CN 215482318U
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Abstract
The utility model relates to the technical field of bridge cable protection systems, and discloses a bridge cable fiber sealing protection system which comprises a main cable steel wire bundle treated by phosphating primer, a flexible protective agent, a steel wire winding treated by phosphating primer, a protective primer, a fiber sealing adhesive tape and a durable protection layer, wherein the main cable steel wire bundle treated by phosphating primer is a main stress component of a suspension bridge, the flexible protective agent is non-drying sealing putty, the flexible protective agent is polyisobutylene putty, the steel wire winding treated by phosphating primer is wound on the surface of the main cable steel wire bundle, the protective primer is scraped and coated on the surface of the steel wire winding, the protective primer is epoxy zinc-rich primer, the thickness of the protective primer is 0.08mm, and the fiber sealing adhesive tape is made of flexible sealing adhesive and high-strength fiber fabric. The utility model has the advantages of high strength, excellent anti-cracking performance and sealing performance, good weather resistance, and fireproof and temperature-resistant performances.
Description
Technical Field
The utility model relates to the technical field of bridge cable protection systems, in particular to a bridge cable fiber sealing protection system.
Background
In recent years, the bridge construction speed of China is rapid, and a large number of large-scale cable system bridges across the sea, river and river are built successively. The main cable is one of the most important stressed members of the suspension bridge and is not replaceable, and therefore, is called the "lifeline" of the suspension bridge. The design service life of bridges in China is generally 100 years, and the existing main cable protection system can not meet the requirements in the face of the anti-corrosion design requirement of the same service life as the bridges and less maintenance.
At present, the main cable protection system in China is divided into two main categories: firstly, a polysulfide sealant coating protection system; the second is a wrapping belt protection system. The development and application of the polysulfide sealant coating protection system are earlier, polysulfide sealant and polyurethane finish paint are knife-coated after a main cable S-shaped steel wire or galvanized steel wire is wound, the sealing protection of the main cable is realized, the protection system is widely used in projects such as Shantou gulf bridge, Xiling Changjiang river bridge, Xiamen sea cang bridge and Tiger door bridge, and occupies an important position in the field of main cable protection. However, some defects of the protective system are gradually exposed in the using process, the cable system is in a long-term vibration state under the influence of temperature, wind load, vehicle load and the like, the anti-cracking effect of the polysulfide sealant coating protective system is poor, the cracking problem is obvious, the aging resistance of polyurethane finish paint is poor, the polyurethane finish paint is easy to pulverize, and water, humid air and harmful substances enter from the cracking position to cause the phenomena of main cable corrosion and accelerated aging. The wrapping belt protection system is a hot door in recent years, chlorosulfonated polyethylene wrapping belt or thermoplastic elastomer wrapping belt is wrapped after a main cable S-shaped steel wire or galvanized steel wire is wrapped, then a hot melting device is used for hot melting, fastening and sealing the joint of the wrapping belt to realize the sealing protection of the main cable, and the newly built clear water river bridge, Longjiang river bridge, Hangzui highway cave lake bridge, Yangtong hong bridge, Chishui river bridge, Jinan Jinjinshajiang river bridge, Wufengshan bridge and the like which mainly span over 1000 meters all adopt the wrapping belt protection system. However, the wrapping belt has a large amount of joints, the workload of hot melting and curing is large, the process is complex, the effect of integral durable sealing of the protection system is difficult to realize, and the actual use effect of the protection system is not ideal at present.
Therefore, on the basis of fully absorbing the current mainstream main cable protection system, a cable fiber sealing protection system which is high in strength, excellent in crack resistance and sealing performance, good in weather resistance and simultaneously has fireproof and temperature-resistant performances is researched and developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems of the existing bridge cable fiber sealing protection system in the prior art in the using process, and provides a bridge cable fiber sealing protection system.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a bridge cable fiber sealing protection system comprises a main cable steel wire bundle treated by phosphating priming paint, a flexible protective agent, a steel wire winding treated by phosphating priming paint, a protective priming paint, a fiber sealing adhesive tape and a durable protective layer, wherein the main cable steel wire bundle treated by phosphating priming paint is a main stress component of a suspension bridge, the flexible protective agent is non-drying sealing putty, the flexible protective agent is polyisobutylene putty, the steel wire winding treated by phosphating priming paint is wound on the surface of the main cable steel wire bundle, the protective priming paint is scraped and coated on the surface of the steel wire winding, the protective priming paint is epoxy zinc-rich priming paint, the thickness of the protective priming paint is 0.08mm, and the fiber sealing adhesive tape is made of flexible sealing adhesive and high-strength fiber fabric.
Preferably, the fiber sealing tape comprises a structural composition from bottom to top: the first flexible sealant, the fiber gridding cloth, the second flexible sealant, the fiber plain cloth and the third flexible sealant.
Preferably, the first flexible sealant and the second flexible sealant are made of fireproof temperature-resistant silicone sealants, the third flexible sealant is made of polysulfide sealant, the fiber gridding cloth is 100g/m2 basalt fiber gridding cloth with the mesh specification of 3 x 3mm, and the fiber plain cloth is 210g/m2 basalt fiber plain cloth.
Preferably, the durable protective layer is made of acrylic polysiloxane finish paint, and the thickness of the durable protective layer is 0.08 mm.
Preferably, the thickness of the flexible protective agent is 2 mm.
Preferably, the thickness of the fiber sealing tape is 3 mm.
Compared with the prior art, the utility model provides a fiber sealing protection system for a bridge cable, which has the following beneficial effects:
the bridge cable fiber sealing protection system of the bridge cable fiber sealing protection system is characterized in that on the basis of fully absorbing the existing main cable protection system, a high-performance fire-resistant flame-retardant sealing adhesive and a high-performance fiber fabric are utilized, one or more bonding and winding integrated natural curing processes are adopted, and a fiber + sealant integrated compound cable protection structure with excellent mechanical damage resistance, tensile property and sealing property is formed; compared with a wrapping belt protection system, the sealing performance of the protection system is effectively guaranteed without hot melting construction of joints, the fiber sealing protection system adopts fire-resistant flame-retardant sealant (temperature resistance reaches 450 ℃) and basalt fiber fabric, so that the protection system has excellent fire-resistant and high-temperature-resistant performance, the influence of fire on the cable system is effectively reduced, the safety of a bridge structure is protected, the technology can be widely applied to the protection of the cable structure of the bridge of the cable system, particularly the protection of a main cable structure, and the technology is also suitable for steel structure sealing protection, fire-resistant heat insulation protection, mechanical damage resistance protection and the like including special-shaped components.
The parts not involved in the device are the same as or can be realized by adopting the prior art, and the utility model has the advantages of high strength, excellent anti-cracking performance and sealing performance, good weather resistance, and fireproof and temperature-resistant performances.
Drawings
FIG. 1 is a diagram of a fiber sealing protection system for a bridge cable according to the fiber sealing tape for on-site construction of the fiber sealing protection system for a bridge cable according to the present invention;
FIG. 2 is a sectional view of a fiber sealing and protecting system of a bridge cable according to the fiber sealing and protecting system of the bridge cable for field construction of a fiber sealing adhesive tape;
FIG. 3 is a structural diagram of a fiber sealing tape of a fiber sealing protection system for a bridge cable according to the present invention;
fig. 4 is a diagram of a bridge cable fiber sealing protection system of a factory-formed fiber sealing adhesive tape of the bridge cable fiber sealing protection system according to the present invention.
In the figure: the protective coating comprises a main cable steel wire bundle treated by phosphating priming paint 1, a flexible protective agent 2, a steel wire winding treated by phosphating priming paint 3, protective priming paint 4, a fiber sealing adhesive tape 5, a first flexible sealant 51, fiber gridding cloth 52, a second flexible sealant 53, fiber plain cloth 54, a third flexible sealant 55 and a durable protective layer 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a bridge cable fiber sealing protection system comprises a main cable steel wire bundle 1 treated by phosphating priming paint, a flexible protective agent 2, a steel wire winding 3 treated by phosphating priming paint, a protective priming paint 4, a fiber sealing adhesive tape 5 and a durable protective layer 6, wherein the main cable steel wire bundle 1 treated by phosphating priming paint is a main stress component of a suspension bridge, the flexible protective agent 2 is non-drying sealing putty, the flexible protective agent 2 is made of polyisobutylene putty and has non-drying and repairability, the layer protects the main cable steel wire bundle 1 from being sealed before steel wire winding, and simultaneously provides a contact surface of the steel wire winding 3 to avoid the steel wire winding 3 from damaging the main cable steel wire 1, the steel wire winding 3 treated by phosphating priming paint is wound on the surface of the main cable steel wire bundle 1, and is compact by using a round steel wire treated by phosphating priming paint for further fastening the main cable steel wire bundle 1, the appearance of a main cable is kept, the influence of deformation of the main cable steel wire 1 on a protection system in the using process is relieved, the steel wire winding 3 is made of phi 5 steel wires, the protection primer 4 is coated on the surface of the steel wire winding 3 in a scraping mode, the epoxy zinc-rich primer is selected, the thickness of the epoxy zinc-rich primer is 0.08mm, and the fiber sealing adhesive tape 5 is made of flexible sealing adhesive and high-strength fiber fabric.
The structural composition of the fiber sealing tape 5 comprises from bottom to top: the fiber sealing adhesive tape 5 is formed by constructing a first flexible sealant 51, a fiber mesh cloth 52, a second flexible sealant 53, a fiber plain cloth 54 and a third flexible sealant 55 layer by layer on site.
The first flexible sealant 51 and the second flexible sealant 53 are made of fireproof temperature-resistant silicone sealant (resistant to high temperature of 450 ℃), the third flexible sealant 55 is made of polysulfide sealant to ensure that the durable protective layer and the silicone sealant with good bonding effect are poor in bonding effect with the paint durable protective layer, the fiber mesh cloth 52 is 100g/m2, the basalt fiber mesh cloth with mesh specification of 3 x 3mm, and the fiber plain cloth 54 is 210g/m2 basalt fiber plain cloth, so that the protective system has excellent fireproof high-temperature resistance, the influence of fire on the cable system is effectively reduced, and the safety of the bridge structure is protected.
The durable protection layer 6 is made of acrylic polysiloxane finish paint, and the thickness of the durable protection layer 6 is 0.08 mm.
The thickness of the flexible repellent 2 was 2 mm.
The thickness of the fiber sealing tape 5 was 3 mm.
The utility model relates to a bridge cable fiber sealing technology, which is characterized in that on the basis of fully absorbing the existing main cable protection system, a high-performance fire-resistant flame-retardant sealant and a high-performance fiber fabric are utilized, one or more bonding and winding integrated natural curing processes are adopted, and a fiber and sealant integrated compound cable protection structure with excellent mechanical damage resistance, tensile property and sealing property is formed; compared with a wrapping belt protection system, the sealing performance of the protection system is effectively guaranteed without hot melting construction of joints, the fiber sealing protection system is made of fireproof flame-retardant sealant with the temperature resistance of 450 ℃ and basalt fiber fabrics, the protection system can have excellent fireproof and high-temperature-resistant performance, the influence of fire on the cable system is effectively reduced, the safety of a bridge structure is protected, the technology can be widely applied to the protection of the cable structure of the bridge of the cable system, particularly the protection of a main cable structure, and the technology is also suitable for steel structure sealing protection, fireproof heat insulation protection, mechanical damage resistance protection and the like including special-shaped components.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a bridge cable fibre seals protection system, includes main cable steel bundle (1) that the bonderizing priming paint was handled, flexible protective agent (2), steel wire kinking (3) that the bonderizing priming paint was handled, protection priming paint (4), fibre sealing adhesive tape (5), durable inoxidizing coating (6), its characterized in that, main cable steel bundle (1) that the bonderizing priming paint was handled is the main atress component of suspension bridge, flexible protective agent (2) are the sealed putty of not drying, the material of flexible protective agent (2) is polyisobutylene putty, the surface at main cable steel bundle (1) is twined in steel wire kinking (3) is scribbled in protection priming paint (4) blade coat, the material of protection priming paint (4) is epoxy zinc-rich priming paint, and the thickness of protection priming paint is 0.08 mm.
2. The fiber sealing and protecting system for bridge cable according to claim 1, wherein the structural composition of the fiber sealing tape (5) comprises from bottom to top: the sealing adhesive comprises a first flexible sealing adhesive (51), fiber mesh cloth (52), a second flexible sealing adhesive (53), fiber plain cloth (54) and a third flexible sealing adhesive (55).
3. The bridge cable fiber sealing protection system according to claim 2, wherein the first flexible sealant (51) and the second flexible sealant (53) are made of fireproof and temperature-resistant silicone sealant, the third flexible sealant (55) is made of polysulfide sealant, the fiber mesh cloth (52) is 100g/m2 basalt fiber mesh cloth with mesh size of 3 x 3mm, and the fiber plain cloth (54) is 210g/m2 basalt fiber plain cloth.
4. The bridge cable fiber sealing protection system according to claim 1, wherein the durable protection layer (6) is made of acrylic polysiloxane finish paint, and the thickness of the durable protection layer (6) is 0.08 mm.
5. A bridge cable fibre sealing and protection system according to claim 1, characterized in that the thickness of said flexible protective agent (2) is 2 mm.
6. A bridge cable fibre-sealing protection system according to claim 1, characterized in that the thickness of the fibre-sealing tape (5) is 3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120056624.0U CN215482318U (en) | 2021-01-11 | 2021-01-11 | Bridge cable fiber sealing protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120056624.0U CN215482318U (en) | 2021-01-11 | 2021-01-11 | Bridge cable fiber sealing protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215482318U true CN215482318U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120056624.0U Active CN215482318U (en) | 2021-01-11 | 2021-01-11 | Bridge cable fiber sealing protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215482318U (en) |
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2021
- 2021-01-11 CN CN202120056624.0U patent/CN215482318U/en active Active
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