CN202660084U - Pipeline reinforced by using fiber composite cloth - Google Patents
Pipeline reinforced by using fiber composite cloth Download PDFInfo
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- CN202660084U CN202660084U CN 201220283336 CN201220283336U CN202660084U CN 202660084 U CN202660084 U CN 202660084U CN 201220283336 CN201220283336 CN 201220283336 CN 201220283336 U CN201220283336 U CN 201220283336U CN 202660084 U CN202660084 U CN 202660084U
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- pipeline
- composite cloth
- fibrous composite
- cloth
- reinforcing
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Abstract
The utility model discloses a pipeline reinforced by using fiber composite cloth. The pipeline is a large-diameter reinforced concrete pipeline, and cracks and defects are caused in the inner wall of the pipeline. The pipeline is characterized in that surface repair rubber is arranged on the cracks and pressure casting, reinforcing meshes are arranged on the defects and are provided with polymer mortar or epoxy mortar fillers, fiber composite cloth is adhered on the cracks and the defects, and a protective adhesive or protective layer is arranged on the surface of the fiber composite cloth. The pipeline also has the advantages of simpleness construction, easy operation, shortened construction period, and reduced cost.
Description
Technical field
The utility model relates to a kind of pipeline of reinforcing, and more particularly, the utility model relates to a kind of concrete duct of reinforcing with fibrous composite cloth.
Background technique
In infrastructure, particularly in hydraulic structure, all adopt the reinforced concrete circular pipeline such as the drinking-water pipe of the aqueduct in diversion drainage pipe, penstock inside dam, power station, pump station, inverted siphon, water delivery culvert etc.Its stress performance is good, moment of flexure is little, the current bar is good, easy construction, and it is prefabricated to be easy to batch, more is partial to adopt the circular cross-section reinforced concrete pipiline for high pressure pipe line.Yet long-time the use, pipeline damages unavoidably, pipe crack occurs such as pipeline, causes seepage and pipe crack place corrosion of steel bar etc.The safety of damage entail dangers to reservoir, dam and the pipeline area of coverage of pipeline.Therefore, to the important feature pipeline of potential safety hazard is arranged, need regularly check, and in time repair or renewal.The technological method of present domestic pipeline rehabilitation has: heavy excavation is changed pipeline; Non-excavation inserts tyretube process; The CIPP turnover technology; Inner liner stainless steel method etc.These reinforce method for maintaining owing to being subjected to the many factors such as surrounding environment, project organization, service life, implement to have many difficulties and deficiency, and what time following main manifestations is: one, and difficulty of construction is large; Two, cost is high; Long construction period, duration pressure is large, especially for emergency work; Four, security risk is high, other pipelines and fabrication around may having influence on; Five, large to surrounding environment influence, especially at municipal construction, the pipeline rehabilitation construction is very large to traffic, environmetal impact.For this reason, the utility model provides a kind of novel reinforced pipeline, and the intensity, leakage proof of pipeline, the function such as corrosion-resistant are further enhanced.
Summary of the invention
Goal of the invention of the present utility model is to overcome the prior art deficiency, and a kind of pipeline of reinforcing with fibrous composite cloth is provided.
The purpose of the present utility model is achieved through the following technical solutions:
A kind of pipeline of reinforcing with fibrous composite cloth, described pipeline is the Large-diameter Steel type reinforced concrete pipeline, its inwall produces crack and damaged.Described crack is provided with skin patching glue and slip casing by pressure, described defect is provided with reinforced mesh, described reinforced mesh is provided with polymer mortar or epoxy resin mortar packing, described crack and defect are pasted fibrous composite cloth, and the surface of described fibrous composite cloth is provided with protective rubber or protective coating.Described fibrous composite cloth is fiber glass material cloth, aramid fibre web of material or fiber glass material cloth and aramid fibre web of material mixed weaving cloth.Described fibrous composite cloth is one or more layers.Described protective coating is with crushed crude pearlite or silica sand and resin glue mixed configuration.
Compared with prior art, the utlity model has following beneficial effect:
1. use fibrous composite cloth to paste at the aqueduct inwall, have stronger bonding
Power.Through soaked test more than a year, its bonding hardness Ageing mean value can reach 3.86MPa, satisfies the requirement that " Concrete Structure Strengthening with Carbon Fiber Sheet technical regulations " is not less than 2.5 MPa.Under the effect of blank pipe external water pressure, the peeling force that can resist the above head of 250m.
2. smear protective rubber on the surface of fibrous composite cloth, its anti-impact mill intensity can reach C40
Concrete twice satisfies the process flow velocity of 14m/s, and the impermeability of protective rubber and fibrous composite layer of cloth is identical with steel plate, the roughness coefficien 0.007 of hole wall after the protective rubber brushing, with glassy phase seemingly.
3. the protective coating that forms of crushed crude pearlite or silica sand and resin glue mixed preparing, its surface
Anti-impact mill intensity be for can reach concrete 1.5 ~ 1.8 times of C40, smears that to finish the rear surface highly polished in original concrete duct.
4. solved that fibrous composite cloth and hole wall concrete deformation are coordinated, joint work is asked
Topic.Show by the test of RC Circular tube model, linearity and nonlinear finite element calculating and the on-the-spot strain detecting result of conduit pipe, reinforcing bar, the concrete in the reinforced concrete conduit pipe and the stress and strain relation that sticks on the tube wall concrete surface fibrous composite cloth are basically consistent.Theory and practice all shows: material of the present invention and technique bonding, fibrous composite cloth and aqueduct malformation are coordinated, jointly stressed, joint work.
5. solved the mechanism of action and the effect of fibrous composite cloth to the broken pipe repairing and reinforcement
The fruit problem, by the dimensional Finite Element of RC Circular tube model test and concrete water transfer pipeline, understand concrete duct with the concrete duct effect of water pressure of reinforcing with fibrous composite cloth under the pipeline configuration distortion, the crack produces and the overall process of destruction.Show all that from theory calculating and experimental result fibrous composite cloth has obvious consolidation effect to the concrete water transmission pipe road.Tube wall concrete cracking load can improve about 25%, and ultimate bearing capacity can improve 9 ~ 10 times, and has good leakage proof, etch-proof function.
6. has good Social benefit and economic benefit.Because of employing non-excavating construction method,
Can not have any impact to surrounding environment and urban transportation; Compared with prior art, construction is simple, easy operating, duration shorten, and engineering cost can reduce by 30% ~ 40%.
7. substantially do not change the conduit section size after reinforcing, reinforce section water flow and do not reduce.
Description of drawings
The pipeline end face sectional view of Fig. 1 for reinforcing with fibrous composite cloth;
The pipeline longitudinal sectional view of Fig. 2 for reinforcing with fibrous composite cloth;
The conduit section Local map of Fig. 3 for reinforcing with fibrous composite cloth.
Among the figure: pipeline 1, polymer mortar or epoxy resin mortar 2, fibrous composite cloth 3, protective rubber 4, pipe crack 5, reinforced mesh 6.
Embodiment
Below in conjunction with the drawings and specific embodiments essentiality content of the present utility model is described in further detail:
Such as Fig. 1, Fig. 2, shown in Figure 3: a kind of pipeline of reinforcing with fibrous composite cloth, pipeline 1 be Large-diameter Steel type reinforced concrete pipeline 1, reinforcing pipes divides seven steps enforcements:
The first step, cleaning pipeline 1 inwall damaged part is done the derusting anti-corrosive place to exposed reinforcing bar
Reason is mended according to damaged degree and to be established reinforced mesh 6, then tamps floatingly with polymer mortar or epoxy resin mortar 2, recovers the original size of structure;
Second step carries out repairing and reinforcement to the pipe crack 5 that occurs, and is wide for pipe crack 5
Degree takes the skin patching rubber seal to close processing less than 1.5mm, and pipe crack 5 width take slip casing by pressure renovation reinforced greater than 1.5mm's;
The 3rd step, pipeline 1 inwall is carried out surface finish process, accomplish smooth bright and cleanly, carry out the dedusting cleaning with the acetone effects on surface afterwards;
In the 4th step, evenly the brushing resin glue can not have obvious current mark, guarantees the brushing resin glue
After pipeline 1 surfacing bright and clean;
The 5th step, as required and design size, tailor fibrous composite cloth 3, and with rolling
Cylinder is evenly brushed resin glue on fibrous composite cloth 3 surfaces;
In the 6th step, after the resin glue initial set, fibrous composite cloth 3 hoops are sticked on pipeline
On 1 inwall, and repeatedly roll with cylinder, guarantee that fibrous composite cloth 3 and pipeline 1 wall paste closely;
The 7th the step, after fibrous composite cloth 3 pastes, its external coating protective rubber 4,
Or the protective coating of employing crushed crude pearlite or silica sand and resin glue mixed configuration, evenly brush on fibrous composite cloth 3 surfaces, and the compacting troweling.
The fibrous composite cloth 3 that the 4th step, the 5th step, the 6th step and the 7th step paste requires to determine to paste one or more layers depending on pipeline 1 damaged situation and working design.
Fibrous composite cloth 3 is fiber glass material cloth, aramid fibre web of material or fiber glass material cloth and aramid fibre web of material mixed weaving cloth.
Claims (3)
1. pipeline of reinforcing with fibrous composite cloth, described pipeline is the Large-diameter Steel type reinforced concrete pipeline, its inwall produces crack and damaged, it is characterized in that: described crack is provided with skin patching glue and slip casing by pressure, described defect is provided with reinforced mesh, described reinforced mesh is provided with polymer mortar or epoxy resin mortar packing, and described crack and defect are pasted fibrous composite cloth, and the surface of described fibrous composite cloth is provided with protective rubber or protective coating.
2. a kind of pipeline of reinforcing with fibrous composite cloth according to claim 1, it is characterized in that: described fibrous composite cloth is fiber glass material cloth, aramid fibre web of material or fiber glass material cloth and aramid fibre web of material mixed weaving cloth.
3. a kind of pipeline of reinforcing with fibrous composite cloth according to claim 1, it is characterized in that: described fibrous composite cloth is one or more layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220283336 CN202660084U (en) | 2012-06-16 | 2012-06-16 | Pipeline reinforced by using fiber composite cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220283336 CN202660084U (en) | 2012-06-16 | 2012-06-16 | Pipeline reinforced by using fiber composite cloth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202660084U true CN202660084U (en) | 2013-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220283336 Expired - Fee Related CN202660084U (en) | 2012-06-16 | 2012-06-16 | Pipeline reinforced by using fiber composite cloth |
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| CN (1) | CN202660084U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2656505C1 (en) * | 2017-04-04 | 2018-06-05 | Федеральное государственное автономное образовательное учреждение высшего образования "Дальневосточный федеральный университет" (ДВФУ) | Method for pipeline reconstruction |
| CN110410618A (en) * | 2019-07-31 | 2019-11-05 | 南方工程检测修复技术研究院 | A kind of PCCP pipeline on-line production outer patch fiber cloth restoring and fastening method |
| CN111536362A (en) * | 2020-04-28 | 2020-08-14 | 江苏绿材谷新材料科技发展有限公司 | Method for grouting and reinforcing fiber grids of large-diameter concrete pipeline lining |
-
2012
- 2012-06-16 CN CN 201220283336 patent/CN202660084U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2656505C1 (en) * | 2017-04-04 | 2018-06-05 | Федеральное государственное автономное образовательное учреждение высшего образования "Дальневосточный федеральный университет" (ДВФУ) | Method for pipeline reconstruction |
| CN110410618A (en) * | 2019-07-31 | 2019-11-05 | 南方工程检测修复技术研究院 | A kind of PCCP pipeline on-line production outer patch fiber cloth restoring and fastening method |
| CN111536362A (en) * | 2020-04-28 | 2020-08-14 | 江苏绿材谷新材料科技发展有限公司 | Method for grouting and reinforcing fiber grids of large-diameter concrete pipeline lining |
| CN111536362B (en) * | 2020-04-28 | 2021-11-19 | 江苏绿材谷新材料科技发展有限公司 | Method for grouting and reinforcing fiber grids of large-diameter concrete pipeline lining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Taihe Chongming County 201913 Feng Shanghai City Economic Development Zone No. 77, room 352 Patentee after: Shanghai long strengthening Polytron Technologies Inc Address before: Taihe Chongming County 201913 Feng Shanghai City Economic Development Zone No. 77, room 352 Patentee before: Shanghai Durab Retrofit Specialists Co., Ltd. |
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| 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: 20130109 Termination date: 20180616 |