CN217927785U - Underground buried pipe bulge repairing structure with stiffening ring - Google Patents
Underground buried pipe bulge repairing structure with stiffening ring Download PDFInfo
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- CN217927785U CN217927785U CN202220921099.9U CN202220921099U CN217927785U CN 217927785 U CN217927785 U CN 217927785U CN 202220921099 U CN202220921099 U CN 202220921099U CN 217927785 U CN217927785 U CN 217927785U
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- stiffening ring
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- steel plate
- stiffening
- pipe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model discloses a take buried pipe swell of stiffening ring to repair structure, the stiffening ring is repaired the steel sheet and the steel sheet is repaired to the pipe wall, and the stiffening ring is repaired the steel sheet and is equipped with the stiffening plate, and the steel sheet is repaired with the stiffening ring to the pipe wall and is repaired steel sheet welded connection, and the stiffening ring is repaired the steel sheet and the pipe wall is repaired the steel sheet and all is equipped with the grout hole. The utility model discloses can adapt to the underground pipe laying of taking the stiffening ring, repair the steel pipe swell from inside, under the condition that need not extensive chisel except that outside of tubes concrete, the effectual welding problem of having solved outside of tubes stiffening ring, the construction is simple and convenient, very big reduction the construction degree of difficulty and cost.
Description
Technical Field
The utility model belongs to the technical field of hydraulic and hydroelectric engineering, especially, relate to a take underground buried pipe swell repair structure of stiffening ring.
Background
The underground buried pipe is a pressure steel pipe which is formed by burying a steel pipe into a rock body and filling concrete between the steel pipe and surrounding rocks, and is a water conveying pipeline type commonly used in water conservancy and hydropower engineering. To improve the external pressure stability of the steel pipe, annular stiffening ribs (commonly referred to as "stiffening rings") are often provided outside the pipe. In concrete pouring or contact grouting construction process, if control is improper, easily lead to the steel pipe unstability to form the swell, especially lie in the plain noodles pipeline section between the twice stiffening ring, because external pressure resistance ability is weak, change and appear the swell. Once the smooth tube has bulges, the treatment method generally comprises the steps of cutting off the steel plate at the bulge part, chiseling off the concrete protruding at the bulge part, and adopting a new steel plate to repair again, so that the treatment difficulty is low.
The pipeline section that is equipped with the stiffening ring is in case the swell appears, and the processing degree of difficulty is great, specifically is: the stiffening ring with deformed damage needs to be repaired again after being cut, but because the stiffening ring is positioned on the outer side of the pipe wall, the pipe wall repair steel plate can not be welded from the inside of the pipe after sealing a cut, so that the concrete outside the pipe needs to be completely chiseled to meet the space requirement of welding personnel on the outer side of the steel pipe, and a channel for evacuating the personnel after the welding is finished needs to be reserved, so that the construction difficulty and the cost are very high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the above-mentioned technical problem that exists among the prior art, provide a take underground pipe-laying swell of stiffening ring and repair structure, can adapt to the underground pipe-laying of taking the stiffening ring, repair the steel pipe swell from inside, under the condition that need not extensive chisel outside of tubes concrete, the effectual welding problem of having solved outside of tubes stiffening ring, the construction is simple and convenient, very big reduction the construction degree of difficulty and cost.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides a take underground buried pipe swell repair structure of stiffening ring which characterized in that: the stiffening ring repair steel plate and the pipe wall repair steel plate are provided with stiffening plates, the pipe wall repair steel plate is in welded connection with the stiffening ring repair steel plate, and the stiffening ring repair steel plate and the pipe wall repair steel plate are both provided with grouting holes. The steel plate is repaired by welding the stiffening ring, so that the stiffening plate and the stiffening ring outside the pipe can be conveniently welded, then the pipe wall is welded, the steel plate is repaired, the pipeline is closed, and only the grouting hole is reserved for pouring concrete. The bulge steel plate at the stiffening ring position is repaired in a blocking mode, large-area excavation of concrete outside the pipe can be avoided, welding of the stiffening ring outside the pipe can be guaranteed, and construction difficulty and construction cost can be reduced.
Furthermore, the inner side surfaces of the stiffening ring repairing steel plate and the pipe wall repairing steel plate are flat. The medial surface is level and smooth, can guarantee pipeline under pressure's normal use.
Further, the stiffening plate is provided with a pulp stringing hole. The setting of cluster thick liquid hole can make things convenient for pouring of outside of tubes concrete, guarantees that the outside of repairing the steel sheet can be filled with the concrete, and it is effectual to pour.
Furthermore, the stiffening ring repairing steel plate and the stiffening plate are in a T shape.
Furthermore, the stiffening ring repairing steel plate is provided with an exhaust hole. The exhaust hole is arranged at the high position, so that the exhaust effect is ensured.
Furthermore, the stiffening ring repairing steel plate is provided with a first gasket, the first gasket is arranged on the outer side surface of the stiffening ring repairing steel plate, and the first gasket is attached to the outer wall of the underground buried pipe. First gasket is used for stiffening ring to repair steel sheet and steel pipe welding when avoiding depositing the metal and running off, can play the positioning action simultaneously when the butt joint, makes things convenient for the location and the fixed of stiffening ring steel sheet.
Furthermore, the stiffening ring repairing steel plate is provided with a second gasket, the second gasket is arranged on the outer side surface of the stiffening ring repairing steel plate, and the second gasket is attached to the pipe wall repairing steel plate. The second gasket is used for avoiding depositing metal to run off when the pipe wall repair steel plate and the stiffening ring repair steel plate are welded, can play a positioning role in butt joint, and facilitates positioning and fixing of the pipe wall repair steel plate.
The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:
the utility model discloses to repair the steel sheet and fall into a plurality of pieces, repair the mounting and welding order of block structure and the different repair pieces of rational arrangement through the adjustment, under the condition that need not extensive chisel outside of tubes concrete, the effectual welding problem of having solved outside of tubes stiffening ring, the construction is simple and convenient, very big reduction the construction degree of difficulty and cost.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of the underground pipe-laying bulge repairing structure with stiffening rings of the present invention;
FIG. 2 is a schematic view of the connection structure between the middle stiffener ring repair steel plate and the pipe wall repair steel plate according to the present invention;
fig. 3 is a schematic structural view of the connection between the middle stiffening ring repairing steel plate and the underground buried pipe of the present invention.
In the figure, 1-underground buried pipe; 2-steel pipe bulging area; 3-a steel plate on the pipe wall of the non-bulging area of the steel pipe; 4-stiffening ring steel plate in the non-bulging area of the steel pipe; 5-a concrete chiseling area outside the steel pipe; 6-repairing steel plates by stiffening rings; 7-repairing the steel plate on the pipe wall; 8-a stiffening plate; 9-grouting holes; 10-slurry stringing; 11-vent hole; 12-a first shim; 13-second shim.
Detailed Description
As shown in fig. 1 to 3, for the utility model relates to a take underground buried pipe swell repair structure of stiffening ring, including underground buried pipe 1, steel pipe swell district 2, the pipe wall steel sheet 3 in the steel pipe swell district not, the stiffening ring steel sheet 4 in the steel pipe swell district not, steel pipe outer concrete chisel district 5, stiffening ring repair steel sheet 6, pipe wall repair steel sheet 7, stiffening plate 8, sering hole 10, grout hole 9, exhaust hole 11, first gasket 12 and second gasket 13.
The specific implementation mode is as follows:
1. cutting off steel plate in bulge area and chiseling concrete outside pipe
(1) And (3) cutting all steel plates in the steel pipe bulging area 2 by adopting a carbon arc gouging.
(2) And after the steel plate in the steel pipe bulging area 2 is cut off, all the concrete outside the pipe in the cutting area 5 is cut off. The depth of the chiseling area 5 is 5-10 cm greater than the height of the stiffening ring, and the plane range of the chiseling area 5 is about 5-10 cm greater than the cutting range of the steel plate.
2. Method for manufacturing repaired steel plate
(1) After the steel plate in the steel pipe bulging area 2 is cut off, the repairing blocks need to be divided into a plurality of blocks, in this example, three blocks are taken as an example, the number of the stiffening ring repairing steel plates 6 is two, and the number of the pipe wall repairing steel plates 7 is one.
(2) The stiffening ring repairing steel plate 6 is composed of a smooth steel plate and a stiffening plate, and the pipe wall repairing steel plate 7 is a smooth steel plate.
(3) The stiffening plate 8 is positioned on the back surface of the stiffening ring repairing steel plate 6, and the stiffening plate and the stiffening ring repairing steel plate are T-shaped.
(4) The stiffening ring repairing steel plate 6 is provided with slurry stringing holes 10, and the slurry stringing holes 10 are semicircular.
(5) The distance between the stiffening plate 8 and the edge of the stiffening ring repairing steel plate 6 is about 10-15 cm.
3. Repair of steel plate installation welds
(1) The mounting and welding sequence of the repairing blocks is as follows: firstly installing a welding stiffening ring repairing steel plate 6, and finally installing a welding pipe wall repairing steel plate 7.
(2) After the stiffening ring repairing steel plate 6 is in place, the stiffening ring repairing steel plate 6 should be aligned with the stiffening ring 4 in the non-bulging area.
(3) After the stiffening ring repairing steel plate 6 is in place, the welding of the stiffening ring and the stiffening plate is firstly completed, and then the welding between the pipe walls is completed.
(4) The welding between the tube walls adopts single-side welding.
4. Backfilling and sealing outside of pipe
(1) And after the stiffening ring repairing steel plate 6 and the pipe wall repairing steel plate 7 are welded and inspected to be qualified, cement grout is poured through the grouting holes 9, so that the outside of the pipe is filled compactly.
(2) The stiffening ring repairing steel plate 6 and the pipe wall repairing steel plate 7 are provided with exhaust holes 11, and the exhaust holes 11 are positioned at high positions and used for exhausting in the grouting process.
(3) And after grouting, plugging the grouting holes 9 and the exhaust holes 11.
The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered by the protection scope of the present invention.
Claims (7)
1. The utility model provides a take underground buried pipe swell repair structure of stiffening ring which characterized in that: the steel sheet is repaired to the stiffening ring and the steel sheet is repaired to the pipe wall, the stiffening ring is repaired the steel sheet and is equipped with the stiffening plate, the pipe wall repair the steel sheet with steel sheet welded connection is repaired to the stiffening ring, the stiffening ring repair the steel sheet with the steel sheet is repaired to the pipe wall all is equipped with the grout hole.
2. The underground buried pipe bulge repairing structure with the stiffening ring according to claim 1, characterized in that: the inner side surfaces of the stiffening ring repairing steel plate and the pipe wall repairing steel plate are flat.
3. The underground buried pipe bulge repairing structure with the stiffening ring according to claim 1, characterized in that: the stiffening plate is provided with a pulp stringing hole.
4. The underground buried pipe bulge repairing structure with the stiffening ring according to claim 1, characterized in that: the stiffening ring repairing steel plate and the stiffening plate are T-shaped.
5. The underground buried pipe bulge repairing structure with the stiffening ring according to claim 1, characterized in that: the stiffening ring repairing steel plate is provided with an exhaust hole.
6. The underground buried pipe bulge repairing structure with the stiffening ring according to claim 1, characterized in that: the stiffening ring repairing steel plate is provided with a first gasket, the first gasket is arranged on the outer side face of the stiffening ring repairing steel plate, and the first gasket is attached to the outer wall of the underground buried pipe.
7. The underground buried pipe bulge repairing structure with the stiffening ring according to claim 1, characterized in that: the stiffening ring repairing steel plate is provided with a second gasket, the second gasket is arranged on the outer side face of the stiffening ring repairing steel plate, and the second gasket is attached to the pipe wall repairing steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220921099.9U CN217927785U (en) | 2022-04-19 | 2022-04-19 | Underground buried pipe bulge repairing structure with stiffening ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220921099.9U CN217927785U (en) | 2022-04-19 | 2022-04-19 | Underground buried pipe bulge repairing structure with stiffening ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217927785U true CN217927785U (en) | 2022-11-29 |
Family
ID=84175305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220921099.9U Active CN217927785U (en) | 2022-04-19 | 2022-04-19 | Underground buried pipe bulge repairing structure with stiffening ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217927785U (en) |
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2022
- 2022-04-19 CN CN202220921099.9U patent/CN217927785U/en active Active
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