CN116877827A - Repair-free damaged corrugated pipe device and construction method - Google Patents
Repair-free damaged corrugated pipe device and construction method Download PDFInfo
- Publication number
- CN116877827A CN116877827A CN202311126568.3A CN202311126568A CN116877827A CN 116877827 A CN116877827 A CN 116877827A CN 202311126568 A CN202311126568 A CN 202311126568A CN 116877827 A CN116877827 A CN 116877827A
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- Prior art keywords
- lining plate
- corrugated pipe
- repair
- gasket
- fixing screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 230000006835 compression Effects 0.000 claims abstract description 38
- 238000007906 compression Methods 0.000 claims abstract description 38
- 239000003292 glue Substances 0.000 claims abstract description 23
- 238000009412 basement excavation Methods 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 15
- 238000002347 injection Methods 0.000 claims abstract description 10
- 239000007924 injection Substances 0.000 claims abstract description 10
- 238000005520 cutting process Methods 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 31
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 238000005187 foaming Methods 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 12
- 239000004576 sand Substances 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000010410 layer Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 239000002689 soil Substances 0.000 claims description 4
- 239000013049 sediment Substances 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005056 compaction Methods 0.000 claims 2
- 239000000463 material Substances 0.000 description 4
- 229920001903 high density polyethylene Polymers 0.000 description 3
- 239000004700 high-density polyethylene Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/1683—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of a patch which is fixed on the wall of the pipe by means of an adhesive, a weld or the like
-
- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
-
- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/175—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by using materials which fill a space around the pipe before hardening
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention relates to the field of repair of construction tools and original buildings, in particular to a repair-free damaged corrugated pipe device and a construction method; the device comprises an arc-shaped inner lining plate and an outer lining plate, wherein lining plate reinforcing ribs are distributed on the inner surface of the inner lining plate and the outer surface of the outer lining plate at equal intervals, cutting grooves are formed between adjacent lining plate reinforcing ribs, and a plurality of glue injection holes are formed in the cutting grooves on the outer lining plate at intervals; a fixed screw rod is jointly penetrated between the inner lining plate and the outer lining plate, a U-shaped compression piece is sleeved at one end of the fixed screw rod extending out of the outer lining plate, and a fastening screw cap is screwed on the fixed screw rod positioned above the U-shaped compression piece; the construction method of the invention can reduce the excavation area to the size of the hole plus the operation space and the slope releasing distance, and the influence is reduced to the minimum.
Description
Technical Field
The invention relates to the field of repair of construction tools and original buildings, in particular to a repair-free damaged corrugated pipe device and a construction method.
Background
In municipal pipe networks, the materials of drainage pipelines are mainly double-wall corrugated pipes, the materials for manufacturing the double-wall corrugated pipes are mainly high-density polyethylene (HDPE), the materials have the defects of poor ageing resistance, poor environmental stress cracking resistance and lower performance than those of low-density polyethylene (LDPE), particularly thermal oxidation effect, the defects cause damage to the ground pavement finished surface or green planting, the double-wall corrugated pipes which are buried in the construction are very easy to damage when the double-wall corrugated pipes are required to be re-excavated for other reasons, the problem that the whole root of the damaged double-wall corrugated pipes are excavated for replacement is solved in the current situation, the traditional corrugated pipe damage repair mode is to excavate all the left and right interfaces of the damaged pipelines, the damaged pipelines are taken out for replacement by new pipelines, the ground pavement finished surface or green planting is greatly damaged, unnecessary economic and construction period losses are caused, the damaged double-wall corrugated pipes are required to be taken down from the inspection well when one end of the damaged double-wall corrugated pipes is connected, and the underground inspection well is partially buried in the future, and the quality is hidden danger is caused. Another solution, such as chinese patent CN111140694a, is a device for replacing a double-wall corrugated pipe with an HDPE pipe without excavation, and a method for using the same, which can be used for repairing and replacing a damaged and failed double-wall corrugated water supply and drainage pipe without excavation of a road surface, but requires two adjacent working wells as a construction space, and the device is complex, the operation method is complex, and the efficiency is low.
Disclosure of Invention
The invention provides a disassembly-free repair damaged corrugated pipe device and a construction method, which aim to solve the technical problems that a large excavation mode is adopted in the repair of the damaged corrugated pipe, the time and the labor are wasted, the period is long, the cost is high, the drainage is influenced during the construction, and the device is complex and the efficiency is low in a non-excavation type repair method.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a repair damage bellows device exempts from, includes and takes the interior welt of arc and outer lining board, interior welt internal surface and the surface equidistant distribution of outer welt are provided with the welt reinforcing rib, are cut the recess between the adjacent welt reinforcing rib, are located on the outer welt cut the recess on interval be equipped with a plurality of injecting glue holes; a fixed screw rod is jointly penetrated between the inner lining plate and the outer lining plate, a U-shaped compression piece is sleeved at one end of the fixed screw rod extending out of the outer lining plate, and a fastening screw cap is screwed on the fixed screw rod positioned above the U-shaped compression piece; and high-strength waterproof foaming glue is injected and filled between the inner lining plate and the outer lining plate through glue injection holes.
Further, a nut gasket is sleeved on the fixing screw rod between the fastening nut and the U-shaped pressing piece.
Further, an iron compression gasket is sleeved at the bottom of the fixed screw, and the iron compression gasket is in contact with the inner side surface of the inner lining plate; a rubber compression gasket is arranged between the bottom of the U-shaped compression piece and the outer surface of the outer lining plate; and a rubber compression gasket is also sleeved on the fixing screw rod between the iron compression gasket and the inner lining plate.
Further, the fixing screw rod penetrates through the centers of the inner lining plate and the outer lining plate.
The construction method of the repair-free damaged corrugated pipe is carried out by adopting the repair-free damaged corrugated pipe device and comprises the following steps of:
A. determining the damage position and the crack size of the corrugated pipe according to actual conditions, determining an excavation range, scattering ash lines, determining the laying depth of the corrugated pipe according to drawings, and determining the excavation depth;
B. mechanically digging to a position 300mm above the corrugated pipe during excavation, then manually excavating to the top of the corrugated pipe, and cleaning sand on the top of the corrugated pipe; and cleaning sediment, garbage and sundries in the corrugated pipe;
C. measuring the size of an opening at the damaged position of the corrugated pipe by using a tape measure, and determining the pipe diameter of the corrugated pipe; selecting an inner lining plate and an outer lining plate with matched pipe diameters, and cutting out proper lining plate widths according to the length and the width of the hole;
D. the fixed screw rod passes through the lower part of the inner lining plate, adhesive glue is smeared around the edge of the inner lining plate and is placed on the inner side of the damaged original corrugated pipe wall, and the fixed screw rod is pulled upwards to enable one surface of the inner lining plate coated with the adhesive to be clung to the inner side of the original corrugated pipe wall;
E. placing the outer lining plate cut according to the size of the break on the original corrugated pipe reinforcing rib, and enabling the fixing screw rod to penetrate through the outer lining plate;
F. the U-shaped pressing piece passes through the fixing screw rod to be tightly attached to the outer surface of the outer lining plate, and the fastening screw cap is screwed on until the fastening screw cap is screwed on the inner lining plate and the outer lining plate are not fallen off or shake;
G. injecting high-strength waterproof foaming glue into a gap between the inner lining plate and the outer lining plate through the glue injection holes until the high-strength waterproof foaming glue overflows after expanding;
H. and (3) backfilling after the high-strength waterproof foaming adhesive is solidified, backfilling with medium coarse sand to 300mm at the top of the pipe, tamping and backfilling with filled soil layer by layer, and repairing the surface layer.
Further, in step C, the width of the lining plate is 200mm wider than the widest dimension of the hole opening.
Further, the medium coarse sand in the step H has a particle size of 0.25mm-1mm.
Furthermore, in the step D, before the fixing screw passes through the lower portion of the inner lining plate, an iron compression gasket needs to be sleeved on the fixing screw, and the rubber compression gasket is placed above the iron compression gasket.
Further, a rubber compression gasket is arranged between the U-shaped compression piece and the outer surface of the outer lining plate in the step F, and a nut gasket is sleeved on a fixing screw rod between the fastening nut and the U-shaped compression piece.
Compared with the prior art, the invention has the following beneficial effects:
the device and the construction method of the invention ensure that after the laid corrugated pipe is damaged, the whole pipe is not excavated and replaced in a large scale, the original corrugated pipe is calculated according to the length of 6m and the diameter of 500mm, the area of at least 8m 2m is excavated in consideration of the operation space and the slope, the construction is carried out by using the method of the invention, the excavated area can be reduced to the size of a hole plus the operation space and the slope distance thereof, and the influence is minimized.
Drawings
FIG. 1 is a cross-sectional view of a tamper-free broken bellows apparatus of the present invention.
Fig. 2 is a schematic diagram of a repair-free broken bellows device according to the present invention.
The figures are labeled as follows:
the waterproof sealing device comprises a 1-fixing screw, a 2-fastening nut, a 3-nut gasket, a 4-U-shaped pressing piece, a 5-rubber pressing gasket, a 6-iron pressing gasket, a 7-lining plate reinforcing rib, an 8-inner lining plate, a 9-cutting groove, a 10-glue injection hole, 11-high-strength waterproof foaming glue, 12-original corrugated pipe walls, 13-original corrugated pipe reinforcing ribs, 14-original corrugated pipe inner rain sewage, 15-original corrugated pipe periphery middle coarse sand, 16-original soil ditch walls and 17-outer lining plates.
Detailed Description
The invention is further illustrated below with reference to specific examples.
Example 1
As shown in fig. 1, the repair-free damaged corrugated pipe device comprises an arc-shaped inner lining plate 8 and an outer lining plate 17, wherein lining plate reinforcing ribs 7 are uniformly distributed on the inner surface of the inner lining plate 8 and the outer surface of the outer lining plate 17 at equal intervals (as shown in the figure, the section of each lining plate reinforcing rib 7 is in a semicircular shape), cutting grooves 9 are formed between adjacent lining plate reinforcing ribs 7, a plurality of glue injection holes 10 are formed in the cutting grooves 9 on the outer lining plate 17 at intervals, namely, one glue injection hole 10 is formed in every third lining plate reinforcing rib 7; a fixing screw rod 1 is jointly arranged between the inner lining plate 8 and the outer lining plate 17 in a penetrating manner, a U-shaped compression piece 4 is sleeved at one end of the fixing screw rod 1 extending out of the outer lining plate 17, a fastening screw cap 2 is screwed on the fixing screw rod 1 above the U-shaped compression piece 4, and a screw cap gasket 3 is sleeved on the fixing screw rod 1 between the fastening screw cap 2 and the U-shaped compression piece 4; the high-strength waterproof foaming glue 11 is injected and filled between the inner lining plate 8 and the outer lining plate 17 through the glue injection holes 10. An iron pressing gasket 6 is sleeved at the bottom of the fixed screw 1, and the iron pressing gasket 6 is contacted with the inner side surface of the inner lining plate 8; a rubber compression gasket 5 is arranged between the bottom of the U-shaped compression piece 4 and the outer surface of the outer lining plate 17; the rubber compression gasket 5 is also sleeved on the fixing screw 1 between the iron compression gasket 6 and the inner lining plate 8. The fixing screw 1 penetrates through the centers of the inner lining plate 8 and the outer lining plate 17. The thickness of the outer liner 17 is greater than the thickness of the inner liner 8.
As shown in fig. 2, a construction method of the repair-free damaged corrugated pipe, which is performed by adopting the repair-free damaged corrugated pipe device, comprises the following steps:
A. determining the damage position and the crack size of the corrugated pipe according to actual conditions, determining an excavation range, scattering ash lines, determining the laying depth of the corrugated pipe according to drawings, determining the excavation depth, and making a slope layout;
B. mechanically digging to a position 300mm above the corrugated pipe during excavation, then manually excavating to the top of the corrugated pipe, and cleaning sand on the top of the corrugated pipe; making a support for the trench wall and cleaning sediment, garbage and sundries in the corrugated pipe;
C. measuring the size of an opening at the damaged position of the corrugated pipe by using a tape measure, and determining the pipe diameter of the corrugated pipe; selecting an inner lining plate 8 and an outer lining plate 17 with matched pipe diameters, cutting out proper lining plate widths according to the length and the width of the hole, wherein the lining plate widths = the dimension of the widest part of the hole opening +100mm x 2 sides (namely, the lining plate widths are 200mm wider than the dimension of the widest part of the hole opening);
D. sleeving an iron compression gasket 6 on a fixed screw 1, placing a rubber compression gasket 5 above the iron compression gasket 6, then passing the fixed screw 1 through the lower part of an inner lining plate 8, smearing adhesive around the edge of the inner lining plate 8, performing temporary bonding, stabilizing and sealing, placing the inner side of a damaged original corrugated pipe wall 12, and pulling the fixed screw 1 upwards to enable one glued surface of the inner lining plate 8 to be tightly attached to the inner side of the original corrugated pipe wall 12;
E. placing the outer lining plate 17 cut according to the size of the break on the original corrugated pipe reinforcing rib 13, and enabling the fixing screw 1 to penetrate through the outer lining plate 17;
F. the rubber compression gasket 5 is arranged below the U-shaped compression piece 4, the U-shaped compression piece 4 passes through the fixing screw 1 to be tightly attached to the outer surface of the outer lining plate 17, the nut gasket 3 is sleeved into the fixing screw 1, the fastening nut 2 is screwed on, and the fastening nut 2 is screwed on to the extent that the inner lining plate 8 and the outer lining plate 17 are not fallen off and do not shake;
G. injecting high-strength waterproof foaming glue 11 into a gap between the inner lining plate 8 and the outer lining plate 17 through the glue injection holes 10 until the high-strength waterproof foaming glue 11 overflows after expanding, and the quantity is not too small;
H. and (3) after the high-strength waterproof foaming adhesive 11 is solidified, backfilling, namely, backfilling with medium coarse sand until the top of the pipe is 300mm, tamping and backfilling with filled soil layer by layer, and then repairing the surface layer, wherein the particle size of the medium coarse sand is 0.25mm-1mm.
The construction method can avoid large excavation, repair construction can be carried out under the condition of not influencing outdoor drainage, the repair construction period is short, and backfilling can be carried out after the completion; the maintenance cost can be greatly reduced, the corrosion resistance of the material is strong, the later maintenance is free, and the strength is high.
Claims (9)
1. The utility model provides a repair damage bellows device exempts from, its characterized in that includes arc interior welt (8) and outer lining board (17), interior surface and the surface equidistant distribution of outer welt (17) of interior welt (8) are provided with welt reinforcing rib (7), are cut recess (9) between adjacent welt reinforcing rib (7), are located on the external welt (17) cut recess (9) and are spaced apart to be equipped with a plurality of injecting glue holes (10); a fixed screw (1) is jointly arranged between the inner lining plate (8) and the outer lining plate (17) in a penetrating way, a U-shaped compression piece (4) is sleeved at one end of the fixed screw (1) extending out of the outer lining plate (17), and a fastening screw cap (2) is screwed on the fixed screw (1) above the U-shaped compression piece (4); the high-strength waterproof foaming glue (11) is injected and filled between the inner lining plate (8) and the outer lining plate (17) through glue injection holes (10).
2. The repair-free damaged corrugated pipe device according to claim 1, wherein a nut gasket (3) is sleeved on the fixing screw (1) between the fastening nut (2) and the U-shaped pressing piece (4).
3. The repair-free damaged corrugated pipe device according to claim 1, wherein an iron compaction gasket (6) is sleeved at the bottom of the fixing screw (1), and the iron compaction gasket (6) is in contact with the inner side surface of the inner lining plate (8); a rubber compression gasket (5) is arranged between the bottom of the U-shaped compression piece (4) and the outer surface of the outer lining plate (17); the rubber compression gasket (5) is also sleeved on the fixing screw (1) between the iron compression gasket (6) and the inner lining plate (8).
4. A tamper-free broken bellows arrangement according to claim 1, characterized in that the fixing screw (1) is arranged through the centre of the inner lining (8) and the outer lining (17).
5. A repair-free damaged corrugated pipe construction method, which is carried out by adopting the repair-free damaged corrugated pipe device as claimed in claim 1, and is characterized by comprising the following steps:
A. determining the damage position and the crack size of the corrugated pipe according to actual conditions, determining an excavation range, scattering ash lines, determining the laying depth of the corrugated pipe according to drawings, and determining the excavation depth;
B. mechanically digging to a position 300mm above the corrugated pipe during excavation, then manually excavating to the top of the corrugated pipe, and cleaning sand on the top of the corrugated pipe; and cleaning sediment, garbage and sundries in the corrugated pipe;
C. measuring the size of an opening at the damaged position of the corrugated pipe by using a tape measure, and determining the pipe diameter of the corrugated pipe; selecting an inner lining plate (8) and an outer lining plate (17) with matched pipe diameters, and cutting out proper lining plate widths according to the length and the width of the broken hole;
D. the fixing screw (1) passes through the lower part of the inner lining plate (8), adhesive is smeared around the edge of the inner lining plate (8), the inner side of the damaged original corrugated pipe wall (12) is placed, and the fixing screw (1) is pulled upwards, so that one surface of the inner lining plate (8) coated with adhesive is clung to the inner side of the original corrugated pipe wall (12);
E. placing an outer lining plate (17) cut according to the size of the break on the upper side of the original corrugated pipe reinforcing rib (13), and enabling the fixing screw (1) to penetrate through the outer lining plate (17);
F. the U-shaped pressing piece (4) passes through the fixing screw (1) to be tightly attached to the outer surface of the outer lining plate (17), the fastening screw cap (2) is screwed on, and the fastening screw cap (2) is screwed on to the extent that the inner lining plate (8) and the outer lining plate (17) are not fallen off and do not shake;
G. injecting high-strength waterproof foaming glue (11) into a gap between the inner lining plate (8) and the outer lining plate (17) through the glue injection holes (10) until the high-strength waterproof foaming glue (11) overflows after expanding;
H. and (3) after the high-strength waterproof foaming adhesive (11) is solidified, backfilling with medium coarse sand until the pipe top is 300mm, tamping and backfilling with plain soil layer by layer, and repairing the surface layer.
6. The method for constructing a repair-free damaged corrugated pipe according to claim 5, wherein the width of the lining plate in the step C is 200mm wider than the widest part of the hole opening.
7. The construction method of the repair-free damaged corrugated pipe according to claim 5, wherein the grain size of the medium coarse sand in the step H is 0.25mm-1mm.
8. The construction method of the repair-free damaged corrugated pipe according to claim 5, wherein in the step D, before the fixing screw (1) passes through the lower portion of the lining plate (8), an iron pressing gasket (6) is sleeved on the fixing screw (1), and the rubber pressing gasket (5) is arranged above the iron pressing gasket (6).
9. The dismantling-repair-free damaged corrugated pipe construction method of claim 5 is characterized in that a rubber compression gasket (5) is placed between the U-shaped compression piece (4) and the outer surface of the outer lining plate (17) in the step F, and a nut gasket (3) is further sleeved on a fixing screw (1) between the fastening nut (2) and the U-shaped compression piece (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311126568.3A CN116877827A (en) | 2023-09-04 | 2023-09-04 | Repair-free damaged corrugated pipe device and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311126568.3A CN116877827A (en) | 2023-09-04 | 2023-09-04 | Repair-free damaged corrugated pipe device and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116877827A true CN116877827A (en) | 2023-10-13 |
Family
ID=88271758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311126568.3A Pending CN116877827A (en) | 2023-09-04 | 2023-09-04 | Repair-free damaged corrugated pipe device and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116877827A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625061A (en) * | 2009-05-27 | 2010-01-13 | 无锡华毅管道有限公司 | Pipelining emergent repairing method of prestressing steel cylinder concrete pipe |
| CN103968186A (en) * | 2014-04-21 | 2014-08-06 | 浙江新中源建设有限公司 | Repair construction method for water supply pre-stressed concrete cylinder pipe |
| CN204358338U (en) * | 2014-12-09 | 2015-05-27 | 中国能源建设集团广东省电力设计研究院有限公司 | The repair structure of PCCP pipe |
| CN111851329A (en) * | 2020-08-21 | 2020-10-30 | 安徽省路桥工程集团有限责任公司 | High-fill corrugated steel pipe culvert construction system and construction method |
| CN218236612U (en) * | 2022-06-06 | 2023-01-06 | 天津市管道工程集团有限公司 | Reinforced concrete pipeline repairing device |
| CN219413157U (en) * | 2023-03-17 | 2023-07-25 | 宁波必固得金属科技有限公司 | Post-expanding bottom anchor bolt |
-
2023
- 2023-09-04 CN CN202311126568.3A patent/CN116877827A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625061A (en) * | 2009-05-27 | 2010-01-13 | 无锡华毅管道有限公司 | Pipelining emergent repairing method of prestressing steel cylinder concrete pipe |
| CN103968186A (en) * | 2014-04-21 | 2014-08-06 | 浙江新中源建设有限公司 | Repair construction method for water supply pre-stressed concrete cylinder pipe |
| CN204358338U (en) * | 2014-12-09 | 2015-05-27 | 中国能源建设集团广东省电力设计研究院有限公司 | The repair structure of PCCP pipe |
| CN111851329A (en) * | 2020-08-21 | 2020-10-30 | 安徽省路桥工程集团有限责任公司 | High-fill corrugated steel pipe culvert construction system and construction method |
| CN218236612U (en) * | 2022-06-06 | 2023-01-06 | 天津市管道工程集团有限公司 | Reinforced concrete pipeline repairing device |
| CN219413157U (en) * | 2023-03-17 | 2023-07-25 | 宁波必固得金属科技有限公司 | Post-expanding bottom anchor bolt |
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