CN114808931A - Leakage-stopping rod for leakage stopping of slurry of cast-in-situ bored pile on rubble dike in complex sea area - Google Patents
Leakage-stopping rod for leakage stopping of slurry of cast-in-situ bored pile on rubble dike in complex sea area Download PDFInfo
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- CN114808931A CN114808931A CN202210278283.0A CN202210278283A CN114808931A CN 114808931 A CN114808931 A CN 114808931A CN 202210278283 A CN202210278283 A CN 202210278283A CN 114808931 A CN114808931 A CN 114808931A
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- leak
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- stopping
- partition plate
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- 239000002002 slurry Substances 0.000 title claims abstract description 34
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 16
- 239000007921 spray Substances 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 238000005553 drilling Methods 0.000 claims abstract description 7
- 238000005192 partition Methods 0.000 claims description 31
- 238000007569 slipcasting Methods 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 239000004568 cement Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/64—Repairing piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Revetment (AREA)
Abstract
The invention provides a leak-stopping rod for preventing leakage of a drilling bored pile on a riprap dike in a complex sea area, wherein one end of the leak-stopping rod is provided with a grouting rotating ring, the other end of the leak-stopping rod is provided with a spraying seat, the spraying seat is provided with a plurality of spray heads, the grouting rotating ring at the upper end of the leak-stopping rod is connected with a driving rotating seat of a jumbolter, an air pressure pipeline and a grouting pipeline are respectively communicated with the grouting rotating ring, the air pressure pipeline and the grouting pipeline are in rotary sealing communication with the grouting rotating ring, an air pressure vertical pipe and a solution vertical pipe are arranged in the leak-stopping rod, the air pressure vertical pipe is communicated with the air pressure pipeline, and the solution vertical pipe is communicated with the grouting pipeline. The leakage position of air and the leakage stopping slurry is accurately sprayed through the parallel pipelines, and the leakage stopping slurry forms a strong and hard hole wall through chemical reaction, so that the purpose of stopping leakage is achieved. The equipment for quickly stopping leakage of the cast-in-situ bored pile slurry on the riprap levee in the complex sea area is simple to operate and accurate in leakage repairing.
Description
Technical Field
The invention relates to the technical field of pile foundation construction, in particular to a leak-stopping rod for preventing slurry leakage of a cast-in-situ bored pile on a riprap dike in a complex sea area.
Background
When the cast-in-place bored pile on the riprap levee in the complex sea area is used for pore-forming construction, when the cast-in-place bored pile passes through a rock block layer, a medium-coarse sand layer and a gravel layer, the problems of slurry leakage, hole collapse and the like are easy to occur in pore-forming, the requirement on environmental protection is high, and the prevention of slurry overflow is also a key difficulty.
Slurry leakage of a deep coarse sand layer is extremely difficult to control, the leakage stopping effect is poor, pile forming failure is caused, great economic loss is brought to enterprises and society, and a large number of remedial measures are required.
Chinese patent CN101173516B "method for preventing and treating slurry leakage and hole collapse of large-diameter deep-hole bored pile by grouting curtain method" discloses a method for preventing and treating slurry leakage and hole collapse of large-diameter deep-hole bored pile by grouting curtain method, which is to arrange a grouting positioning ring at the periphery of a steel pile casing of a bored pile, drill grouting holes at intervals along the circumference between the steel pile casing and the grouting positioning ring, inject cement slurry into the grouting holes, and allow the slurry to fully diffuse and fill gaps and be consolidated with a loose permeable layer to form a waterproof curtain with higher strength. The method can treat the slurry leakage and hole collapse accidents of the large-diameter deep-hole cast-in-situ bored pile, the slurry of the cement slurry is injected into the loose and permeable layer, and is mixed and consolidated with the loose and permeable layer to fill gaps, so that a circle of waterproof curtain with higher strength is formed, the leakage stopping effect is good, and the treatment is thorough. However, in the process of plugging, the equipment needs to be overhauled to assist construction, a large amount of materials are wasted, and although plugging is carried out, the plugging equipment cannot be recycled.
Disclosure of Invention
The invention mainly aims to provide a leakage repairing rod for preventing slurry leakage of a cast-in-situ bored pile on a riprap levee in a complex sea area, and solves the problems of slurry leakage of a deep coarse sand layer, difficult control, poor leakage repairing effect and pile forming failure.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a leak repairing pole that drilling bored concrete pile leaks thick liquid leak-stopping and uses on complicated sea area riprap dyke, leak repairing pole one end is equipped with the slip casting swivel becket, the other end is equipped with spouts the seat, it is equipped with a plurality of shower nozzles on the seat to spout, the slip casting swivel becket of leak repairing pole upper end is connected with roofbolter's drive swivel becket, pneumatic line and slip casting pipeline communicate with the slip casting swivel becket respectively, and pneumatic line and slip casting pipeline and slip casting swivel becket rotary seal intercommunication, inside pneumatic standpipe and the solution standpipe of being equipped with of leak repairing pole, pneumatic standpipe and pneumatic line intercommunication, solution standpipe and slip casting pipeline intercommunication.
In the preferred scheme, be equipped with two annular recesses on the slip casting swivel becket, be equipped with a plurality of through-holes on the annular groove, still be equipped with the sealing ring, annular groove is sealed to rotate on sealing ring and the slip casting swivel becket and is connected, and the sealing ring inner wall also is equipped with feed liquor groove in the annular, and the sealing ring outside is equipped with the connector, feed liquor groove intercommunication in connector and the annular, atmospheric pressure pipeline and slip casting pipeline communicate with two sealing ring connectors respectively.
In the preferred scheme, slip casting swivel inner wall is equipped with two at least sealed cavities, and slip casting swivel inner wall is equipped with first baffle, and first baffle is established in slip casting pipeline below, and first baffle forms first sealed chamber with slip casting swivel top, first baffle below and solution standpipe intercommunication.
In the preferred scheme, a second partition plate is arranged below the first partition plate, the second partition plate and the first partition plate form a second sealing cavity, the air pressure pipeline is communicated with the second sealing cavity, and the lower portion of the second partition plate is communicated with the air pressure vertical pipe.
In the preferred scheme, the first baffle and the second baffle are cone-shaped funnel structures with solution standpipe and pneumatic stack junction.
In the preferred scheme, spout the inside cavity that is equipped with of seat, spout the seat outer wall and be equipped with a plurality of shower nozzles, the shower nozzle with spout the inside cavity intercommunication of seat.
In the preferred scheme, the bottom of the spray seat is also provided with a plug.
In the preferred scheme, a clamping seat is arranged on the grouting rotating ring, and the clamping seat is clamped with the driving rotating seat or connected with the driving rotating seat through a nut.
In the preferred scheme, the inner wall of the leakage repairing rod is provided with a plurality of support rings, and the solution vertical pipe and the air pressure vertical pipe are fixed inside the leakage repairing rod through the support rings.
The invention provides a leak-stopping rod for stopping leakage of slurry of a cast-in-situ bored pile on a riprap levee in a complex sea area. The equipment for quickly stopping leakage of the cast-in-situ bored pile slurry on the riprap levee in the complex sea area is simple to operate and accurate in leakage repairing.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a general construction block diagram of the present invention;
FIG. 2 is a cross-sectional view of the bushing of the present invention;
FIG. 3 is a view showing the internal structure of the grouting rotary ring according to the present invention;
FIG. 4 is a view showing the internal structure of the nozzle base according to the present invention;
in the figure: grouting the rotating ring 1; a through hole 101; a first separator 102; a second separator 103; a card socket 104; a leakage repairing rod 2; a jumbolter 3; a slide table 301; a driving rotary base 302; a steel casing 4; artificial fill 5; a beach rock layer 6; a coarse sand seepage layer 7; a gravel layer 8; a water seepage position 9; a seal ring 10; a liquid inlet tank 1001; a pneumatic standpipe 11; a solution standpipe 12; a support ring 13; a spray base 14; a shower head 15; a plug 16; a pneumatic line 17; and grouting the pipe 18.
Detailed Description
Example 1
As shown in fig. 1-4, a leak repairing rod for preventing leakage of a grouting pile on a riprap levee in a complex sea area, wherein one end of the leak repairing rod 2 is provided with a grouting rotating ring 1, the other end of the leak repairing rod is provided with a spray seat 14, the spray seat 14 is provided with a plurality of spray nozzles 15, the grouting rotating ring 1 at the upper end of the leak repairing rod 2 is connected with a driving rotating seat 302 of a jumbolter 3, an air pressure pipeline 17 and a grouting pipeline 18 are respectively communicated with the grouting rotating ring 1, the air pressure pipeline 17 and the grouting pipeline 18 are communicated with the grouting rotating ring 1 in a rotating and sealing manner, an air pressure vertical pipe 11 and a solution vertical pipe 12 are arranged inside the leak repairing rod 2, the air pressure vertical pipe 11 is communicated with the air pressure pipeline 17, and the solution vertical pipe 12 is communicated with the grouting pipeline 18. The pneumatic pipe 17 and the grouting pipe 18 are introduced into the grouting rotation ring 1. The grouting pressure pipeline 17 and the grouting pipeline 18 are merged into the grouting rotating ring 1, and the grouting rotating ring 1 conveys gas and grouting liquid to the interior of the spray seat 14 through the air pressure vertical pipe 11 and the solution vertical pipe 12 for mixing.
The length of the grouting rotating ring 1 can be adjusted according to the leakage depth, the position of the grouting rotating ring 1 is adjusted by the anchor rod drilling machine 3, the grouting rotating ring 1 is used for suspending the anchor rod drilling machine 3 to the leakage position through the lower portion of the protective cylinder 4, the machine is started, the grout is mixed with air to form strong impact force, and after being sprayed out through the nozzle 10, the strong and hard protective wall is rapidly formed to be enlarged, so that the leakage position is blocked.
In the preferred scheme, be equipped with two annular recesses on the slip casting swivel ring 1, be equipped with a plurality of through-holes 101 on the annular recess, still be equipped with sealing ring 10, annular recess sealed rotation is connected on sealing ring 10 and the slip casting swivel ring 1, the sealing ring 10 inner wall also is equipped with feed liquor groove 1001 in the annular, the sealing ring 10 outside is equipped with the connector, feed liquor groove 1001 intercommunication in connector and the annular, atmospheric pressure pipeline 17 and slip casting pipeline 18 communicate with two sealing ring 10 connectors respectively. 2-3, slip casting pipeline 18 and atmospheric pressure pipeline 17 pass through sealing ring 10 and communicate with slip casting swivel ring 1 inside, slip casting swivel ring 1 can be rotatory while to the inside transport gas of mending-leakage pole 2 and the liquid that leaks stoppage.
In the preferred scheme, the inner wall of the grouting rotating ring 1 is provided with at least two sealing cavities, the inner wall of the grouting rotating ring 1 is provided with a first partition plate 102, the first partition plate 102 is arranged below the grouting pipeline 18, a first sealing cavity is formed between the first partition plate 102 and the upper part of the grouting rotating ring 1, and the lower part of the first partition plate 102 is communicated with the solution standpipe 12. A second partition plate 103 is arranged below the first partition plate 102, a second sealed chamber is formed by the second partition plate 103 and the first partition plate 102, the air pressure pipeline 17 is communicated with the second sealed chamber, and a gas pressure vertical pipe 11 is communicated below the second partition plate 103. The grouting pipeline 18 is communicated with a first cavity on the first partition plate 102, the first partition plate 102 is communicated with the spray seat 14 of the bottom plate of the leakage repairing rod 2 through the solution vertical pipe 12, the second cavity formed by the second partition plate 103 and the first partition plate 102 is communicated with the air pressure pipeline 17, the second cavity is communicated with the spray seat 14 through the air pressure vertical pipe 11, slurry and air are mixed inside the spray seat 14 to form strong impact force, and the slurry is sprayed out through the spray head 15 to quickly form an expanded strong hard protection wall so as to block a leakage position.
In a preferred embodiment, the connection between the first partition plate 102 and the second partition plate 103 and the solution standpipe 12 and the pneumatic standpipe 11 is a conical funnel structure. Inside conical funnel structure made things convenient for liquid to enter into solution standpipe 12, inside the inside moisture of atmospheric pressure entered into atmospheric pressure standpipe 11, prevented the condition of ponding.
In the preferred scheme, a cavity is arranged in the spray seat 14, a plurality of spray heads 15 are arranged on the outer wall of the spray seat 14, and the spray heads 15 are communicated with the cavity in the spray seat 14. A plug 16 is also arranged at the bottom of the spray seat 14. In order to facilitate cleaning the inside of the spray seat 14, a plug 16 is installed at the end of the spray seat 14, and the inside of the spray seat 14 can be cleaned by detaching the plug 16.
In a preferred embodiment, the grouting rotation ring 1 is provided with a clamping seat 104, and the clamping seat 104 is clamped with the driving rotation seat 302 or connected with the driving rotation seat through a nut. Grouting rotation ring 1 is mounted on driving rotation seat 302 through clamping seat 104.
In the preferred scheme, 2 inner walls of trapping rod are equipped with a plurality of support rings 13, and solution standpipe 12 and pneumatic standpipe 11 pass through support rings 13 to be fixed in trapping rod 2 inside. The support ring 22 is used for supporting the whole solution standpipe 12 and pneumatic standpipe 11.
Example 2
As described further with reference to embodiment 1, as shown in fig. 1 to 4, the anchor rod of the anchor drilling machine 3 is removed from the driving rotary seat 302, the leakage repairing rod 2 is mounted on the rotary seat 302 of the anchor drilling machine 3, and the rotary seat 302 can slide up and down on the slide table 801.
The jumbolter 3 extends the leak repairing rod 2 into the slurry leaking position through the steel casing 12.
The position of the nozzle seat 14 at the lower end of the leak-stopping rod 2 is slidably adjusted on the slide table 301 by driving the rotary seat 302 of the jumbolter 3.
After the position of the spray seat 14 is accurately adjusted, a grouting pump and an air compressor are started, slurry and air are mixed to form strong impact force, the strong impact force is rapidly formed after the slurry is sprayed out of the spray head 15, and meanwhile, the spray seat 14 rotates to block the leakage position.
And cement (PC 42.5) and an accelerator are blended in the dispensing container, the water cement ratio is 1:1, the cement slurry pressure of a grouting pump is not less than 20Mpa, the pressure of an air compressor is 0.7-0.9Mpa, and the speed of a grouting pipe at a leakage position is increased by 0.1-0.25 m/min.
After the leakage stoppage is finished, the jumbolter 3 lifts the whole leakage repairing rod 2, and the leakage repairing is finished.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (9)
1. The utility model provides a leak hunting pole that drilling bored concrete pile leaks thick liquid leak-stopping usefulness on complicated sea area riprap dike, characterized by: mending leakage pole (2) one end is equipped with slip casting rotating ring (1), the other end is equipped with spouts seat (14), be equipped with a plurality of shower nozzles (15) on spouting seat (14), slip casting rotating ring (1) of mending leakage pole (2) upper end is connected with drive rotating seat (302) of roofbolter (3), pneumatic line (17) and slip casting pipeline (18) communicate with slip casting rotating ring (1) respectively, and pneumatic line (17) and slip casting pipeline (18) and slip casting rotating ring (1) rotary seal intercommunication, mending leakage pole (2) inside is equipped with atmospheric pressure standpipe (11) and solution standpipe (12), atmospheric pressure standpipe (11) and pneumatic line (17) intercommunication, solution standpipe (12) and slip casting pipeline (18) intercommunication.
2. The leak-stopping rod for preventing slurry leakage of the cast-in-situ bored pile on the riprap levee in the complex sea area according to claim 1, which is characterized in that: be equipped with two annular recesses on slip casting swivel ring (1), be equipped with a plurality of through-holes (101) on the annular groove, still be equipped with sealing ring (10), annular groove seals rotates on sealing ring (10) and slip casting swivel ring (1) and is connected, feed liquor groove (1001) in sealing ring (10) inner wall also is equipped with the annular, sealing ring (10) outside is equipped with the connector, feed liquor groove (1001) intercommunication in connector and the annular, atmospheric pressure pipeline (17) and slip casting pipeline (18) communicate with two sealing ring (10) connectors respectively.
3. The leak-stopping rod for preventing slurry leakage of the cast-in-situ bored pile on the riprap levee in the complex sea area according to claim 2, which is characterized in that: the inner wall of the grouting rotating ring (1) is provided with at least two sealing cavities, the inner wall of the grouting rotating ring (1) is provided with a first partition plate (102), the first partition plate (102) is arranged below a grouting pipeline (18), a first sealing cavity is formed above the first partition plate (102) and the grouting rotating ring (1), and the lower part of the first partition plate (102) is communicated with the solution vertical pipe (12).
4. The leak-stopping rod for preventing slurry leakage of the cast-in-situ bored pile on the riprap levee in the complex sea area according to claim 3, which is characterized in that: a second partition plate (103) is arranged below the first partition plate (102), a second sealed cavity is formed by the second partition plate (103) and the first partition plate (102), the air pressure pipeline (17) is communicated with the second sealed cavity, and the lower portion of the second partition plate (103) is communicated with the air pressure vertical pipe (11).
5. The leak-stopping rod for preventing slurry leakage of the cast-in-situ bored pile on the riprap levee in the complex sea area according to claim 3, which is characterized in that: the connection parts of the first partition plate (102) and the second partition plate (103) and the solution standpipe (12) and the pneumatic standpipe (11) are in a cone funnel structure.
6. The leak-stopping rod for preventing slurry leakage of the cast-in-situ bored pile on the riprap levee in the complex sea area according to claim 1, which is characterized in that: the inner part of the spray seat (14) is provided with a cavity, the outer wall of the spray seat (14) is provided with a plurality of spray heads (15), and the spray heads (15) are communicated with the cavity in the spray seat (14).
7. The leak-stopping rod for preventing slurry leakage of the cast-in-situ bored pile on the riprap levee in the complex sea area according to claim 6, which is characterized in that: a plug (16) is also arranged at the bottom of the spray seat (14).
8. The leak-stopping rod for preventing slurry leakage of the cast-in-situ bored pile on the riprap levee in the complex sea area according to claim 1, which is characterized in that: the grouting rotating ring (1) is provided with a clamping seat (104), and the clamping seat (104) is clamped with the driving rotating seat (302) or connected through a nut.
9. The leak-stopping rod for preventing slurry leakage of the cast-in-situ bored pile on the riprap levee in the complex sea area according to claim 1, which is characterized in that: the inner wall of the leakage repairing rod (2) is provided with a plurality of support rings (13), and the solution vertical pipe (12) and the pneumatic vertical pipe (11) are fixed inside the leakage repairing rod (2) through the support rings (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210278283.0A CN114808931A (en) | 2022-03-21 | 2022-03-21 | Leakage-stopping rod for leakage stopping of slurry of cast-in-situ bored pile on rubble dike in complex sea area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210278283.0A CN114808931A (en) | 2022-03-21 | 2022-03-21 | Leakage-stopping rod for leakage stopping of slurry of cast-in-situ bored pile on rubble dike in complex sea area |
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| Publication Number | Publication Date |
|---|---|
| CN114808931A true CN114808931A (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210278283.0A Pending CN114808931A (en) | 2022-03-21 | 2022-03-21 | Leakage-stopping rod for leakage stopping of slurry of cast-in-situ bored pile on rubble dike in complex sea area |
Country Status (1)
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|---|---|
| CN (1) | CN114808931A (en) |
Citations (13)
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|---|---|---|---|---|
| FR1478400A (en) * | 1966-01-21 | 1967-04-28 | Method for the construction of a continuous wall in boring piles | |
| CN102561331A (en) * | 2012-01-17 | 2012-07-11 | 广东华隧建设股份有限公司 | Drilling machine for pray stake construction and method for constructing by means of drilling machine |
| CN103726487A (en) * | 2013-12-27 | 2014-04-16 | 中国京冶工程技术有限公司厦门分公司 | Leaking stoppage method for waterproof curtain |
| CN204401660U (en) * | 2014-12-08 | 2015-06-17 | 中建八局第三建设有限公司 | A kind of castinplace pile bores core bore infiltration plugging device |
| CN106049467A (en) * | 2016-08-02 | 2016-10-26 | 中铁六局集团有限公司 | Method for treating slurry leakage of bored pile through percussion drill under complex geology |
| CN206512713U (en) * | 2017-02-24 | 2017-09-22 | 三峡大学 | A kind of high pressure jet grouting machine |
| CN109024641A (en) * | 2018-07-11 | 2018-12-18 | 上海市基础工程集团有限公司 | Triple tube double-liquid rotary spray is used for the construction method of deep basal pit leak stopping |
| CN111997073A (en) * | 2020-08-15 | 2020-11-27 | 广东劲拓建设工程有限公司 | Air bag type curtain leakage blocking device and method |
| CN112095647A (en) * | 2020-09-18 | 2020-12-18 | 江苏建院营造股份有限公司 | Plugging method for quickly plugging leakage point of waterproof curtain |
| CN212358286U (en) * | 2020-03-06 | 2021-01-15 | 珠海十字门中央商务区建设控股有限公司 | Double-pipe jet grouting system |
| CN113463640A (en) * | 2021-07-09 | 2021-10-01 | 中电建路桥集团有限公司 | Karst cave processing method |
| CN114198084A (en) * | 2021-08-17 | 2022-03-18 | 中国石油天然气集团有限公司 | Fractured stratum plugging simulation evaluation device and evaluation method |
| CN216999732U (en) * | 2022-03-21 | 2022-07-19 | 中交二航局第一工程有限公司 | Leak-stopping rod for slurry leakage stopping of cast-in-situ bored pile |
-
2022
- 2022-03-21 CN CN202210278283.0A patent/CN114808931A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1478400A (en) * | 1966-01-21 | 1967-04-28 | Method for the construction of a continuous wall in boring piles | |
| CN102561331A (en) * | 2012-01-17 | 2012-07-11 | 广东华隧建设股份有限公司 | Drilling machine for pray stake construction and method for constructing by means of drilling machine |
| CN103726487A (en) * | 2013-12-27 | 2014-04-16 | 中国京冶工程技术有限公司厦门分公司 | Leaking stoppage method for waterproof curtain |
| CN204401660U (en) * | 2014-12-08 | 2015-06-17 | 中建八局第三建设有限公司 | A kind of castinplace pile bores core bore infiltration plugging device |
| CN106049467A (en) * | 2016-08-02 | 2016-10-26 | 中铁六局集团有限公司 | Method for treating slurry leakage of bored pile through percussion drill under complex geology |
| CN206512713U (en) * | 2017-02-24 | 2017-09-22 | 三峡大学 | A kind of high pressure jet grouting machine |
| CN109024641A (en) * | 2018-07-11 | 2018-12-18 | 上海市基础工程集团有限公司 | Triple tube double-liquid rotary spray is used for the construction method of deep basal pit leak stopping |
| CN212358286U (en) * | 2020-03-06 | 2021-01-15 | 珠海十字门中央商务区建设控股有限公司 | Double-pipe jet grouting system |
| CN111997073A (en) * | 2020-08-15 | 2020-11-27 | 广东劲拓建设工程有限公司 | Air bag type curtain leakage blocking device and method |
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| CN113463640A (en) * | 2021-07-09 | 2021-10-01 | 中电建路桥集团有限公司 | Karst cave processing method |
| CN114198084A (en) * | 2021-08-17 | 2022-03-18 | 中国石油天然气集团有限公司 | Fractured stratum plugging simulation evaluation device and evaluation method |
| CN216999732U (en) * | 2022-03-21 | 2022-07-19 | 中交二航局第一工程有限公司 | Leak-stopping rod for slurry leakage stopping of cast-in-situ bored pile |
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