CN106481350B - Slip casting aperture duct occlusion consolidation device and method in a kind of soft rich water country rock - Google Patents
Slip casting aperture duct occlusion consolidation device and method in a kind of soft rich water country rock Download PDFInfo
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- CN106481350B CN106481350B CN201611046744.2A CN201611046744A CN106481350B CN 106481350 B CN106481350 B CN 106481350B CN 201611046744 A CN201611046744 A CN 201611046744A CN 106481350 B CN106481350 B CN 106481350B
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- country rock
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- 238000007569 slipcasting Methods 0.000 title claims abstract description 82
- 238000007596 consolidation process Methods 0.000 title claims abstract description 35
- 239000011435 rock Substances 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000002002 slurry Substances 0.000 claims abstract description 42
- 230000000903 blocking effect Effects 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000005553 drilling Methods 0.000 claims description 17
- 238000010992 reflux Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000009955 starching Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000000151 deposition Methods 0.000 abstract description 2
- 239000004570 mortar (masonry) Substances 0.000 abstract description 2
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 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
- 238000004886 process control Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Agronomy & Crop Science (AREA)
- Soil Sciences (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The present invention relates to slip casting aperture duct occlusion consolidation device and methods in a kind of soft rich water country rock.Device part mainly includes aperture outer tube, and the inside of aperture outer tube front end, with blocking disk external connection, is blocked by screw thread and passes through screw thread airtight connection with slip casting inner tube inside disk；The outside for blocking disk is fixedly connected with lower only pulpboard, lower only pulpboard and upper only pulpboard plug connection；The upper only pulpboard is also fixedly connected with one end of drawstring, and the other end of drawstring is located at the opposite side for blocking disk；The rear end of the aperture outer tube is fastened by retaining mechanism and slip casting inner tube.The present apparatus is by designing completely new structure, by slip casting inner tube and the synergistic effect of aperture outer tube, realize the quick diffusion of the slurries under low grouting pressure, improve the closing consolidation effect of orifice tube and drill hole inner wall, ensure mortar depositing construction safety, the cleaning bottom of hole that previous orifice tube completely filled grouting closing consolidation technique is brought is overcome simultaneously and bores problem again, it is thus also avoided that slurries waste.
Description
Technical field
The present invention relates to the water damage Prevention Technique field of the underground engineerings such as tunnel, subway, mine, water conservancy and hydropower, specifically
It says, is to be related to slip casting aperture duct occlusion consolidation device and method in a kind of soft rich water country rock.
Background technology
In recent years, China continues to increase the dynamics of investment of infrastructure construction, traffic tunnel, city underground, diversion tunnel
The construction scale and difficulty of the underground engineerings such as hole are increasingly promoted.The underground engineering construction pine that often experience contains, permeable structure is developed
Soft rich water country rock, easily induced water inrush is dashed forward the Serious geological disasters such as mud in construction, and great threat is formed to engineering safety.
Slip casting method is to administer underground engineering gushing water to dash forward one of the most effective means of mud disaster.
This method need to be drilled with the drilling of certain amount and distribution on slip casting working face (being usually wall for grouting), and by drilling
Slurries are injected to administering in stratum, to achieve the effect that block water burst and reinforce country rock.Drilling is opened up on wall for grouting, usually
Burying one section in orifice end, there is drilling to be oriented to the steel orifice tube with slip casting every pressure effect.
In mortar depositing construction, the closing consolidation of orifice tube is an important factor for influencing drilling quality and safe slip casting.Aperture
Duct occlusion consolidation is bad will to lead to problems such as hole scattering, shallow stratum deformation serious, gently then influence grouting treatment effect, it is heavy then
Induce safety accident.
At present, the common process that duct occlusion consolidation in aperture is consolidated mostly using slurry is returned after slurries full-filling in pipe, specially：
Orifice tube outer end connects filling adaptor, rapid hardening plasmoid humor (such as cement-waterglass dual slurry) is injected into orifice tube, slurries are complete
Behind full-filling orifice tube inner space, slurry will be returned outward along the gap between aperture pipe outer wall and drill hole inner wall, after slurry consolidation
Realize the closing consolidation of orifice tube.
The common process control of grouting pressure is required it is high, when into orifice tube, the pressure of slip casting is smaller, slurry
Liquid range of scatter in incompact fractured surrounding rock is small, it is difficult to realize to totally-enclosed with country rock gap outside orifice tube, lead to orifice tube
Closing consolidation is of poor quality；When grouting pressure is larger, slurries will migrate in shallow stratum, lead to superficial part country rock and construction platform
Deformation is serious, threatens construction safety.
Meanwhile the common process need to carry out grouting filling to spaces whole in orifice tube, be needed when drilling extends first in pipe
Slurries Seed harvest carries out cleaning bottom of hole, increases multiple brill workload, reduces construction efficiency.
In addition, the aperture duct occlusion consolidation technique of full-filling can also cause a degree of slurries to waste in pipe.
In summary, it is necessary to a kind of new grouting device is designed, to solve the above problems.
Invention content
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, provide slip casting aperture in a kind of soft rich water country rock
Duct occlusion consolidation device.The present apparatus, by slip casting inner tube and the synergistic effect of aperture outer tube, is realized by designing completely new structure
The quick diffusion of slurries under low grouting pressure improves the closing consolidation effect of orifice tube and drill hole inner wall, it is ensured that note
Construction safety is starched, while overcomes the cleaning bottom of hole that previous orifice tube completely filled grouting closing consolidation technique is brought and bores problem again, also
Avoid slurries waste.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：
Slip casting aperture duct occlusion consolidation device in a kind of soft rich water country rock, including：
Aperture outer tube, the inside of aperture outer tube front end, with blocking disk external connection, block disk inside and slip casting by screw thread
Inner tube passes through screw thread airtight connection；
The outside for blocking disk is fixedly connected with lower only pulpboard, lower only pulpboard and upper only pulpboard plug connection；
The upper only pulpboard is also fixedly connected with one end of drawstring, and the other end of drawstring is located at the opposite side for blocking disk；
The rear end of the aperture outer tube is fastened by retaining mechanism and slip casting inner tube.
Preferably, the retaining mechanism includes housing, and the outside of housing has outer clamp, and inside has inner clip head, wild card
Head is fastened by aperture outer tube fixing bolt and aperture outer tube, and inner clip head is tight by slip casting inner tube fixing bolt and slip casting inner tube
Gu.
Preferably, the other end of the drawstring is wound in the tube body of slip casting inner tube or protrusion and retaining mechanism.
Preferably, it is provided with rubber cushion on the aperture outer tube fixing bolt.
Preferably, it is provided with rubber cushion on the slip casting inner tube fixing bolt.
Preferably, the outer clamp is 4.
Preferably, the inner clip head is 4.
Preferably, the drawstring is fixedly connected with ball, and ball is located between lower only pulpboard and closure disk.
Preferably, the aperture outer tube is steel pipe.
Preferably, it while above structure scheme is provided, is noted the present invention also provides a kind of using above device
The method reinforced is starched, is mainly included the following steps：
A, it drills on country rock, then aperture outer tube is placed in drilling；
B, slip casting inner tube is connected into grouting pump by valve；
C, grouting pump slip casting is opened, until drilling orifice has slurries outflow to stop；
D, slip casting inner tube fixing bolt is loosened, then rotates slip casting inner tube, then drawstring is pulled to prevent bottom stopper pulpboard grafting
Only slurries finally break drawstring from disk reflux is blocked；
E, it abolishes and disk is blocked in hole and is crept into again, deepening drilling, until projected depth.
In the present invention, technology requirement is as follows：
(1) the closure disk of customization different radii in advance, and blocking the prefabricated screw thread of plate edge, it is convenient with it is various sizes of
Aperture outer tube connection；And the prefabricated screw thread of disk center is being blocked, it is convenient to be connect with steel Grouting Pipe.
(2) slip casting inner tube diameter is more much smaller than aperture outer tube, consistent with stock inlet high-pressure rubber pipe internal diameter as possible, avoids internal diameter
Pressure is generated from large to small, while slurries can quickly migrate in pipe.
(3) outer tube fixing bolt in aperture mainly plays the role of guide support and fixing force transfer to slip casting inner tube, prevents from noting
Slurry inner tube is because when deflecting is mobile or grouting pressure is larger, causing slip casting inner tube with blocking running at disk connection screw thread.
(4) when dismounting slip casting inner tube is with blocking disk, pushing away to side can be generated to the junction for blocking disk and aperture outer tube
Power acts on, and full slurries has been fully populated in front of disk and slurries have certain pressure because blocking, thus will not unscrew block disk with
The connection screw thread of aperture outer tube.
(5) for traditional handicraft, this technique without slurries because being filled with aperture outer tube, and slurries are in the note of small-bore
It quickly migrates in slurry inner tube, closing consolidates required operating time shortening, can suitably accelerate the setting time of slurries；And
The filling range of slurries becomes smaller, and grouting pressure becomes smaller.
(6) block reserved on disk the convenient guiding fixing groove for stopping pulpboard movement and drawstring by cord hole, and before cord hole
The spherical groove of one ball of end setting, prevents slurries blocking from stopping pulpboard movement and reflux.
(7) drawstring uses fish silk thread, and one end is tied up in only pulpboard centre bottom, and other end tension is tied up before slip casting inner tube
End；Grouting Pipe drives to certain distance in the hole that the pulling of first average rate has been dismantled stops pulpboard closure grouting port, then slip casting inner tube to
Preceding movement, and drawstring is broken in rapid movement backward.
The beneficial effects of the invention are as follows：
(1) without slurries full-filling aperture outer tube, grouting amount is greatly reduced, reduces fortune of the slurries in the outer tube of aperture
Space is moved, realizes the quick diffusion of the slurries under low grouting pressure, the closing for improving aperture outer tube and drill hole inner wall consolidates
Effect.
(2) the device slip casting inner tube and aperture outer tube fixing bolt can reuse, and after removing slip casting inner tube, hole
Slurries without solidification in mouth outer tube, creep into without cleaning bottom of hole, accelerate construction speed, reduce project cost.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the structure diagram that the present invention stops pulpboard；
Fig. 3 is the side view of retaining mechanism in the present invention；
Fig. 4 is the front view of retaining mechanism in the present invention；
Fig. 5 is the application state figure of the present invention；
State diagram when Fig. 6 is grout cures；
Wherein, 1. slip casting valve；2. aperture outer tube；3. slip casting inner tube；4. block disk；5. anti-clockwise thread；6. only pulpboard,
Stop pulpboard under 6-1., 6-2, above stop pulpboard；7. drawstring；8. clockwise thread；9. cord hole；10. ball；11. aperture outer tube is consolidated
Determine bolt；12. slip casting inner tube fixing bolt；13. concrete wall for grouting；14. country rock；15. retaining mechanism, the outer clamps of 15-1.,
15-2. inner clip heads, 15-3. rubber cushions, 15-4. housings.
Specific embodiment
Below in conjunction with attached drawing, the present invention is described in detail.
Embodiment：Slip casting aperture duct occlusion consolidation device in a kind of soft rich water country rock, structure as shown in Figs 1-4, are wrapped
Aperture outer tube 2 is included, disk 4 is blocked, slip casting inner tube 3, retaining mechanism 15, the only pulpboard 6 for preventing slurry reflux, fastens and stop pulpboard 6
Drawstring 7 and the slip casting valve 1 that is connect with 3 outer end of slip casting inner tube etc..
It blocks disk 4 to connect by clockwise thread 8 with slip casting inner tube 3, only pulpboard 6 includes lower only pulpboard 6-1 and upper only slurry
Plate 6-2, lower only pulpboard 6-1 are fixedly connected with blocking the lateral surface of disk 4, and above only pulpboard 6-2 is plugged in down on only pulpboard 6-1, on
Only pulpboard 6-2 is connect with the right end of drawstring 7, and the 9 grouting behind shaft or drift lining inner tube 3 of cord hole that the left end of drawstring 7 is placed through blocking on disk 4 is bound
It connects or is placed directly within inside aperture outer tube 2.
The retaining mechanism 15 includes housing 15-4, and the outside of housing 15-4 has outer clamp 15-1, and inside has interior card
Head 15-2, outer clamp 15-1 fastened by aperture outer tube fixing bolt 11 with aperture outer tube 2, and inner clip head 15-2 passes through slip casting inner tube
Fixing bolt 12 is fastened with slip casting inner tube 3.
The non-screw cap end of aperture outer tube fixing bolt 11 and slip casting inner tube fixing bolt 12 is respectively provided with rubber cushion 15-3.
It is as follows using the grouting method of the present apparatus with reference to shown in figure 5 and Fig. 6：
A. the assembling of aperture duct occlusion consolidation device：
Depth and aperture according to design requirement make aperture outer tube 2 and slip casting inner tube 3, built in 2 front end of aperture outer tube
Anti-clockwise thread 5, the external clockwise thread 8 in 3 front end of slip casting inner tube；
The lower only pulpboard 6-1 of installation on disk 4 is blocked, above only pulpboard 6-2 fastens lower end drawstring 7, and drawstring 7, which puts on one, has bullet
Property ball 10, then pass through block disk 4 on cord hole, ball 10 be fixed on block disk 4 on front end preformed hole in；
Slip casting inner tube 3 is rotated clockwise by clockwise thread 8 with closure 4 centre bore of disk and tightened, and drawstring 7 is tied up in slip casting
On pipe 3；
Aperture outer tube fixing bolt 11 is fastened in 2 external port of aperture outer tube, and above-mentioned component is worn from 2 front end of aperture outer tube
It crosses to external port, using the guiding role of retaining mechanism 15, closure disk 4 and hole is fastened by rotating clockwise slip casting inner tube 3
Mouth outer tube 2；Aperture outer tube fixing bolt 11 has fastened slip casting inner tube 3, and whole device is completed.
B. it drills.
Transfer aperture duct occlusion consolidation device.The position of drilling is set by design requirement, adjusts the angle and drilling rod of drilling machine
Aperture get into projected depth on concrete wall for grouting 13 and country rock 14 by design requirement, manually or mechanically push orifice tube envelope
Consolidation device is closed to projected depth.
C. grouting operation.
Outer tube 2 outer end in aperture connects biliquid mixer, starts grouting pump, and into slip casting inner tube 3, injection is mixed by design proportioning
The rapid hardening class dual slurry of conjunction, will be along aperture pipe outer wall and drilling after slurries diffuse to 3 bottom of slip casting inner tube within a short period of time
It migrates outward in gap between wall；When observing that there is slurries outflow in aperture, stop slip casting.
D. aperture outer tube 2 closes the dismounting of consolidation device.
The connection between two fluid grouting device and slip casting valve 1 is dismantled, unscrews the fixation of aperture fixing piece 12 and slip casting inner tube 3
Bolt using pipe wrench is rotated and dismantles slip casting inner tube 3 with blocking disk 4 counterclockwise；The shorter distance of average rate movement slip casting inner tube 3, leads to
It crosses drawstring 7 and pulls and stop pulpboard 6-2 to grouting port position (reflux for preventing slurries), then slip casting inner tube 3 moves forward, and fast
Drawstring 7 is broken in movement to speed backward；It proposes slip casting inner tube 3, the slurries in slip casting inner tube 3 is rinsed with clear water；Aperture outer tube is dismantled to consolidate
Determine bolt 11.
E. ruler is crept into again.Grout cures and after reaching some strength, are abolished with drill bit and disk 4 are blocked in hole and is crept into again,
Deepening drills, until projected depth.Slip casting aperture duct occlusion consolidation device and operation in the entire soft soft rich water country rock of rich water
Technological operation is completed.
Application examples：
In July, -2016 in October, 2015, Guangxi Cenxi-prosperous entrance section of tunnel of water river in Shangdong Province highway encounter soft rich water
Geological anomaly zone, and there is gushing water and dash forward mud geological disaster.When carrying out the improvement of protrusive curtain-grouting, in conventional borehole casing
When blocking slip casting, because aperture is larger, when grouting pressure is smaller, slurries range of scatter in incompact fractured surrounding rock is small, it is difficult to
It realizes to totally-enclosed with country rock gap outside orifice tube, causes to consolidate aperture duct occlusion of poor quality；When grouting pressure is larger,
Slurries is often caused to migrate to crack platform to be caused to play drum under construction operation platform by stratum.Used soft rich water instead later
Slip casting aperture duct occlusion consolidation device and process matched therewith, reduce aperture in country rock, accelerate the migration velocity of slurries, reach
The purpose of closing consolidation casing, and reduce multiple brill amount and injecting paste material dosage.
94 drilling orifice duct occlusions that the device and process matched therewith are administered in prosperous tunnel entrance or so hole curtain-grouting
It is used in consolidation, achieves better effects.It ensure that two line second circulations and consolidated with the curtain-grouting aperture duct occlusion of Posterior circle
The quality of knot.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to consistent with principles disclosed herein and feature
Most wide range.
Claims (9)
1. a kind of slip casting aperture duct occlusion consolidation device in soft rich water country rock, which is characterized in that including：
Aperture outer tube, the inside of aperture outer tube front end, with blocking disk external connection, block disk inside and slip casting inner tube by screw thread
Pass through screw thread airtight connection；
The outside for blocking disk is fixedly connected with lower only pulpboard, lower only pulpboard and upper only pulpboard plug connection；
The upper only pulpboard is also fixedly connected with one end of drawstring, and the other end of drawstring is located at the opposite side for blocking disk；
The rear end of the aperture outer tube is fastened by retaining mechanism and slip casting inner tube；
The retaining mechanism includes housing, and the outside of housing has an outer clamp, and inside has an inner clip head, outer clamp by aperture outside
Pipe fixing bolt is fastened with aperture outer tube, and inner clip head is fastened by slip casting inner tube fixing bolt and slip casting inner tube.
2. slip casting aperture duct occlusion consolidation device in soft rich water country rock according to claim 1, which is characterized in that described
The other end of drawstring is wound in the tube body of slip casting inner tube or protrusion and retaining mechanism.
3. slip casting aperture duct occlusion consolidation device in soft rich water country rock according to claim 1, which is characterized in that described
Rubber cushion is provided on the outer tube fixing bolt of aperture.
4. slip casting aperture duct occlusion consolidation device in soft rich water country rock according to claim 1, which is characterized in that described
Rubber cushion is provided on slip casting inner tube fixing bolt.
5. slip casting aperture duct occlusion consolidation device in soft rich water country rock according to claim 1, which is characterized in that described
Outer clamp is 4.
6. slip casting aperture duct occlusion consolidation device in soft rich water country rock according to claim 1, which is characterized in that described
Inner clip head is 4.
7. slip casting aperture duct occlusion consolidation device in soft rich water country rock according to claim 1, which is characterized in that described
Drawstring is fixedly connected with ball, and ball is located between lower only pulpboard and closure disk.
8. slip casting aperture duct occlusion consolidation device in soft rich water country rock according to claim 1, which is characterized in that described
Aperture outer tube is steel pipe.
9. a kind of carried out using slip casting aperture duct occlusion consolidation device in the soft rich water country rock of claim 1-8 any one of them
The method of grouting and reinforcing, which is characterized in that step is as follows：
A, it drills on country rock, then aperture outer tube is placed in drilling；
B, slip casting inner tube is connected into grouting pump by valve；
C, grouting pump slip casting is opened, until drilling orifice has slurries outflow to stop；
D, slip casting inner tube fixing bolt is loosened, then rotates slip casting inner tube, then pull drawstring that bottom stopper pulpboard grafting is made to prevent from starching
Liquid finally breaks drawstring from disk reflux is blocked；
E, it abolishes and disk is blocked in hole and is crept into again, deepening drilling, until projected depth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611046744.2A CN106481350B (en) | 2016-11-23 | 2016-11-23 | Slip casting aperture duct occlusion consolidation device and method in a kind of soft rich water country rock |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611046744.2A CN106481350B (en) | 2016-11-23 | 2016-11-23 | Slip casting aperture duct occlusion consolidation device and method in a kind of soft rich water country rock |
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| Publication Number | Publication Date |
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| CN106481350B true CN106481350B (en) | 2018-06-22 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236884A (en) * | 2020-03-10 | 2020-06-05 | 华北有色工程勘察院有限公司 | Grouting stopping device for grouting broken rock mass and grouting method |
| CN112253887A (en) * | 2020-10-23 | 2021-01-22 | 中国电建集团贵阳勘测设计研究院有限公司 | Underground drainage pipeline detection hole repairing device and method |
| CN113653460B (en) * | 2020-11-16 | 2023-04-07 | 中国石油天然气集团有限公司 | Solid pipe plugging device |
| CN114458045B (en) * | 2022-03-09 | 2023-06-13 | 鞍山益安房屋修缮有限责任公司 | Grouting blocking method and curved grouting needle for hard ornament building window water leakage |
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Patent Citations (5)
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|---|---|---|---|---|
| CN202081908U (en) * | 2011-06-01 | 2011-12-21 | 焦作煤业（集团）白云煤业有限公司 | Hole sealing device for water gushing and gas drainage drilled hole |
| CN103806438A (en) * | 2012-11-07 | 2014-05-21 | 上海市政工程设计研究总院（集团）有限公司 | Method for embedment of grouting hole in base plate of underground chamber |
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