CN101768974A - Method and device for grouting in hole and effectively stopping grout - Google Patents
Method and device for grouting in hole and effectively stopping grout Download PDFInfo
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- CN101768974A CN101768974A CN200910227702A CN200910227702A CN101768974A CN 101768974 A CN101768974 A CN 101768974A CN 200910227702 A CN200910227702 A CN 200910227702A CN 200910227702 A CN200910227702 A CN 200910227702A CN 101768974 A CN101768974 A CN 101768974A
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Abstract
The invention discloses a method for grouting in a hole and effectively stopping the grout. The method is divided into two main action processes, namely grouting and stopping the grount and comprises the following steps: drilling a hole, grouting, expanding with an expansion rubber plug, grouting and disassembling. The device for realizing the method for grouting in the hole and effectively stopping the grout comprises a grout inlet pipe (1), a grout pipeline, an expansion stop-grouting plug (11) and a single-way pressure valve (14) which are sequentially connected, wherein the grout pipeline and the expansion stop=grouting plug (11) as well as the expansion stop-grouting plug (11) and the single-way pressure valve (14) are connected by joints. The technology can stop the grout at any section in the grouted hole with good effect. Besides, steel grout transmission pipes can be conveniently removed from the device, thereby reducing the waste of the materials while ensuring the grout stopping effect.
Description
Technical field
The present invention relates to a kind of slurry technology of ending, particularly a kind of be applied to that tunnel, underground construction crack and fragmented rock body pre-grouting are reinforced and the hole of water blockoff in slip casting and effectively end the method for starching; The invention still further relates to a kind of realize slip casting and effective device that ends slurry in the hole.
Background technology
When in crack and breaking surrounding rock, carrying out tunnel and underground engineering construction,, often adopt slip casting method to realize water blockoff and reinforcing both at home and abroad in order to guarantee the water amount of seepage after construction safety and minimizing tunnel build up.The grouting process that is applied to rock mass slip casting at present has the disposable slip casting in full hole, the slip casting of segmentation protrusive, the slip casting of segmentation retrusive etc.
The complete disposable slip casting in hole is by designing the disposable boring of finishing, install orifice tube in boring, directly grouting pipeline is connected with orifice tube then and carries out slip casting, but this method being not good to the consolidation effect of foot of hole, only is suitable for obsolete stratum, crack; Protrusive segmenting slip casting method, this method is to use stop grouting plug or orifice tube flange to end slurry at drilling orifice, by boring one section, annotating one section, bore one section again, annotate one section brill again and annotate over-over mode boring grouting method, injected hole leading portion part need be reinforced and handle to this method repeatedly, operation is loaded down with trivial details, and the slurries waste is more.
The retrusive segmenting slip casting be disposable with hole drill to projected depth, retreat grouting mode from foot of hole by predetermined length then to the aperture, this grouting mode mainly contains in slip casting of drilling rod retrusive and the stop grouting plug hole slip casting etc.; The slip casting of drilling rod retrusive mainly ends slurry by slurries and aperture chuck, but can not realize ending slurry in the hole, must take rig during slip casting, and occurs embracing the phenomenon of boring and can not pulling out drilling rod easily; And air heave type or hydraulic type stop grouting plug grouting mode at present commonly used can realize ending slurry in the hole in, during slip casting by calming the anger or setting-out makes stop grouting plug expand and ends and starching, after having annotated one section, stop grouting plug air pressure or hydraulic pressure are released, pour down one section again, the shortcoming of this method is, owing to be not unidirectional expansion, after the stop grouting plug pressure release, can restore to the original state, thereby cause that slurries can backflow to the aperture in the hole, can not pressurize, and cause the slurries waste.
In sum, existing grouting process all can not effectively be realized any part in the hole is carried out slip casting, and reliable effect of ending slurry, therefore is necessary to adopt new slip casting and ends the slurry technology.
Summary of the invention
In order to overcome the deficiency in the background technology, the purpose of this invention is to provide and a kind ofly can carry out slip casting, and only starch reliable method any part in holing, another object of the present invention provides a kind of device of implementing this method.
For achieving the above object, the present invention adopts following technical scheme:
Slip casting and effective method of ending slurry in the described hole, be divided into slip casting, only starch two big effect processes, the stock line of the device of slurries by implementing this method enters, after slip casting finishes, the delay parts of this device play only slurry effect, and the dismounting parts of this device can connect other delay parts and carry out slip casting next time.
Slip casting and effective method of ending slurry in described a kind of hole, concrete steps are as follows:
1), adopt rig to be drilled with injected hole to designing hole depth, withdraw from drilling rod;
2), the slurries that transfer out of grouting pump by inlet pipe, successively flow through stock line, expansion stop grouting plug, arrive one-way pressure valve;
When 3), slurry pressure does not reach the opening pressure of one way valve of one-way pressure valve, slurries are propped up caulking gum by expansion stop grouting plug overflow slurry hole and are covered into the expanded rubber plug, the expanded rubber plug expands, until swell diameter greater than the hole internal diameter, thereby hole wall is sealed;
4), when slurries pressure is increased to greater than the opening pressure of one way valve, slurries are washed one way valve open, the surge fuse piece is opened, slurries enter in the boring by slurry outlet, carry out slip casting;
5), slip casting finishes one way valve resilience sealing prevention slurry reflux; The rotation stock line, dismounting is taken out; Expansion stop grouting plug, one-way pressure valve are detained to end in the hole to be starched.
Slip casting and effective device that ends slurry comprise the inlet pipe, stock line, expansion stop grouting plug, the one-way pressure valve that are linked in sequence in a kind of hole of enforcement said method; Described stock line all is connected by joint with one-way pressure valve with expansion stop grouting plug, described expansion stop grouting plug.
Slip casting and effective device that ends slurry in the described hole, described stock line connects at least two sections defeated steel pipes of starching by joint and forms, and joint two ends external screw thread screws two sections defeated slurry steel tube end part internal threads and is formed by connecting.
Slip casting and effective device that ends slurry in the described hole, described expansion stop grouting plug comprises spray of molten steel pipe and expanded rubber plug, sealing rubber cover, the expanded rubber plug is wrapped in outside the spray of molten steel pipe, has the slurry hole of overflowing on the spray of molten steel pipe, and spray of molten steel pipe overflow slurry is with sealing rubber cover outside the corresponding position, hole.
Slip casting and effective device that ends slurry are provided with one way valve, pressure fuse piece successively in the described hole in the described one-way pressure valve, and the back-moving spring of one way valve is arranged on the pressure fuse piece, and pressure fuse piece end is provided with slurry outlet.
Slip casting and effectively end the device of slurry in the described hole, described stock line and the inlet pipe that is arranged on stock line one end are formed this device and are implemented in hole the also dismounting parts of paste-making method only of slip casting.
Slip casting and effectively end the device of slurry in the described hole, described expansion stop grouting plug, one-way pressure valve and the joint that connects both are formed this device and are implemented in hole the also delay parts of paste-making method only of slip casting.
Owing to adopted technique scheme, the present invention to have following beneficial effect:
1,, can realize the slurry that ends to any section in the injected hole by increasing or reduce defeated slurry steel pipe length and quantity.
2, the minimum breakdown pressure of the pressure fuse piece of one-way pressure valve is 3Mpa, and the minimum bulbs of pressure of expanded rubber plug are that 1Mpa, maximum swelling pressurize are not less than 1h, and under maximum grouting pressure 5Mpa, each one does not reveal, and only starches effective.
3, because the expanded rubber plug adopts high-quality gauze wire cloth rubber to make, and sealing rubber cover adopts snappy rubber to make, it is big to make unidirectional expansion stop grouting plug have a pressurization back lateral expansion, the intensity height, and hardness is big.
4, by the setting of positive and negative screw thread, can dismantle defeated slurry steel pipe easily, reduced waste of material when having guaranteed only to starch effect.
Description of drawings
Fig. 1 is an assembly structure schematic diagram of the present invention;
Fig. 2 is a slip casting working state schematic representation of the present invention;
Fig. 3 is dismounting parts after slip casting of the present invention is finished, is detained the isolation of components view;
Among the figure: 1, inlet pipe, 2, the defeated slurry of I type steel pipe, 3, I type joint, 4, the defeated slurry of II type steel pipe, 5, II type joint, 6, anchor ear, 7, the slurry hole of overflowing, 8, sealing rubber cover, 9, the expanded rubber plug, 10, spray of molten steel pipe, 11, expansion stop grouting plug, 12, one way valve, 13, the pressure fuse piece, 14, one-way pressure valve, 15, slurry outlet.
The specific embodiment
In conjunction with the accompanying drawings the present invention is further explained; it should be noted that; disclose purpose of the present invention and be intended to protect the present invention to conceive interior all structural changes and improvement, have dismounting parts, delay parts two big functional parts when needing only only sizing device application, all within protection scope of the present invention.
As shown in Figure 1, grouting device of the present invention comprises inlet pipe 1, stock line, expansion stop grouting plug 11, the one-way pressure valve 14 that is linked in sequence; The outside plus thread screw thread of inlet pipe 1 one ends is combined on the plus thread screw thread of the defeated slurry of I type steel pipe 2 inner chambers one end; The defeated slurry of the I type steel pipe 2 inner chamber other ends connect the defeated slurry of II type steel pipe 4 inner chambers one end by I type joint 3, and two junctions are the plus thread silk and screw; The defeated slurry of the II type steel pipe 4 inner chamber other ends connect expansion stop grouting plug 11 by II type joint 5, and wherein II type joint 5 screws for the left-hand thread silk with the defeated slurry of II type steel pipe 4 links, and II type joint 5 screws for the plus thread silk with expansion stop grouting plug 11 links; Expansion stop grouting plug 11 is connected by I type joint 3 with one-way pressure valve 14, and two junctions are the plus thread silk and screw.
Expansion stop grouting plug 11 by the expanded rubber plug 9 that is wrapped in spray of molten steel pipe 10 outsides, and spray of molten steel pipe 10 open the sheathed sealing rubber cover 8 in slurry 7 places, hole of overflowing and form, expanded rubber plug 9 two ends are fastened on the spray of molten steel pipe 10 by clip; And expanded rubber plug 9 adopts high-quality gauze wire cloth rubber to make, and sealing rubber cover 8 adopts snappy rubber to make.Sealing rubber cover 8 is done the time spent and closely is attached on spray of molten steel pipe 10 outer wall slurry outlets 7 correspondence positions, stops slurry reflux, makes it can only unidirectional grout, has guaranteed the unidirectional expansion of expanded rubber plug 9.
Adopt rig to be drilled with injected hole to designing hole depth, withdraw from drilling rod, during beginning slip casting, as shown in Figure 2, the slurries that grouting pump transfers out are by inlet pipe 1, the defeated slurry of I type steel pipe 2, I type joint 3, the defeated slurry of II type steel pipe 4, II type joint 5 arrives expansion stop grouting plug 11, one-way pressure valve 14, when not reaching the opening pressure of one way valve 12, slurries are propped up sealing rubber cover 8 by the slurry hole 7 of overflowing and are entered expanded rubber plug 9, because sealing rubber cover 8 has stoped slurry reflux, under pressure, expanded rubber plug 9 expands, until swell diameter greater than the hole internal diameter, thereby hole wall is sealed, reached and only starch purpose.Because grouting pump continues to carry slurries, slurries pressure increases, reach sealing of hole pressure after, slurries are washed one way valve 12 open, surge fuse piece 13, pressure fuse piece 13 is opened, and slurries enter in the boring by slurry outlet 15, reach the slip casting requirement after, stop slip casting, make steel ball withstand the internal diameter of I type joint 3 behind the spring reset of one way valve 12, the steel ball place that slurries are back to one way valve 12 in the hole under ground pressure effect stops to flow, thereby realizes ending the purpose of slurry.Can reinforce purpose with water blockoff to country rock.
As shown in Figure 3, after slip casting is finished,, after stock line disassembled along II type defeated slurry steel pipe 4 and II type joint 5 anti-threaded joint places, take out stock line, promptly only starch the dismounting parts of engineering in this device enforcement hole along the 2 positive screw thread directions rotations of the defeated slurry of I type steel pipe; Expansion stop grouting plug 11 and one-way pressure valve 14 are stayed and are played the effect that ends slurry in the hole, and promptly this device delay parts of implementing only to starch in hole engineering have guaranteed only to starch effect when time slip casting.
The dismounting parts that take off connect other expansion stop grouting plug 11 and one-way pressure valve 14 can carry out the slip casting operation in next section or next hole, and promptly dismantling parts can reuse.
Claims (9)
1. the slip casting and the method for effectively ending slurry in the hole are divided into slip casting, only starch two big effect processes, it is characterized in that: the slip casting and the method for effectively only starching may further comprise the steps in described the hole in:
A), adopt rig to be drilled with injected hole to designing hole depth, withdraw from drilling rod;
B), the slurries that transfer out of grouting pump by inlet pipe (1), successively flow through stock line, expansion stop grouting plug (11), arrive one-way pressure valve (14);
When c), slurry pressure does not reach the opening pressure of one way valve (12) of one-way pressure valve (14), slurries are propped up sealing rubber cover (8) by expansion stop grouting plug (11) overflow slurry hole (7) and are entered expanded rubber plug (9), expanded rubber plug (9) expands, until swell diameter greater than the hole internal diameter, thereby hole wall is sealed;
D), when slurries pressure is increased to greater than the opening pressure of one way valve (12), slurries are washed one way valve (12) open, surge fuse piece (13) is opened, slurries enter in the boring by slurry outlet (1 5), carry out slip casting;
E), slip casting finishes one way valve (12) resilience sealing prevention slurry reflux; The rotation stock line, dismounting is taken out; Expansion stop grouting plug (11), one-way pressure valve (14) are detained to end in the hole to be starched.
2. implement slip casting and effective device that ends paste-making method in the hole for one kind, it is characterized in that: comprise the inlet pipe (1), stock line, expansion stop grouting plug (11), the one-way pressure valve (14) that are linked in sequence; Described stock line all is connected by joint with one-way pressure valve (14) with expansion stop grouting plug (11), described expansion stop grouting plug (11).
3. slip casting and effective device that ends slurry in the hole according to claim 2 is characterized in that: described stock line connects at least two sections defeated steel pipes of starching by joint and forms, and joint two ends external screw thread screws two sections defeated slurry steel tube end part internal threads and is formed by connecting.
4. slip casting and effective device that ends slurry in the hole according to claim 2, it is characterized in that: described expansion stop grouting plug (11) comprises spray of molten steel pipe (10) and expanded rubber plug (9), sealing rubber cover (8), expanded rubber plug (9) is wrapped in outside the spray of molten steel pipe (10), have the slurry hole (7) of overflowing on the spray of molten steel pipe (10), spray of molten steel pipe (10) overflow slurry is with sealing rubber cover (8) outside the corresponding position, hole (7).
5. slip casting and effective device that ends slurry in the hole according to claim 2, it is characterized in that: be provided with one way valve (12), pressure fuse piece (13) in the described one-way pressure valve (14) successively, the back-moving spring of one way valve (12) is arranged on the pressure fuse piece (13), and pressure fuse piece (13) end is provided with slurry outlet (15).
6. slip casting and effectively end the device of slurry in the hole according to claim 2 is characterized in that: described stock line and the inlet pipe (1) that is arranged on stock line one end are formed this device and are implemented in hole the also dismounting parts of paste-making method only of slip casting.
7. slip casting and effectively end the device of slurry in the hole according to claim 2 is characterized in that: described expansion stop grouting plug (11), one-way pressure valve (14) and the joint that connects both are formed this device and are implemented in hole the also delay parts of paste-making method only of slip casting.
8. slip casting and effective device that ends slurry in the hole according to claim 2 is characterized in that: described expanded rubber plug (9) adopts high-quality gauze wire cloth rubber to make.
9. slip casting and effective device that ends slurry in the hole according to claim 2, it is characterized in that: described sealing rubber cover (8) adopts snappy rubber to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910227702 CN101768974B (en) | 2009-12-29 | 2009-12-29 | Method and device for grouting in hole and effectively stopping grout |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910227702 CN101768974B (en) | 2009-12-29 | 2009-12-29 | Method and device for grouting in hole and effectively stopping grout |
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| Publication Number | Publication Date |
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| CN101768974A true CN101768974A (en) | 2010-07-07 |
| CN101768974B CN101768974B (en) | 2012-07-04 |
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| CN 200910227702 Active CN101768974B (en) | 2009-12-29 | 2009-12-29 | Method and device for grouting in hole and effectively stopping grout |
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Cited By (26)
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| CN101985886A (en) * | 2010-10-21 | 2011-03-16 | 西安达盛隔震技术有限公司 | Slurry blocking device |
| CN102337861A (en) * | 2011-10-27 | 2012-02-01 | 安徽省地质矿产勘查局313地质队 | Drilling hole wall molding forming device |
| CN102337859A (en) * | 2011-09-20 | 2012-02-01 | 山西潞安环保能源开发股份有限公司 | Coal field drill hole leak blocking system |
| CN102644469A (en) * | 2012-05-10 | 2012-08-22 | 中国矿业大学 | Ultra-deep hole pre-grouting pipe for crack-developed surrounding rock and grouting method |
| CN102660954A (en) * | 2012-05-23 | 2012-09-12 | 中天建设集团有限公司 | Pile bottom grouting device |
| CN102720461A (en) * | 2012-06-11 | 2012-10-10 | 中铁隧道集团有限公司 | Grout stopping method and grout stopping device for hydraulic drill jumbo |
| CN102787602A (en) * | 2012-08-31 | 2012-11-21 | 中国水利水电第七工程局成都水电建设工程有限公司 | Curtain grouting technique |
| CN102852535A (en) * | 2010-12-14 | 2013-01-02 | 山东大学 | Underground two-fluid grouting device |
| CN103228968A (en) * | 2010-11-22 | 2013-07-31 | 伊莱斯杰特尼卡公司 | A non-return valve for a tubular consolidation element |
| CN103696424A (en) * | 2012-09-28 | 2014-04-02 | 葛洲坝集团基础工程有限公司 | Device for reducing in-hole volume and in-pipe volume occupied by chemical grout |
| CN104018808A (en) * | 2014-05-24 | 2014-09-03 | 安徽淮河化工股份有限公司 | Single-way valve device for coal mine gas pumping-discharging hole slurry grouting pocket hole sealing machine |
| CN105220693A (en) * | 2015-09-22 | 2016-01-06 | 同济大学 | A kind of pressure-controlled stop grouting plug of skirt bag for sleeve valve barrel grouting |
| CN105909257A (en) * | 2016-05-31 | 2016-08-31 | 山东大学 | Separated grouting device in drilled hole and sectional grouting operation process |
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| CN106120829A (en) * | 2016-07-28 | 2016-11-16 | 北京振冲工程股份有限公司 | A kind of deep hole grout curtain overfall thickens construction method |
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| CN108180024A (en) * | 2018-03-07 | 2018-06-19 | 中铁二院昆明勘察设计研究院有限责任公司 | A kind of air bag grouting stop-valve tube assembly convenient for bored grouting construction |
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| CN111236236A (en) * | 2020-01-14 | 2020-06-05 | 中国一冶集团有限公司 | Construction method for directional grouting of solution space area |
| CN112267848A (en) * | 2020-10-23 | 2021-01-26 | 中国矿业大学 | Grouting method and device capable of automatically sealing holes and preventing grouting pump pipeline from being blocked |
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| GB640285A (en) * | 1946-02-01 | 1950-07-19 | Claude Cole Taylor | Improvements in or relating to a well tool |
| US3052302A (en) * | 1960-07-25 | 1962-09-04 | Shell Oil Co | Tool carrier with by-pass |
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| CN101985886A (en) * | 2010-10-21 | 2011-03-16 | 西安达盛隔震技术有限公司 | Slurry blocking device |
| US9777852B2 (en) | 2010-11-22 | 2017-10-03 | Elas Geotecnica S.R.L. | Non-return valve for a tubular consolidation element |
| CN103228968A (en) * | 2010-11-22 | 2013-07-31 | 伊莱斯杰特尼卡公司 | A non-return valve for a tubular consolidation element |
| CN102852535B (en) * | 2010-12-14 | 2015-04-08 | 山东大学 | Underground two-fluid grouting device |
| CN102852535A (en) * | 2010-12-14 | 2013-01-02 | 山东大学 | Underground two-fluid grouting device |
| CN102337859A (en) * | 2011-09-20 | 2012-02-01 | 山西潞安环保能源开发股份有限公司 | Coal field drill hole leak blocking system |
| CN102337861A (en) * | 2011-10-27 | 2012-02-01 | 安徽省地质矿产勘查局313地质队 | Drilling hole wall molding forming device |
| CN102644469B (en) * | 2012-05-10 | 2014-07-16 | 中国矿业大学 | Ultra-deep hole pre-grouting pipe for crack-developed surrounding rock and grouting method |
| CN102644469A (en) * | 2012-05-10 | 2012-08-22 | 中国矿业大学 | Ultra-deep hole pre-grouting pipe for crack-developed surrounding rock and grouting method |
| CN102660954A (en) * | 2012-05-23 | 2012-09-12 | 中天建设集团有限公司 | Pile bottom grouting device |
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| CN105220693B (en) * | 2015-09-22 | 2017-08-29 | 同济大学 | A kind of pressure-controlled stop grouting plug of skirt bag for sleeve valve barrel grouting |
| CN105909257A (en) * | 2016-05-31 | 2016-08-31 | 山东大学 | Separated grouting device in drilled hole and sectional grouting operation process |
| CN106120829A (en) * | 2016-07-28 | 2016-11-16 | 北京振冲工程股份有限公司 | A kind of deep hole grout curtain overfall thickens construction method |
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| CN108204213A (en) * | 2018-01-15 | 2018-06-26 | 赵耀耀 | A kind of inflatable drilling and sealing section residue cleaning plant and its application method |
| CN108150191A (en) * | 2018-01-16 | 2018-06-12 | 中铁二院工程集团有限责任公司 | A kind of tunnel bottom structure and its construction method |
| CN108180024A (en) * | 2018-03-07 | 2018-06-19 | 中铁二院昆明勘察设计研究院有限责任公司 | A kind of air bag grouting stop-valve tube assembly convenient for bored grouting construction |
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| CN112982420B (en) * | 2021-02-06 | 2022-07-26 | 滁州学院 | Geotechnical engineering fault fractured rock mass grouting equipment |
| CN112982420A (en) * | 2021-02-06 | 2021-06-18 | 滁州学院 | Geotechnical engineering fault fractured rock mass grouting equipment |
| CN112814708A (en) * | 2021-03-01 | 2021-05-18 | 浙江普泰克金属制品有限公司 | High-pressure grouting assembly for tunnel |
| CN113216149A (en) * | 2021-05-21 | 2021-08-06 | 浙江海聚科技有限公司 | Grouting process for advanced drilling |
| CN113431517A (en) * | 2021-06-23 | 2021-09-24 | 华能灵台邵寨煤业有限责任公司 | Quick plugging device suitable for multi-aperture cyclic multiplexing orifice |
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| CN101768974B (en) | 2012-07-04 |
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