CN105178286B - The vacuum grouting technique of fragmentation batholith - Google Patents
The vacuum grouting technique of fragmentation batholith Download PDFInfo
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- CN105178286B CN105178286B CN201510313858.8A CN201510313858A CN105178286B CN 105178286 B CN105178286 B CN 105178286B CN 201510313858 A CN201510313858 A CN 201510313858A CN 105178286 B CN105178286 B CN 105178286B
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- hole
- grouting
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- vacuum
- batholith
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Abstract
The invention discloses a kind of vacuum grouting technique of fragmentation batholith, rinse and packer permeability test, vacuumize and high-pressure grouting these three steps comprising drilling, borehole fissure.The invention overcomes weak point present in prior art, there is provided a kind of vacuum grouting technique for fragmentation batholith, so that in the processing procedure to basement rock, it ensure that under the negative pressure collective effect in grouting pressure and batholith crack, slurries can be quickly and uniformly diffused among basement rock along space, the efficiency of grouting can be not only improved, the quality of batholith after grouting is also improved.
Description
Technical field
The present invention relates to a kind of batholith reinforcement process, and in particular to a kind of vacuum grouting technique of fragmentation batholith.
Background technology
At present, due to being influenceed by geological structure change and hydrogeology often there is multi-form and journey in subsoil
The defect of degree, it is necessary to by artificial treatment could as hydraulic structure reliable ground, the method master applied to batholith processing
It is exactly batholith grouting, and vacuum grouting is a new technology in batholith processing engineering.Vacuum grouting technique and traditional rock
Base grouting process is compared, and vacuum grouting technique will first drill around the drilling and vacuumize, make brill before being in the milk to drilling
Hole surrounding rock body forms a series of vacuum crack passage, and slurries are then poured into again, and slurries enter after rock mass, can split along vacuum
Gap passage is distributed in rock cranny, and this has been considerably improved the quality and the efficiency of grouting of the batholith after processing.
The content of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention provides a kind of vacuum of fragmentation batholith and filled
Sizing process.
Technical scheme：In order to solve the above technical problems, the vacuum grouting technique for the fragmentation batholith that the present invention is provided, is to broken
Split batholith and carry out following process step：
Step 1, drill；
Step 2, borehole fissure is rinsed and packer permeability test；
Step 3, vacuumize and high-pressure grouting.
Preferably, in the step 1, suitable rig and drill bit, the quality of drilling are used according to actual requirement of engineering
Require to include：1. ensure that hole depth, Kong Xiang, hole position meet design requirement；2. homogeneous, hole wall smooth-going above and below aperture is made every effort to；3. reduce
The rock dust fines produced in drilling process.
Preferably, in the step 2, it is that will remain in drilling bottom and the viscous rock dust iron in hole wall that borehole fissure, which is rinsed,
Charges in bits and rock crack etc. are developed, and are vacateed the space of slurries entrance, slurries calculus is cemented to basement rock
It is overall；The packer permeability test is used for the Penetration Signature for determining bottom, and basic fundamental data is provided for the grouting construction of basement rock.
Preferably, in the step 3, before being in the milk to the 1st sequence hole, first the 2nd sequence hole is vacuumized with evacuator,
Make basement rock formation vacuum state；Before being in the milk to the 2nd sequence hole, first the 3rd sequence hole is vacuumized with evacuator, the 2nd sequence has been filled
The 3rd sequence hole is finally filled again behind hole；If carrying out vacuum grouting to single drilling, being vacuumized in the 2nd sequence hole makes basement rock form certain journey
After the vacuum state of degree, you can press the grouting pump in grouting system to pour into slurries to the 1st sequence hole basement rock by having；In the 3rd sequence
After hole is vacuumized, you can pour into slurries to the 2nd sequence hole basement rock；When carrying out vacuum grouting to double and many row hole drillings, first under
Trip discharges into row vacuum grouting, then upstream row is carried out to vacuumize grouting order and single drilling in vacuum grouting, each row
It is sequentially identical.
Preferably, when carrying out the operation of step 3 to petrosal foramen, while carrying out the processing of step 2 to maintain in basement rock
The vacuum state formed.
Preferably, before being in the milk to the 1st sequence hole, the processing of step 2 is first carried out to the 2nd sequence hole；2nd sequence hole is in the milk
The processing of step 2 is first carried out to the 3rd sequence hole before；By that analogy, until the last hole of remaining sequence, then direct to sorting most
Hole afterwards carries out the processing of step 3.
In use, concrete operation step is as follows：
（1）Drilling, drilling（Crack）Rinse and packer permeability test.First, suitable rig is used according to actual requirement of engineering
With drill bit, the quality requirement of drilling includes：1. ensure that hole depth, Kong Xiang, hole position meet design requirement；2. aperture is made every effort to equal up and down
First, hole wall is smoothed out；3. the rock dust fines produced in drilling process is less, Specific construction technique and parameter reference related specifications.Its
It is secondary, drilling（Crack）Flushing is will to remain in drilling bottom and the viscous charges in the rock dust iron filings and rock crack of hole wall
Etc. developing, so that slurries enter the space vacateed, make slurries calculus cementing integral with basement rock, Specific construction technique and
Parameter reference related specifications.Finally, the main purpose of packer permeability test is the Penetration Signature for determining bottom, is the grouting construction of basement rock
Basic fundamental data, Specific construction technique and parameter reference related specifications are provided.
（2）Vacuumize.If carrying out vacuum grouting to single drilling, evacuator need to be first used before being in the milk to the 1st sequence hole
2nd sequence hole is vacuumized, basement rock is formed a certain degree of vacuum state, it is first true with taking out similarly before being in the milk to the 2nd sequence hole
Empty machine is vacuumized to the 3rd sequence hole, has been filled and has finally been filled the 3rd sequence hole again behind the 2nd sequence hole.
（3）High-pressure grouting.If carrying out vacuum grouting to single drilling, being vacuumized in the 2nd sequence hole makes basement rock form certain journey
After the vacuum state of degree, you can press the grouting pump in grouting system to pour into slurries to the 1st sequence hole basement rock by having.Similarly
After 3 sequence holes are vacuumized, you can pour into slurries to the 2nd sequence hole basement rock.It is first right when carrying out vacuum grouting to double and many row hole drillings
Downstream row carries out vacuum grouting, then upstream row is carried out to vacuumize grouting order and single drilling in vacuum grouting, each row
It is similar.Therefore it in the processing procedure of basement rock, ensure that under the negative pressure collective effect in grouting pressure and batholith crack, starch
The enough quality and the effect of grouting for being quickly and uniformly diffused into along space among basement rock, improving the batholith after processing of liquid energy
Rate.
Beneficial effect：Compared with prior art, invention introduces vacuum grouting technique, conventional grout technique effect is overcome
The shortcomings of rate is low, grouting quality is not high.It is the inventive method efficiency high, more advanced, it can be greatly improved by this method after processing
Batholith quality and the efficiency of grouting.
Except the technical problem of invention described above solution, the technical characteristic of composition technical scheme and by these skills
Outside the advantage that the technical characteristic of art scheme is brought, other skills that the vacuum grouting technique of fragmentation batholith of the invention can be solved
The advantage that the other technical characteristics and these technical characteristics included in art problem, technical scheme are brought, will make with reference to accompanying drawing
Further details of explanation.
Brief description of the drawings
Fig. 1 is the process sequence diagram of the embodiment of the present invention；
Fig. 2 is the drilling order schematic diagram of single drilling；
Fig. 3 is the drilling order schematic diagram of double drilling；
Fig. 4 is that the slurries when present invention carries out batholith processing flow to schematic diagram；
In figure：1. the 1st sequence hole, 2. the 2nd sequence holes, 3. the 3rd sequence holes, 4. first row hole drillings, 5. second row hole drillings, 6. grouting
Pipe, 7. packers, 8. vacuum-pumping tubes, 9. vacuumize plug, 10. grout holes, and 11. vacuumize hole.
Embodiment
Embodiment：
The processing step of the present embodiment as shown in figure 1, including drilling, borehole fissure is rinsed and packer permeability test, vacuumize with
And the step such as high-pressure grouting.
In Fig. 2, vacuum grouting is carried out to single drilling, before being in the milk to the 1st sequence hole 1, first with evacuator to the 2nd sequence
Hole 2 is vacuumized, and basement rock is formed after a certain degree of vacuum state, in reasonable time by there is the grouting in pressure grouting system
Pump pours into slurries to basement rock.Therefore in the processing procedure of basement rock, it ensure that the negative pressure in grouting pressure and batholith crack is total to
Under same-action, slurries can be quickly and uniformly diffused among basement rock along space, improve processing after batholith quality with
And the efficiency of grouting.Similarly before being in the milk to the 2nd sequence hole, first the 3rd sequence hole 3 is vacuumized with evacuator.The 2nd sequence hole is filled
The 3rd sequence hole 3 is finally filled again after 2.
In figure 3, when carrying out vacuum grouting to double and many row hole drillings, first the second row hole drilling 5 of downstream row is carried out very
Sky is in the milk, then carries out vacuumizing and grouting order and single brill in vacuum grouting, each row to the first row hole drilling 4 of upstream row
The order of operation in hole is similar.
In Fig. 4, after the work such as drilling, borehole fissure flushing and packer permeability test are completed, first the hole of hole 11 is being vacuumized
Interior utilization evacuator makes the hole form certain vacuum state by vacuum-pumping tube 8, wherein it is to vacuumize tube head to vacuumize plug 9
Then portion carries out high-pressure grouting to keep vacuum in grout hole 10.Due to having formed certain degree near grout hole
Vacuum, when slurries pour into grout hole 10, because the effect of negative pressure and the effect of grouting pressure make slurries rapid
Full of in the crack near grout hole 10.Arrow in Fig. 4 indicates flow direction of the slurries after grout hole 10 is poured into.
Embodiments of the present invention are described in detail above in association with accompanying drawing, but the present invention is not limited to described reality
Apply mode.For one of ordinary skill in the art, in the range of the principle and technological thought of the present invention, to these implementations
Mode carries out a variety of changes, modification, replacement and deformation and still fallen within protection scope of the present invention.
Claims (3)
1. a kind of vacuum grouting technique of fragmentation batholith, following process step is carried out to fragmentation batholith：
Step 1, drill；
Step 2, borehole fissure is rinsed and packer permeability test；
Step 3, vacuumize and high-pressure grouting；
It is characterized in that：Before being in the milk to the 1st sequence hole, first the 2nd sequence hole is vacuumized with evacuator, makes basement rock formation vacuum
State；Before being in the milk to the 2nd sequence hole, first the 3rd sequence hole is vacuumized with evacuator, has filled and has finally filled the 3rd again behind the 2nd sequence hole
Sequence hole；If to it is single drilling carry out vacuum grouting, vacuumized in the 2nd sequence hole make basement rock formed a certain degree of vacuum state it
Afterwards, you can press the grouting pump in grouting system to pour into slurries to the 1st sequence hole basement rock by having；After being vacuumized in the 3rd sequence hole, i.e.,
Slurries can be poured into the 2nd sequence hole basement rock；When carrying out vacuum grouting to double and many row hole drillings, vacuum filling first is carried out to downstream row
Slurry, then vacuum grouting is carried out to upstream row, in each row to vacuumize grouting order identical with the order of single drilling；To rock
When hole carries out the operation of step 3, while carrying out the processing of step 2 to maintain the vacuum state formed in basement rock；
Before being in the milk to the 1st sequence hole, the processing of step 2 is first carried out to the 2nd sequence hole；First to the 3rd sequence before being in the milk to the 2nd sequence hole
Hole carries out the processing of step 2；By that analogy, until the last hole of remaining sequence, is then directly walked to last hole of sorting
Rapid 3 processing.
2. the vacuum grouting technique of fragmentation batholith according to claim 1, it is characterised in that：In the step 1, according to reality
Border requirement of engineering uses suitable rig and drill bit, and the quality requirement of drilling includes：Ensure that hole depth, Kong Xiang, hole position meet to set
Meter is required；Make every effort to homogeneous, hole wall smooth-going above and below aperture；Reduce the rock dust fines produced in drilling process.
3. the vacuum grouting technique of fragmentation batholith according to claim 1, it is characterised in that：In the step 2, drilling is split
Gap rinse be will remain in drilling bottom and the viscous charges in the rock dust iron filings and rock crack of hole wall develop, rise
Go out the space of slurries entrance, make slurries calculus cementing integral with basement rock；The infiltration that the packer permeability test is used to determine bottom is special
Property, provide basic fundamental data for the grouting construction of basement rock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510313858.8A CN105178286B (en) | 2015-06-09 | 2015-06-09 | The vacuum grouting technique of fragmentation batholith |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510313858.8A CN105178286B (en) | 2015-06-09 | 2015-06-09 | The vacuum grouting technique of fragmentation batholith |
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| Publication Number | Publication Date |
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| CN105178286A CN105178286A (en) | 2015-12-23 |
| CN105178286B true CN105178286B (en) | 2017-11-03 |
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| CN201510313858.8A Expired - Fee Related CN105178286B (en) | 2015-06-09 | 2015-06-09 | The vacuum grouting technique of fragmentation batholith |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667261A (en) * | 2019-01-28 | 2019-04-23 | 三峡大学 | Foundation-reinforcing device and method |
| CN111851549B (en) * | 2020-07-20 | 2021-09-03 | 河南城建学院 | Construction method of sandy soil geological impervious wall |
| CN111997077A (en) * | 2020-07-22 | 2020-11-27 | 中电建十一局工程有限公司 | Grouting anti-seepage treatment method for completely weathered granite stratum |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110053889A (en) * | 2010-03-15 | 2011-05-24 | 한국건설기술연구원 | Ground grouting method by control of grout flow direction by using vacuum drainage |
| CN104032728A (en) * | 2014-06-16 | 2014-09-10 | 浙江工业大学 | Vacuum grouting process |
-
2015
- 2015-06-09 CN CN201510313858.8A patent/CN105178286B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110053889A (en) * | 2010-03-15 | 2011-05-24 | 한국건설기술연구원 | Ground grouting method by control of grout flow direction by using vacuum drainage |
| CN104032728A (en) * | 2014-06-16 | 2014-09-10 | 浙江工业大学 | Vacuum grouting process |
Non-Patent Citations (1)
| Title |
|---|
| "公路工程真空灌浆技术的应用";申宪萍;《城市建设理论研究（电子版）》;20140131(第35期);第1页第1节至3页第4节 * |
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