CN106703010B - A kind of no sheath body bed of material sleeve valve barrel grouting rapid constructing method - Google Patents
A kind of no sheath body bed of material sleeve valve barrel grouting rapid constructing method Download PDFInfo
- Publication number
- CN106703010B CN106703010B CN201510769041.1A CN201510769041A CN106703010B CN 106703010 B CN106703010 B CN 106703010B CN 201510769041 A CN201510769041 A CN 201510769041A CN 106703010 B CN106703010 B CN 106703010B
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- China
- Prior art keywords
- inflation ring
- mini
- valve tube
- slip casting
- ring
- Prior art date
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- Expired - Fee Related
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- 239000000463 material Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000007569 slipcasting Methods 0.000 claims abstract description 48
- 239000002002 slurry Substances 0.000 claims abstract description 19
- 238000005553 drilling Methods 0.000 claims description 8
- 239000002689 soil Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000008207 working material Substances 0.000 claims description 3
- 239000011257 shell material Substances 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 230000032798 delamination Effects 0.000 abstract 1
- 239000004568 cement Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 125000002619 bicyclic group Chemical group 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009963 fulling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- 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
- 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
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
Landscapes
- 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)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a kind of no sheath body bed of material sleeve valve barrel grouting rapid constructing methods, and the sealing of sleeve shell material is replaced using upper and lower inflation ring layered seal, and upper and lower ring is separately connected gas-guide tube, controls inflated condition by ground；It is latter in insertion inlet well that inflation ring is inserted on mini-valve tube, in the deflated condition, it is close to note mini-valve tube outer surface on the inside of inflation ring, it is close to slip casting hole wall in outside, closed slip casting gap is formed between upper and lower ring, slurries enter this closing gap and penetrate into stratum by the slip casting hole wall between upper and lower inflation ring from mini-valve tube carries out slip casing by pressure, upper inflation ring can be lifted up change along grouting tube after losing heart it fixes position, to carry out layered seal, delamination pour slurry completes the slip casting operation in entire injected hole from bottom to up；Lift height of the present invention can be adjusted according to the actual situation, before slurries condense completely, mini-valve tube can be extracted, once purged reuse；Expire slurries extracting recharge in the hole that mini-valve tube leaves.
Description
Technical field
The invention belongs to geotechnical engineering slurry injection technique fields, are related to a kind of soft soil foundation grouting strengthening method, in particular to
A kind of no sheath body bed of material sleeve valve barrel grouting rapid constructing method.
Background technique
The process flow of conventional sleeve valve barrel grouting is: drilling → insertion mini-valve tube → perfusion sleeve shell material → sleeve shell material solidification 3 ~
5 days → grouting.Sleeve shell material by being inserted to bottom hole under drilling, is filled sleeve by the technology by mini-valve tube from bottom to top in the form of perfusion
Slip casting flower is inserted into after sleeve shell material solidifies 3 ~ 5 days and reaches some strength in gap between valve pipe and slip casting hole wall in mini-valve tube
Pipe carries out segmenting slip casting, spreads slurries to Rock And Soil.Since this method can be carried out depthkeeping, fixed
Amount determines section and repeats slip casting, has concentrated compaction grouting, has penetrated into the advantages of slip casting and fracture grouting, at present in soft soil foundation, tunnel
It is widely applied in the consolidation process engineering such as road, subway, roadbed and dyke seepage control.But there is also shortcomings in practical applications:
1. slip casting will just can be carried out after sleeve shell material solidifies and reaches some strength, construction period is considerably increased；2. the set of some strength
The cementing mini-valve tube of shell material, mini-valve tube are often difficult to extract, and cause mini-valve tube that cannot reuse, and consume a large amount of steel pipes；3. being layered
The thickness of slip casting be it is fixed, cannot according to the actual conditions on stratum adjust slip casting thickness；4. sleeve valve barrel grouting, slurries diffusion
Control is difficult, and continuous injecting cement paste cannot be formed by typically resulting in, and influence grouting quality.
Summary of the invention
It is double using inflation the purpose of the present invention is the deficiency for existing conventional slurry injection technique of sleeve valve tube in practical applications
Ring plays the sealing function that layered seal replaces the sheath body bed of material, to cancel the sheath body bed of material for being wrapped in mini-valve tube appearance, mentions
For a kind of no sheath body bed of material sleeve valve barrel grouting rapid constructing method.
Technical solution of the present invention is specific as follows:
A kind of no sheath body bed of material sleeve valve barrel grouting rapid constructing method, comprising steps of
1) mud off vertical drilling is carried out in foundation soil using geological drilling rig, obtains injected hole；
2) upper inflation ring and lower inflation ring are from top to bottom covered on mini-valve tube outer surface, upper inflation ring and lower inflation ring point
It Lian Jie not a gas-guide tube；
3) upper inflation ring and lower inflation ring position are adjusted, lower inflation ring is adjusted to from mini-valve tube bottom end 0.5m ~ 1.0m's
Position, the distance between upper inflation ring and lower inflation ring are first layer stratum slip casting thickness；
4) mini-valve tube of bottom end closure is inserted into the brill injected hole together with upper inflation ring and lower inflation ring, until
Mini-valve tube bottom end reaches injected hole bottom；
5) upper inflation ring and lower inflation ring are inflated respectively by gas-guide tube on ground, make inflation ring and lower inflation
Be close to mini-valve tube outer surface on the inside of ring, slip casting hole wall is close in outside, thus mini-valve tube outer surface and slip casting hole wall and on fill
Closed slip casting gap is formed between compression ring and lower inflation ring；
6) it is inserted into the grouting tube for taking lower stop grouting plug in mini-valve tube, adjusts distance between stop grouting plug up and down, passes through note
It starches pipe and carries out the slip casting of first layer stratum；
7) after completing the slip casting of first layer stratum, the gas in inflation ring is drained, and be lifted up and fill along mini-valve tube
The position of compression ring, range of lift are second layer stratum slip casting thickness；
8) upper inflation ring is inflated, it is corresponding to promote mini-valve tube and upper and lower stop grouting plug, then carry out second layer stratum note
Slurry；
9) step 7) ~ 8 are repeated), until completing the slip casting operation of entire injected hole；
10) before injection slurry condenses completely, mini-valve tube is extracted, once purged reuse；
11) recharge slurries in the hole that mini-valve tube leaves are being extracted, until filling.
Further, in step 5), the blowing pressure of the upper inflation ring and lower inflation ring is 2 ~ 20 atmospheric pressure.
Further, the upper inflation ring and lower inflation ring are made of rubber or earth working material.
Compared with prior art, the present invention not only has all advantages of conventional sleeve valve barrel grouting, and overcomes conventional sleeve
The main deficiency of valve pipe slip casting, the beneficial effect is that:
(1) using the bicyclic sealing function for playing layered seal and replacing the sheath body bed of material is inflated, cancel the sheath body bed of material, reduce
Material consumption, and save because the sheath body bed of material solidification reach some strength needed for the time, substantially increase speed of application；
(2) mini-valve tube can extract reuse, avoid consumption tube material；
(3) due to eliminating the sheath body bed of material, slurries can uniformly fill the gap between mini-valve tube and slip casting hole wall, uniformly to
Diffusion in Rock And Soil avoids injecting cement paste non-continuous event caused by being difficult to control because of slip casting diffusion, hence it is evident that improve slip casting effect；
(4) by adjusting the distance between upper and lower inflation ring, the lift height of slip casting can be adjusted according to stratum actual conditions；
(5) reusable due to cancelling the sheath body bed of material and sleeve valve steel pipe, significantly reduce construction cost.
Detailed description of the invention
Fig. 1 is mini-valve tube, inflation ring, the grouting tube structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the slip casting rapid constructing method schematic diagram of the embodiment of the present invention.
As shown in the figure are as follows: 1- mini-valve tube, grouting tube of the 2- with upper and lower stop grouting plug, the upper inflation ring of 3-, inflation ring under 4-, 5-
Grouting Pipe, the upper ring inflating catheter of 6-, ring inflating catheter under 7-, 8- first layer slip casting region.
Specific embodiment
In order in detail and clearly show the present invention purpose and technical solution implemented, below in conjunction with attached drawing and example to this
Invention will be explained in further detail.The example is only used to illustrate the present invention, is not whole examples of the invention, is not intended to limit
The scope of protection of the invention.
As shown in Fig. 2, a kind of no sheath body bed of material sleeve valve barrel grouting rapid constructing method, comprising steps of
1) mud off vertical drilling is carried out in foundation soil using geological drilling rig, obtains injected hole；
2) upper inflation ring 3 and lower inflation ring 4 are from top to bottom covered on 1 outer surface of mini-valve tube, the upper inflation ring 3 is under
Inflation ring 4 is made of rubber or earth working material, and upper inflation ring 3 connects upper ring inflating catheter 6, and lower inflation ring 4 connects lower ring inflation
Conduit 7 (see Fig. 1)；
3) upper inflation ring 3 and lower 4 position of inflation ring are adjusted, by lower inflation ring 4 adjust to from 1 bottom end 0.5m of mini-valve tube ~
The position of 1.0m, the distance between upper inflation ring 3 and lower inflation ring 4 are first layer stratum slip casting thickness；
4) mini-valve tube of bottom end closure 1 is inserted into the brill injected hole together with upper inflation ring 3 and lower inflation ring 4,
Until 1 bottom end of mini-valve tube reaches injected hole bottom；
5) upper inflation ring 3 and lower inflation ring 4 are inflated respectively by gas-guide tube on ground, the blowing pressure is 2 ~ 20
Atmospheric pressure makes to be close to 1 outer surface of mini-valve tube on the inside of inflation ring 3 and lower inflation ring 4, and slip casting hole wall is close in outside, thus tucking inside the sleeve
Closed slip casting gap is formed between 1 outer surface of valve pipe and slip casting hole wall and upper inflation ring 3 and lower inflation ring 4；
6) it is inserted into the grouting tube 2 for taking lower stop grouting plug in mini-valve tube 1, adjusts distance between stop grouting plug up and down, passes through
Grouting Pipe 5 carries out the slip casting of first layer stratum, forms first layer slip casting region 8；
7) after completing the slip casting of first layer stratum, the gas in inflation ring 3 is drained, and be lifted up along mini-valve tube 1
The position of inflation ring 3, range of lift are second layer stratum slip casting thickness；
8) upper inflation ring 3 is inflated, it is corresponding to promote mini-valve tube and upper and lower stop grouting plug, then carry out second layer stratum
Slip casting；
9) step 7) ~ 8 are repeated), until completing the slip casting operation of entire injected hole；
10) before injection slurry condenses completely, mini-valve tube 1 is extracted, once purged reuse；
11) recharge slurries in the hole that mini-valve tube 1 leaves are being extracted, until filling.
The present embodiment is using the bicyclic sealing function for playing layered seal and replacing the sheath body bed of material is inflated, both by adjusting upper
The distance between lower inflation ring can adjust the lift height of slip casting according to stratum actual conditions, and because cancelling the sheath body bed of material, reduce
Material consumption, and save because the sheath body bed of material solidification reach some strength needed for the time, substantially increase speed of application, meanwhile,
Mini-valve tube can extract reuse, avoid consumption tube material, significantly reduce construction cost.Additionally, due to eliminating sleeve shell material
Layer, slurries can uniformly fill the gap between mini-valve tube and slip casting hole wall, uniformly spread into Rock And Soil, avoid spreading because of slip casting
Injecting cement paste non-continuous event caused by not easy to control, hence it is evident that improve slip casting effect, there is extraordinary application prospect and market
Prospect.
The above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be to the present invention
Embodiment restriction.For those of ordinary skill in the art, it can also make on the basis of the above description
Other various forms of variations or variation.There is no necessity and possibility to exhaust all the enbodiments.It is all of the invention
Made any modifications, equivalent replacements, and improvements etc., should be included in the protection of the claims in the present invention within spirit and principle
Within the scope of.
Claims (3)
1. a kind of no sheath body bed of material sleeve valve barrel grouting rapid constructing method, which is characterized in that comprising steps of
1) mud off vertical drilling is carried out in foundation soil using geological drilling rig, obtains injected hole；
2) upper inflation ring (3) and lower inflation ring (4) are from top to bottom covered on mini-valve tube (1) outer surface, upper inflation ring (3) and under
Inflation ring (4) is separately connected a gas-guide tube；
3) upper inflation ring (3) and lower inflation ring (4) position is adjusted, lower inflation ring (4) is adjusted to from mini-valve tube (1) bottom end 0.5m
The position of ~ 1.0m, the distance between upper inflation ring (3) and lower inflation ring (4) are first layer stratum slip casting thickness；
4) mini-valve tube of bottom end closure (1) is inserted into the injected hole together with upper inflation ring (3) and lower inflation ring (4),
Until mini-valve tube (1) bottom end reaches injected hole bottom；
5) upper inflation ring (3) and lower inflation ring (4) are inflated respectively on ground by gas-guide tube, make inflation ring (3) and
It is close to mini-valve tube (1) outer surface on the inside of lower inflation ring (4), slip casting hole wall is close in outside, thus in mini-valve tube (1) outer surface and note
Closed slip casting gap is formed between slurry hole wall and upper inflation ring (3) and lower inflation ring (4)；
6) it is inserted into the grouting tube (2) for taking lower stop grouting plug in mini-valve tube (1), adjusts distance between stop grouting plug up and down, passes through
Grouting Pipe (5) carries out the slip casting of first layer stratum；
7) after completing the slip casting of first layer stratum, the gas in inflation ring (3) is drained, and be lifted up along mini-valve tube (1)
The position of inflation ring (3), range of lift are second layer stratum slip casting thickness；
8) upper inflation ring (3) is inflated, it is corresponding to promote mini-valve tube and upper and lower stop grouting plug, then carry out second layer stratum note
Slurry；
9) step 7) ~ 8 are repeated), until completing the slip casting operation of entire injected hole；
10) before injection slurry condenses completely, mini-valve tube (1) is extracted, once purged reuse；
11) recharge slurries in the hole that mini-valve tube (1) leaves are being extracted, until filling.
2. no sheath body bed of material sleeve valve barrel grouting rapid constructing method according to claim 1, it is characterised in that: step 5)
In, the blowing pressure of the upper inflation ring (3) and lower inflation ring (4) is 2 ~ 20 atmospheric pressure.
3. no sheath body bed of material sleeve valve barrel grouting rapid constructing method according to claim 1, it is characterised in that: filled on described
Compression ring (3) and lower inflation ring (4) are made of rubber or earth working material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510769041.1A CN106703010B (en) | 2015-11-12 | 2015-11-12 | A kind of no sheath body bed of material sleeve valve barrel grouting rapid constructing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510769041.1A CN106703010B (en) | 2015-11-12 | 2015-11-12 | A kind of no sheath body bed of material sleeve valve barrel grouting rapid constructing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106703010A CN106703010A (en) | 2017-05-24 |
| CN106703010B true CN106703010B (en) | 2019-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510769041.1A Expired - Fee Related CN106703010B (en) | 2015-11-12 | 2015-11-12 | A kind of no sheath body bed of material sleeve valve barrel grouting rapid constructing method |
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| Country | Link |
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| CN (1) | CN106703010B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677959B (en) * | 2018-05-29 | 2020-09-29 | 河北建设勘察研究院有限公司 | Grouting perforated pipe suitable for grouting construction under space-limited condition and grouting construction method |
| CN111074899A (en) * | 2019-11-11 | 2020-04-28 | 中铁七局集团第二工程有限公司 | Grouting method for karst caves with different filling types |
| CN111424669A (en) * | 2020-03-27 | 2020-07-17 | 上海长凯岩土工程有限公司 | Pile end grouting process and device of quick and recyclable grouting device |
| CN111794206B (en) * | 2020-07-20 | 2021-09-24 | 兰州理工大学 | Earthen site anchoring and grouting system and anchoring and grouting method thereof |
| CN113250200B (en) * | 2021-05-20 | 2022-09-27 | 中电建路桥集团有限公司 | Novel environmental protection fibre cement layering slip casting device |
| CN116892210B (en) * | 2023-09-08 | 2023-12-01 | 沈阳北方建设股份有限公司 | Sleeve valve pipe grouting device and grouting method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102444118A (en) * | 2010-10-15 | 2012-05-09 | 中铁五局（集团）有限公司 | Construction method for grouting reinforcement of sleeve valve pipe |
| KR101210956B1 (en) * | 2011-03-28 | 2012-12-11 | 윤상준 | Apparatus for injecting grout using a carbon fiber reinforcement pipe and method thereof |
| CN104060965A (en) * | 2014-06-23 | 2014-09-24 | 贾希成 | Adjustable annular double-layer air bag hole sealing device and method for performing hole sealing |
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