CN110284908A - A kind of circumferential grouting for water plugging method in shield received well - Google Patents
A kind of circumferential grouting for water plugging method in shield received well Download PDFInfo
- Publication number
- CN110284908A CN110284908A CN201910681289.0A CN201910681289A CN110284908A CN 110284908 A CN110284908 A CN 110284908A CN 201910681289 A CN201910681289 A CN 201910681289A CN 110284908 A CN110284908 A CN 110284908A
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- shield
- portal
- water
- grouting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 55
- 239000010959 steel Substances 0.000 claims abstract description 55
- 238000007569 slipcasting Methods 0.000 claims abstract description 25
- 238000010276 construction Methods 0.000 claims abstract description 11
- 229920000742 Cotton Polymers 0.000 claims abstract description 8
- 238000004321 preservation Methods 0.000 claims abstract description 8
- 230000000903 blocking effect Effects 0.000 claims abstract description 6
- 239000002002 slurry Substances 0.000 claims description 15
- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000011144 upstream manufacturing Methods 0.000 abstract description 2
- 241000219146 Gossypium Species 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 244000144985 peep Species 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 210000004911 serous fluid Anatomy 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 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
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
- Revetment (AREA)
Abstract
The present invention relates to shields to receive construction field, specifically related to a kind of grouting for water plugging method circumferential in shield received well, along portal, circumferential direction is inserted into steel pipe in the gap of shield body and portal cord, remaining gap is stoppered by cotton-wadded quilt or heat-preservation cotton, so that outflux of the steel pipe as internal artesian water, and make internal artesian water gradually to upstream by circumferential slip casting from bottom to up, weep hole is constantly converted with water blockoff hole and is moved up, water pressure is gradually reduced, finally successfully block, it is short compared to traditional method for blocking time, effect is good, high-efficient, risk is small.
Description
Technical field
The present invention relates to shields to receive construction field, and in particular to circumferential grouting for water plugging side in a kind of shield received well
Method.
Background technique
China's constructing metro tunnel has begun to use shield method.As technological progress, understanding improve, urban underground space is opened
The quickening of paces is sent out, in particular with the advantage that the construction technology is shown, shield method is more and more by domestic subway circle institute
Receive.The reception of shield is through the emphasis in entire shield-tunneling construction, and is easier to the key link for risk occur.Especially
If being that received well portal water burst is very harmful, portal and tunnel cave can be caused when serious.When portal water yield is larger, water
Channel is formed in inside, and larger due to receiving well head buried depth, hydraulic pressure is high in stratum, mostly uses at this stage secondary along section of jurisdiction in hole
The method leak stopping of injected hole circumferential direction slip casting, this method can not carry out white-out to the water in stratum, after water shutoff material injection quickly
It is flowed out with water, causes waste of material, and slip casting position is located at tunnel internal, farther out away from portal water burst position, blocking time is long, increases
Construction risk is added, threat is generated to construction personnel's life.
Summary of the invention
The present invention to solve the deficiencies in the prior art, provides circumferential grouting for water plugging method, application in a kind of shield received well
Emergency processing when shield body goes out portal water burst, the circumferential grouting method directly blocked from external leaking area, improves existing
The disadvantage that technologic material waste is big, blocking time is long.
The present invention is achieved by the following technical solutions:
A kind of circumferential grouting for water plugging method in shield received well, when being received for shield, when there is water burst or leak in portal, including
Following steps:
(1) preparation of construction: including preparing grouting equipment, slurries raw material, steel pipe, cotton-wadded quilt or heat-preservation cotton.
(2) it is inserted into steel pipe: several steel pipes being inserted into the gap between shield body and portal cord, steel pipe stays in outside one
Section；The steel pipe of insertion is circumferentially disposed along portal.
(3) block remaining gap: remaining gap between portal cord and shield body is stoppered using cotton-wadded quilt or heat-preservation cotton
It blocks.
(4) slip casting: carrying out slip casting by the steel pipe of insertion from bottom to top, and the slurries of injection can quickly solidify, steel pipe note
It is that the adjacent steel pipe in top has slurries spilling that slurry, which terminates judgment criteria,.
As a preferred solution:
In the step (1), steel pipe uses DN40 steel pipe.
In the step (2), steel pipe is inserted into gap bottom.
In the step (2), it is 30-50cm that steel pipe, which stays in external length,.
In the step (3), blocks remaining gap Yi Shui and flowed out all from the steel pipe of insertion to block judgment criteria.
In the step (4), the solidification in 1-3 minutes of the slurries of injection.
Compared with prior art, the invention has the benefit that the present invention provides notes circumferential in a kind of shield received well
Blocking method is starched, solves the problems, such as when shield reception portal leak stopping when unexpected portal water burst or leak；When leak stopping of the present invention, edge
Portal circumferential insertion steel pipe in the gap of shield body and portal cord, remaining gap is stoppered by cotton-wadded quilt or heat-preservation cotton, so that steel
Outflux of the pipe as internal artesian water, and make internal artesian water gradually to upstream by circumferential slip casting from bottom to up,
Adjacent steel pipe is as pressure water in the pressure relief opening white-out soil body above grouting port, combining the two ways of dredging and plugging, convenient for the closure of grouting port position,
Hole-specifically slip casting blocks from bottom to top, and top slip casting pore pressure force is gradually reduced, finally successfully blocks, when compared to traditional method for blocking
Between it is short, effect is good, high-efficient, risk is small；The plugging material that the present invention uses is easy to obtain, low in cost, more traditional to block greatly
The usage amount for reducing grouting serous fluid greatly, saves construction material, reduces construction cost.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
In figure, 1 portal cord, 2 steel pipes.
Specific embodiment
Specific embodiments of the present invention are given below, it should be noted that the invention is not limited to implement in detail below
Example, all equivalent transformations made on the basis of the technical solutions of the present application each fall within protection scope of the present invention.
Circumferential grouting for water plugging method in shield received well of the invention, comprising the following steps:
(1) preparation of construction
It can prepare grouting equipment, slurries raw material, steel pipe 2, cotton-wadded quilt or heat-preservation cotton etc. according to field condition.Steel pipe 2 uses DN40
Steel pipe.
(2) it is inserted into steel pipe 2
Steel pipe 2 is inserted into the gap between shield body and portal cord 1, steel pipe 2 is inserted into gap bottom as far as possible, and steel pipe 2 stays in outer
The length 30-50cm in portion, in order to subsequent operations.The steel pipe 2 of insertion is circumferentially disposed along portal, as shown in Fig. 1, the steel of insertion
2 numbers of pipe are depending on live water leakage situation.
(3) remaining gap is blocked
Remaining gap between portal cord 1 and shield body carries out stoppering closure using materials such as cotton-wadded quilt or heat-preservation cottons.Upper step insertion
Pressure-relief flow guide mouth of the steel pipe 2 as internal artesian water, block remaining gap effect and flowed out all from the steel pipe of insertion 2 with water and be
It is good.
(4) slip casting
After above-mentioned steps, slip casting is carried out by the steel pipe 2 of insertion from bottom to top.Slurries are first infused from minimum steel pipe 2
Enter, the slurries of configuration should accomplish that the slurries of injection can solidify in a short time, and setting time is 1-3 minutes, the grout cures time
It is just controllable by proportion, belong to general knowledge known in this field, which is not described herein again.Minimum 2 slip casting of steel pipe is until top is adjacent
Steel pipe 2 has slurries spilling, then this 2 slip casting of steel pipe closure terminates.After completing minimum 2 slip casting of steel pipe closure, then to minimum steel
The adjacent steel pipe 2 of pipe 2 carries out slip casting respectively, and so on, slip casting successively is carried out to steel pipe 2 one by one from bottom to up, slip casting terminates
There are slurries to overflow for judgment criteria with top adjacent steel pipe 2, is completed until 2 slip casting of steel pipe of highest point blocks, so far entirely
Plugging operation is completed.Entire slip casting process forms one and blocks route from minimum point to the circumferential of highest point, in this slip casting process
In, slip casting point top steel pipe is as pressure release and peep hole, combining the two ways of dredging and plugging, convenient for the successful closure of slip casting point.It is sequentially completed
The slip casting of portion's point, by the conversion of multiple hydrophobic relief hole and leak stopping hole, the pressure release point on final residue most vertex, due to most pushing up
Portion's buried depth is shallower, and hydraulic pressure is relatively small, can directly block to top leak source, be finally completed entire closure process.The method of the present invention
Risk is reduced, has ensured the life security of construction personnel.
Embodiment described above, only one kind of the present invention more preferably specific embodiment, those skilled in the art
The usual variations and alternatives that member carries out within the scope of technical solution of the present invention should be all included within the scope of the present invention.
Claims (6)
1. a kind of circumferential grouting for water plugging method in shield received well, when being received for shield, when there is water burst or leak in portal,
It is characterized in that: including the following steps:
(1) preparation of construction: including preparing grouting equipment, slurries raw material, steel pipe (2), cotton-wadded quilt or heat-preservation cotton；
(2) steel pipe (2) are inserted into: several steel pipes (2) are inserted into the gap between shield body and portal cord (1), steel pipe (2) stays
One section external；The steel pipe (2) of insertion is circumferentially disposed along portal；
(3) block remaining gap: remaining gap between portal cord (1) and shield body is stoppered using cotton-wadded quilt or heat-preservation cotton
It blocks；
(4) slip casting: slip casting is carried out by the steel pipe (2) of insertion from bottom to top, the slurries of injection can quickly solidify, steel pipe (2)
It is that the adjacent steel pipe in top (2) has slurries spilling that slip casting, which terminates judgment criteria,.
2. circumferential grouting for water plugging method in shield received well according to claim 1, it is characterised in that: the step (1)
In, steel pipe (2) uses DN40 steel pipe.
3. according to claim 1 adopt circumferential grouting for water plugging method in shield received well, it is characterised in that: the step
(2) in, steel pipe (2) is inserted into gap bottom.
4. according to claim 1 adopt circumferential grouting for water plugging method in shield received well, it is characterised in that: the step
(2) in, it is 30-50cm that steel pipe (2), which stays in external length,.
5. according to claim 1 adopt circumferential grouting for water plugging method in shield received well, it is characterised in that: the step
(3) in, blocking remaining gap Yi Shui outflow all from the steel pipe of insertion (2) is closure judgment criteria.
6. according to claim 1 adopt circumferential grouting for water plugging method in shield received well, it is characterised in that: the step
(4) in, the solidification in 1-3 minutes of the slurries of injection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910681289.0A CN110284908B (en) | 2019-07-26 | 2019-07-26 | Circumferential grouting plugging method in shield receiving well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910681289.0A CN110284908B (en) | 2019-07-26 | 2019-07-26 | Circumferential grouting plugging method in shield receiving well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110284908A true CN110284908A (en) | 2019-09-27 |
| CN110284908B CN110284908B (en) | 2021-02-12 |
Family
ID=68022453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910681289.0A Active CN110284908B (en) | 2019-07-26 | 2019-07-26 | Circumferential grouting plugging method in shield receiving well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110284908B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031869A (en) * | 2020-07-21 | 2020-12-04 | 中铁武汉勘察设计研究院有限公司 | Tunnel water burst protection device and installation method thereof |
| CN113482632A (en) * | 2021-08-12 | 2021-10-08 | 中铁十二局集团有限公司 | Shield tunneling machine starting construction method with external water-rich silt stratum grouting pipe |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660419A (en) * | 2008-08-27 | 2010-03-03 | 上海市机械施工有限公司 | Construction method for putting tunnel shield into hole in special stratum |
| CN101812992A (en) * | 2010-04-07 | 2010-08-25 | 北京科技大学 | Jet-grouting pipe-shed pre-support method for tunnel and longitudinal opening perforated pipe |
| KR100984883B1 (en) * | 2009-05-22 | 2010-10-01 | 위성배 | The construction method of shield tunneling |
| CN103410564A (en) * | 2013-08-29 | 2013-11-27 | 中南大学 | Tunnel water gushing treatment structure and construction method thereof |
| CN204060729U (en) * | 2014-07-28 | 2014-12-31 | 厦门中平公路勘察设计院有限公司 | Tunnel waterproofing construction |
| CN104405410A (en) * | 2014-12-04 | 2015-03-11 | 海南大学 | Construction structure and construction method for strengthening stratum at end of shield tunnel |
| CN108589735A (en) * | 2018-05-10 | 2018-09-28 | 广州地铁设计研究院有限公司 | A kind of Tunnel gushing treatment method |
| CN108915705A (en) * | 2018-08-09 | 2018-11-30 | 中铁局集团有限公司 | A kind of baffle grouting construction method blocked for shield export & import leak |
-
2019
- 2019-07-26 CN CN201910681289.0A patent/CN110284908B/en active Active
Patent Citations (8)
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| CN101660419A (en) * | 2008-08-27 | 2010-03-03 | 上海市机械施工有限公司 | Construction method for putting tunnel shield into hole in special stratum |
| KR100984883B1 (en) * | 2009-05-22 | 2010-10-01 | 위성배 | The construction method of shield tunneling |
| CN101812992A (en) * | 2010-04-07 | 2010-08-25 | 北京科技大学 | Jet-grouting pipe-shed pre-support method for tunnel and longitudinal opening perforated pipe |
| CN103410564A (en) * | 2013-08-29 | 2013-11-27 | 中南大学 | Tunnel water gushing treatment structure and construction method thereof |
| CN204060729U (en) * | 2014-07-28 | 2014-12-31 | 厦门中平公路勘察设计院有限公司 | Tunnel waterproofing construction |
| CN104405410A (en) * | 2014-12-04 | 2015-03-11 | 海南大学 | Construction structure and construction method for strengthening stratum at end of shield tunnel |
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Non-Patent Citations (1)
| Title |
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| 张公社: "超大直径泥水平衡式盾构机始发技术", 《铁道建筑技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031869A (en) * | 2020-07-21 | 2020-12-04 | 中铁武汉勘察设计研究院有限公司 | Tunnel water burst protection device and installation method thereof |
| CN113482632A (en) * | 2021-08-12 | 2021-10-08 | 中铁十二局集团有限公司 | Shield tunneling machine starting construction method with external water-rich silt stratum grouting pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110284908B (en) | 2021-02-12 |
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