CN104847383A - Hole ring water stop system for starting phases of shield tunneling machines - Google Patents
Hole ring water stop system for starting phases of shield tunneling machines Download PDFInfo
- Publication number
- CN104847383A CN104847383A CN201510278060.4A CN201510278060A CN104847383A CN 104847383 A CN104847383 A CN 104847383A CN 201510278060 A CN201510278060 A CN 201510278060A CN 104847383 A CN104847383 A CN 104847383A
- Authority
- CN
- China
- Prior art keywords
- wire brush
- hole ring
- water stop
- stop system
- rubber cord
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 230000005641 tunneling Effects 0.000 title abstract 2
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 238000010276 construction Methods 0.000 claims abstract description 30
- 229920001971 elastomer Polymers 0.000 claims abstract description 30
- 239000004519 grease Substances 0.000 claims abstract description 22
- 238000002347 injection Methods 0.000 claims abstract description 13
- 239000007924 injection Substances 0.000 claims abstract description 13
- 238000007569 slipcasting Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 210000002219 extraembryonic membrane Anatomy 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 3
- 239000002002 slurry Substances 0.000 abstract 3
- 239000004744 fabric Substances 0.000 abstract 2
- 230000002787 reinforcement Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000007596 consolidation process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 241000469816 Varus Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization 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
-
- 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
- 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
- E21D11/383—Waterproofing; Heat insulating; Soundproofing; Electric insulating by applying waterproof flexible sheets; Means for fixing the sheets to the tunnel or cavity wall
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)
Abstract
The invention discloses a hole ring water stop system for starting phases of shield tunneling machines. The hole ring water stop system is characterized in that the hole ring water stop system is arranged on a hole ring, and the hole ring comprises three layers of sealing structures; the first layer of sealing structure comprises a one-way hinge plate and rubber cord fabrics; the second layer of sealing structure comprises an inner-side steel wire brush, an outer-side steel wire brush and a grease pipeline; the third layer of sealing structure comprises two rows of emergency slurry injection channels which are arranged on a cylindrical steel barrel, outlet ends of the inner row of emergency slurry injection channels are arranged between the inner-side steel wire brush and a concrete structural wall, and outlet ends of the outer row of emergency slurry injection channels are arranged between the outer-side steel wire brush and the rubber cord fabrics. The hole ring water stop system has the advantages that shortcomings in the prior art can be overcome by the aid of the hole ring water stop system under the condition that the soil reinforcement quality is difficult to guarantee, the hole ring water stop system can be used in separate phases in construction procedures according to actual working conditions, and seepage pressures of water and soil can be jointly resisted by the hole ring water stop system.
Description
Technical field
The present invention relates to a kind of sealing system, particularly relate to a kind of hole circle sealing system being applied to the shield launching stage.
Background technology
When shield tunnel starts, need to start portal stratum pushing ahead, until shield machine all enters the soil body and completes a series of operations of portal shutoff by design altitude and gradient incision.Shield machine starts and easily occurs the dangerous situations such as percolating water, the soil body run off, foundation ditch floods under disadvantageous geologic condition.The mode of stratum consolidation+hole circle antipriming is more adopted to avoid risk at present.Usual stratum consolidation adopts slip casting, deep-mixed pile, rotary churning pile, freezes, the collocation of precipitation and multiple engineering method, but the strengthening quality under the operating modes such as complicated geology, edpth of tunnel are large is difficult to ensure; Hole circle antipriming is generally made up of rubber cord and unidirectional flap, and when starting, antipriming can produce the trend of turning up and even lost efficacy under the effect of high Water And Earth Pressures.Therefore existing stage hole circle antipriming formation strengthening quality requirement of starting is strict, otherwise shield launching risk will be made to reach uncontrollable degree.
Summary of the invention
The technical problem to be solved in the present invention is to provide one and constructs shield launching stage hole circle sealing system easily.
In order to solve the problems of the technologies described above, technical scheme of the present invention is to provide the hole circle sealing system in a kind of shield launching stage, described hole circle comprises the ring steel plate that is parallel to body of wall and the cylindrical steel cylindrical shell perpendicular to body of wall, hole circle is embedded on starting well concrete structure wall, it is characterized in that, described hole circle sealing system is located on the circle of hole, and it comprises three-layer sealed structure:
First floor hermetically-sealed construction comprises unidirectional flap and rubber cord, ring steel plate is provided with setscrew nut, bolt ecto-entad is successively through after unidirectional flap, rubber cord, match with the setscrew nut on ring steel plate, the top of unidirectional flap is welded with hinge, and bottom also can inwardly be overturn by latching and chain connection;
Second layer hermetically-sealed construction comprises inner side wire brush, outside wire brush and grease lines, inner side wire brush, outside wire brush are circularly be fixed on cylindrical steel cylindrical shell, the port of export of grease lines is located between inner side wire brush and outside wire brush, and grease lines is communicated with shield machine pressure injection shield tail grease equipment;
Third layer hermetically-sealed construction comprises the emergent slip casting passage of two rows be located on cylindrical steel cylindrical shell, the meet an urgent need port of export of slip casting passage of interior row is located between inner side wire brush and concrete structure wall, and the meet an urgent need port of export of slip casting passage of outer row is located between outside wire brush and rubber cord.
Preferably, the unidirectional flap of described first floor hermetically-sealed construction is the fan-shaped keeper plate of steel in circular row, and rubber cord is the annulus that fetal membrane is processed into; When starting, unidirectional flap is consistent with shield machine direction of advance with the reverses direction of rubber cord.
Preferably, the port of export of the grease lines of described second layer hermetically-sealed construction adopts plug welding to be connected with cylindrical steel cylindrical shell; Arrival end and ball valve one screwed connection; Middle part is provided with steel plate for sealing water, and steel plate for sealing water is embedded in concrete in advance.
Preferably, the emergent slip casting passage of described third layer hermetically-sealed construction adopts pressure injection loss circulation material to carry out emergent sealing.
First floor hermetically-sealed construction is made up of rubber cord and unidirectional flap, and rubber cord is fixed in Circular Plate by bolt by unidirectional flap.When going out starting well, the reverses direction of first floor hermetically-sealed construction is consistent with shield machine direction of advance, and the rubber cord of its flexibility is by tight for shield machine shell hoop.When there is Water And Earth Pressures inner side, the bent distortion of outer elastic drum that the unidirectional flap of rigidity can effectively stop flexible rubber cord to produce, and then prevent rubber cord from turning up, realize hermetic seal effect;
Second layer hermetically-sealed construction is made up of twice wire brush and pre-buried oil grease tube.Twice wire brush is located in cylindrical steel cylindrical shell, spacing 150-250mm.4 grease lines are buried underground between twice wire brush.The boundary line of outside wire brush and first floor hermetically-sealed construction varus is adjacent, does not namely hinder first floor hermetically-sealed construction freely to overturn.Flexible wire brush hoop shield machine housing or section of jurisdiction, and fills building gap by pressure injection shield tail grease, plays the effect of shutoff water and soil leakage passage;
Third layer hermetically-sealed construction is the emergent slip casting passage of two rows be arranged in cylindrical steel cylindrical shell.Interior row slip casting passage of meeting an urgent need is located between concrete structure wall and inner side wire brush, outer row meet an urgent need slip casting passage be located at outside wire brush and first floor hermetically-sealed construction between, be provided with 4 places in single emergent injected hole annular extent, emergent shutoff can be carried out by the loss circulation material such as pressure injection polyurethane.
When soil stabilization difficult quality guarantee, hole provided by the invention circle sealing system overcomes the deficiencies in the prior art, three-layer sealed structure all takes effective means to be connected with Dong Quan, can come into operation stage by stage according to actual condition in work progress, common leak pressure of resisting the stage water and soil that starts.
Accompanying drawing explanation
Fig. 1 is the structural representation of shield launching stage provided by the invention hole circle sealing system;
Fig. 2 is the lateral view of Fig. 1;
Fig. 3 is first floor sealed structural representation;
Fig. 4 is second layer sealed structural representation;
Fig. 5 is third layer sealed structural representation.
Detailed description of the invention
For making the present invention become apparent, hereby with preferred embodiment, and accompanying drawing is coordinated to be described in detail below.
Embodiment
As Figure 1-5, for the structural representation of shield launching stage provided by the invention hole circle sealing system, the stage shield machine 4 that starts is placed on pedestal 9, and the force path in stage of starting is followed successively by shield machine 4, section of jurisdiction 3, counterforce device 2, concrete structure wall 1.Hole circle 5 comprises three-layer sealed structure altogether, and wherein first floor hermetically-sealed construction 6 is made up of rubber cord 20 and unidirectional flap 19; Second layer hermetically-sealed construction 7 is made up of twice wire brush and pre-buried oil grease tube; Third layer hermetically-sealed construction 8 is made up of the emergent slip casting passage of two rows.The port of export of pre-buried oil grease tube and the emergent slip casting passage of two rows is positioned at the top 10 of hole circle 5, bottom 12, left side 11 and right side 13.
The hole circle sealing system in described shield launching stage comprises three-layer sealed structure:
As shown in Figure 3, hole circle 5 is embedded on concrete structure wall 1, and hole circle 5 comprises the ring steel plate 14 that is parallel to body of wall and the cylindrical steel cylindrical shell 15 perpendicular to body of wall.First floor hermetically-sealed construction 6 is combined by unidirectional flap 19 and rubber cord 20, and wherein unidirectional flap 19 is the fan-shaped keeper plate of steel in circular row, and rubber cord 20 is the annulus adopting fetal membrane to be processed into monoblock.The bottom of unidirectional flap 19 can move radially to hole circle 5 around hinge 18.Unidirectional flap 19 and rubber cord 20 leave bolt hole, and bolt 17 is tightened with the setscrew nut 16 on ring steel plate 14 through unidirectional flap 19, rubber cord 20.When starting, unidirectional flap 19 is identical with shield machine direction of advance with the reverses direction of rubber cord 20, the elasticity drum song that can produce laterally during Water And Earth Pressures effect is had to be out of shape inside rubber cord 20, the unidirectional flap 19 of rigidity can prevent rubber cord 20 from turning up, and realizes hermetic seal effect.Along with shield machine is constantly pushed ahead, rubber cord 20 changes hoop section of jurisdiction state 22 into by hoop shield structure housing state 21.The top of unidirectional flap 19 is welded with hinge, and bottom also can inwardly be overturn by latching and chain connection.
As shown in Figure 4, second layer hermetically-sealed construction 7 is made up of inner side wire brush 23, outside wire brush 24 and grease lines 26.Wire brush 23 and 24 spacing is 150-250mm, and is welded into annulus respectively in the inner side of cylindrical steel cylindrical shell 15.Outside wire brush 24 is adjacent with the vertical line 25 of rubber cord 20 on shield machine shell, but must not enter unidirectional flap 19 and rubber cord 20 freely overturns space.The port of export of seamless steel pipe grease lines 26 is arranged between inner side wire brush 23 and outside wire brush 24, and its tube wall is closely knit through plug welding 28 after cylindrical steel cylindrical shell 15; Arrival end and ball valve 1 screwed connection; Middle part is pre-buried with in concrete after arranging twice steel plate for sealing water 27.Two flexible wire brush hoops shield machine shell or section of jurisdiction, and are sealed by pipeline 26 pressure injection shield tail grease, and grease lines 26 is communicated with shield machine pressure injection shield tail grease equipment.
As shown in Figure 5, third layer hermetically-sealed construction 8 is the emergent slip casting passage of two rows on cylindrical tube 15, wherein, the emergent slip casting channel outlet of row is between inner side wire brush 23 and concrete structure wall 1, and outer row meets an urgent need slip casting channel outlet between outside wire brush 24 and rubber cord 20.Emergent slip casting channel outlet is connected and sealed by plug welding 28 by the tube wall of Grouting Pipe 30 and cylindrical steel cylindrical shell 15; Arrival end and ball valve 2 31 screwed connection; Middle part is pre-buried with in concrete after arranging twice steel plate for sealing water 27.In origination process, emergent sealing can be carried out by loss circulation materials such as slip casting passage pressure injection polyurethane.
In origination process, first internal water soil pressure acts on first floor hermetically-sealed construction 6; Second layer hermetically-sealed construction 7 participates in work subsequently, and especially the injection of shield tail grease effectively can enclose the leakage passage between 5 in shutoff shield machine 4 shell and hole, reduces leak pressure and forms protection to first floor hermetically-sealed construction 6; For extremely complicated situation, third layer hermetically-sealed construction 8 can be utilized to carry out emergent shutoff.Three-layer sealed structure according to actual condition phase in waterstop sealing, can guarantee that shield machine starts safely.This sealing system is coupled hardness with softness, well arranged, with strong points, construct convenient, systematically solve the shield launching stage hole circle sealing problem.
Claims (4)
1. the hole circle sealing system in a shield launching stage, described hole circle comprises the ring steel plate (14) that is parallel to body of wall and the cylindrical steel cylindrical shell (15) perpendicular to body of wall, hole circle is embedded on starting well concrete structure wall (1), it is characterized in that, described hole circle sealing system is located on the circle of hole, and it comprises three-layer sealed structure:
First floor hermetically-sealed construction (6) comprises unidirectional flap (19) and rubber cord (20), ring steel plate (14) is provided with setscrew nut (16), bolt (17) ecto-entad is successively through after unidirectional flap (19), rubber cord (20), match with the setscrew nut (16) on ring steel plate (14), the top of unidirectional flap (19) is welded with hinge, and bottom also can inwardly be overturn by latching and chain connection;
Second layer hermetically-sealed construction (7) comprises inner side wire brush (23), outside wire brush (24) and grease lines (26), inner side wire brush (23), outside wire brush (24) are fixed on cylindrical steel cylindrical shell (15) in circular, the port of export of grease lines (26) is located between inner side wire brush (23) and outside wire brush (24), and grease lines (26) is communicated with shield machine pressure injection shield tail grease equipment;
Third layer hermetically-sealed construction (8) comprises the emergent slip casting passage of two rows be located on cylindrical steel cylindrical shell (15), the meet an urgent need port of export of slip casting passage of interior row is located between inner side wire brush (23) with concrete structure wall (1), outer row meet an urgent need the port of export of slip casting passage be located at outside between wire brush (24) and rubber cord (20).
2. the hole circle sealing system in shield launching stage as claimed in claim 1, it is characterized in that, the unidirectional flap (19) of described first floor hermetically-sealed construction (6) is the fan-shaped keeper plate of steel in circular row, the annulus that rubber cord (20) is processed into for fetal membrane; When starting, unidirectional flap (19) is consistent with shield machine direction of advance with the reverses direction of rubber cord (20).
3. the hole circle sealing system in shield launching stage as claimed in claim 1, it is characterized in that, the port of export and the cylindrical steel cylindrical shell (15) of the grease lines (26) of described second layer hermetically-sealed construction (7) adopt plug welding (28) to be connected; Arrival end and ball valve one (29) screwed connection; Middle part is provided with steel plate for sealing water (27), and steel plate for sealing water (27) is embedded in concrete in advance.
4. the hole circle sealing system in shield launching stage as claimed in claim 1, is characterized in that, the emergent slip casting passage of described third layer hermetically-sealed construction (8) adopts pressure injection loss circulation material to carry out emergent sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510278060.4A CN104847383A (en) | 2015-05-27 | 2015-05-27 | Hole ring water stop system for starting phases of shield tunneling machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510278060.4A CN104847383A (en) | 2015-05-27 | 2015-05-27 | Hole ring water stop system for starting phases of shield tunneling machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104847383A true CN104847383A (en) | 2015-08-19 |
Family
ID=53847310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510278060.4A Pending CN104847383A (en) | 2015-05-27 | 2015-05-27 | Hole ring water stop system for starting phases of shield tunneling machines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104847383A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729934A (en) * | 2018-07-06 | 2018-11-02 | 广州轨道交通建设监理有限公司 | A kind of emergent water shutoff gum cover being drilled out gushing water for the underground space |
| CN113216987A (en) * | 2021-06-25 | 2021-08-06 | 南通城市轨道交通有限公司 | Water-rich sand layer shield tunneling machine downward-penetrating water supply pipe and river starting receiving construction method |
| CN113892372A (en) * | 2021-08-27 | 2022-01-07 | 北京工业大学 | Compacting mechanism for compacting potting soil matrix |
| CN114658453A (en) * | 2022-02-21 | 2022-06-24 | 上海隧道工程有限公司 | Water stopping structure and method for initial sealing sock damage part of rectangular pipe-jacking tunnel |
-
2015
- 2015-05-27 CN CN201510278060.4A patent/CN104847383A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729934A (en) * | 2018-07-06 | 2018-11-02 | 广州轨道交通建设监理有限公司 | A kind of emergent water shutoff gum cover being drilled out gushing water for the underground space |
| CN108729934B (en) * | 2018-07-06 | 2023-10-03 | 广州轨道交通建设监理有限公司 | Emergency water sealing rubber sleeve for underground space penetrated by water |
| CN113216987A (en) * | 2021-06-25 | 2021-08-06 | 南通城市轨道交通有限公司 | Water-rich sand layer shield tunneling machine downward-penetrating water supply pipe and river starting receiving construction method |
| CN113892372A (en) * | 2021-08-27 | 2022-01-07 | 北京工业大学 | Compacting mechanism for compacting potting soil matrix |
| CN114658453A (en) * | 2022-02-21 | 2022-06-24 | 上海隧道工程有限公司 | Water stopping structure and method for initial sealing sock damage part of rectangular pipe-jacking tunnel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104358575B (en) | A kind of water-rich sand layer slurry shield originates sealing device and originates sealing control method | |
| CN105221168B (en) | Shield method tunnel construction portal Water sealing method under the conditions of a kind of rich water is buried | |
| CN106812540B (en) | Shield initial plain wall sealing water-stopping reinforcing structure and construction process | |
| CN104847383A (en) | Hole ring water stop system for starting phases of shield tunneling machines | |
| JP2015105513A (en) | Construction method of outer shield tunnel | |
| CN101644161B (en) | Water stopping device for tunneling machine going in and out of tunnel and water stopping method | |
| CN101787892A (en) | Method for constructing maintainable tunnel waterproof system | |
| KR102120676B1 (en) | Semi-Shield method propulsion pipe its watertight structure | |
| CN107504262A (en) | River push pipe pipeline is got in a kind of soft soil layer and moves back pipe construction method | |
| CN204113296U (en) | A kind of sealing device being applicable to shield machine | |
| CN103557012A (en) | Large deformation tunnel surrounding rock grouting fastening bearing structure and construction method | |
| CN104404919B (en) | Dam foundation corridor and bank slope bedrock connecting structure | |
| CN204783060U (en) | Shield constructs hole circle stagnant water system in machine stage of starting | |
| CN203452807U (en) | Waterproof sealing device for shield starting and receiving | |
| CN107687344A (en) | A kind of shield machine exchanging shield ventral brush stretches steel loop, sealing structure and replacing options | |
| CN110469338A (en) | A kind of artesian water stratum shield method of reseptance | |
| CN203891015U (en) | Oblique anchor simple hole-sealing grouting bag device | |
| CN112796699A (en) | High-pressure blowout preventer with emergency plugging cabin and installation and use methods | |
| CN105220700A (en) | Foundation pit waterproof curtain reinforcement | |
| CN102747722B (en) | Underground continuous wall joint close grouting and covering construction method and expansion rubber plug | |
| CN103790164A (en) | Construction method for having control over floating deformation of existing pipeline tunnel in mollisol deep foundation pit excavation | |
| US11603760B2 (en) | Shield method | |
| CN104481549A (en) | Bentonite injection method and system for blocking gushing water and sand | |
| CN105525928A (en) | Construction method of sealing ring of duct piece wall of shield inclined shaft | |
| JP6560105B2 (en) | Method for forming pressure-resistant supporting ground body in pipe roof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150819 |
|
| WD01 | Invention patent application deemed withdrawn after publication |