CN107387101A - The exchanging shield ventral brush method of shield machine - Google Patents
The exchanging shield ventral brush method of shield machine Download PDFInfo
- Publication number
- CN107387101A CN107387101A CN201710851920.8A CN201710851920A CN107387101A CN 107387101 A CN107387101 A CN 107387101A CN 201710851920 A CN201710851920 A CN 201710851920A CN 107387101 A CN107387101 A CN 107387101A
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- CN
- China
- Prior art keywords
- shield
- jurisdiction
- shield tail
- section
- brush
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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 DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/02—Setting anchoring-bolts with provisions for grouting
- E21D20/021—Grouting with inorganic components, e.g. cement
Abstract
The invention discloses a kind of exchanging shield ventral brush method of shield machine, its method is：Step 1: annular bamboo reinforcement injected hole arrangement and mortar depositing construction；Step 2: the replacing of shield tail brush；Step 3: installation section of jurisdiction；Step 4: the safeguard measure after exchanging shield ventral brush.Beneficial effects of the present invention：Localization slip casting can be oriented according to on-site actual situations.Have the advantages that low cost, practical, ruggedized equipment of constructing are not take up tunnel space, short time limit.Influence less, to have no adverse effect to shield tunnel construction stability to caused by the structure durability of section of jurisdiction.With larger application value.
Description
Technical field
The present invention relates to a kind of replacing options of construction machinery part, more particularly to a kind of exchanging shield ventral brush side of shield machine
Method.
Background technology
At present, either balancing earth-pressure shielding machine or slurry balance shield machine, are all the operations in the environment of closing, shield
Should be dry in structure machine.But different degrees of infiltration occurs for various reasons, inside shield machine, oozes mud etc.
Phenomenon, and shield machine internal leak phenomenon is concentrated mainly on shield tail.How to prevent and treat with control shield tail leakage problems is shield tunnel
Another key subject in construction.Shield tail seepage assembles the improper, back of the body mainly due to section of jurisdiction and fills in the unfavorable, oil quantity of slurry and pressure not
Caused by foot, the damage of shield tail brush etc..
Due to reasons such as pipe sheet assembling is improper, shield long distance drivings, shield tail brush can be damaged inevitably, according to
Experience, the life-span of shield tail brush is typically in 2.5km or so under shield normal operating conditions.The damage of shield tail brush can cause shield tail close
Envelope property declines, and serious meeting influences shield and normally tunneled, and in this case, the shield tail brush of damage need to be changed.In the past
Engineering practice in exchanging shield ventral brush mostly use increase shield tail synchronous grouting amount and change slip casting proportioning coagulated with accelerating slurries
Admittedly the measure of grade.However, the stratum inadaptability of slip casting method, the poor continuity of grouting curtain, lack of homogeneity, the slip casting soil body and shield
And the flexible unfavorable factor with toughness of cementing shortage of section of jurisdiction is objective reality, can cause the risk hidden danger of water shutoff difference.It is right
In the stratum of full water weak soil, slip casting lack of homogeneity, the excessive risk work under the conditions of subaqueous tunnel and exchanging shield ventral brush grade long in time limit
Journey, grouting seal water is still without absolutely holding.Compared to ejection for water plugging layer, the Frozen Soil Cylinder that freezing process is formed has continuity
Well, the advantages that uniformity is good, water shutoff is good, pliability is good, intensity is high.Therefore, engineering with artificial freezing method starts extensive utilization to shield tail
Brush changes construction.Annular consolidation by freezing water sealing structure when patent CN 205260042U disclose a kind of exchanging shield ventral brush, it is
Annular freezing pipe is embedded with the soil body of shield tail brush position, freezes to make the soil body at shield tail brush to be formed by annular freezing pipe
There is annular Frozen Soil Cylinder to reinforce water sealing structure.But the patent has the disadvantage that：
1st, the duration reinforces long in time limit with respect to slip casting method, and freezing process needs to carry out the standard of low temperature refrigerant medium with refrigeration plant
It is standby, actively freeze to generally require 30 days, therefore add the duration.
2nd, freezing consolidation needs to place freezing equipment in shield tunnel, and the freezing equipment space-consuming is big, influences shield
The subsequent construction that ventral brush is changed.
3rd, freezing equipment process of refrigerastion power consumption is big, and freezing consolidation cost is high.
The content of the invention
The invention aims to a kind of exchanging shield ventral brush method for the shield machine for solving above-mentioned technical problem and providing.
The exchanging shield ventral brush method of shield machine provided by the invention, its method are as described below：
Step 1: annular bamboo reinforcement injected hole arrangement and mortar depositing construction：
1-2 root rings are buried on the precalculated position of the soil body outside the section of jurisdiction for changing shield tail brush by annular injected hole construction equipment
Shape bamboo reinforcement grouted anchor bar, annular bamboo reinforcement grouted anchor bar soil body outside replacing shield tail brush section of jurisdiction are generally 1 arrangement and put, water shutoff requirement
2 rows can be arranged in the case of height, injecting paste material is ordinary cement single slurry combination ordinary cement-waterglass dual slurry, and slurries are matched somebody with somebody
Than for ordinary cement single slurry W:C=0.6-0.8:1；Ordinary cement-waterglass dual slurry W:C=1:1, C:S=1:1；Slip casting
Pressure 2-3MPa；Perforate is controlled in ± 10cm according to design attitude, deviation；When the more difficult pore-forming of stratum weakness, using sleeve pipe with
Enter, pass through sleeve pipe tripping in annular bamboo reinforcement grouted anchor bar, it is ensured that projected depth is arrived under anchor pole；Annular bamboo reinforcement grouted anchor bar installs completion
After moving back brill, orifice sealing is carried out, and carry out slip casting immediately to prevent because sediment outflow, draining cause surrounding soil displacement to aggravate, it is ensured that ring
The anchor force of shape bamboo reinforcement anchor pole；
Step 2: the replacing of shield tail brush：
1), after annular bamboo reinforcement grouted anchor bar slip casting, reinforcing water-stagnating effect that need to be to annular grouting curtain checks, leads to
The injected hole for crossing out two detection peep holes or section of jurisdiction checked, determine it is anhydrous after carry out exchanging shield ventral brush again, removing
Before section of jurisdiction, neighbouring section of jurisdiction must carry out inner support；
2), after above-mentioned preparation, you can exchanging shield ventral brush is carried out, it is first normal to promote, 1m or so is advanced to,
The welding for carrying out pipe lengthens a thousand pieces of gold top, then is promoted, and until first of shield tail brush is completely exposed, stopping promotes, and directly enters
The whole circle of row is changed, and after replacing, measurement and positioning, is welded with gap of the shield tail pad, pipe sheet assembling, pushing tow pipe are being carried out with extension arm
Piece slides, and with upper ring distance 100mm, device to hole, wears bolt, pushing tow, the docking of the old and new section of jurisdiction, bolt fastening propulsion, pipe support
Cut off after abjection；
3) 3 ring scope 2-3 injected holes of lower half circle after shield ring, and mounting ball valve are reserved when, changing shield tail brush, it is standby
Leak grouting behind shaft or drift lining injects polyurethane, exposure shield tail brush, waste oil and mortar between removing shield tail brush in seal groove, to shield tail
Brush is checked that the shield tail brush for not having use value to serious wear is directly cut off, and carries out polishing processing to cutting off region, mill
Damage is relatively light simply to be cleared up by the shield tail brush of mortar consolidation, combs shield tail brush using Reinforced hook during cleaning, the cleaning of shield tail brush will
Thoroughly, the part cut off will weld new shield tail brush again, sealing shield tail brush be welded again with Φ 5mm506 welding rods, phase
Spacing between adjacent shield tail brush is not more than 3mm, and tail seal grease of shield is smeared again to the seal groove between shield tail brush and shield tail brush；
4), measure shield tail surrounding gap and record, manufacture and gap of the shield tail support pipe is welded with tail shield, pipe rises to section of jurisdiction
To supporting role, avoid falling under section of jurisdiction on shield shell, section of jurisdiction is kept identical gap of the shield tail with a upper ring, it is ensured that new mounting ring
It is concentric with a upper ring；
Step 3: installation section of jurisdiction：
Installation section of jurisdiction follows the order installed from bottom to top, the K blocks that bind selection ll points or l points position, when erecting ring in whole is complete
Cheng Hou, section of jurisdiction is just elapsed backward, pushing tow erecting ring in whole section of jurisdiction, with a upper ring away from 1OOmm, is started when two endless tube pieces are at a distance of 10mm
Penetrate bolt, segment bolt spells section of jurisdiction from having installed section of jurisdiction and wear to new, when section of jurisdiction in place when, 10 groups of jack reinforce simultaneously, with
Just the contact of two endless tube pieces is close, fastens all bolts of the domain repeatedly, after section of jurisdiction is installed in place, with shield tail grease pump pumping shield tail
Uncompacted shield tail brush groove and shield tail brush are manually smeared in seal grease, filling, and the operating pressure of shield tail grease pump can be set, reach
It can stop after to setup pressure value, recover normal and promote, behind the supporting steel plate abjection section of jurisdiction of welding, be cut off, to shield shell
Grinding process is done, soil pressure Conservation measures are taken in replacing, prevents body center of gravity from moving forward, causes posture, gap, shield tail full circle degree hair
Changing, after completing a series of activities, segment assembly, gap of the shield tail is measured before pipe sheet assembling, segment selection is carried out, due to shield tail
Bottom long-time stress, bottom gap of the shield tail is larger, and top gap of the shield tail is too small, when section of jurisdiction is installed, by first up and then down progress,
After installation is completed in section of jurisdiction, it can recover to tunnel after injecting enough greases to shield tail；
Step 4: the safeguard measure after exchanging shield ventral brush：
Protect the work of shield tail brush synchronous with changing shield tail brush should carry out, to prevent the damage again of shield tail brush, Ying Cai
Take the following precautionary measures：
1) grease, is filled：
In order to prevent the damage of shield tail brush, while increase the effect of sealing, carry out change shield tail brush during, it is necessary to
Steel wire to every piece of shield tail brush fills in grease by hand again；
2), shield tail brush is put the oil：
During being reinstalled in section of jurisdiction, the steel spring plate for giving section of jurisdiction contact one side spreads butter, increase section of jurisdiction with
Lubrication between steel spring plate；
3), seal groove filling grease：
After having changed sealing brush and again assembled good section of jurisdiction, before shield machine propulsion, shield tail injected grease system is first passed through to shield
Ventral brush asks injection seal grease；
4) shield shell bottom, is cleared up in time：
In tunneling process install per endless tube piece when, it is necessary to shield shell bottom is cleaned out, prevent rubble be clipped in section of jurisdiction with
Between shield shell, sealing brush is damaged to the rear shifting of section of jurisdiction, while avoids shield attitude from being mutated as far as possible.
Beneficial effects of the present invention：
1st, the present invention is compared with routine slip casting method is reinforced when exchanging shield ventral brush, ground adaptability is strong, grouting curtain it is continuous
Property and uniformity is good, grouting curtain flexible and toughness is good, and localization slip casting can be oriented according to on-site actual situations.
2nd, compared with freezing consolidation of present invention when exchanging shield ventral brush, there is low cost, practical, reinforcing of constructing to set
Standby the advantages that being not take up tunnel space, short time limit.
3rd, the present invention along section of jurisdiction compared with directly punching and laying one week freezing pipe or Grouting Pipe reinforcing sealing, simply in pipe
1-2 injected hole has been laid on piece, influenceed to caused by the structure durability of section of jurisdiction it is little, to shield tunnel construction stability without
Adverse effect.
4th, the present invention have construct that practical, quality control on construction is convenient, consolidation effect particularly water-stagnating effect is good and
Outstanding advantages of safe and reliable, there is larger application value.
Embodiment
The exchanging shield ventral brush method of shield machine provided by the invention, its method are as described below：
Step 1: annular bamboo reinforcement injected hole arrangement and mortar depositing construction：
1-2 root rings are buried on the precalculated position of the soil body outside the section of jurisdiction for changing shield tail brush by annular injected hole construction equipment
Shape bamboo reinforcement grouted anchor bar, annular bamboo reinforcement grouted anchor bar soil body outside replacing shield tail brush section of jurisdiction are generally 1 arrangement and put, water shutoff requirement
2 rows can be arranged in the case of height, injecting paste material is ordinary cement single slurry combination ordinary cement-waterglass dual slurry, and slurries are matched somebody with somebody
Than for ordinary cement single slurry W:C=0.6-0.8:1；Ordinary cement-waterglass dual slurry W:C=1:1, C:S=1:1；Slip casting
Pressure 2-3MPa；Perforate is controlled in ± 10cm according to design attitude, deviation；When the more difficult pore-forming of stratum weakness, using sleeve pipe with
Enter, pass through sleeve pipe tripping in annular bamboo reinforcement grouted anchor bar, it is ensured that projected depth is arrived under anchor pole；Annular bamboo reinforcement grouted anchor bar installs completion
After moving back brill, orifice sealing is carried out, and carry out slip casting immediately to prevent because sediment outflow, draining cause surrounding soil displacement to aggravate, it is ensured that ring
The anchor force of shape bamboo reinforcement anchor pole；
Step 2: the replacing of shield tail brush：
1), after annular bamboo reinforcement grouted anchor bar slip casting, reinforcing water-stagnating effect that need to be to annular grouting curtain checks, leads to
The injected hole for crossing out two detection peep holes or section of jurisdiction checked, determine it is anhydrous after carry out exchanging shield ventral brush again, removing
Before section of jurisdiction, neighbouring section of jurisdiction must carry out inner support；
2), after above-mentioned preparation, you can exchanging shield ventral brush is carried out, it is first normal to promote, 1m or so is advanced to,
The welding for carrying out pipe lengthens a thousand pieces of gold top, then is promoted, and until first of shield tail brush is completely exposed, stopping promotes, and directly enters
The whole circle of row is changed, and after replacing, measurement and positioning, is welded with gap of the shield tail pad, pipe sheet assembling, pushing tow pipe are being carried out with extension arm
Piece slides, and with upper ring distance 100mm, device to hole, wears bolt, pushing tow, the docking of the old and new section of jurisdiction, bolt fastening propulsion, pipe support
Cut off after abjection；
3) 3 ring scope 2-3 injected holes of lower half circle after shield ring, and mounting ball valve are reserved when, changing shield tail brush, it is standby
Leak grouting behind shaft or drift lining injects polyurethane, exposure shield tail brush, waste oil and mortar between removing shield tail brush in seal groove, to shield tail
Brush is checked that the shield tail brush for not having use value to serious wear is directly cut off, and carries out polishing processing to cutting off region, mill
Damage is relatively light simply to be cleared up by the shield tail brush of mortar consolidation, combs shield tail brush using Reinforced hook during cleaning, the cleaning of shield tail brush will
Thoroughly, the part cut off will weld new shield tail brush again, sealing shield tail brush be welded again with Φ 5mm506 welding rods, phase
Spacing between adjacent shield tail brush is not more than 3mm, and tail seal grease of shield is smeared again to the seal groove between shield tail brush and shield tail brush；
4), measure shield tail surrounding gap and record, manufacture and gap of the shield tail support pipe is welded with tail shield, pipe rises to section of jurisdiction
To supporting role, avoid falling under section of jurisdiction on shield shell, section of jurisdiction is kept identical gap of the shield tail with a upper ring, it is ensured that new mounting ring
It is concentric with a upper ring；
Step 3: installation section of jurisdiction：
Installation section of jurisdiction follows the order installed from bottom to top, the K blocks that bind selection ll points or l points position, when erecting ring in whole is complete
Cheng Hou, section of jurisdiction is just elapsed backward, pushing tow erecting ring in whole section of jurisdiction, with a upper ring away from 1OOmm, is started when two endless tube pieces are at a distance of 10mm
Penetrate bolt, segment bolt spells section of jurisdiction from having installed section of jurisdiction and wear to new, when section of jurisdiction in place when, 10 groups of jack reinforce simultaneously, with
Just the contact of two endless tube pieces is close, fastens all bolts of the domain repeatedly, after section of jurisdiction is installed in place, with shield tail grease pump pumping shield tail
Uncompacted shield tail brush groove and shield tail brush are manually smeared in seal grease, filling, and the operating pressure of shield tail grease pump can be set, reach
It can stop after to setup pressure value, recover normal and promote, behind the supporting steel plate abjection section of jurisdiction of welding, be cut off, to shield shell
Grinding process is done, soil pressure Conservation measures are taken in replacing, prevents body center of gravity from moving forward, causes posture, gap, shield tail full circle degree hair
Changing, after completing a series of activities, segment assembly, gap of the shield tail is measured before pipe sheet assembling, segment selection is carried out, due to shield tail
Bottom long-time stress, bottom gap of the shield tail is larger, and top gap of the shield tail is too small, when section of jurisdiction is installed, by first up and then down progress,
After installation is completed in section of jurisdiction, it can recover to tunnel after injecting enough greases to shield tail；
Step 4: the safeguard measure after exchanging shield ventral brush：
Protect the work of shield tail brush synchronous with changing shield tail brush should carry out, to prevent the damage again of shield tail brush, Ying Cai
Take the following precautionary measures：
1) grease, is filled：
In order to prevent the damage of shield tail brush, while increase the effect of sealing, carry out change shield tail brush during, it is necessary to
Steel wire to every piece of shield tail brush fills in grease by hand again；
2), shield tail brush is put the oil：
During being reinstalled in section of jurisdiction, the steel spring plate for giving section of jurisdiction contact one side spreads butter, increase section of jurisdiction with
Lubrication between steel spring plate；
3), seal groove filling grease：
After having changed sealing brush and again assembled good section of jurisdiction, before shield machine propulsion, shield tail injected grease system is first passed through to shield
Ventral brush asks injection seal grease；
4) shield shell bottom, is cleared up in time：
In tunneling process install per endless tube piece when, it is necessary to shield shell bottom is cleaned out, prevent rubble be clipped in section of jurisdiction with
Between shield shell, sealing brush is damaged to the rear shifting of section of jurisdiction, while avoids shield attitude from being mutated as far as possible.
Claims (1)
1. a kind of exchanging shield ventral brush method of shield machine, it is characterised in that：Its method is as described below：
Step 1: annular bamboo reinforcement injected hole arrangement and mortar depositing construction：
1-2 root annular bamboos are buried on the precalculated position of the soil body outside the section of jurisdiction for changing shield tail brush by annular injected hole construction equipment
Muscle grouted anchor bar, annular bamboo reinforcement grouted anchor bar soil body outside replacing shield tail brush section of jurisdiction are generally 1 arrangement and put, and water shutoff requires high
In the case of can arrange 2 rows, injecting paste material is ordinary cement single slurry combination ordinary cement-waterglass dual slurry, and grout coordinate ratio is
Ordinary cement single slurry W:C=0.6-0.8:1；Ordinary cement-waterglass dual slurry W:C=1:1, C:S=1:1；Grouting pressure
2-3MPa；Perforate is controlled in ± 10cm according to design attitude, deviation；When the more difficult pore-forming of stratum weakness, followed up, led to using sleeve pipe
Cross sleeve pipe tripping in annular bamboo reinforcement grouted anchor bar, it is ensured that projected depth is arrived under anchor pole；Annular bamboo reinforcement grouted anchor bar installs completion and moves back brill
Afterwards, orifice sealing is carried out, and carry out slip casting immediately to prevent because sediment outflow, draining cause surrounding soil displacement to aggravate, it is ensured that annular bamboo
The anchor force of muscle anchor pole；
Step 2: the replacing of shield tail brush：
1), after annular bamboo reinforcement grouted anchor bar slip casting, reinforcing water-stagnating effect that need to be to annular grouting curtain checks, by opening
Two detection peep holes or the injected hole of section of jurisdiction checked, determine it is anhydrous after carry out exchanging shield ventral brush again, removing section of jurisdiction
Before, neighbouring section of jurisdiction must carry out inner support；
2), after above-mentioned preparation, you can exchanging shield ventral brush is carried out, it is first normal to promote, 1m or so is advanced to, is carried out
The welding of pipe lengthens a thousand pieces of gold top, then is promoted, and until first of shield tail brush is completely exposed, stopping promotes, and directly carries out whole
Circle is changed, and after replacing, measurement and positioning, is welded with gap of the shield tail pad, is carrying out pipe sheet assembling with extension arm, pushing tow section of jurisdiction is slided
OK, with upper ring distance 100mm, device to hole, bolt, pushing tow, the docking of the old and new section of jurisdiction, bolt fastening propulsion, pipe support abjection are worn
After cut off；
3) 3 ring scope 2-3 injected holes of lower half circle after shield ring, and mounting ball valve, standby leak are reserved when, changing shield tail brush
Grouting behind shaft or drift lining injects polyurethane, exposure shield tail brush, waste oil and mortar between removing shield tail brush in seal groove, shield tail brush is entered
Row checks that the shield tail brush for not having use value to serious wear directly cuts off, and carry out polishing processing to cutting off region, wear compared with
It is light simply to be cleared up by the shield tail brush of mortar consolidation, shield tail brush is combed using Reinforced hook during cleaning, the cleaning of shield tail brush is thorough,
The part cut off will weld new shield tail brush again, sealing shield tail brush be welded again with Φ 5mm506 welding rods, adjacent shield
Spacing between ventral brush is not more than 3mm, and tail seal grease of shield is smeared again to the seal groove between shield tail brush and shield tail brush；
4), measure shield tail surrounding gap and record, manufacture and gap of the shield tail support pipe is welded with tail shield, pipe plays branch to section of jurisdiction
Support acts on, and avoids falling under section of jurisdiction on shield shell, section of jurisdiction and a upper ring is kept identical gap of the shield tail, it is ensured that new mounting ring with it is upper
One ring is concentric；
Step 3: installation section of jurisdiction：
Installation section of jurisdiction follows the order installed from bottom to top, the K blocks that bind selection ll points or l points position, after the completion of erecting ring in whole,
Just section of jurisdiction is elapsed backward, pushing tow erecting ring in whole section of jurisdiction, with a upper ring away from 1OOmm, starts to penetrate when two endless tube pieces are at a distance of 10mm
Bolt, segment bolt spell section of jurisdiction from having installed section of jurisdiction and wear to new, when section of jurisdiction in place when, 10 groups of jack reinforce simultaneously, so as to two
The contact of endless tube piece is close, fastens all bolts of the domain repeatedly, after section of jurisdiction is installed in place, with shield tail grease pump pumping tail sealing
Uncompacted shield tail brush groove and shield tail brush are manually smeared in grease, filling, and the operating pressure of shield tail grease pump can be set, reach and set
It can stop after level pressure force value, recover normal and promote, behind the supporting steel plate abjection section of jurisdiction of welding, be cut off, shield shell is beaten
Mill processing, takes soil pressure Conservation measures in replacing, prevent body center of gravity from moving forward, cause posture, gap, shield tail full circle degree to become
Change, after completing a series of activities, segment assembly, gap of the shield tail is measured before pipe sheet assembling, segment selection is carried out, due to shield tail bottom
Long-time stress, bottom gap of the shield tail is larger, and top gap of the shield tail is too small, when section of jurisdiction is installed, by first up and then down progress, section of jurisdiction
After completing installation, it can recover to tunnel after injecting enough greases to shield tail；
Step 4: the safeguard measure after exchanging shield ventral brush：
Protect shield tail brush work should with change shield tail brush it is synchronous progress, to prevent the damage again of shield tail brush, should take with
The lower precautionary measures：
1) grease, is filled：
In order to prevent the damage of shield tail brush, while increase the effect of sealing, during carrying out changing shield tail brush, it is necessary to every
The steel wire of block shield tail brush fills in grease by hand again；
2), shield tail brush is put the oil：
During being reinstalled in section of jurisdiction, the steel spring plate for giving section of jurisdiction contact one side spreads butter, increases section of jurisdiction and spring
Lubrication between steel plate；
3), seal groove filling grease：
After having changed sealing brush and again assembled good section of jurisdiction, before shield machine propulsion, first pass through shield tail injected grease system and give shield tail brush
Ask injection seal grease；
4) shield shell bottom, is cleared up in time：
When being installed in tunneling process per endless tube piece, it is necessary to clean out shield shell bottom, prevent rubble to be clipped in section of jurisdiction and shield shell
Between, sealing brush is damaged to the rear shifting of section of jurisdiction, while avoid shield attitude from being mutated as far as possible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710851920.8A CN107387101A (en) | 2017-09-19 | 2017-09-19 | The exchanging shield ventral brush method of shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710851920.8A CN107387101A (en) | 2017-09-19 | 2017-09-19 | The exchanging shield ventral brush method of shield machine |
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| Publication Number | Publication Date |
|---|---|
| CN107387101A true CN107387101A (en) | 2017-11-24 |
Family
ID=60349946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710851920.8A Pending CN107387101A (en) | 2017-09-19 | 2017-09-19 | The exchanging shield ventral brush method of shield machine |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098721A (en) * | 2018-08-10 | 2018-12-28 | 中铁局集团有限公司 | A kind of shield repair shield tail brush method |
| CN109630144A (en) * | 2018-12-05 | 2019-04-16 | 中交二航局第三工程有限公司 | The method of the shield machine replacement twice shield tail brush ring of water rich strata constructing tunnel |
| CN109707386A (en) * | 2018-12-18 | 2019-05-03 | 上海隧道工程有限公司 | The method of disposable replacement first of shield tail brush of shield machine |
| CN109877088A (en) * | 2019-01-15 | 2019-06-14 | 中铁工程装备集团技术服务有限公司 | Shield machine shield shell is consolidated mortar package processing method |
| CN110067565A (en) * | 2019-05-16 | 2019-07-30 | 中铁十二局集团有限公司 | A method of acting on exchanging shield ventral brush in rich water sandy silt soil stratum shield-tunneling construction |
| CN111075457A (en) * | 2019-11-28 | 2020-04-28 | 南宁轨道交通集团有限责任公司 | In-hole repairing method for shield deformation of tail shield of shield tunneling machine under complex geological condition |
| CN111997633A (en) * | 2020-07-23 | 2020-11-27 | 山东大学 | Construction method for replacing shield tail sealing brush of shield tunneling machine |
| CN112228087A (en) * | 2020-10-12 | 2021-01-15 | 中铁四局集团第二工程有限公司 | Method for increasing and replacing shield tail brush of shield tunneling machine |
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| JP2000240397A (en) * | 1999-02-23 | 2000-09-05 | Penta Ocean Constr Co Ltd | Method for replacing tail seal of shield machine |
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| CN101251015A (en) * | 2008-04-02 | 2008-08-27 | 上海隧道工程股份有限公司 | Construction method for exchanging shield ventral brush |
| CN102155237A (en) * | 2011-03-22 | 2011-08-17 | 中建市政建设有限公司 | Device for exchanging tail brush during shield tunneling, and construction method of device |
| CN102720506A (en) * | 2012-05-31 | 2012-10-10 | 中铁隧道股份有限公司 | Method for replacing tail brush in shield tunnel through liquid nitrogen freezing |
| CN104675408A (en) * | 2015-01-27 | 2015-06-03 | 南京林业大学 | Liquid nitrogen freezing system of high water pressure super-long-distance large-sectional tunnel and method of quickly changing shield tail brushes |
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| CN109098721A (en) * | 2018-08-10 | 2018-12-28 | 中铁局集团有限公司 | A kind of shield repair shield tail brush method |
| CN109098721B (en) * | 2018-08-10 | 2019-11-12 | 中铁一局集团有限公司 | A kind of shield repair shield tail brush method |
| CN109630144A (en) * | 2018-12-05 | 2019-04-16 | 中交二航局第三工程有限公司 | The method of the shield machine replacement twice shield tail brush ring of water rich strata constructing tunnel |
| CN109707386A (en) * | 2018-12-18 | 2019-05-03 | 上海隧道工程有限公司 | The method of disposable replacement first of shield tail brush of shield machine |
| CN109707386B (en) * | 2018-12-18 | 2020-10-27 | 上海隧道工程有限公司 | Method for replacing first shield tail brush of shield tunneling machine at one time |
| CN109877088A (en) * | 2019-01-15 | 2019-06-14 | 中铁工程装备集团技术服务有限公司 | Shield machine shield shell is consolidated mortar package processing method |
| CN110067565A (en) * | 2019-05-16 | 2019-07-30 | 中铁十二局集团有限公司 | A method of acting on exchanging shield ventral brush in rich water sandy silt soil stratum shield-tunneling construction |
| CN111075457A (en) * | 2019-11-28 | 2020-04-28 | 南宁轨道交通集团有限责任公司 | In-hole repairing method for shield deformation of tail shield of shield tunneling machine under complex geological condition |
| CN111997633A (en) * | 2020-07-23 | 2020-11-27 | 山东大学 | Construction method for replacing shield tail sealing brush of shield tunneling machine |
| CN112228087A (en) * | 2020-10-12 | 2021-01-15 | 中铁四局集团第二工程有限公司 | Method for increasing and replacing shield tail brush of shield tunneling machine |
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Application publication date: 20171124 |