CN108798686A - Tunneling boring water-rich sand layer shield receives construction method - Google Patents
Tunneling boring water-rich sand layer shield receives construction method Download PDFInfo
- Publication number
- CN108798686A CN108798686A CN201810679561.7A CN201810679561A CN108798686A CN 108798686 A CN108798686 A CN 108798686A CN 201810679561 A CN201810679561 A CN 201810679561A CN 108798686 A CN108798686 A CN 108798686A
- Authority
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- China
- Prior art keywords
- shield
- water
- shield machine
- portal
- steel plate
- 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
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- 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
- 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
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
Abstract
The embodiment of the present invention provides a kind of tunneling boring water-rich sand layer shield reception construction method, is used for constructing tunnel, and the tunneling shield end regions are equipped with water-stop curtain, and inside dewatering well has been set on the inside of the water-stop curtain, and this method includes：Three axes agitating pile is set in shield end region；Outside dewatering well is set on the outside of water-stop curtain；Vacuum pump is set in inside dewatering well on the inside of water-stop curtain；The well casing of the well lid of inside dewatering well and inside dewatering well is tightly connected, to form dewatering well on the inside of vacuum；Promote shield machine by water-stop curtain, until promoting shield machine to portal position；Portal, which is carried out, by shield machine abolishes construction；Promote shield machine by portal, until shield machine to shield is promoted to receive on bracket to complete shield reception.Method provided by the invention can effectively improve the precipitation efficiency and dewatering effect in shield end region, ensure that shield receives safely.
Description
Technical field
The present invention relates to Municipal Engineering Construction fields, and in particular, to a kind of tunneling boring water-rich sand layer in constructing tunnel
Shield receives construction method.
Background technology
It is major with the fast development of urban rail transit in China construction and stepping up for underground space utilization rate
City adds subway work ranks one after another, shield method tunnel construction technology with its exclusive intelligence, safely, quickly, it is high
The features such as effect and advantage are more and more widely promoted and are applied.
It before water-rich sand layer receives shield machine, needs to take dewatering measure, to ensure that it is good that the soil body at portal has
Plasticity and stability, when the soil body at portal position reaches construction regulation, just receivable shield machine.
In the prior art, before shield reception, by setting dewatering well on the inside of water-stop curtain, to reduce shield end
The water level in region, but the precipitation efficiency of dewatering well is relatively low, dewatering effect is poor, is easy to happen flowing water, gushes sand, shield end region
Ground easily settles, caves in.
Invention content
It is easy to happen flowing water for the reception of tunneling boring water-rich sand layer shield in the prior art construction method, gushes sand, shield end
The technical issues of head region ground easily settles, caves in, the present invention provides a kind of receptions of tunneling boring water-rich sand layer shield to apply
Work method can effectively improve precipitation efficiency and dewatering effect using this method, ensure that shield receives construction safety.
To achieve the above object, the present invention provides a kind of tunneling boring water-rich sand layer shield reception construction method, is used for tunnel
Construction, the tunneling shield end regions are equipped with water-stop curtain, and inside dewatering well, this method have been set on the inside of the water-stop curtain
Include the following steps：Three axes agitating pile is set in shield end region；Outside precipitation is set on the outside of the water-stop curtain
Well；Vacuum pump is set in the inside dewatering well；By the well casing of the well lid of the inside dewatering well and the inside dewatering well
It is tightly connected, to form dewatering well on the inside of vacuum；Promote the shield machine by the water-stop curtain, until promoting the shield
Machine is to portal position；Portal, which is carried out, by the shield machine abolishes construction；Promote the shield machine by the portal, until pushing away
It is received on bracket into the shield machine to shield to complete shield reception.
Preferably, described to promote the shield machine by the water-stop curtain, including：When promote the shield machine to described
When at water-stop curtain position, the assembled three hole slip casting sections of jurisdiction at the water-stop curtain position；Continue to promote the shield machine, works as institute
When stating the shield tail disengaging three holes slip casting section of jurisdiction of shield machine, by the injected hole of the three holes Grouting Pipe on piece to three hole
Ground on the outside of slip casting section of jurisdiction carries out secondary grouting construction.
Preferably, described that construction is abolished by shield machine progress portal, including：It is abolished to last in the portal
When layer concrete, welding polylith stops pulpboard on the inside of portal steel ring.
Preferably, the polylith stop in pulpboard per adjacent two pieces only pulpboard mutually overlap.
Preferably, it is L-type steel plate that the polylith, which stops pulpboard,.
Preferably, described to promote the shield machine by the portal, it is held in the palm until the shield machine is promoted to be received to shield
To complete shield reception on frame, including：After the shield tail of the shield machine is detached from the portal, in shield duct piece and pre-buried steel
Doughnut-shaped steel plate is welded between ring.
Preferably, the outer diameter of the doughnut-shaped steel plate is equal with the diameter of pre-buried steel loop, the internal diameter of the doughnut-shaped steel plate
Diameter corresponding with the middle position of the pre-embedded steel slab of the shield duct piece is equal.
Preferably, the doughnut-shaped steel plate is made of multiple blocky steel plate splicings.
Preferably, described to promote the shield machine by the portal, it is held in the palm until the shield machine is promoted to be received to shield
To complete shield reception on frame, further include：Before welding doughnut-shaped steel plate between shield duct piece and pre-buried steel loop, the multiple
Locating piece is set on each blocky steel plate in blocky steel plate.
Preferably, injected hole has been set on the doughnut-shaped steel plate.
The technical solution provided through the invention, the present invention at least have the following technical effect that：
Tunneling boring water-rich sand layer shield provided by the invention receives construction method, and outside is first set on the outside of water-stop curtain
Dewatering well, then in the inside dewatering well in shield end region be arranged vacuum-dewatering pump, by the well lid of inside dewatering well with it is interior
The well casing of side dewatering well is tightly connected, and to form dewatering well on the inside of vacuum, can effectively improve the precipitation effect in shield end region
Rate and dewatering effect ensure that shield receives safely.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Fig. 1 is the flow chart that tunneling boring water-rich sand layer shield provided by the invention receives construction method.
Specific implementation mode
The specific implementation mode of the embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this
The described specific implementation mode in place is merely to illustrate and explain the present invention embodiment, is not intended to restrict the invention embodiment.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is typically needle
For direction shown in the drawings either for it is vertical, on vertical or gravity direction for each component mutual alignment relation
Word is described.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Referring to FIG. 1, the embodiment of the present invention provides a kind of tunneling boring water-rich sand layer shield reception construction method, it to be used for tunnel
Construction, the tunneling shield end regions are equipped with water-stop curtain, and inside dewatering well, this method have been set on the inside of the water-stop curtain
Include the following steps：S101：Three axes agitating pile is set in shield end region；S102：It is beaten in the outside of the water-stop curtain
If outside dewatering well；S103：Vacuum pump is set in the inside dewatering well；S104：By the well lid of the inside dewatering well with
The well casing of the inside dewatering well is tightly connected, to form dewatering well on the inside of vacuum；S105：The shield machine is promoted to pass through described
Water-stop curtain, until promoting the shield machine to portal position；S106：Portal, which is carried out, by the shield machine abolishes construction；
S107：Promote the shield machine by the portal, until the shield machine to shield is promoted to receive on bracket to complete shield
It receives.
According to the technique and scheme of the present invention, it since shield end region is water-rich sand layer, needs first to shield end region
It is reinforced.In the present embodiment, it (is, for example, the areas A and the areas B, close to the area of portal shield end region to be divided into two regions
Domain is the areas A, and the region far from portal is the areas B).Using No. 42.5 portland cements, the stirring of three axis is set in twoth area A, B respectively
Stake, the every width three axes agitating pile tunneling boring cement mixing content in the areas A are that the every width three axes agitating pile tunneling boring cement mixing content in the areas 20%, B is
15%.The soil body in shield end region can be reinforced by setting three axes agitating pile in shield end region, enhancing soil
The plasticity and stability of body reduce the underground water in shield end region, ensure that shield receives safely.
Preferably, two dual pipe rotary churning piles are set in water-stop curtain and building enclosure seam crossing, cement mixing content is
250kg/m sets dual pipe rotary churning pile at building enclosure and the cold seam of shield end stabilization zone construction, and stake diameter is 600mm, Kong Jian
Away from for 400mm, cement mixing content 200kg/m.By above method, the Groundwater infiltration shield outside shield end region can be prevented
Structure end regions reduce the underground water in shield end region, occur flowing water when preventing shield from receiving, gush sand problem, ensure shield
Safety receives.
Outside dewatering well is set on the outside of water-stop curtain joint and the water-stop curtain parallel with portal, in sealing curtain
Vacuum pump is added in the inside dewatering well of curtain inside, well lid is sealed with well casing and water pipe tightly, thus by inside precipitation respectively
Well is changed to dewatering well on the inside of vacuum.It, can be primary at interval of a period of time (such as being spaced 4 hours) record in Precipitation Process
The flow and water level conditions of dewatering well.By the way that dewatering well on the inside of vacuum is arranged, the precipitation efficiency on the inside of water-stop curtain can be improved
And dewatering effect, ensure that shield receives safely.
Continue to promote shield machine, so that shield machine is passed through water-stop curtain and be advanced into portal position, can observe on the inside of vacuum
Water table in well in dewatering well, when Water table in well is down to portal center line predetermined distance below, (the usual preset distance is not small
In 2m) when, it carries out portal and abolishes construction, after the completion of portal is abolished, continue to promote shield machine, until shield machine is advanced into shield
It receives and completes shield reception on bracket.
The method provided through the invention can effectively improve the precipitation efficiency and dewatering effect in shield end region, protect
Hinder shield to receive safely.
Preferably, described to promote the shield machine by the water-stop curtain, including：When promote the shield machine to described
When at water-stop curtain position, the assembled three hole slip casting sections of jurisdiction at the water-stop curtain position；Continue to promote the shield machine, works as institute
When stating the shield tail disengaging three holes slip casting section of jurisdiction of shield machine, by the injected hole of the three holes Grouting Pipe on piece to three hole
Ground on the outside of slip casting section of jurisdiction carries out secondary grouting construction.
In the embodiment of the present invention, when shield machine is advanced into water-stop curtain position, assembled three holes at water-stop curtain position
Slip casting section of jurisdiction.After three hole slip casting sections of jurisdiction are detached from the shield tail tricyclic of shield machine, casting head is processed into and three hole slip casting sections of jurisdiction
Injected hole the diameter that matches of aperture, and casting head is mounted on injected hole, between three hole slip casting sections of jurisdiction and the soil body
Carry out secondary grouting.Preferably, slurries select dual slurry, grouting pressure to be no more than 0.6MPa.It is waited after the completion of domain slip casting strong (i.e.
The intensity of dual slurry reaches design requirement) about 2 hours, it can be observed later by injected hole in the latter ring of this ring, such as without stream
Water, quicksand can thereby determine that slip casting effect is good.
Method through the embodiment of the present invention can effectively block the underground water on the outside of water-stop curtain, prevent three hole slip castings
Section of jurisdiction and soil body sedimentation, ensure the safe construction that shield receives.
Preferably, described that construction is abolished by shield machine progress portal, including：It is abolished to last in the portal
When layer concrete, welding polylith stops pulpboard on the inside of portal steel ring.
Portal, which can be carried out, in the embodiment of the present invention, after preparation is ready abolishes construction.Ground-connecting-wall has inside and outside two layers of steel
Muscle.First outside cover to reinforcement is abolished, cuts off first layer reinforcing bar, abolishes the second layer concrete, cuts off second reinforcing bar, is modified
It is smoother and abolish last cover to reinforcement.Concrete abolishes sequence as from top to bottom, reinforcing bar cuts off sequence as from bottom to top.
When abolishing to last layer concrete, stop pulpboard in portal steel ring most inner side welding polylith, only after the completion of pulpboard welding
The internal radius of formation is less than the outer diameter of shield machine, can be formed and be wrapped up to shield host.It is rapid after the completion of welding to remove foot hand
Frame, cleaning dregs, carry out shield and receive construction.
Method through the embodiment of the present invention, only pulpboard can with the shield body of shield machine formed wrap up, prevent at portal
Soil erosion effectively prevents soil body sedimentation at portal, it is ensured that shield receives safety.
Preferably, the polylith stop in pulpboard per adjacent two pieces only pulpboard mutually overlap.
In the embodiment of the present invention, by adjacent two pieces only pulpboard mutually overlap can prevent water, sand from adjacent two pieces only slurry
Gap between plate is flowed out, and enhancing is whole to enclose the globality for stopping pulpboard and whole sealing, stops sand effect, further increases shield and connects
The safety of receipts.
Preferably, it is L-type steel plate that the polylith, which stops pulpboard,.
In the embodiment of the present invention, only pulpboard is L-type steel plate, it is preferable that only pulpboard is L-type manganese alloy elastic sheet iron.L-type
Steel plate is made of weld part and bending part, and weld part is welded in the top of shield tunnel, and bending part is close to the inside of portal steel ring,
Only pulpboard sealing can be further increased and stop sand effect, prevent the soil body at portal from settling, improve the safety that shield receives.
Preferably, described to promote the shield machine by the portal, it is held in the palm until the shield machine is promoted to be received to shield
To complete shield reception on frame, including：After the shield tail of the shield machine is detached from the portal, in shield duct piece and pre-buried steel
Doughnut-shaped steel plate is welded between ring.
Since there are gaps, in order to prevent soil erosion to receive shield machine between shield duct piece and pre-buried steel loop
When can more assembled rings bear endless tube pieces, negative endless tube piece dismounting needs to expend a large amount of manpower and machinery, and increases construction work
Phase.In the embodiment of the present invention, can be shut down when the shield tail of shield machine is detached from portal about 1m, shield duct piece and pre-buried steel loop it
Between weld doughnut-shaped steel plate, the gap between section of jurisdiction and pre-buried steel loop blocks.
The method provided through the embodiment of the present invention can reduce the assembly of negative endless tube piece, when avoiding removing negative endless tube piece
Risk, reduce manpower and machine consuming, reduce construction cost, shorten the construction period.
Preferably, the outer diameter of the doughnut-shaped steel plate is equal with the diameter of pre-buried steel loop, the internal diameter of the doughnut-shaped steel plate
Diameter corresponding with the middle position of the pre-embedded steel slab of the shield duct piece is equal.
In the embodiment of the present invention, the corresponding diameter of outer arc of doughnut-shaped steel plate is equal with the diameter of the pre-buried steel loop of portal, annular
The internal diameter of steel plate diameter corresponding with the middle position of the pre-embedded steel slab of the pre-embedded steel slab of shield duct piece is equal so that shield pipe
Piece can be close with pre-buried steel loop and shield duct piece welding respectively when welding, improves the plugging effect of portal, ensures shield
Structure receives safely.
Preferably, the doughnut-shaped steel plate is made of multiple blocky steel plate splicings.
The manufacture difficulty of monoblock doughnut-shaped steel plate is larger, and inconvenience fixation, installation when installation, the embodiment of the present invention
In, doughnut-shaped steel plate is divided into multiple blocky steel plates, such as the steel plate of mono- section of 1m, by multiple blocky steel plates be assembled in shield duct piece with
Between pre-buried steel loop, elder generation's spot welding when welding, it is whole punctuate to be soldered into carry out full weld later, to complete portal closure.
Method through the embodiment of the present invention can reduce the manufacture difficulty of doughnut-shaped steel plate, facilitate the positioning of doughnut-shaped steel plate
Installation, further shortens construction period.
Preferably, described to promote the shield machine by the portal, it is held in the palm until the shield machine is promoted to be received to shield
To complete shield reception on frame, further include：Before welding doughnut-shaped steel plate between shield duct piece and pre-buried steel loop, the multiple
Locating piece is set on each blocky steel plate in blocky steel plate.
In the embodiment of the present invention, before welding doughnut-shaped steel plate, locating piece (such as reinforcing bar) is respectively provided on every block of steel plate,
Construction personnel can be facilitated to grasp steel plate in this way, steel plate is positioned, with accurately by steel plate be welded on shield duct piece with it is pre-
Between burying steel loop, the plugging effect of portal is improved, ensures that shield receives safely.
Preferably, injected hole has been set on the doughnut-shaped steel plate.
In the embodiment of the present invention, injected hole has been set on the steel plate, after completing portal and blocking, passes through the note on steel plate
Hole is starched to gap slip casting between shield duct piece and pre-buried steel loop, the soil body at portal can be preferably consolidated, reduce at portal
Soil erosion ensures that shield receives safely.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical scheme of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of tunneling boring water-rich sand layer shield receives construction method, it is used for constructing tunnel, the tunneling shield end regions to be set
There is water-stop curtain, inside dewatering well has been set on the inside of the water-stop curtain, which is characterized in that the method includes：
Three axes agitating pile is set in shield end region；
Outside dewatering well is set on the outside of the water-stop curtain；
Vacuum pump is set in the inside dewatering well；
The well casing of the well lid of the inside dewatering well and the inside dewatering well is tightly connected, to form precipitation on the inside of vacuum
Well；
Promote shield machine by the water-stop curtain, until promoting the shield machine to portal position；
Portal, which is carried out, by the shield machine abolishes construction；
It promotes the shield machine by the portal, is connect until the shield machine to shield is promoted to receive on bracket with completing shield
It receives.
2. according to the method described in claim 1, it is characterized in that, described promote the shield machine by the water-stop curtain,
Including：
When promoting at the shield machine to the water-stop curtain position, the assembled three hole Grouting Pipes at the water-stop curtain position
Piece；
Continue to promote the shield machine, when the shield tail of the shield machine is detached from the three holes slip casting section of jurisdiction, passes through three hole
The injected hole of Grouting Pipe on piece carries out secondary grouting construction to the ground on the outside of the three holes slip casting section of jurisdiction.
3. according to the method described in claim 1, it is characterized in that, it is described by the shield machine carry out portal abolish construction,
Including：
When the portal is abolished to last layer concrete, welding polylith stops pulpboard on the inside of portal steel ring.
4. according to the method described in claim 3, it is characterized in that, the polylith stops in pulpboard, per adjacent two pieces, only pulpboard is mutual
Overlap joint.
5. according to the method described in claim 4, it is characterized in that, it is L-type steel plate that the polylith, which stops pulpboard,.
6. according to the method described in claim 1, it is characterized in that, described promote the shield machine by the portal, until
The shield machine to shield is promoted to receive to complete shield reception on bracket, including：
After the shield tail of the shield machine is detached from the portal, doughnut-shaped steel plate is welded between shield duct piece and pre-buried steel loop.
7. according to the method described in claim 6, it is characterized in that, the outer diameter of the doughnut-shaped steel plate and the pre-buried steel loop it is straight
Diameter is equal, and the internal diameter of doughnut-shaped steel plate diameter corresponding with the middle position of the pre-embedded steel slab of the shield duct piece is equal.
8. the method according to the description of claim 7 is characterized in that the doughnut-shaped steel plate is made of multiple blocky steel plate splicings.
9. according to the method described in claim 8, it is characterized in that, described promote the shield machine by the portal, until
It promotes the shield machine to shield to receive on bracket to complete shield reception, further includes：
Before doughnut-shaped steel plate being welded between shield duct piece and pre-buried steel loop, each blocky steel in the multiple blocky steel plate
Locating piece is set on plate.
10. according to the method described in claim 6, it is characterized in that, having set injected hole on the doughnut-shaped steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810679561.7A CN108798686A (en) | 2018-06-27 | 2018-06-27 | Tunneling boring water-rich sand layer shield receives construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810679561.7A CN108798686A (en) | 2018-06-27 | 2018-06-27 | Tunneling boring water-rich sand layer shield receives construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108798686A true CN108798686A (en) | 2018-11-13 |
Family
ID=64071875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810679561.7A Pending CN108798686A (en) | 2018-06-27 | 2018-06-27 | Tunneling boring water-rich sand layer shield receives construction method |
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| CN (1) | CN108798686A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751056A (en) * | 2019-01-31 | 2019-05-14 | 中铁工程装备集团有限公司 | A kind of water rich strata shield-tunneling construction active well end processing method |
| CN110344834A (en) * | 2019-07-12 | 2019-10-18 | 中铁十二局集团有限公司 | Nearly section water-rich silty sand layers shield machine receives construction method |
| CN111733839A (en) * | 2020-06-16 | 2020-10-02 | 中建三局基础设施建设投资有限公司 | Method for reinforcing receiving end of deep-buried shield water-rich sand layer next to excavation foundation pit |
| CN114198108A (en) * | 2021-12-21 | 2022-03-18 | 中铁一局集团有限公司 | Method for breaking and removing obstacles of shield-driven downward-passing existing station enclosure structure in water-rich sand layer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06288194A (en) * | 1993-03-31 | 1994-10-11 | Mitsui Constr Co Ltd | Tunnel lining construction method |
| CN101781993A (en) * | 2010-01-19 | 2010-07-21 | 中铁四局集团第二工程有限公司 | Shield driving construction method for bearing water-rich soil layer |
| CN202991051U (en) * | 2012-12-06 | 2013-06-12 | 中铁十二局集团有限公司 | Reinforcing structure capable of realizing shield reception without using water-stopping cord fabric |
| CN103790592A (en) * | 2014-01-27 | 2014-05-14 | 中铁二十二局集团第一工程有限公司 | End soil mass reinforcement system and method |
| CN106812540A (en) * | 2017-03-20 | 2017-06-09 | 中铁十四局集团有限公司 | A kind of shield launching element wall closing water sealing consolidation structure and construction technology |
-
2018
- 2018-06-27 CN CN201810679561.7A patent/CN108798686A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06288194A (en) * | 1993-03-31 | 1994-10-11 | Mitsui Constr Co Ltd | Tunnel lining construction method |
| CN101781993A (en) * | 2010-01-19 | 2010-07-21 | 中铁四局集团第二工程有限公司 | Shield driving construction method for bearing water-rich soil layer |
| CN202991051U (en) * | 2012-12-06 | 2013-06-12 | 中铁十二局集团有限公司 | Reinforcing structure capable of realizing shield reception without using water-stopping cord fabric |
| CN103790592A (en) * | 2014-01-27 | 2014-05-14 | 中铁二十二局集团第一工程有限公司 | End soil mass reinforcement system and method |
| CN106812540A (en) * | 2017-03-20 | 2017-06-09 | 中铁十四局集团有限公司 | A kind of shield launching element wall closing water sealing consolidation structure and construction technology |
Non-Patent Citations (1)
| Title |
|---|
| 王社江: "在富水粉砂地层中盾构到达段施工技术", 《石家庄铁道大学学报（自然科学版）》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751056A (en) * | 2019-01-31 | 2019-05-14 | 中铁工程装备集团有限公司 | A kind of water rich strata shield-tunneling construction active well end processing method |
| CN110344834A (en) * | 2019-07-12 | 2019-10-18 | 中铁十二局集团有限公司 | Nearly section water-rich silty sand layers shield machine receives construction method |
| CN111733839A (en) * | 2020-06-16 | 2020-10-02 | 中建三局基础设施建设投资有限公司 | Method for reinforcing receiving end of deep-buried shield water-rich sand layer next to excavation foundation pit |
| CN114198108A (en) * | 2021-12-21 | 2022-03-18 | 中铁一局集团有限公司 | Method for breaking and removing obstacles of shield-driven downward-passing existing station enclosure structure in water-rich sand layer |
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Application publication date: 20181113 |