CN108547634B - It is a kind of in the shrinkable section of jurisdiction that tunnel internal is removed and construction method - Google Patents
It is a kind of in the shrinkable section of jurisdiction that tunnel internal is removed and construction method Download PDFInfo
- Publication number
- CN108547634B CN108547634B CN201810157032.0A CN201810157032A CN108547634B CN 108547634 B CN108547634 B CN 108547634B CN 201810157032 A CN201810157032 A CN 201810157032A CN 108547634 B CN108547634 B CN 108547634B
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- Prior art keywords
- block
- wing plate
- jurisdiction
- movable wing
- binds
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Classifications
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- 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
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
Abstract
The invention discloses a kind of in the shrinkable section of jurisdiction that tunnel internal is removed and construction method, it solves the problems, such as that shield duct piece is removed difficult and can not be reused, it at the block that binds by being arranged extensible member and movable wing plate, section of jurisdiction can be removed in tunnel internal, without broken, it can reuse, its technical solution are as follows: including the adjacent multiple calibrated bolcks for being surrounded by arcuate structure, it is close to an adjacent block in arcuate structure both ends, the block that binds is set between adjacent block, and calibrated bolck, adjacent block and the block that binds constitute columnar structured；The block two sides of binding have movable wing plate, and extensible member is arranged inside the block that binds, and the extensible member is connect with movable wing plate, and extensible member can drive movable wing plate rotation or mobile to hold out against adjacent block.
Description
Technical field
The present invention relates to shield duct piece technical fields, more particularly to a kind of collapsible tube for removing in tunnel internal
Piece and construction method.
Background technique
Currently, subway is all being built in each city energetically, Shield-type machinery degree is higher, timely segment assembly after driving, and
Jack counter-force is provided using section of jurisdiction and pushes shield going-forward, to the more demanding of pipe sheet assembling quality.It is currently used to be all
Concrete pipe sheet, a domain section of jurisdiction are assembled into circle for supporting tunnel according to certain sequence by 6 pieces of sections of jurisdiction, and the block that binds is in tunnel
Road is axially tapered (connector angle), and final level insertion is bound block when segment assembly, makes domain section of jurisdiction jam-packed, between each section of jurisdiction
It is fixed to each other in tunnel by high-strength bolt.
The section of city underground mostly uses shield construction, but when Local Layer is harder, Mining Method and shield can be used
Method is used cooperatively, then shield machine needs sky to push through mining tunnel, at the same in mining tunnel segment assembly to provide counter-force, general mine
The section in mountain tunnel and shield duct piece sizableness, after the completion of shield-tunneling construction, assembled section of jurisdiction needs to remove, if only from section
Both ends start remove section of jurisdiction, then efficiency is slow, long in time limit.If section of jurisdiction is removed in any position out of section, due to outside section of jurisdiction with
Section of jurisdiction disassembly need to be carried out in inside when there is no working space between tunnel, therefore removing, then transport and hang out one by one.And section of jurisdiction internal diameter
Smaller than outer diameter, the face that 6 pieces of sections of jurisdiction contact with each other in an endless tube piece is along radial direction, and self-stability can be preferable, so positive reason
It under condition, even if section of jurisdiction is not bolted, also the more can bind round the more tight with outside pressure, be that can not remove to lift down from inside
's.Therefore, often by concrete pipe sheet progress explosion, perhaps weight is crushed the section of jurisdiction to domain section of jurisdiction or side in work progress
There is the destruction of unrepairable, it is directly discarded to cause huge waste.
In conclusion the problem of shield duct piece is removed difficulty and can not be reused in the prior art, still lacking has
The solution of effect.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, it is shrinkable for removing in tunnel internal that the present invention provides a kind of
Section of jurisdiction can remove section of jurisdiction in tunnel internal by the way that extensible member and movable wing plate are arranged at the block that binds, without broken,
It can reuse；
Further, the present invention adopts the following technical solutions:
It is a kind of in the shrinkable section of jurisdiction that tunnel internal is removed, including the adjacent multiple standards for being surrounded by arcuate structure
An adjacent block is close at block, arcuate structure both ends, and the block that binds is arranged between adjacent block, and calibrated bolck, adjacent block and the block that binds are constituted
It is columnar structured；
The block two sides of binding have movable wing plate, and extensible member, the extensible member and work are arranged inside the block that binds
Dynamic wing plate connection, extensible member can drive movable wing plate rotation or mobile to hold out against adjacent block.
Further, the extensible member includes barrel, and both ends are connect with screw rod in the barrel, screw rod end and work
Dynamic wing plate connection.
Further, the barrel both ends are cooperatively connected nut.
Further, with central cavity so that extensible member passes through, block two sides setting of binding can accommodate the block that binds
The gap of movable wing plate.
Further, the movable wing plate one end and the block that binds are hinged, and the other end is hanging and is nested in block side of binding
Portion, movable wing plate is vertical in a contracted state for extensible member.
Further, it is connected between the screw rod and movable wing plate by bearing.
Alternatively, the movable wing plate both ends are vacantly nested in block side of binding, between the movable wing plate and screw rod
It is fixedly connected.
Further, the movable wing plate setting is multiple, and multiple movable wing plate parallel interval set distances, which are set to, to bind
Block side.
Further, extensible member setting is multiple, and multiple extensible members are arranged in parallel, extensible member it is arc-shaped and with
The block that binds is parallel, and movable wing plate is arranged radially along the block that binds.
For overcome the deficiencies in the prior art, the present invention provides a kind of in the shrinkable section of jurisdiction that tunnel internal is removed
Construction method, comprising the following steps:
Shield machine driving, assembled calibrated bolck forms arcuate structure, in arcuate structure both ends assembly adjacent block；
It is built into the block that binds in the gap of adjacent block, extends extensible member, movable wing plate is driven to hold out against in adjacent block side
Extensible member is fixed in face；
It will abut against block and the block that binds fixed by connector；It is tunneled with shield machine and repeats the next endless tube piece of above step splicing
Until assembled complete.
Further, it when section of jurisdiction is dismantled, follows the steps below:
Section of jurisdiction is withstood using jack, removes connector, operation extensible member makes its retraction, and movable wing plate is by holding out against adjoining
Block is retracted to reset condition, and the block that will bind takes out；Jack is recycled successively to remove link block and calibrated bolck；Repeat the above step
Suddenly, until disassembly is completed.
Compared with prior art, the beneficial effects of the present invention are:
The present invention replaces conventional concrete pipe sheet using the mobilizable steel pipe sheet of wing plate, does not change other conventional sections of jurisdiction
In the case of realize section of jurisdiction can be from the purpose of internal not damaged dismounting.It is no different when installing with normal pipe sheet assembling, and steel pipe
The quality of piece is lighter than concrete pipe sheet, install it is more convenient, when removing, need to only unscrew barrel, withdraw screw rod, wing plate follows screw rod
It shrinks, steel pipe sheet can be fallen vertically by domain section of jurisdiction most narrow local (inner diameter edge) and be taken out, then can be according to erection sequence
Successively remove domain section of jurisdiction.
The present invention can form the work surface that multiple sections of jurisdiction are removed in the tunnel of long range section of jurisdiction, save the whole of section of jurisdiction dismounting
The body time, efficiency is improved, saves the duration.And whole process is not necessarily to broken section of jurisdiction, cyclic utilization rate 100%.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is a ring pipe sheet assembling schematic diagram；
Fig. 2 is polycyclic pipe sheet assembling into tunnel schematic diagram；
Fig. 3 is sectional view of the conventional section of jurisdiction among domain section of jurisdiction；
Fig. 4 is the elevational schematic view of the conventional block that binds；
Fig. 5 is the floor map of the conventional block that binds；
Fig. 6 is the elevational schematic view of adjacent block；
Fig. 7 is the floor map of adjacent block；
Fig. 8 is the floor map of the block of the invention that binds；
Fig. 9 be the present invention bind block wing plate rotate partial enlargement diagram；
Figure 10 is the extensible member schematic diagram that the present invention binds in block；
Figure 11 is after wing plate is shunk, and the block that binds takes out schematic diagram；
Figure 12 is that another kind of the present invention binds the floor map of block；
Figure 13 is that another kind of the present invention binds the elevational schematic view of block；
Figure 14 be wing plate shrink after, another kind of the present invention bind block take out schematic diagram；
In figure, 1 is the conventional block that binds, and 2 be adjacent block, and 3 be calibrated bolck, and 4 be the block that binds, and 5 be movable wing plate, and 6 be flexible
Component, 6-1 are screw rods, and 6-2 is barrel, and 6-3 is nut, and 7 be bearing, and 8 be the block that binds, and 9 be movable wing plate, and 10 be pars contractilis
Part.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As background technique is introduced, shield duct piece exists in the prior art and removes that difficult and what can not be reused asks
Topic, in order to solve technical problem as above, present applicant proposes a kind of in the shrinkable section of jurisdiction that tunnel internal is removed and applying
Work method is particularly suitable for shield sky and pushes through station or when passing through Tunneling by mining method, need to be in tunnel when not having working space outside tunnel
Remove section of jurisdiction in inside.In the case where making full use of universal conventional tube sheet form, a block concrete section of jurisdiction is replaced using prefabricated steel pipe sheet
(bind block), it is ensured that domain section of jurisdiction can be repeatedly utilized so that after dismounting.
The section of jurisdiction of the application is the improvement done to existing tunnel section of jurisdiction, to solve the problems, such as that it removes difficult, existing tunnel
Road section of jurisdiction as shown in figs. 1-7, is made of three pieces of calibrated bolcks 3, adjacent block 2, the conventional block 1 that binds.
Embodiment 1:
In a kind of typical embodiment of the application, as illustrated in figs. 8-11, provide a kind of for being torn open in tunnel internal
The shrinkable section of jurisdiction removed, including the adjacent multiple calibrated bolcks 3 for being surrounded by arcuate structure, an adjacent block is close at arcuate structure both ends
2, setting is bound block 4 between adjacent block 2, and calibrated bolck 3, adjacent block 2 and the block 4 that binds constitute columnar structured；
4 two sides of block of binding have movable wing plate 5, and extensible member 6, extensible member 6 and movable wing are arranged inside the block 4 that binds
Plate 5 connects, and extensible member 6 can drive the rotation of movable wing plate 5 or mobile to hold out against adjacent block 2.
It section of jurisdiction of the present invention, will wherein K block concrete pipe on the basis of not changing existing shield assembled conventional section of jurisdiction method
Piece (bind block) is replaced with the block that binds with collapsible part, and the block that binds can be two flank of steel pipe sheet by the elongation of collapsible part
Plate applies prestressing force and has the function that fasten domain section of jurisdiction, and collapsible part release is shunk when dismounting, and the block that can will bind from inside takes
Out, and then domain section of jurisdiction is removed, keeps all sections of jurisdiction Ke Xunhuanliyong.
Extensible member 6 includes barrel 6-2, and both ends are connect with screw rod 6-1 in barrel 6-2, the end screw rod 6-1 and movable wing
Plate 5 connects.
The both ends barrel 6-2 mating connection nut 6-3.Nut 6-3 is tightened in the end barrel 6-2 can be with standing screw 6-
1 position.
The block that binds can use steel tunnel segment.
The block 4 that binds has central cavity so that extensible member 6 passes through, and 4 two sides of block setting of binding can accommodate movable wing plate 5
Gap.
5 one end of movable wing plate and the block 4 that binds are hinged, and the other end is hanging and is nested in 4 side of block of binding, extensible member
6 in a contracted state movable wing plate 5 it is vertical.
It is connected between screw rod 6-1 and movable wing plate 5 by bearing 7.Screw rod 6-1 and movable wing plate 5 are hinged, and screw rod 6-1 stretches
Length can drive movable wing plate 5 to rotate along with block bearing of binding, and then end face is bonded with adjacent block end face to hold out against adjacent block.
Movable wing plate 5 is arranged multiple, and multiple 5 parallel interval set distances of movable wing plate are set to 4 side of block of binding.
Embodiment 2:
As shown in figs. 12-14, in the present embodiment, the present embodiment movable wing plate 5 is no longer fixed with the block that binds, movable wing plate 5
Both ends are vacantly nested in 4 side of block of binding, and are fixedly connected between movable wing plate 5 and screw rod 6-1.
Extensible member 6 is arranged multiple, and multiple extensible members 6 are arranged in parallel, and extensible member 6 is arc-shaped and flat with the block 4 that binds
Row, on radial section, extensible member 6 is parallel with the upper and lower end face of block 4 of binding；Movable wing plate 5 is set along 4 radial direction of block that binds
It sets.In screw rod 6-1 telescopic process, movable wing plate 5, which expands outwardly, arcuately to be moved, and holds out against adjoining after being bonded with adjacent block end face
Block.
Other are same as Example 1.
In the typical embodiment of the another kind of the application, a kind of collapsible tube for removing in tunnel internal is provided
The construction method of piece, comprising the following steps:
Shield machine driving, assembled calibrated bolck forms arcuate structure, in arcuate structure both ends assembly adjacent block；
It is built into the block that binds in the gap of adjacent block, extends extensible member, movable wing plate is driven to hold out against in adjacent block side
Extensible member is fixed in face；
It will abut against block and the block that binds fixed by connector；It is tunneled with shield machine and repeats the next endless tube piece of above step splicing
Until assembled complete.
Further, it when section of jurisdiction is dismantled, follows the steps below:
Section of jurisdiction is withstood using jack, removes connector, operation extensible member makes its retraction, and movable wing plate is by holding out against adjoining
Block is retracted to reset condition, and the block that will bind takes out；Jack is recycled successively to remove link block and calibrated bolck；Repeat the above step
Suddenly, until disassembly is completed.
In order to enable those skilled in the art can clearly understand the technical solution of the application, below with reference to tool
The technical solution of the application is described in detail in the embodiment of body.
The step process of the scalable section of jurisdiction specific implementation of the application are as follows:
Step 1, shield machine installs other sections of jurisdiction other than the block that binds according to normal construction process；
Step 2, then the steel the made block that binds is installed to block position of binding by normal construction process, and turns envelope
The barrel of extensible member in jacking block makes screw rod that steel be pushed to bind block wing plates on two sides top to adjacent block side, then tightening nuts
Barrel both ends are withstood on to standing screw；
Step 3, as conventional section of jurisdiction reinforcing mode, bind block and adjacent block, shield machine are fixed using being bolted
It is normal promote with it is assembled, multiple positions installation steels are chosen in long range section and are bound block, process such as step 1~2；
Step 4, after whole section of section constructed shield machine receive after, since installation steel bind block position remove pipe
Piece, removal are used to connect the bolt of bind block and adjacent block, then unscrew the nut and barrel inside the block that binds, screw rod will be withstood on
The wing plate of adjacent block is retracted to vertical state；During dismounting, section of jurisdiction need to be supported with jack, prevent it from falling off；
Step 5, gradually steel pipe sheet is allowed to fall using jack, takes out from two adjacent block middle positions, is transported to by trolley
Hoisting port is hung out；
Step 6, after removal binds block, domain section of jurisdiction lacks hoop constraint, what removal adjacent block and calibrated bolck were connected and fixed
Bolt will abut against after block slides slightly up according to the process opposite with erection sequence and take out, is transported to hoisting port and hangs out；
Step 7, it likewise, the bolt being connected and fixed between removal calibrated bolck, finally removes calibrated bolck, and gradually removes neighbouring
Other rings section of jurisdiction.
Wherein, the bind crust of block of steel described in step 2 forms for welding steel, there is the spiral shell that can be stretched among it
Bar and barrel stretch out the screw rod of two sides symmetrically by turning barrel, postpone to fixed bit, then tighten to middle position
The nut tie down screw of two sides.Screw rod both ends connect mobilizable wing plate using bearing, and wing plate has at the block lower edge that binds
Bearing can rotate, and radius of turn is section of jurisdiction thickness (300mm), intersection point of the center of circle in wing plate and block inner side end end of binding
Place.In a contracted state, screw rod is received in barrel, and wing plate state in a vertical shape is taken out after can falling from adjacent block center vertical；
Under open configuration, wing plate is close to adjacent block, at this point, steel binds, block binds block-shaped identical with conventional concrete.
Particularly, it binds the fastness of block to increase steel, reduces rotatable bearing, the envelope of steel described in step 2
Using two rows of scalable screw rods and barrel in jacking block, using welding, the arc of two rows of screw rods and interior outside between screw rod and steel wing plate
The arc of steel plate is concentric circles, and the radius of turn of wing plate is identical with section of jurisdiction radius, the center of circle for domain section of jurisdiction the center of circle, where wing plate
Any state is the section that radius is prolonged in section of jurisdiction, it is ensured that wing plate keeps vertical angle not with screw rod always during rotation
Become.In a contracted state, screw rod is received in barrel, and the outer most edge and adjacent block outer most edge of wing plate are in same vertical plane, it is ensured that
Block that steel can bind under contraction state takes out；Under open configuration, turning two rows of barrels makes screw rod protruding, wing plate simultaneously
It is close to adjacent block, at this point, steel binds, block binds block-shaped identical with conventional concrete.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (9)
1. a kind of in the shrinkable section of jurisdiction that tunnel internal is removed, characterized in that be surrounded by the more of arcuate structure including adjoining
An adjacent block is close at a calibrated bolck, arcuate structure both ends, and setting is bound block between adjacent block, calibrated bolck, adjacent block and binds
Block constitutes columnar structured；
The block two sides of binding have movable wing plate, and extensible member, the extensible member and movable wing are arranged inside the block that binds
Plate connection, extensible member can drive movable wing plate rotation or mobile to hold out against adjacent block；
The extensible member includes barrel, and both ends are connect with screw rod in the barrel, and screw rod end is connect with movable wing plate；Institute
Barrel both ends are stated to be cooperatively connected nut.
2. shrinkable section of jurisdiction as described in claim 1, characterized in that the block that binds is with central cavity for extensible member
It passes through, block two sides setting of binding can accommodate the gap of movable wing plate.
3. shrinkable section of jurisdiction as described in claim 1, characterized in that the movable wing plate one end and the block that binds are hinged, separately
One end is hanging and is nested in block side of binding, and movable wing plate is vertical in a contracted state for extensible member.
4. shrinkable section of jurisdiction as described in claim 1, characterized in that connected between the screw rod and movable wing plate by bearing
It connects.
5. shrinkable section of jurisdiction as described in claim 1, characterized in that the movable wing plate both ends, which are vacantly nested in, binds
Block side is fixedly connected between the movable wing plate and screw rod.
6. shrinkable section of jurisdiction as described in claim 1, characterized in that multiple, multiple movable wing plates are arranged in the movable wing plate
Parallel interval set distance is set to block side of binding.
7. shrinkable section of jurisdiction as claimed in claim 5, characterized in that multiple, multiple extensible members are arranged in the extensible member
It is arranged in parallel, extensible member is arc-shaped and parallel with the block that binds, and movable wing plate is arranged radially along the block that binds.
8. such as the construction method of the described in any item shrinkable sections of jurisdiction claim 1-7, characterized in that the following steps are included:
Shield machine driving, assembled calibrated bolck forms arcuate structure, in arcuate structure both ends assembly adjacent block；
It is built into the block that binds in the gap of adjacent block, extends extensible member, movable wing plate is driven to hold out against in adjacent block side, it will
Extensible member is fixed；
It will abut against block and the block that binds fixed by connector；Tunneled with shield machine repeat above step splice next endless tube piece until
Assembly is completed.
9. construction method as claimed in claim 8, characterized in that when section of jurisdiction is dismantled, follow the steps below:
Section of jurisdiction is withstood using jack, removes connector, operation extensible member makes its retraction, and movable wing plate is received by holding out against adjacent block
It is back to reset condition, the block that will bind takes out；Jack is recycled successively to remove link block and calibrated bolck；Above step is repeated,
Until disassembly is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810157032.0A CN108547634B (en) | 2018-02-24 | 2018-02-24 | It is a kind of in the shrinkable section of jurisdiction that tunnel internal is removed and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810157032.0A CN108547634B (en) | 2018-02-24 | 2018-02-24 | It is a kind of in the shrinkable section of jurisdiction that tunnel internal is removed and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108547634A CN108547634A (en) | 2018-09-18 |
| CN108547634B true CN108547634B (en) | 2019-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810157032.0A Active CN108547634B (en) | 2018-02-24 | 2018-02-24 | It is a kind of in the shrinkable section of jurisdiction that tunnel internal is removed and construction method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667600B (en) * | 2018-12-28 | 2020-02-21 | 贵州大学 | Tunnel segment demolishs with hole enlargement device |
| CN111963199A (en) * | 2020-08-13 | 2020-11-20 | 浙大城市学院 | Segment structure of concave-convex shield tunnel and transverse staggered segment splicing method |
| CN112983475B (en) * | 2021-04-22 | 2022-07-29 | 中国铁建重工集团股份有限公司 | Small-diameter shield segment quick unloading device |
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|---|---|---|---|---|
| JPH09150413A (en) * | 1995-11-30 | 1997-06-10 | Shinkai Kogyo Kk | Form for placing precast concrete |
| JPH11107689A (en) * | 1997-09-30 | 1999-04-20 | Kubota Corp | Connecting section of segment for tunnel |
| JP3721480B2 (en) * | 1997-03-13 | 2005-11-30 | 大成建設株式会社 | Expansion / contraction segment for tunnel construction and its use |
| JP2008169550A (en) * | 2007-01-09 | 2008-07-24 | Hazama Corp | Widening structure of shield tunnel, shield tunnel segment, and widening method for shield tunnel |
| EP2230380A2 (en) * | 2009-03-19 | 2010-09-22 | Herrenknecht AG | Reinforcement segment, reinforcement segment assemblies and cavity lining |
| CN203335090U (en) * | 2013-07-10 | 2013-12-11 | 广州地铁设计研究院有限公司 | Shield segment |
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2018
- 2018-02-24 CN CN201810157032.0A patent/CN108547634B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09150413A (en) * | 1995-11-30 | 1997-06-10 | Shinkai Kogyo Kk | Form for placing precast concrete |
| JP3721480B2 (en) * | 1997-03-13 | 2005-11-30 | 大成建設株式会社 | Expansion / contraction segment for tunnel construction and its use |
| JPH11107689A (en) * | 1997-09-30 | 1999-04-20 | Kubota Corp | Connecting section of segment for tunnel |
| JP2008169550A (en) * | 2007-01-09 | 2008-07-24 | Hazama Corp | Widening structure of shield tunnel, shield tunnel segment, and widening method for shield tunnel |
| EP2230380A2 (en) * | 2009-03-19 | 2010-09-22 | Herrenknecht AG | Reinforcement segment, reinforcement segment assemblies and cavity lining |
| CN203335090U (en) * | 2013-07-10 | 2013-12-11 | 广州地铁设计研究院有限公司 | Shield segment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108547634A (en) | 2018-09-18 |
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