EP3626931B1 - Movable shove frame structure, device for starting tunnels and method for starting the construction of tunnels - Google Patents
Movable shove frame structure, device for starting tunnels and method for starting the construction of tunnels Download PDFInfo
- Publication number
- EP3626931B1 EP3626931B1 EP18196174.9A EP18196174A EP3626931B1 EP 3626931 B1 EP3626931 B1 EP 3626931B1 EP 18196174 A EP18196174 A EP 18196174A EP 3626931 B1 EP3626931 B1 EP 3626931B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shove
- frame structure
- frame
- movable
- tunnels
- 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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- 238000000034 method Methods 0.000 title claims description 14
- 238000010276 construction Methods 0.000 title claims description 7
- 238000004873 anchoring Methods 0.000 claims description 16
- 238000009412 basement excavation Methods 0.000 description 4
- 238000009933 burial Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D9/005—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by forcing prefabricated elements through the ground, e.g. by pushing lining from an access pit
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D9/0621—Shield advancing devices
Definitions
- This invention relates to a movable shove frame structure and a device for starting tunnels that comprises a movable shove frame structure.
- the invention also relates to a method for starting the construction of tunnels, that uses the device for starting tunnels.
- Mechanised tunneling are all the tunneling techniques in which excavation is performed mechanically, for instance with the use of a tunnel boring machine (TBM).
- TBM tunnel boring machine
- tunnel boring machines comprising a cutter head fitted to a shield body to power the excavation advancement and erect a tunnel lining to construct a tunnel.
- shove rings are also required to facilitate TBM launch and burial, the shove rings also requiring additional temporary works to support them. All of this constitutes an impediment and means extended durations within the restricted confines of a shaft or a chamber.
- EP 1650402 A1 referred to a "Method and apparatus for making tunnels by means of shield advancement" describes a method for shield approach for the manufacture of tunnel tubes by means of shield driving, whereby a tunnel boring machine is advanced through a transit opening of a driving wall, whereby the tractive forces of the tunnel boring machine during the heading are initiated in a thrust ring arranged behind the tunnel boring machine, of which the thrust ring is connected to the driving wall via tractive force transferring connecting elements and whereby the thrust ring is advanced by means of advancing elements arranged on the tractive force transferring connecting elements.
- This document also refers to an apparatus for shield approach for the manufacture of tunnel tubes by means of shield driving, whereby a tunnel boring machine is envisaged for the advancement through a transit opening of a driving wall, whereby a thrust ring is envisaged in which the approach forces of the tunnel boring machine are initiated during the heading, whereby the thrust ring is connected to the driving wall via tractive force transferring connecting elements and whereby the thrust ring is advanced by means of advancing elements arranged on the tractive force transferring connecting elements.
- EP 1650402 A1 allows a particular method and apparatus for making tunnels using a "movable" shove frame with advantages over the prior art standard “static" frames, the main concept being the utilization of the TBM propulsion cylinders to index forward the shove frame in a sequenced manner to aid TBM burial/launch.
- it still presents a series of disadvantages. For instance, it uses cable pulling techniques and a modified headwall to incrementally pull the shove frame forward.
- the tractive force transferring connecting elements for instance, in the form of threaded rods
- into a substantial chamber or shaft wall load bearing may be at risk of breakage, which can be a risk of accident for the people involved in the operations.
- a homogeneous thrust is also difficult to achieve and alignment could deviate.
- JP H1130091 A referred to a "transferable back anchor device and shield departure method by use thereof” allows to dispense with temporarily assembling segments required in conventional methods to increase the working efficiency in the initial excavation and to reduce the cost and increase the safety and further, to make the shaft size small.
- the transferable back anchor is attached to the rear side of a shield machine in a departure shaft to follow the advancing shield machine and support the reactive force against the thrust at every advancing step of the shielding machine.
- the back anchor is constituted of a frame-shaped back anchor body provided with grippers which are freely stuck with pressure on the side wall of the shaft at both right and left sides and a press ring integrally provided at the shield machine side face of the back anchor body to receive the reactive force against the thrust from the shield machine.
- JP H06173579 A makes it possible to shorten construction period at site by a method wherein welding of a reaction force receiving plate at the time of forward movement of a shield machine and cutting of the reaction receiving plate after the forward movement thereof is not needed.
- a shield machine is supported by a guide member of a start frame so as to be movable in a direction of a cutting face, while a reaction force receiving base is mounted on a supporter member for setting the base of the frame and the base is releasably fixed to a shield jack placed in the body of the machine, and thereafter a pivoting claw is pivoted in the direction of the member to hold the member from both sides thereof, thereby fixing the base to the member.
- the jack of the machine is actuated to allow the machine to slide over the member, thereby causing the machine to move by one stroke in the direction of the facing, following which the claw is pivoted in a direction opposite to the member to release the base from the member and thereafter the jack is actuated in a contraction direction thereof to move the base by one stroke in the direction of the facing, and then the machine is moved in the direction of the facing in a similar manner.
- the object of the present invention is to provide a movable shove frame structure that avoids the mentioned drawbacks.
- the invention provides a movable shove frame structure, comprising:
- the invention also provides a device for starting tunnels comprising a movable shove frame structure of the invention and a tunnel boring machine that comprises several thrust cylinders that can be extended and retracted, wherein the thrust cylinders are attached to the shove ring of the movable shove frame structure by pulling means.
- the invention also provides a method for starting the construction of tunnels, that uses a device for starting tunnels of the invention, that comprises the following steps:
- the invention allows a device and a method for starting the constructions of tunnels which provides safety benefits, less activities, reduced durations and cost savings.
- Other characteristics and advantages of the present invention will be clear from the following detailed description of several embodiments illustrative of its object in relation to the attached figures.
- Figures 1 and 4 show the moveable shove frame structure 1 of the invention connected to a tunnel boring machine 11. These Figures 1 and 4 also show the wall 9 to be excavated.
- the TBM shield body comprises several thrust cylinders 12 that can be extended and retracted.
- the movable shove frame structure 1 comprises:
- the shove frame 2 also comprises a number of steel beams, apart from the support legs 3 to be anchored to the floor 8.
- the shove frame structure 1 may comprise two parallel lateral support legs 3.
- Figure 2A corresponds to section A-A of Figure 1 and shows the elements of the shove frame 2.
- Figure 3 corresponds to section B-B of Figure 1 and shows the cross section of the TBM 11. It also shows a cradle table 15 (preferably made of steel) on which the TBM 11 is placed.
- FIG. 2A The detail A in Figure 2A is enlarged in Figure 2B .
- FIG. 2B it can be seen that the parallel support legs 3 of the shove frame 2 can be attached to the floor 8.
- a gliding element 6 is placed under each lateral support leg 3 of the shove frame 2 (in Figure 2B , it is a U-shaped sliding channel).
- the gliding element 6 will have predefined anchoring points corresponding to the design and manufactured anchoring positions where the removable fixing means 7 can be placed, as can be seen in Figures 1 and 4 .
- the removable fixing means 7 may be, for instance, fixing bolts on cast in situ reaction sockets 14 within the structure floor 8.
- Figures 5A and 5B show respectively a front view and a side view of the shove ring 4 of the shove frame structure 1.
- Figure 7 shows an enlarged view of detail B of Figures 1 and 4 , and it represents the attachment between a thrust cylinder 12 of the TBM 11 and the shove ring 4 of the shove frame structure 1.
- the thrust cylinders 12 are attached to the shove ring 4 by pulling means 13 (for instance, chains, as represented in Fig. 7 ).
- Other suitable pulling means 13 can be any other kind of connection between two elements like a welding or a bolted joint.
- the thrust cylinders 12 are placed in the periphery of the TBM 11 (as shown in Figure 3 ), and are arranged circumferentially and evenly spaced from each other.
- the device of the invention is suitable for carrying out the method for starting tunnels that will be described next.
- the method for starting the construction of tunnels according to the invention comprises the following steps:
- the final step allows to absorb the thrust force during excavation under the pressure of reinforcement of the anchoring of the shove frame 2 to the floor.
- the distance d that the TBM 11 advances in each cycle of steps d) to g) can be predefined and will depend on the ring design length and associated thrust cylinders elongation. As an example, it can be comprised between 1,5 m and 2 m.
- Figures 8A and 8B correspond to a first advancement or pushing step in which the TBM 11 is pushed forwards a distance d
- Figures 10A and 10B correspond to a second advancement or pushing step in which the TBM 11 is pushed forwards a distance d.
- Figures 9A and 9B correspond to a first pulling step in which the shove frame structure 1 is pushed forwards a distance d
- Figures 11A and 11B correspond to a second pulling step in which the shove frame structure 1 is pushed forwards a distance d.
- FIGS. 12A and 12B show the shove ring 4 in its final position
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Description
- This invention relates to a movable shove frame structure and a device for starting tunnels that comprises a movable shove frame structure. The invention also relates to a method for starting the construction of tunnels, that uses the device for starting tunnels.
- In particular it refers to the launch, shove and initial burial of the tunnel boring machine.
- Mechanised tunneling are all the tunneling techniques in which excavation is performed mechanically, for instance with the use of a tunnel boring machine (TBM).
- Currently it is common to use tunnel boring machines comprising a cutter head fitted to a shield body to power the excavation advancement and erect a tunnel lining to construct a tunnel.
- Most of current shove frames for TBM launches are static rear braced heavy sectioned substantial steel works, and it takes a long time to install the associated base slab and frame amendments. Temporary precast "shove rings" are also required to facilitate TBM launch and burial, the shove rings also requiring additional temporary works to support them. All of this constitutes an impediment and means extended durations within the restricted confines of a shaft or a chamber.
-
EP 1650402 A1 , referred to a "Method and apparatus for making tunnels by means of shield advancement", describes a method for shield approach for the manufacture of tunnel tubes by means of shield driving, whereby a tunnel boring machine is advanced through a transit opening of a driving wall, whereby the tractive forces of the tunnel boring machine during the heading are initiated in a thrust ring arranged behind the tunnel boring machine, of which the thrust ring is connected to the driving wall via tractive force transferring connecting elements and whereby the thrust ring is advanced by means of advancing elements arranged on the tractive force transferring connecting elements. This document also refers to an apparatus for shield approach for the manufacture of tunnel tubes by means of shield driving, whereby a tunnel boring machine is envisaged for the advancement through a transit opening of a driving wall, whereby a thrust ring is envisaged in which the approach forces of the tunnel boring machine are initiated during the heading, whereby the thrust ring is connected to the driving wall via tractive force transferring connecting elements and whereby the thrust ring is advanced by means of advancing elements arranged on the tractive force transferring connecting elements. -
EP 1650402 A1 allows a particular method and apparatus for making tunnels using a "movable" shove frame with advantages over the prior art standard "static" frames, the main concept being the utilization of the TBM propulsion cylinders to index forward the shove frame in a sequenced manner to aid TBM burial/launch. However, it still presents a series of disadvantages. For instance, it uses cable pulling techniques and a modified headwall to incrementally pull the shove frame forward. The tractive force transferring connecting elements (for instance, in the form of threaded rods) into a substantial chamber or shaft wall load bearing may be at risk of breakage, which can be a risk of accident for the people involved in the operations. In addition to this a homogeneous thrust is also difficult to achieve and alignment could deviate. -
JP H1130091 A -
JP H06173579 A - Accordingly, the object of the present invention is to provide a movable shove frame structure that avoids the mentioned drawbacks.
- The invention provides a movable shove frame structure, comprising:
- a shove frame that comprises support legs,
- a shove ring and
- a thrust ring placed between the shove frame and the shove ring,
- The invention also provides a device for starting tunnels comprising a movable shove frame structure of the invention and a tunnel boring machine that comprises several thrust cylinders that can be extended and retracted, wherein the thrust cylinders are attached to the shove ring of the movable shove frame structure by pulling means.
- The invention also provides a method for starting the construction of tunnels, that uses a device for starting tunnels of the invention, that comprises the following steps:
- a) placement of the assembled tunnel boring machine in the starting position,
- b) placement of the assembled shove frame structure and anchoring the shove frame structure to the floor with removable fixing means,
- c) connection of the thrust cylinders of the tunnel boring machine to the shove ring by pulling means,
- d) the thrust cylinders of the tunnel boring machine are extended, pushing against the shove frame structure and making the tunnel boring machine advance a distance into the wall that coincides with the extension of the thrust cylinders,
- e) the fixing means anchoring the shove frame structure to the floor are released,
- f) the thrust cylinders are retracted and the pulling means between the thrust cylinders of the tunnel boring machine and the shove ring pull the shove frame structure the distance corresponding to the advance of the thrust cylinders, such that the shove frame structure remains on the next anchoring position,
- g) the shove frame structure is anchored to the floor with the removable fixing means,
- h) repetition of the cycle of steps d) to g) several times until the shove frame structure reaches the shaft wall to allow commencement of the first permanent tunnel lining, and
- i) final and reinforced anchoring of the shove frame to the floor.
- The invention also provides several advantages with respect to the prior art:
- It removes the current impediments of chamber restrictions.
- It eliminates the requirement of having temporary shove rings and associated temporary works support.
- It simplifies temporary works and reduces launch duration.
- It reduces entrapment possibilities.
- It eliminates the tasks of extensive chamber modifications after TBM burial.
- It eliminates the latter removal of temporary shove rings.
- It eliminates the requirement to relocate tunnel services associated with traditional temporary shove rings.
- Accordingly, the invention allows a device and a method for starting the constructions of tunnels which provides safety benefits, less activities, reduced durations and cost savings. Other characteristics and advantages of the present invention will be clear from the following detailed description of several embodiments illustrative of its object in relation to the attached figures.
-
-
Figure 1 is a plan view of the device of the invention comprising a tunnel boring machine and a movable shove frame structure and the wall to be excavated. -
Figure 2A shows section A-A ofFig.1 . -
Figure 2B shows detail A ofFigure 2A . -
Figure 3 shows section B-B ofFig.1 . -
Figure 4 shows section C-C ofFig. 1 . -
Figure 5A shows a front view of the shove ring of the shove frame structure. -
Figure 5B shows a side view of the shove ring of the shove frame structure. -
Figure 6 shows an enlarged view of detail A' ofFig. 5A . -
Figure 7 shows an enlarged view of detail B ofFigures 1 and 4 . -
Figure 8A shows a plan view of the device of the invention, once the TBM has been pushed forward for the first time. -
Figure 8B shows section A-A ofFig. 8A . -
Figure 9A shows a plan view of the device for making tunnels of the invention, once the shove frame assembly has been pushed forward for the first time. -
Figure 9B shows section E-E ofFig. 9A . -
Figure 10A shows a plan view of the device for making tunnels of the invention, once the TBM has been pushed forward for the second time. -
Figure 10B shows section E-E ofFig. 10A . -
Figure 11A shows a plan view of the device for making tunnels of the invention, once the shove frame structure has been pushed forward for the second time. -
Figure 11B shows section E-E ofFig. 11A . -
Figure 12A shows a plan view of the device for making tunnels of the invention, once the shove frame structure has been pushed forward to reach the shaft wall. -
Figure 12B shows section E-E ofFig. 12A . -
Figures 1 and 4 show the moveableshove frame structure 1 of the invention connected to atunnel boring machine 11. TheseFigures 1 and 4 also show thewall 9 to be excavated. - The TBM shield body comprises
several thrust cylinders 12 that can be extended and retracted. - The movable
shove frame structure 1 comprises: - a
shove frame 2 that comprisessupport legs 3, - a
shove ring 4, - a
thrust ring 5 placed between theshove frame 2 and theshove ring 4, - a
gliding element 6 under eachsupport leg 3 of theshove frame 2, and - removable fixing means 7 to anchor the
support legs 3 to thefloor 8. - The
shove frame 2 also comprises a number of steel beams, apart from thesupport legs 3 to be anchored to thefloor 8. - In
Figure 1 it can be seen that theshove frame structure 1 may comprise two parallellateral support legs 3. -
Figure 2A corresponds to section A-A ofFigure 1 and shows the elements of theshove frame 2.Figure 3 corresponds to section B-B ofFigure 1 and shows the cross section of theTBM 11. It also shows a cradle table 15 (preferably made of steel) on which theTBM 11 is placed. - The detail A in
Figure 2A is enlarged inFigure 2B . In thisFigure 2B it can be seen that theparallel support legs 3 of theshove frame 2 can be attached to thefloor 8. Agliding element 6 is placed under eachlateral support leg 3 of the shove frame 2 (inFigure 2B , it is a U-shaped sliding channel). - The
gliding element 6 will have predefined anchoring points corresponding to the design and manufactured anchoring positions where the removable fixing means 7 can be placed, as can be seen inFigures 1 and 4 . - The removable fixing means 7 may be, for instance, fixing bolts on cast in
situ reaction sockets 14 within thestructure floor 8. -
Figures 5A and 5B show respectively a front view and a side view of theshove ring 4 of theshove frame structure 1. -
Figure 7 shows an enlarged view of detail B ofFigures 1 and 4 , and it represents the attachment between athrust cylinder 12 of theTBM 11 and theshove ring 4 of theshove frame structure 1. Thethrust cylinders 12 are attached to theshove ring 4 by pulling means 13 (for instance, chains, as represented inFig. 7 ). Other suitable pulling means 13 can be any other kind of connection between two elements like a welding or a bolted joint. - As for the
thrust cylinders 12, they are placed in the periphery of the TBM 11 (as shown inFigure 3 ), and are arranged circumferentially and evenly spaced from each other. - The device of the invention is suitable for carrying out the method for starting tunnels that will be described next.
- The method for starting the construction of tunnels according to the invention comprises the following steps:
- Starting position (
Figures 1 and 4 ):- a) placement of the assembled
tunnel boring machine 11 in the starting position, - b) placement of the assembled
shove frame structure 1 and anchoring theshove frame structure 1 to thefloor 8 with removable fixing means 7, - c) connection of the
thrust cylinders 12 of thetunnel boring machine 11 to theshove ring 4 by pullingmeans 13,
- a) placement of the assembled
- Advancement step (
Figures 8A and 8B ):
d) thethrust cylinders 12 of thetunnel boring machine 11 are extended, pushing against theshove frame structure 1 and making thetunnel boring machine 11 advance a distance into thewall 9 that coincides with the extension of thethrust cylinders 12, - Pulling steps (
Figures 9A and 9B ):- e) the fixing means 7 anchoring the
shove frame structure 1 to thefloor 8 are released, - f) the
thrust cylinders 12 are retracted and the pulling means 13 between thethrust cylinders 12 of the tunnel boring machine and theshove ring 4 pull theshove frame structure 1 the distance corresponding to the advance of thethrust cylinders 12, such that theshove frame structure 1 remains on the next anchoring position, - g) the
shove frame 2 is anchored to thefloor 8 with the removable fixing means 7,
- e) the fixing means 7 anchoring the
- Cyclical repetition of advancement and pulling steps (
Figures 10A, 10B ,11A, 11B ,12A and 12B ):
h) repetition of the cycle of steps d) to g) several times until theshove frame structure 1 reaches the shaft wall to allow commencement of the first permanent tunnel lining, and - Final step (
Figures 12A and 12B ):
i) final and reinforced anchoring of theshove frame 2 to thefloor 8. - The final step allows to absorb the thrust force during excavation under the pressure of reinforcement of the anchoring of the
shove frame 2 to the floor. - The distance d that the
TBM 11 advances in each cycle of steps d) to g) can be predefined and will depend on the ring design length and associated thrust cylinders elongation. As an example, it can be comprised between 1,5 m and 2 m. - In
Figures 9A and 9B the fixing bolts are refixed into the next set of pre-drilled throughholes 10 of thegliding element 6 once theshove frame structure 1 is pushed forward the predefined distance. -
Figures 8A and 8B correspond to a first advancement or pushing step in which theTBM 11 is pushed forwards a distance d, andFigures 10A and 10B correspond to a second advancement or pushing step in which theTBM 11 is pushed forwards a distance d. -
Figures 9A and 9B correspond to a first pulling step in which theshove frame structure 1 is pushed forwards a distance d, andFigures 11A and 11B correspond to a second pulling step in which theshove frame structure 1 is pushed forwards a distance d. - As previously indicated, there is a cyclical repetition of pushing and pulling steps, until the
shove frame structure 1 reaches the shaft wall.Figures 12A and 12B show theshove ring 4 in its final position - In the final position of the device the redundant
excess gliding element 6 can be removed. - Although the present invention has been fully described in connection with preferred embodiments, it is evident that modifications may be introduced within the scope thereof, not considering this as limited by these embodiments, but by the contents of the following claims.
Claims (8)
- Movable shove frame structure (1), comprising:- a shove frame (2) that comprises support legs (3),- a shove ring (4) and- a thrust ring (5) placed between the shove frame (2) and the shove ring (4), and- a gliding element (6) under each support leg (3) of the shove frame (2)characterized in that it additionally comprises removable fixing means (7) to anchor the support legs (3) to the floor (8).
- Movable shove frame structure (1) according to claim 1, wherein the gliding elements (6) are channels.
- Movable shove frame structure (1) according to claim 1 or 2, wherein the shove frame (2) comprises two parallel lateral support legs (3).
- Movable shove frame structure (1), according to any of the previous claims, wherein the gliding elements (6) comprise several through holes (10) corresponding to the anchoring positions.
- Movable shove frame structure (1), according to any of the previous claims, wherein the removable fixing means (7) to anchor the support legs (3) to the floor (8) are bolts.
- Device for starting tunnels, comprising a movable shove frame structure (1) of any of claims 1 to 5 and a tunnel boring machine (11) that comprises several thrust cylinders (12) that can be extended and retracted, wherein the thrust cylinders (12) are attached to the shove ring (4) of the movable shove frame structure (1) by pulling means (13).
- Device for starting tunnels, according to claim 6, wherein the pulling means (13) are chains.
- Method for starting the construction of tunnels, that uses a device for starting tunnels of claims 6 or 7, that comprises the following steps:a) placement of the assembled tunnel boring machine (11) in the starting position,b) placement of the assembled shove frame structure (1) and anchoring the shove frame structure (1) to the floor (8) with removable fixing means (7),c) connection of the thrust cylinders (12) of the tunnel boring machine (11) to the shove ring (4) by pulling means (13),d) the thrust cylinders (12) of the tunnel boring machine (11) are extended, pushing against the shove frame structure (1) and making the tunnel boring machine (11) advance a distance into the wall (9) that coincides with the extension of the thrust cylinders (12),e) the fixing means (7) anchoring the shove frame structure (1) to the floor (8) are released,f) the thrust cylinders (12) are retracted and the pulling means (13) between the thrust cylinders (12) of the tunnel boring machine (11) and the shove ring (4) pull the shove frame structure (1) the distance corresponding to the advance of the thrust cylinders (12), such that the shove frame structure (1) remains on the next anchoring position,g) the shove frame (2) is anchored to the floor (8) with the removable fixing means (7),h) repetition of the cycle of steps d) to g) several times until the shove frame structure (1) reaches the shaft wall to allow commencement of the first permanent tunnel lining, andi) final and reinforced anchoring of the shove frame (2) to the floor (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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EP18196174.9A EP3626931B1 (en) | 2018-09-24 | 2018-09-24 | Movable shove frame structure, device for starting tunnels and method for starting the construction of tunnels |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP18196174.9A EP3626931B1 (en) | 2018-09-24 | 2018-09-24 | Movable shove frame structure, device for starting tunnels and method for starting the construction of tunnels |
Publications (2)
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EP3626931A1 EP3626931A1 (en) | 2020-03-25 |
EP3626931B1 true EP3626931B1 (en) | 2023-06-07 |
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EP18196174.9A Active EP3626931B1 (en) | 2018-09-24 | 2018-09-24 | Movable shove frame structure, device for starting tunnels and method for starting the construction of tunnels |
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EP (1) | EP3626931B1 (en) |
Families Citing this family (2)
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CN111456745A (en) * | 2020-04-10 | 2020-07-28 | 齐鲁交通发展集团有限公司 | Dragging device and dragging method for shield host in tunnel |
CN112832786A (en) * | 2021-03-04 | 2021-05-25 | 北京市政建设集团有限责任公司 | Reaction frame |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH06173579A (en) * | 1992-12-03 | 1994-06-21 | Mitsubishi Heavy Ind Ltd | Forward movement reaction force receiving device for shield machine |
JP3821919B2 (en) * | 1997-07-10 | 2006-09-13 | 佐藤工業株式会社 | Mobile back anchor device and shield start method using the same |
DE502004006326D1 (en) | 2004-10-20 | 2008-04-10 | Hochtief Construction Ag | Shield approach method and apparatus for making tunnel tubes by shield propulsion |
CN207513606U (en) * | 2017-12-01 | 2018-06-19 | 粤水电轨道交通建设有限公司 | A kind of counterforce device for shield launching |
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2018
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