EP4209656B1 - Dispositif modulaire de coffrage de tunnel - Google Patents

Dispositif modulaire de coffrage de tunnel Download PDF

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Publication number
EP4209656B1
EP4209656B1 EP22152345.9A EP22152345A EP4209656B1 EP 4209656 B1 EP4209656 B1 EP 4209656B1 EP 22152345 A EP22152345 A EP 22152345A EP 4209656 B1 EP4209656 B1 EP 4209656B1
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EP
European Patent Office
Prior art keywords
frame
tunnel formwork
tunnel
formwork device
support
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EP22152345.9A
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German (de)
English (en)
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EP4209656A1 (fr
Inventor
Reiner Kern
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Kern Tunneltechnik SA
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Kern Tunneltechnik SA
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Priority to US18/062,199 priority Critical patent/US20230220773A1/en
Publication of EP4209656A1 publication Critical patent/EP4209656A1/fr
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—Lining with building materials
    • E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
    • E21D11/102—Removable shuttering; Bearing or supporting devices therefor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—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
    • E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete

Definitions

  • the invention relates to a modular tunnel formwork device for concrete lining CN 107 965 337 A discloses a tunnel formwork device.
  • the tunnel formwork is supported by a frame of the tunnel formwork device via hydraulic support cylinders. Checking the exact alignment and control of the support cylinders and checking the exact fit of the tunnel formwork is sometimes difficult due to the cramped conditions in the tunnel.
  • the tunnel formwork device contains a frame and at least two support structures which can be connected to the frame and are spaced apart from one another in the longitudinal direction of the tunnel formwork device for supporting the frame on a tunnel floor.
  • the frame carries at least two hydraulic support cylinders at at least two positions spaced apart in the longitudinal direction, which can be connected to longitudinal beams running in the longitudinal direction, which in turn carry tunnel formwork elements of the tunnel formwork device.
  • a lifting device is arranged on the frame, preferably at at least one end of the frame, which carries a work platform, the lifting device having a lifting drive, at least for the height-adjustable movement of the work platform relative to the frame, but preferably also for lateral movement relative to it Frame.
  • the tunnel formwork device itself to check the correct setting of components, such as the hydraulic support cylinders, the correct position of the longitudinal beams and the tunnel formwork elements, and thus to ensure the quality of the formwork process. From the work platform, even light work can be carried out on the tunnel wall, for example to fasten components of the tunnel formwork device. If the work platform is located at the end of the frame, the entire Working area of the tunnel formwork device can be moved more easily without the movement of the working platform being affected by the frame of the tunnel formwork device and / or its components.
  • the lifting device is also designed for horizontal movement of the working platform relative to the frame.
  • the working platform can cover the entire effective range of the tunnel formwork device up to the tunnel walls and ceiling in order to check and, if necessary, manually correct or repair components of the tunnel formwork device, such as the support cylinders, the longitudinal beams, the tunnel formwork elements, or the To enable connections for the concrete pumps.
  • the at least one working platform is carried on the end modules of the frame in a height-adjustable and/or laterally adjustable manner via the hydraulic lifting device.
  • this at least one movable work platform helps with the positioning of the tunnel formwork elements and with maintenance or assembly work.
  • the lifting devices can preferably be controlled via a/the common control arrangement of the tunnel formwork device or separately via controls of the work platforms.
  • the lifting drive is preferably designed as an electric or hydraulic drive, which works reliably in the dirty construction site area of a tunnel and can apply high forces so that several workers and tools can be transported on the work platform.
  • the lifting device comprises two support arms which are pivotally connected to one another. In this way, a large working area of the working platform is achieved over the entire tunnel cross-section, at least above the frame.
  • the work area of a work platform preferably extends over at least half of the tunnel cross section, at least above the frame.
  • the support arms are preferably pivotally connected to both the frame and the work platform in order to ensure a wide working area with the work platform aligned exactly horizontally.
  • the support arms are preferably driven to be pivotable relative to the frame and to one another via hydraulic cylinders of the lifting drive, which is less susceptible to contamination on the drive side and also provides the necessary forces for moving the work platform.
  • At least one work platform is arranged at each longitudinal end of the frame, which has the advantage that the tunnel formwork can be inspected at both ends of the tunnel formwork device.
  • Two work platforms are preferably arranged at at least one longitudinal end of the frame, each of which covers half of the tunnel cross section in its working or adjustment area. In this way, the working area of the work platform is not affected by the frame, as it extends laterally and upwards away from the frame.
  • the two working platforms are preferably arranged symmetrically to a central longitudinal axis of the frame, so that both can be designed identically and the division of the working area of the working platforms in the transverse direction of the tunnel formwork device is clearly defined.
  • the travel range of the working platform in the transverse direction of the frame includes the adjustment ranges of all support cylinders, at least on one side of the frame, and is therefore able to cover the entire effective range of the tunnel formwork device.
  • the support structures preferably have feet with rollers which are designed to move the tunnel formwork device in its longitudinal direction. In this way, the tunnel formwork device can move along the tunnel and any point in the tunnel can be approached with the at least one working platform
  • the work platform projects beyond the support structures of the frame and/or the front of the frame, which makes it possible to close the work platform over the entire tunnel cross section procedure, including in places where the frame is arranged along the length of the tunnel formwork device.
  • the support structures include height-adjustable support legs. This means that the work platform can also be influenced in its work area by adjusting the height of the support legs.
  • the tunnel formwork device preferably has a control arrangement at least for the lifting drive of the lifting device, which is connected to an input device arranged on the working platform for controlling the lifting drive. In this way, the movement of the work platform can be easily controlled from this operational point of view.
  • the tunnel formwork device comprises at least two modules, preferably at least three modules connected to one another in the longitudinal direction of the tunnel formwork device, which can be connected to one another to form the frame.
  • the at least two modules, preferably at least three modules connected to one another in the longitudinal direction of the tunnel formwork device thus form a tunnel formwork device, the length of which can be adjusted by the number of modules used.
  • each module can be varied, for example by adapter pieces or by a hydraulic adjusting mechanism, so that not only the length of the tunnel formwork device in the longitudinal direction of the tunnel, but also the width of the tunnel formwork device can be adjusted in accordance with the width of the modules .
  • the working width of the modules can be easily varied by appropriately adjusting the support structures and the length-adjustable hydraulic support cylinders so that both narrow and wide tunnel shapes can be formed.
  • the tunnel shape is adjusted by appropriately adjusting the length of the support cylinders, which are preferably hydraulically telescopic.
  • the entire tunnel formwork device Due to the fact that the entire tunnel formwork device has a modular structure, it can be transported comparatively easily, i.e. using common transport vehicles, such as semi-trailers or semi-trailers of freight trains. For example, if the length of a module in the tunnel direction is between 1 and 4 m and the width is between 3 m and 10 m, conventional semi-trailers can be used to transport the modules because the maximum width and length regulations for transport are not exceeded .
  • the modules preferably comprise two end modules, which form the two ends of the tunnel formwork device in the longitudinal direction, and at least one intermediate module to be arranged between the end modules, which can be connected to at least one of the two end modules in a positive and/or non-positive manner.
  • the end modules can be designed specifically for the supporting function, e.g. for fastening the supporting structures, while the intermediate modules are designed to support the tunnel formwork through the support cylinders and the longitudinal beams. This distributes the different necessary functions of the tunnel formwork device, such as the load-bearing function and support function of the tunnel formwork, across different types of modules, which is more economical and more efficient than if one module has to fulfill all of these functions.
  • the support structure is height-adjustable and is formed in particular by hydraulically telescoping support legs.
  • the tunnel formwork device can thus be adapted to different tunnel heights.
  • the distance between the support legs can also be adjusted transversely to the tunnel direction, so that the support structure can be adapted to different tunnel widths.
  • the support structures are height adjustable, the vertical support cylinders do not necessarily need to be designed as hydraulically length-adjustable support cylinders, since the height adjustment can then be realized via the support structures.
  • the height adjustability also has the advantage that the tunnel formwork device can enter the tunnel with a reduced height, i.e. lowered, so that the tunnel formwork does not collide with tunnel sections that have already been boarded up.
  • the support cylinders are preferably connected to load sensors, so that the load absorbed by each support cylinder can be monitored on a central control arrangement and, if necessary, pressure peaks can be reduced by appropriately controlling the support cylinders.
  • each support cylinder is preferably provided with a load sensor. The pressure peaks are reduced by controlling the concreting speed.
  • At least one of the at least two support cylinders is pivotally articulated to the frame or the frame part of a module, so that the support points for the tunnel formwork elements can be adapted to the local conditions.
  • the support strut can be connected to the support cylinders via a pivoting mechanism, so that the longitudinal beams can optimally reach behind the tunnel formwork elements, even if the support by the support cylinders is not exactly vertical from below.
  • the longitudinal beams have hydraulically operated stamps, particularly at their ends, for support on the tunnel wall or the tunnel ceiling.
  • the longitudinal beams are fixed in an absolutely immovable manner between the supporting structures of the frame of the tunnel device and the stamps, which are hydraulically controlled and rest firmly against the tunnel walls or the tunnel ceiling.
  • each support structure is formed by two support legs, which can be releasably connected to the frame, preferably to the outermost frame parts of the end modules or intermediate modules in the longitudinal direction.
  • the end modules can have the fastening structures for the support structures or support legs, which, on the one hand, ensures that the support structures are arranged at the two ends of the tunnel formwork device and thus securely support the tunnel formwork device arranged between them.
  • the intermediate modules can only have those structures that are required to support the tunnel formwork, i.e. the hydraulic support cylinders. As already stated, these legs are both height adjustable and their distance can be adjusted.
  • only the frame parts of the intermediate modules carry the hydraulic support cylinders and the frame parts of the end modules each carry at least one work platform and the support structures, with the work platform projecting beyond the front of the support structures.
  • each module preferably each end and intermediate module, has integrated connections for pneumatics and/or hydraulics and/or electrical systems.
  • the hydraulic support cylinders are connected to the longitudinal beams via at least one bolt, in particular a conical bolt, in order to ensure the firm connection of the hydraulic support cylinder and the support strut.
  • the tunnel formwork device has a control module with a control arrangement for the tunnel formwork device, which can preferably be connected to the frame.
  • the control module can be formed, for example, by a cabin of the tunnel formwork device or a control box in which the control arrangement is arranged in order to be easy to operate and to protect it from dirt and moisture in the tunnel.
  • This control arrangement then has all the necessary interfaces for the hydraulics, electrics and pneumatics of all modules and is able to receive the force measurement data from the load sensors of the support cylinders and to carry out the adjustment and actuation of the support cylinders centrally for the entire tunnel formwork device.
  • the control arrangement is preferably also designed to control the lifting device, in particular via an input device on the work platform or optionally also via mobile devices.
  • the working platform(s) is/are preferably designed as a lifting platform with a railing, with the input device for controlling the lifting drive of the lifting device preferably being arranged on the railing.
  • the invention also relates to a tunnel concreting device comprising a tunnel formwork device of the above type and at least one concrete pump, which is controlled by the control arrangement for controlling the support cylinders of the tunnel concreting device, at least one delivery line of the concrete pump being connected to the space between the tunnel formwork elements and the tunnel wall.
  • the concrete pumps are preferably controllable depending on the signals from load sensors which are arranged in connection with the support cylinders. In this way, a tunnel of almost any cross-sectional shape and length can be boarded efficiently, with the control of the concrete pumps dynamically taking into account the degree of filling of the space between the tunnel formwork and the tunnel wall.
  • the tunnel formwork device 10 has a modular structure in this exemplary embodiment, but this is not necessary. It will be explained below using the Fig. 1 to 3 described and consists of two end modules 12a, 12b and seven intermediate modules 14a-14g extending between the two end modules 12a, b, which are firmly connected to one another. Each end module 12a, 12b contains a frame part 16a, which is positively and/or non-positively connected to the frame parts 16b of the intermediate modules 14a-g, as well as the frame parts 16b of the intermediate modules 14a-g to one another, preferably in the same way are non-positively connected to a common frame 20 of the tunnel formwork device 10.
  • the frame parts 16a of the end modules 12a, b can be connected to support structures 18 in the form of two support legs each, which securely support the frame 20 of the entire tunnel formwork device 10 formed by the frame parts 16a, b of all modules 12a, b, 14a-g on the tunnel floor .
  • the connection between the modules 12a, b and 14a-g or between their frame parts 16a, b is detachable, so that the individual modules can be transported separately to the construction site.
  • the support legs 18 are height adjustable via a hydraulic telescopic mechanism 23, while they have a Horizontal telescopic mechanism 21 or by insertable adapter pieces can be adjusted in their mutual distance in the transverse direction (horizontally transverse to the tunnel direction).
  • a hydraulic lifting device 24 preferably comprising two pivotally connected support arms 25a, 25b, which can be moved relative to one another and to the frame 20 via a lifting drive 27 in the form of several hydraulic cylinders
  • the frame parts 16a of the end modules 12a, b are part of the frame parts 16a of the frame 20
  • two work platforms 22a, b and 22c, d are held in the form of lifting platforms relative to the frame part 16a, b or relative to the frame 20, which can be raised and lowered as well as laterally movable.
  • inspections or assembly work on the tunnel formwork elements 33, on the support cylinders 34 of the longitudinal beams 32a-f 25a, b can optionally be adjustable in length, e.g.
  • the work platform or lifting platform 22a, b, c, d has a railing 29 to protect the workers from falling.
  • the frame 20 extends at least approximately over the entire length of the tunnel formwork device 10.
  • Two vertical hydraulic support cylinders 26a, b are preferably attached to the frame 20 for each intermediate module 14ag, so that when the frame 20 is raised via the hydraulic telescopic mechanisms 23 of the support legs 18
  • the vertical support cylinders 26a, b must also be raised for height adjustment. In this way, 10 tunnels of different heights can be boarded and filled with concrete using the tunnel formwork device.
  • the vertical support cylinders therefore do not even need to be hydraulic and length-adjustable.
  • the work platforms 22a, b, c, d can preferably be controlled via control devices that are attached to the work platform 22a, b, c, d or its railing 29.
  • Each frame part 16b of the intermediate modules 14a-g carries two support cylinders 28a, b pointing obliquely downwards as well as two horizontally extending support cylinders 30a, b, which extend symmetrically towards the tunnel sides facing away from one another in relation to the center of the tunnel.
  • the free ends of the support cylinders 26a, b, 28a, b, 30a, b are each connected to longitudinal beams 32a-f, which in turn carry circular arc-shaped tunnel formwork elements 33 ( Fig. 4 ), which in their entirety form the tunnel formwork 37.
  • the tunnel formwork device 10 shown thus controls six support cylinders or struts 32a-f, which extend over the entire inner circumference of the tunnel wall to be concreted, that is, generally over a range of 150 to 270 degrees (see Fig. 2 and 4 ).
  • the tunnel formwork elements 33 can be supported on the tunnel floor 35 via separate support bodies 36.
  • the support cylinders 32a and 32f pointing obliquely downwards can form the lowest support which will form the tunnel formwork 37 composed of the entirety of the tunnel formwork elements 33.
  • the support of the tunnel formwork 37 by the support elements 26a, 28a, 30a and by the support cylinders 32a, 32b, 32c is in Fig. 4 clarified. It can also be seen in this illustration that the vertical support cylinders 26a, b do not have to be aligned exactly vertically, just as the horizontal support cylinders 30a, b do not have to be aligned exactly horizontally. These can be adjustable in their fastening angle on the frame parts of the intermediate modules 14a-g at least in a small range of, for example, +/- 15 degrees, while the support cylinders pointing obliquely downwards can preferably be adjustable in a larger angular range of, for example, 45 degrees.
  • the support struts 26a, b are preferably fixed rigidly, ie not pivotally, to the frame 20, so that the tunnel formwork is fixed in its angular position, and the tunnel formwork 37 can therefore not tilt while the tunnel formwork device is moving.
  • support cylinders 26a, b, 28a, b, 30a, b are provided with load sensors 38, which can be connected via data lines 40 to the central control arrangement 44 of a control module 42 of the tunnel formwork device 10.
  • the control arrangement evaluates the data from the load sensors 38 and preferably controls the support cylinders depending on the recorded data in order to optimally position the tunnel formwork 37 and to operate concrete pumps to fill the space between the tunnel wall and the tunnel formwork 37 in such a way that there are no excess loads the support cylinders or the tunnel formwork elements 33 come.
  • each support strut 32a-f are provided with hydraulically actuated stamps 34, which are controlled in such a way that they are supported on the tunnel walls, whereby all longitudinal beams 32a-f between these and the support structures 18 are firmly defined in their position, which leads to reproducible formwork results.
  • the control module 42 preferably contains a cabin 46, preferably with at least one window 48, in which the control arrangement 44 is positioned. In this way it is effectively protected against dirt and moisture on the construction site.
  • the control module 42 can be positioned anywhere on the tunnel formwork device 10. Preferably it can be connected to the support structure 18 or to a frame part 16a, b of an end or intermediate module 12a, b, 14a-g.
  • the control arrangement is connected to the hydraulics for actuating all support cylinders and to concrete pumps for filling the cavity between the tunnel wall and the tunnel formwork 37 in order to optimally control the tunnel formwork process.
  • the work platforms 22a-d which are movably held on the end modules 16a, 16b, preferably protrude beyond the end faces of the support structures or support legs 18, so that the ends of the tunnel formwork 37 and the entire tunnel formwork device 10 can be clearly seen.
  • Fig. 5 shows the cross section of the in the Fig. 1 to 4 shown tunnel formwork device 10 in more detail than Fig. 4 .
  • identical or functionally identical parts are provided with identical reference numerals.
  • FIG. 6 to 9 Different working positions of the working platform 22a are shown, which show how comprehensively each of the four working platforms 22a-d at both ends of the tunnel formwork device covers a complete half of the tunnel cross section or working area of the tunnel formwork device.
  • the working platform 22a-d can be moved under the frame 20, over the frame 20 and laterally away from it, so that the The entire corresponding tunnel formwork 37 can be inspected, as well as the corresponding parts 26, 28, 30, 32, 33, 34 of the tunnel formwork device 10. Only visual inspections can be made on the components 26, 28, 30, 32 from the work platforms, but rather none Assembly or revision work.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)

Claims (15)

  1. Dispositif de coffrage de tunnel (10), comprenant :
    - un bâti (20),
    - au moins deux structures de support (18), espacées l'une de l'autre dans une direction longitudinale du dispositif de coffrage de tunnel, qui peuvent être reliées au bâti (20) du dispositif de coffrage de tunnel (10), pour soutenir le bâti (20) sur un sol de tunnel (35),
    caractérisé en ce que le bâti (20) supporte respectivement au moins deux vérins hydrauliques de soutènement (26a,b, 28a,b, 30a,b) en au moins deux positions espacées l'une de l'autre dans la direction longitudinale, lesquels vérins de soutènement peuvent être reliés à des poutres longitudinales (32a-f) s'étendant dans la direction longitudinale, lesquelles poutres longitudinales (32a-f) soutiennent des éléments de coffrage de tunnel (33) du dispositif de coffrage de tunnel (10),
    dans lequel au moins un dispositif de levage (24) est agencé sur le bâti (20), lequel dispositif de levage supporte au moins une plate-forme de travail (22a-d), dans lequel le dispositif de levage (24) comporte un entraînement de levage (27) pour déplacer la plate-forme de travail (22a-d) par rapport au bâti (20).
  2. Dispositif de coffrage de tunnel (10) selon la revendication 1, caractérisé en ce que le dispositif de levage (24) est également conçu pour un déplacement horizontal et vertical de la plate-forme de travail (22a-d) par rapport au bâti (20).
  3. Dispositif de coffrage de tunnel (10) selon la revendication 1 ou 2, caractérisé en ce que l'entraînement de levage (27) est réalisé sous la forme d'un entraînement électrique ou hydraulique.
  4. Dispositif de coffrage de tunnel (10) selon l'une des revendications précédentes, caractérisé en ce que le dispositif de levage (24) comprend au moins deux bras de support (25a, 25b) reliés l'un à l'autre de façon à pouvoir pivoter.
  5. Dispositif de coffrage de tunnel selon la revendication 4, caractérisé en ce que les bras de support (25a, 25b) sont reliés de façon à pouvoir pivoter aussi bien avec le bâti (20) qu'avec la plate-forme de travail (22a-d).
  6. Dispositif de coffrage de tunnel selon la revendication 4 ou 5, caractérisé en ce que les bras de support (25a, 25b) sont entraînés par l'intermédiaire de l'entraînement de levage (27), qui comprend de préférence des vérins hydrauliques, de façon à pouvoir pivoter l'un par rapport à l'autre et par rapport au bâti (20).
  7. Dispositif de coffrage de tunnel (10) selon l'une des revendications précédentes, caractérisé en ce qu'au moins une plate-forme de travail (22a-d) est agencée sur au moins une, de préférence sur chaque, extrémité longitudinale du bâti (20).
  8. Dispositif de coffrage de tunnel (10) selon l'une des revendications précédentes, caractérisé en ce que deux plates-formes de travail (22a-d) sont agencées sur au moins une extrémité longitudinale du bâti (20).
  9. Dispositif de coffrage de tunnel (10) selon la revendication 8, caractérisé en ce que les deux plates-formes de travail (22a-d) sont agencées symétriquement par rapport à un axe longitudinal central du bâti (20).
  10. Dispositif de coffrage de tunnel (10) selon l'une des revendications précédentes, caractérisé en ce que la plage de déplacement de la plate-forme de travail (22a-d) dans une direction transversale du bâti (20) comprend les plages de réglage de tous les vérins de soutènement (26a,b, 28a,b, 30a,b), sur au moins un côté du bâti (20).
  11. Dispositif de coffrage de tunnel (10) selon l'une des revendications précédentes, caractérisé en ce que les structures de support (18) comportent des pieds de support (19) avec des rouleaux, qui sont conçus pour déplacer le dispositif de coffrage de tunnel (10) dans leur direction longitudinale.
  12. Dispositif de coffrage de tunnel (10) selon l'une des revendications précédentes, caractérisé en ce que la plate-forme de travail (22a-d) fait saillie côté avant à partir des structures de support (18) du bâti (20).
  13. Dispositif de coffrage de tunnel (10) selon l'une des revendications précédentes, caractérisé en ce que les structures de support (18) comprennent des jambes d'appui réglables en hauteur.
  14. Dispositif de coffrage de tunnel (10) selon l'une des revendications précédentes, caractérisé en ce qu'il comprend au moins deux modules (12a,b, 14a-g), de préférence au moins trois modules (12a,b, 14a-g), reliés les uns aux autres dans la direction longitudinale du dispositif de coffrage de tunnel (10), lesquels modules peuvent être reliés au bâti (20).
  15. Dispositif de coffrage de tunnel (10) selon l'une des revendications précédentes, caractérisé en ce qu'il comporte un agencement de commande (44) pour l'entraînement de levage (27), qui est relié à un périphérique d'entrée agencé sur la plate-forme de travail (22a-d) pour la commande de l'entraînement de levage (27).
EP22152345.9A 2022-01-07 2022-01-20 Dispositif modulaire de coffrage de tunnel Active EP4209656B1 (fr)

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US18/062,199 US20230220773A1 (en) 2022-01-07 2022-12-06 Modular tunnel formwork device

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EP22150523.3A EP4209655B1 (fr) 2022-01-07 2022-01-07 Dispositif modulaire de coffrage de tunnel

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EP4209656B1 true EP4209656B1 (fr) 2023-12-06

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ES (2) ES2970580T3 (fr)
FI (1) FI4209656T3 (fr)

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CN107965337A (zh) * 2017-12-21 2018-04-27 湖南五新隧道智能装备股份有限公司 一种衬砌施工方法及其采用的衬砌台车
KR20190140266A (ko) * 2018-06-11 2019-12-19 주식회사 서진기계 작업자 이동통로가 있는 터널용 강재 거푸집
CN112780309A (zh) * 2021-02-23 2021-05-11 四川蓝海智能装备制造有限公司 一种隧道施工用拱喷台车

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EP4209655C0 (fr) 2023-11-01
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ES2970580T3 (es) 2024-05-29
FI4209656T3 (fi) 2024-01-11
DK4209656T3 (da) 2024-01-15
US20230220773A1 (en) 2023-07-13
EP4209656A1 (fr) 2023-07-12
EP4209655A1 (fr) 2023-07-12

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