EP0845579B1 - Revêtement de tunnels - Google Patents

Revêtement de tunnels Download PDF

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Publication number
EP0845579B1
EP0845579B1 EP97810938A EP97810938A EP0845579B1 EP 0845579 B1 EP0845579 B1 EP 0845579B1 EP 97810938 A EP97810938 A EP 97810938A EP 97810938 A EP97810938 A EP 97810938A EP 0845579 B1 EP0845579 B1 EP 0845579B1
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EP
European Patent Office
Prior art keywords
panel according
tunnel
layer
elements
tunnel panel
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.)
Expired - Lifetime
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EP97810938A
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German (de)
English (en)
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EP0845579A1 (fr
Inventor
Xaver Jehle
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Individual
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Individual
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Classifications

    • 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
    • E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
    • E21D11/383—Waterproofing; Heat insulating; Soundproofing; Electric insulating by applying waterproof flexible sheets; Means for fixing the sheets to the tunnel or cavity wall
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
    • E01F8/0052—Grate-style, e.g. as wall facing
    • E01F8/0058—Grate-style, e.g. as wall facing with damping material, e.g. rockwool, sand
    • 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
    • E21D11/003—Linings or provisions thereon, specially adapted for traffic tunnels, e.g. with built-in cleaning devices
    • 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
    • E21D11/006—Lining anchored in the rock
    • 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
    • E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0086—Bearing plates

Definitions

  • the present invention relates to a tunnel cladding individual elements and the fastening of the elements serving fasteners, the Fastening devices one in each tunnel wall anchorable carrier and fastening means for attaching the Have element on the carrier.
  • EP-A-0 620 357 discloses a tunnel lining individual cladding elements arranged side by side. The elements rest with their bottom end Supports and are on the ridge side by means of profile rails and a rubber buffer on profile rails arranged on the ridge resiliently attached.
  • This tunnel lining can be in a short amount of time and without the tunnel for the Traffic should be completely blocked, mount.
  • a disadvantage of the described tunnel lining, however is that by simply attaching the end These elements only apply to relatively small tunnel radii suitable.
  • the object of the present invention is a to provide improved tunnel cladding that at Tunnel tubes of different diameters can be used and insensitive to changes in length or Mountain shifts is. Another goal is one to provide sound-absorbing tunnel lining.
  • this is done by tunnel lining realized according to the preamble of claim 1, thereby is characterized in that an element is a plurality of Recesses for receiving the fasteners has, the diameter of the recesses den Fastener diameter by a certain amount surpasses that first and second buffers are provided, over which one element each with the fastener and is connected to the carrier, a first and a second buffer on opposite sides of one Elementes are arranged in the region of the recesses, and that in the element in the area of the recesses and / or Bulges are formed, which with at least one Buffers can work together, so that by the total Buffer a compliant connection between the Fastening device and an element is formed.
  • the carrier also has a seat for receiving a Buffer.
  • the proposed tunnel cladding has the advantage that the buffers for a flexible attachment of the elements worry the bearers.
  • the elements are soft on the buffers and also mounted elastically. They can preferably buffers made from an elastomer in particular the forces acting at an angle to the beam, for example, acting parallel to the element surface Forces absorb without the element on the carrier can slip. Forces acting perpendicular to the beam can occur due to mountain shifts or stones press on the usually curved elements.
  • the Provide indentations or indentations with which first or second buffers can work together one item can do well be centered. This makes assembly easier. It can also a certain game between a buffer and the corresponding indentation or bulge may be provided.
  • the buffer with a bulge of the Elements or a protruding web, projection or the like cooperate by the web or projection from Buffer is added so that an indirect and compliant connection with that in the tunnel wall anchored support and the element is formed.
  • the buffer engages in a Indentation or depression of the element.
  • the Buffers for example, form-fitting with the indentation interact. In this way it is more or less a gimbal Suspension realized.
  • the first buffer is approximately particularly advantageous plate-shaped or conical and engages in a corresponding one Indentation on the element. Due to the plate or cone shape of indentation and buffer is one on all sides compliant suspension realized. The cone shape also allows also a limited tilting movement of the element without this could be damaged. An indentation leaves easy to manufacture and easier to manufacture the centering of the element during assembly.
  • the buffers and the element to be fastened are expediently by means of a releasable fastener, e.g. a screw, on Carrier attached. The element can do more with a screw or less tightly clamped.
  • the cladding element made of plastic is advantageous manufactured and the indentation with a metal insert strengthened.
  • Plastic trim elements are lighter than appropriate metal elements and not susceptible to corrosion.
  • the plastic element is expediently a Sandwich element with a core made of a foam plastic, e.g. Polyurethane, and a coat of a preferably flame retardant plastic.
  • a suitable plastic is polyester, for example, but also any other plastics with similar properties are used become.
  • the elements are suitable for attaching to the beams Screws into a screw hole on the carrier are screwable.
  • the contact pressure can be adjusted with screws according to the weight of the elements.
  • the Carriers can also be in two parts and by means of a thread be adjustable in length. This facilitates the alignment of the Elements.
  • a elongated sealing body made of an elastomeric material for Sealing the joints of two adjacent elements, with one foot that fits into the joint and two from the foot in sealing lips protruding at an angle.
  • the sealing lips can protrude beyond the side edges of the adjacent elements.
  • the seal body can prevent leachate can drip from the tunnel tube onto the road.
  • the webs advantageously protrude outwards and at an angle the base of the sealing body is wedge-shaped in cross section.
  • the sealing body advantageously has several Reinforcing webs formed cavities. This sealing body is compressible and dimensionally stable. It leaves after assembly of the elements easily in the existing between the elements Press in the space.
  • the present invention also relates to a Sound absorption element, in particular for the absorption of Street noise, with a perforated front panel and behind it at least one sound absorbing layer.
  • a Sound absorption element in particular for the absorption of Street noise
  • such an element is characterized by at least a first layer of a foamed and elastic Plastic and a second layer behind Mineral fiber boards.
  • the first layer is mainly suitable to absorb high frequencies, the second layer mainly for the absorption of low frequencies.
  • a plastic film between the first is advantageous and the second layer. This protects the water sensitive second layer from splash water, its Occurrence, especially when cleaning the element, cannot be prevented. In addition, this film becomes a positive effect on the sound absorption properties of the Attributed to Elements.
  • a space between the perforated is advantageous Front plate and the first layer provided.
  • Next Aesthetic advantages are also achieved in that the Absorption area behind the perforated front panel is larger is than the area of the perforation. It also gets caught the sound between the front panel and the first layer, which has a positive effect on sound absorption.
  • a closed back on the element is advantageous provided that the second layer also from behind is protected.
  • the front panel advantageously has brackets for the first layer and the back brackets for the second Layer on.
  • the brackets keep them in the element introduced layers firmly in the designated places. This means that the front panel and back can be used first the sound absorbing layers are populated and then connected together to form a sandwich plate.
  • the first layer made of a melamine resin is advantageous manufactured.
  • the first layer forms an elastic deformable, fine-pored and water-insensitive layer, which also knows, i.e. Light can be reflective of what is preferred in tunnel construction.
  • the film with an is advantageous Glass fiber reinforcement, especially with a lattice structure, Mistake. This is conveniently between two foils welded or glued, so that the reinforced film distributes the sound pressure acting on them and dampens the waves.
  • a fastening device 11 for a Cladding element with an anchor 13 serving as a carrier a seat 15 for a buffer, a first elastic Buffer 17, which can be placed on the seat 15, one second elastic buffer 19 and one as a fastener serving screw 21.
  • the screw 19 is in a Screw hole 23 screwed into anchor 13.
  • the element 25 is by means of the screw 21 clamped between the buffers 17, 19.
  • the first buffer 17th has a recess 27 corresponding to the seat 15 (Fig. 2) and can be put on or put on.
  • the first buffer 17 is plate-shaped and fits in a corresponding indentation 29 of the element 25 positive interaction of the element 25 with the buffer 17 can temperature-related changes in length of the element and vibrations, for example caused by passing cars, are absorbed. Across the beam 13 acting forces press on the buffer 17 and thus on the Seat 15. It is not possible for element 25 to slip.
  • the element 25 is a sandwich element with a core 31 an insulation material, for example one self-extinguishing polyurethane foam, and one laminate 33, 33 'applied on both sides, for example of GRP polyester.
  • the indentation 29 is in accordance with Embodiment of Figure 1 for reinforcement with Metal insert 35 provided, which in the glass fiber reinforced Laminate layer 33 'is incorporated. This allows the the most exposed part of element 25 be protected even better.
  • the metal insert 35 can be made of made of a corrosion-resistant metal or with a suitable protective layer.
  • a recess 37 in the element 25 serves as a passage for the screw 21.
  • the dimension of the recess 37 is larger than the screw diameter, so that the attachment of the Elements 25 on the fixed anchor 13 on the compliant Buffer 17.19 happens.
  • the recess is dimensioned such that even with a slight lateral shift or Changing the length of the cladding element is not included unyielding parts of the fastener in contact can come and be damaged.
  • Tunnel cladding system consists of a variety of Cladding elements 39.41 resp. 45,45 ', 47, which on one Tunnel wall 43 are arranged.
  • the Elements are usually rectangular. You can be crooked or be flat.
  • 45 ', 47 means, for example rails 51 for Attaching lighting (not shown) and Installations (not shown) may be provided (Fig.5).
  • Fig. 6 shows an angled profile part, for example a Metal sheet 53, which the side elements 39 with the Ridge elements 41 connects.
  • the metal sheet 53 ensures that water from the tunnel wall 43 behind the side element 39 a gutter 55 is derived (Fig.7).
  • the gutter 55 is located below lane 57.
  • a removable one Metal sheet 59 closes the access to the channel 55 from the Road side.
  • the vertical space between the side edges 59 two adjacent elements 39 each sealed by an elongated sealing body 61 (Fig.8).
  • the Side edges 59 of the elements through a web 63 to the rear extended.
  • the side edges 59 with the adjoining web 63 protrude outwards at an angle. This results in between two adjacent elements 39 one to the rear narrowing joint.
  • the joint can pass through the sealing body 61 completely or partially, as shown in the example his.
  • the sealing body 61 has a cross section wedge-shaped foot 65 with two on the upper part of the foot arranged and protruding on opposite sides Sealing lips 67.
  • the base of the sealing body is through Ribs 69 divided into several cavities.
  • the ribs 69 give the foot 65 a certain shape stability, so that the Fit sealing surfaces close to the side edges 63.
  • the elements 39, 41, 43, 45, 47 can have conical depressions 71, which serve to absorb sound.
  • depressions can also be conical, like this for example in Fig. 8 on the right side is drawn.
  • the wells can Penetrate all or part of the foam core 31. in the the former case are the front and the rear side 33,33 ' connected by the recesses 73 what the elements additionally stiffened.
  • the elements can be manufactured as follows: In a form corresponding to the element to be manufactured first a so-called "gel coat” applied to form a outer weatherproof and impervious layer. Then polyester is applied and a glass fiber mat incorporated. Be on the synthetic resin / glass fiber layer immediately put the PU foam sheets, in which the Bookings are already incorporated. After that, again Synthetic resin applied and a glass mat incorporated. The The whole is then done by means of a hydraulic Pressing device pressed together until the synthetic resin is polymerized. Then a Metal insert 35 placed and in another GFK layer embedded.
  • the manufacture of the conical or conical sound-absorbing recesses 71, 73 can be applied to different Species.
  • the Recesses 71,73 milled out of the foam plastic core 31 and the element is manufactured in a vacuum casting process. at This process is the fiberglass mats and Foam plastic core in a vacuum-tight sealable Form inserted. Then the mold is closed and evacuated. The resin becomes through an opening in the mold embedded in the mold.
  • the elements produced preferably have an area between approximately 20 to 30 m 2 , 4 to 6 fastening points each being provided.
  • the cladding is attached to the tunnel wall preferably with the help of a drilling and moving frame.
  • This The frame is attached to the by means of a special vehicle Exactly positioned tunnel wall, the holes according to the drilled existing grid and then the anchor in the Concreted holes or fastened with the help of dowels.
  • the tunnel cladding according to the invention has the advantage that the sandwich elements made of a polyurethane foam core and the GRP sheathing are light and still can easily fall off falling rocks. Another advantage is that the tunnel cladding is corrosion resistant and insulating.
  • the sound absorption element shown in Figures 9 and 10 can instead of a side element 39 or Ridge elements 41 are used. It has one mostly perforated front plate 111 made of chrome steel or a zinc sheet facing the noise immission is assembled. On the back of the front panel 111 are Retaining profiles made of sheet metal with the same perforation as that Front plate welded to this.
  • a first holding profile 113 has a fastening surface 115 for attachment to the front panel 111.
  • Right-angled to Fastening surface 115 there are two walls 117 and 119 arranged, each one parallel to the front panel 111 Hold distance surface 121 or 123. These distance areas 121,123 are at a different distance from the front panel arranged.
  • the spacing surface 123 creates a space 127 between the foam panel 125 and the front panel 111, while the distance surface 121 prevents the Foam plate 125 falls out of the element to the rear. This simplifies in particular the assembly of the sound absorption element, like that in more detail below is described.
  • a second holding profile 129 has one Mounting surface 131, a wall 133 and a spacer 135, which essentially corresponds to the fastening surface 115, the wall 119 or the spacing surface 123 of the holding profile 113 correspond.
  • the holding profiles 129 also secure the Distance between front plate 111 and first sound absorbent layer 125.
  • Front plate 111 With the front plate 111 is a closed Back plate 137 connected, which is also made of chrome steel or a zinc sheet is made.
  • the connection of Front plate 111 and back plate 137 is on the respective Edge 139, 141 of plates 111 and 137 by spot welding manufactured. Other types of attachment, e.g. by means of Screws, rivets or adhesive resins, however, are also conceivable.
  • the dimensions of the sound absorbent plates 125, 151 are in one direction matched to the distance between the holding profiles 113 and 143.
  • the Side edges of the sound absorbing panels 125 and 151 are clamped between walls 117 and 147, respectively.
  • the Retaining profiles 113, 129 and 143 stiffen the front and the Backplate.
  • One element is made of a front plate 111 introduced foam layer 125 and a back plate 137 with inserted glass or rock wool plate 151 composed. Between these two parts is one with a fiberglass reinforced plastic film 153 arranged. This is after assembly between the pinched both layers 125 and 151. The edge of the Plastic film 153 is around the edge of the second layer 151 placed so that it is packed practically waterproof.
  • the holding profile 129 is approximately opposite that Holding profile 143 arranged so that between the Spacers 135 and 149 clamped the first layer 125 is.
  • the holding profile 113 is near the plate edge 155 of the Steinwollplatte 151 arranged so that it is not behind the Spacer surface 149 clamped plate edge 155 against the Press back plate 137.
  • the holding profile 113 is with appropriate distance from the support profile 129, wherein the spacer surface 121 faces the holding profile 113. This makes the foam sheet 125 on both sides of the Holding part 113, each with a spacing surface 123, 135 from the Front plate 111 kept away.
  • the first layer was a 30 mm thick foamed melamine resin mat (type Illsonic®) and second Layer a 40 mm thick mineral fiber board (Flumroc® Ecco) used.
  • the first layer has one in comparison with the second layer better sound absorption behavior in the higher frequency range.
  • the known other Soundproofing elements in soundproofing behavior by at least Exceeds 10%.
  • ⁇ S (Hz / ⁇ S ): 100-315 / 0.69; 500-2000 / 1:03; 400-1250 / 1:05; 125-4000 / 0.94; 1600-5000 / 0.97; 100-5000 / 0.90.
  • An evaluation according to prEN ISO 11'654 (1994) showed for ⁇ P : at 250, 500, 1000 and 2000Hz 1.00, at 4000 Hz 0.95; and for ⁇ W : 1.00.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
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  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Geochemistry & Mineralogy (AREA)
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  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
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Claims (18)

  1. Habillage de tunnel en élément standart (unique modulaire) (25;39,41;45, 45',47) et fixation de l'élément avec ses composants de montage en quoi chaque composant de montage à la paroi du tunnel s'effectue par l'intermédiaire des supports (13) et composant de fixation (21).
       Ainsi défini:
    que chaque élément (25;39,41;45, 45',47) possède plusieurs perçages (37) pour le passage des composants de montage (21) en quoi le diamètre du perçage (37) par rapport au diamètre du composant de montage (21) le surpasse d'une certaine mesure.
    que le premier et le deuxième amortisseur (17,19) sont prévus pour l'assemblage des éléments (25;39,41;45, 45',47) à chaque fois avec le composant de montage (21) et le support (13 en quoi les amortisseurs (17,19) sont placés de part et d'autre de l'élément (25;39,41;45, 45',47) dans la région des perçage.
    que dans la région des perçages de l'élément existent des renflements en dépression (emboutis) oû se logent les amortisseurs (17,19), ainsi confère à l'ensemble support (13.21) et élément (25;39,41;45, 45',47) une élasticité d'assemblage.
  2. Habillage de tunnel d'après la revendication 1,
       montre de ce fait que le support (13) possède un siège (15) pour le logement de l'amortisseur (17).
  3. Habillage de tunnel d'après la revendication 1 ou 2,
       montre de ce fait que le premier amortisseur (17) est en forme d'assiette et s'ajuste dans le renflement en dépression (29) de l'élément (25;39,41;45, 45',47).
  4. Habillage de tunnel d'après la revendication de 1 à 3,
       montre de ce fait que l'élément d'habillage (25;39,41;45, 45',47) est composé de matière syntéthique et que le renflement en dépression (29) est renforcé par précaution d'une coupelle métallique (35).
  5. Habillage de tunnel d'après la revendication 4,
       montre de ce fait que l'élément d'habillage (25;39,41;45, 45',47) est une construction en "Sandwich" composée d'un noyau (31) de mousse syntétique et d'un manteau (33,33') de matière syntéthique renforcé de fibres de verre.
  6. Habillage de tunnel d'après la revendication de 1 à 5,
       montre de ce fait que le composant de montage est une vis (21) laquelle se place dans le perçage (23) et se visse sur le support (13)
  7. Habillage de tunnel d'après la revendication de 1 à 6,
       montre de ce fait que la face avant de l'élément d'habillage (25;39,41;45, 45',47) est doté de creux (71,73) de forme conique (pyramidale) à distance appropriées.
  8. Habillage de tunnel d'après la revendication de 1 à 7,
       montre de ce fait qu' un long profil (61) est prévu pour l'étanchéité entre éléments voisins, d'abord avec le dos du profil (65) ensuite avec la tête du profil dôtée de lèvres d'étanchéité de chaque côté (67) qui recouvrent les flancs des éléments voisins.
  9. Habillage de tunnel d'après la revendication 8,
       montre de ce fait qu'au moins deux flancs d'éléments prolongé d'une côte (63) placés l'un contre l'autre sont recouverts par le profil (61) sur les côtes (63).
  10. Habillage de tunnel d'après la revendication 9,
       montre de ce fait que les côtes (63) sont d'un angle biais sur toute le longueur de l'élément et que le dos (65) du profil (61) est de section conique.
  11. Habillage de tunnel d'après la revendication de 1 à 10,
       montre de ce fait que l'élément d'habillage est conçu en temps qu'élément acoustique insonore avec une face avant percée (111) et derrière d'une couche (125) isolante phonique de mousse syntéthique (ex. résine de mélamine) et ensuite une deuxième couche (151) de fibres minérales laquelle est placée derrière la couche (125).
  12. Habillage de tunnel d'après la revendication 11,
       montre de ce fait que la feuille de plastque (153) sépare la première couche (125) et seconde couche (151).
  13. Habillage de tunnel d'après la revendication 11 ou 12,
       montre de ce fait qu'il ya un espace vide (127) entre la face avant percée (111) et la première couche (125).
  14. Habillage de tunnel d'après la revendication de 11 à 13,
       montre de ce fait qu'il ya un dos ou derrière fermé (137).
  15. Habillage de tunnel d'après la revendication de 11 à 14,
       montre de ce fait que l'attache (entretoise) (113) fixée à la face avant percée (111) sert de support pour la première couche (125); que l'attache (137) fixée au dos (137) sert de support pour la deuxième couche (151).
  16. Habillage de tunnel d'après la revendication de 11 à 15,
       montre de ce fait que la première couche (125) se compose de résine de mélamine.
  17. Habillage de tunnel d'après la revendication de 11 à 16,
       montre de ce fait que la feuille (153) est renforcée d'un treillis de fibres de verre.
  18. Habillage de tunnel d'après la revendication de 11 à 17,
       montre de ce fait que la première couche (125) en comparaison avec la deuxième couche (151) possède un pouvoir d'insonorisation plus haut.
EP97810938A 1996-12-02 1997-12-02 Revêtement de tunnels Expired - Lifetime EP0845579B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH294396 1996-12-02
CH294396 1996-12-02
CH2943/96 1996-12-02

Publications (2)

Publication Number Publication Date
EP0845579A1 EP0845579A1 (fr) 1998-06-03
EP0845579B1 true EP0845579B1 (fr) 2002-10-09

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EP (1) EP0845579B1 (fr)
AT (1) ATE225901T1 (fr)
DE (1) DE59708433D1 (fr)

Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
FR2826991B1 (fr) * 2001-07-06 2003-11-21 Drouot Procede et element de bardage pour l'etanchement de tunnel
FR2838159B1 (fr) * 2002-04-03 2004-12-17 Etancheite D Ouvrages Souterra Dispositif etanche de drainage des eaux de percolation au niveau d'un revetement de tunnel
DE102007026990A1 (de) * 2006-06-30 2008-04-10 Skumtech As Ausbau im Hoch- und Tiefbau
EP3357680B1 (fr) 2017-02-03 2022-04-13 Senova Kunststoffe GmbH & Co. KG Revêtement de tunnel
CN109356611B (zh) * 2018-08-28 2020-10-16 中铁二十五局集团第四工程有限公司 一种隧道建设用环向筋的定位设备

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ATE211799T1 (de) 1993-04-14 2002-01-15 Xaver Jehle Tunnelauskleidung und verfahren zu deren anbringung
US5385433A (en) * 1993-05-14 1995-01-31 Jennmar Corporation Bearing plate

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EP0845579A1 (fr) 1998-06-03
ATE225901T1 (de) 2002-10-15

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