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EP1108855B1 - Voûte étanche et autoportante pour l'étanchement des tunnels souterrains - Google Patents

Voûte étanche et autoportante pour l'étanchement des tunnels souterrains Download PDF

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Publication number
EP1108855B1
EP1108855B1 EP00126769A EP00126769A EP1108855B1 EP 1108855 B1 EP1108855 B1 EP 1108855B1 EP 00126769 A EP00126769 A EP 00126769A EP 00126769 A EP00126769 A EP 00126769A EP 1108855 B1 EP1108855 B1 EP 1108855B1
Authority
EP
European Patent Office
Prior art keywords
sealing
vault
sealing vault
hollow space
tunnel construction
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
Application number
EP00126769A
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German (de)
English (en)
Other versions
EP1108855A1 (fr
Inventor
Urban Pfammatter
Charly Pfammatter
Josef Pfammatter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valplast AG
Original Assignee
Valplast AG
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Filing date
Publication date
Application filed by Valplast AG filed Critical Valplast AG
Publication of EP1108855A1 publication Critical patent/EP1108855A1/fr
Application granted granted Critical
Publication of EP1108855B1 publication Critical patent/EP1108855B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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

Definitions

  • the present invention relates to a method for creating sealed underground Tunneling, the application of the method as well as sealed Underground tunnels according to the general concepts the independent claims.
  • Underground tunnels serve in the most cases for transport purposes and preferably come there used where certain transport capacities with above ground Means not or only in uneconomic Way can be provided. This is true especially when it comes to road or rail vehicles geographical obstacles, such as e.g. mountains, to cross. Because the cost of the Creation of railway and road tunnels considerably Are and maintenance often with a loss of use go hand in hand with very high durability requirements such structures. A central point In this context, the sealing of the inner tunnel area is provided against coming out of the mountain and water where appropriate, the safe discharge of this water.
  • DE 1 940 050 describes a method in which which after the rock outbreak and a possible Secure critical areas with shotcrete in the broken out Cavity a self-supporting vault of metal-plastic composite panels is created. Then the Gap between the breakout surface and the Vault with temporary support of the vault with Concrete backfilled, creating a tunnel with a bearing Concrete vault is created. The vault of metal-plastic composite panels then forms the inner lining of the tunnel. A building of draining tunnels is not possible with this method.
  • a preferred embodiment of the invention includes the method of creating sealed underground tunnels creating a cavity in an underground environment, such as Rock, by bursting, by drilling or by another Outbreak method, and then create a viable sealing vault made of a water-impermeable and at least partially flexible and essentially dimensionally stable material in this broken space.
  • the Seal vault is spaced from the boundaries of the excavated underground cavity arranged so that a space between sealing vault and Outbreak Limitation results. In this way, the All-round safety and the tunnel seal in one Operation created.
  • This space is filled with a pressure-resistant filling material with good water permeability, e.g.
  • sealing arch is executed in such a way that it is in both the circumferential direction and in the direction the longitudinal extent of the tunnel construction to be created closed and tight, can also be found at non-existent Pressure relief or constipation any existing drainage rooms or pipes no water in the interior of the sealing vault and thus in the interior of tunneling.
  • an inner shell in particular an inner shell made of concrete.
  • this has Inner shell a much higher load reserve on as the sealing vault and therefore is able to, too increased rock loads, e.g. with the passage of time Settlements can occur in the rock, and, in pressurized water Density vaults, the mountain water pressure, too bear.
  • the inside of the sealing arch as an outer shuttering for the casting of a Inner shell made of concrete used, resulting in a simplification and to material savings when wrapping leads.
  • the inner shell takes over or supplements after curing of the concrete forming the Supporting functions of the sealing arch.
  • the Sealing vault with additional, substantially punctiform and / or line-engaging reinforcements preferably in the interior of the sealing arch attached structures, in particular reinforcement trusses, Reinforcing rings, reinforcing arches and / or Lattices, such as e.g. Steel mesh mats, used become an insignificant reduction of the Cause clearance gauge.
  • reinforcement trusses, Reinforcing rings, reinforcing arches and / or Lattices such as e.g. Steel mesh mats
  • the tie rods used are with Advantage designed such that the tensile forces receiving Element in a waterproof with the sealing arch connected sleeve is arranged so that thereby no impairment of the sealing function results.
  • Such fasteners are commercially available. However, it is also possible other fasteners to use and only the passage of Tie rod to seal through the sealing arch.
  • Reinforcing means reduces the thickness of the sealing arch or its capacity to meet certain requirements, such as. thick filler layers between Sealing vault and the cavity in the rock, be adjusted.
  • Reinforcing agents such as e.g. Reinforcement arches or Wire mesh
  • the sealing arch is with additional feeding means for subsequent feeding of liquid or pasty material in the Area between the sealing arch and the boundaries the cavity provided, which are designed to order the supply from the interior of the finished tunnel construction to enable her.
  • these delivery means designed as Verpressstutzen, which is radially through any inner shell of the tunnel extend. Should it after a while too Leaks come or further consolidation of the Exterior of the tunneling seem desirable can be a cement suspension, mortar or a or several other sealing substances by these feeding means Feed and the area between sealing vault and the boundary of the cavity thereby compress and seal.
  • the vault of a produce at least partially translucent material, since this is a simple visual success control when introducing the filling material into the room between sealing arch and cavity boundary allows.
  • the sealing arch is made an at least partially flexible and essentially dimensionally stable board material created, i. at least a material plate.
  • Under one at least partially flexible and dimensionally stable plate material become material plates and composite plates understood, which only under force deform, in particular warping, and which one Represent support structure that is capable of being next to her Dead weight even more externally attacking loads to wear.
  • the plate thickness is preferably such chosen that a good load capacity even with larger ones Vaults is ensured and the possibility a mechanical destruction of the seal both at Assembly as well as through later influence as a result of Compressive forces, subsidence and rockfall is low.
  • the plate thickness is already for the sake of Risk of injury due to mechanical action, preferably thicker than 4 mm, more preferably thicker than 8 mm selected.
  • the Sealing vault created from a plastic sheet material, making it possible, cheap and maintenance-free Sealing vault with a low weight and to get a long life.
  • sealing arch In a preferred embodiment of the invention are used to form the sealing arch several plastic plates welded together. In another advantageous embodiment are to form the sealing arch several plastic plates on their in the extension direction of tunneling oriented and contiguous Welded boundary edges to sealing arch bows and in the direction of extension of the tunnel construction successively arranged sealing arches at their opposite boundary edges by plug connections connected with each other.
  • These connectors can be formed by profiles into which the Boundary edges of the vault arches forming plastic plates be plugged in.
  • the profiles can also Sealing and fastening elements such as e.g. Sealing lips, Have clamping edges, gears, etc.
  • the profiles after insertion with the plastic plates to be welded or at or after the Plugging to stick which is especially when creating pressure water-retaining sealing vault is required.
  • By creating the sealing vault from several plates There is the advantage that the size of the processed Plates selectable independent of the vault size is and the transport possibilities and the space conditions be adapted at the tunnel construction site can.
  • the use of plug profiles facilitates the Alignment of the vault arches to each other and allows In addition, a dense against seepage connection of the Vaulted arches even with irregular boundary edges and at uneven distances between the boundary edges the vaulted arches to be connected, what for pressure-water-resistant seals is sufficient. It However, it is also possible in the extension direction of the Tunnel construction of successive arched arches at their opposite boundary edges too without a prior plugging by welding to connect with each other.
  • a Used plate material to form the sealing arch that on its the boundary of the underground cavity facing side spacer.
  • These are with advantage as distance webs or distance supports formed, preferably of the same material as the plate material and preferably in one piece with trained this.
  • the use of such board materials with spacers ensures that at relative uniform cavity boundaries, as for example at the outbreak of certain rocks with tunnel boring machines arise, in all areas a minimum distance between the sealing arch and the boundary of the Underground cavity as a filling space and / or drainage room preserved.
  • the sealing arch by extrusion of this forming Material created in the underground cavity is the sealing arch by extrusion of this forming Material created in the underground cavity.
  • this has the exit of the extrusion essentially the profile of the sealing arch across to its largest Extension to.
  • the generating a sealing arch by extruding a material in underground cavity gives the advantage of having a Transport of bulky material plates is eliminated and a automated creation of the sealing vault is possible. Also can be in this way very long sealing vault in one piece.
  • Fig. 1a is a section through a Tunneling shown by running the first two process steps of the inventive method can create.
  • a first step becomes an underground Cavity 1 generated.
  • the example shown shows a generated by blasting eruption in rock 2 Cavity 1, wherein the boundaries 3 due to Outbreak method are very irregular.
  • the cavity 1 by drilling or with to create other breakout methods, creating cavities arise with much more regular limits 3.
  • Even if in the description of rock described here 2 is the question, so the cavity 1 in all other environments are formed, which the Formation of an at least temporarily self-supporting Allow cavity 1.
  • Fig. 1 b shows the structure of the tunnel sole of the Tunnel construction of Fig. 1a in the case that the tunneling a pressurized water-retaining tunnel with a pressure water-retaining Sealing vault is 5.
  • the pressurized water-holding extends Sealing vault 5 also over the area of the tunnel sole and encloses the tunnel interior with the inside located tunnel bottom 4 completely and tight, so that Ingress of water into the tunnel interior also at obstructed water runoff and the resulting rising Water level and / or pressure build-up prevented becomes.
  • the sealing arch 5 It may well be completely desired outside the vault lying discharge lines 8 to refrain to pay for installation and maintenance Save to prevent leaching of the mountains and / or not existing hydrological conditions to impair.
  • FIG. 2 The connection of two arranged one behind the other Sealing arches 5 of a pressurized water unloaded Sealing vault of a tunnel construction according to the invention by means of a plug-in profile is shown in Fig. 2.
  • the boundary edges of the vault arches 5 forming plastic plates 6 in the inserted opposite grooves of a profile 9, whereby the boundary edges aligned with each other and be connected to each other in such a way that from the outside inflowing leachate is derived and not in the interior formed by the archwire arches can get.
  • the connector also tensile forces can be transmitted, so it is provided, the Profile strip 9 by non-positive and / or positive Fasteners, such as e.g. Clamping edges and / or Gearing, to complete.
  • the profile 9 with the vaulted arches to weld plastic plastic plates 6 or to glue, which is especially necessary if in this way a pressurized water-retaining sealing arch 5 is to be formed.
  • the sealing vault thus formed 5 serves to seal the tunnel interior against the ingress of water and the other as All-round protection against falling rocks.
  • the sealing vault 5 thus takes a double function was and makes a rock protection by applying shotcrete on large parts of the boundary surfaces 3 or by creating of tubbing rings previously unnecessary for sealing, whereby the required in the prior art separate step of the previous creation of a All-round security is eliminated. As also shown in FIG.
  • the plastic plates 6 shown here have at their the boundary 3 of the cavity 1 facing Side spacer webs 10, which from the same material as the plates 6 are made and are integrally formed with these.
  • radially extending webs 10 are but also punctual supports, such. fixed or attachable trestles, from the same or from one other material, conceivable. This way you can be sure be that between sealing vault 5 and the Limit 3 of the cavity 1 everywhere by the Spacers predetermined minimum distance as drainage or optionally as a Verpresshohlraum is present.
  • the sealing arch 5 can be improved, for example around thicker filler layers or Verpress harshen heavy material such as Rock split, scree, or mortar to wear, so are punctiform and / or linear on Density vault 5 attacking reinforcing means provided.
  • Fig. 3 shows a section through a further tunneling, by running the first two process steps of the inventive method can create.
  • the sealing arch 5 is in the present Case with a arranged in the interior reinforcement arch 11 reinforced, the substantially along a circumferential line inside the vault 5 is applied.
  • This here shown reinforcement sheet 11 is made of a metal profile material
  • he can as well Be formed half-timbered bow.
  • Reinforcement both one-piece and multi-piece train Generally all are punctual and / or suitable for linear attack reinforcing agents, which in a simple way in the interior of the sealing vault 5 let create and only a minor Reduction of the clearance gauge of the sealing arch 5 cause.
  • the Reinforcement means may also be additional devices for lifting or spreading the sealing arch, which especially beneficial when it comes to that after the execution of the third step of the inventive Procedure surrounding the sealing arch Layer of filling material to press against the rock.
  • the pressure elements 12 shown in Fig. 3 allow in present case of a pressurized water, in the area the tunnel sole opened sealing vault Spreading and lifting the reinforcement sheet 11 and thus also the sealing vault 5.
  • Fig. 4 shows a section through a tunnel that is going through the first two Process steps of the inventive method can create.
  • the sealing arch 5 has in this case as a reinforcing tie rod 13 on in the rock 2 attached and connected to the vault 5.
  • the tie rods 13 used are e.g. around commercially available fasteners, which a plastic sleeve with a sealing flange and a in arranged threaded rod with an abutment element, such as. a mother.
  • the fastener is passed through a hole in the sealing arch 5 placed in a borehole in the rock 2 and in this attached by gluing, concreting or spreading.
  • the sealing flange of the sleeve is on the inside the vault 5 connected to the vault 5 for sealing, e.g.
  • the sealing arch arranged both in its interior Wireframe 16 of steel wire and tie rod 13 on, which are so interconnected here that they a coherent reinforcement for the sealing arch form. Also here is the against the limit 3 of the Cavity pressed filling layer 14 recognizable.
  • This kind The reinforcement is suitable for pressurized water like pressurized water-resistant sealing vault alike.
  • Fig. 5 shows the pressurized water unloaded sealing arch 5 of FIG. 4 with after the execution of the third Step of the inventive method between the sealing vault 5 and the cavity boundary 3 in the rock 2 arranged filling layer of rock split 14.
  • Als Fill material are all materials in question, which can not be compacted and a good water permeability also in a pressed state and are suitable, the weight of possibly of the Limiting 3 releasing rock pieces as well as pressure forces out to take up the mountains and in a uniform shape to transfer the sealing arch 5. This will both a safe drain and pressure relief from the Rocky 2 exiting water long-term ensured as well as the danger of a violation of the sealing vault 5 reduced by falling rock.
  • FIG shows tunnel construction according to the invention shown in FIG also arranged in the sealing arch 5 inner shell 15 made of concrete.
  • the outer surface of the inner shell 15th abuts directly on that sealing vault 5, which at their creation as external shuttering and all-round protection served.
  • the inner shell 15 after curing of this Among other things, the supporting functions of the Sealing vault 5.
  • the illustrated vault 5 as a pressurized water Sealing vault 5 designed, e.g. according to Fig. 1b, it is intended, the tunneling such to design that the possibility of a subsequent Pressing the filled cavity between the sealing arch 5 and cavity boundary 3 with a cement suspension, with mortar or with one or more other sealing substances is present.
  • Fig. 6 shows a section through the wall a corresponding tunnel construction with a pressure water-retaining Sealing vault 5 of plastic plates 6, one Inner shell 15 made of concrete and a filling of chippings 14th between sealing vault 5 and cavity boundary 3.
  • the Split filling 14 was retrofitted with a cement suspension 17, which of tunnel interior ago by a or more on the sealing arch 5 and arranged by the concrete inner casing 15 extending through the injection nozzle 18 in the area between sealing vault 5 and Outbreak limit 3 was introduced, pressed to to close any leaks and / or the Load capacity of the tunnel in this section increase.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Architecture (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)
  • Excavating Of Shafts Or Tunnels (AREA)

Claims (24)

  1. Procédé de construction de tunnels souterrains étanchéifiés, comprenant les étapes suivantes :
    a) production d'un vide souterrain (1),
    b) construction dans le vide souterrain (1), sensiblement à distance des limites (3) du vide (1), d'une voûte étanche portante (5) avec un matériau imperméable à l'eau et au moins partiellement flexible et de forme pratiquement stable, de façon telle qu'entre les limites (3) du vide (1) et la voûte étanche (5) soit formé un intervalle, et en outre caractérisé par l'étape suivante :
    c) remplissage de l'intervalle d'une matière de remplissage (14) résistant à la pression et ayant une bonne perméabilité à l'eau.
  2. Procédé selon la revendication 1, dans lequel la matière de remplissage (14) est un remblai de matière en vrac, en particulier de gravillon de roche (14) ou de gravier.
  3. Procédé selon l'une des revendications précédentes, dans lequel est construite une voûte étanche (5) qui est fermée et étanche dans la direction circonférentielle et dans la direction de l'étendue longitudinale du tunnel à construire.
  4. Procédé selon l'une des revendications précédentes, dans lequel dans l'intervalle entre la voûte étanche (5) et les limites (3) du creux (1) ne sont pas placés de voûtes de blindage portantes supplémentaires, en particulier d'éléments de tubage et/ou de voûtes en béton ou en béton projeté entrant dans les zones des parois latérales.
  5. Procédé selon l'une des revendications précédentes, dans lequel, après la construction de la voûte étanche (5), à l'intérieur de cette voûte (5) est construite une paroi intérieure (15), et en particulier, dans lequel une paroi intérieure (15) en béton est construite à l'intérieur de la voûte étanche (5).
  6. Procédé selon la revendication 5, dans lequel la face intérieure de la voûte étanche (5) est utilisée comme coffrage extérieur pour la coulée d'une paroi intérieure (15) en béton.
  7. Procédé selon l'une des revendications 5 et 6, dans lequel le remplissage de l'intervalle entre la voûte étanche (5) et la limite (3) du vide a lieu prioritairement à la construction de la paroi intérieure (15).
  8. Procédé selon l'une des revendications précédentes, dans lequel la voûte étanche (5) est pourvue de moyens supplémentaires de renfort (11, 13, 16) qui agissent sensiblement ponctuellement et/ou linéairement.
  9. Procédé selon la revendication 8, dans lequel les moyens de renfort sont formés d'appareils porteurs montés à l'intérieur de la voûte étanche (5), en particulier de treillis de renfort, d'anneaux de renfort, de cintres de renfort (11) et/ou de treillages (16), et en particulier, dans lequel les moyens de renfort comprennent des moyens d'écartement et/ou des moyens de relèvement (12).
  10. Procédé selon l'une des revendications 8 et 9, dans lequel, comme moyens de renfort, dans la matière (2) qui entoure le vide (1) sont fixés des tirants (13) auxquels la voûte étanche (5) est jointe, et en particulier, auxquels sont joints la voûte étanche et/ou des moyens de renfort (11, 16) appartenant à celle-ci et placés à l'intérieur de celle-ci.
  11. Procédé selon l'une des revendications 8 à 10, dans lequel, après la mise en place de la matière de remplissage est effectuée une compression de celle-ci par mouvement de la voûte étanche (5) en direction de la limite du vide (1) à l'aide des moyens de renfort (11, 13, 16), et en particulier, cette compression est effectuée par écartement ou relèvement de moyens de renfort (11, 16) placés dans la voûte étanche (5) et/ou par serrage d'éléments tirants (13) placés entre la voûte étanche (5) et la limite (3) du vide (1).
  12. Procédé selon l'une des revendications précédentes, dans lequel la voûte étanche (5) est pourvue de moyens supplémentaires d'amenée (18), en particulier de tubulures de compression (18), pour l'amenée ultérieure de matière liquide à pâteuse de l'intérieur du tunnel construit avec cette voûte étanche (5) dans l'intervalle entre la voûte étanche (5) et les limites (3) du vide (1).
  13. Procédé selon la revendication 12, dans lequel la matière de remplissage (14) est comprimée dans l'intervalle entre la voûte étanche (5) et les limites (3) du vide (1) par amenée d'une matière liquide à pâteuse, en particulier par amenée de suspension de ciment, de mortier ou d'une autre substance étanchéifiante, par au moins un moyen d'amenée (18).
  14. Procédé selon l'une des revendications précédentes, dans lequel la voûte étanche (5) est construite avec un matériau au moins partiellement translucide.
  15. Procédé selon l'une des revendications précédentes, dans lequel la voûte étanche (5) est construite avec un matériau en plaques (6, 6a, 6b, 6c), en particulier avec un matériau en plaques qui ont une épaisseur supérieure à 4 mm, en particulier supérieure à 8 mm.
  16. Procédé selon la revendication 15, dans lequel la voûte étanche (5) est construite avec un matériau en plaques de plastique (6a, 6b, 6c), en particulier avec un matériau en plaques de matière thermoplastique.
  17. Procédé selon la revendication 16, dans lequel plusieurs plaques de plastique (6a, 6b, 6c) sont soudées entre elles pour la formation de la voûte étanche (5), et en particulier, dans lequel plusieurs plaques de plastique (6, 6a, 6b, 6c) sont soudées en des arcs de voûte étanche (5) sur leurs côtés limites orientés dans la direction dans laquelle s'étende le tunnel et contigus, et dans lequel les arcs de voûte étanche (5) placés les uns derrière les autres dans la direction dans laquelle s'étend le tunnel sont joints entre eux sur leurs côtés limites en regard par des emboítements (9), et en particulier, dans lequel les emboítements sont soudés ou collés.
  18. Procédé selon l'une des revendications 15 à 18, dans lequel est utilisé pour la formation de la voûte étanche (5) un matériau en plaques (6, 6a, 6b, 6c) qui présente des écarteurs sur son côté dirigé vers la limite (3) du vide (1), et en particulier, présente sur ce côté des nervures écarteuses (10) et/ou des entretoises, et en particulier, présente des écarteurs qui sont de la même matière que lui et font corps avec lui.
  19. Procédé selon l'une des revendications 1 à 14, dans lequel la voûte étanche (5) est construite par extrusion du matériau dans le vide souterrain (1).
  20. Utilisation du procédé selon l'une des revendications précédentes pour la construction d'un tunnel drainant ou retenant l'eau souterraine.
  21. Tunnel drainant ou retenant l'eau souterraine construit par le procédé d'une des revendications 1 à 19.
  22. Tunnel souterrain étanchéifié dans un vide dans une matière entourant le tunnel, comportant une voûte étanche portante (5) constituée d'un matériau imperméable à l'eau et au moins partiellement flexible et de forme pratiquement stable qui est sensiblement espacé des limites du vide, sur le côté extérieur de la voûte étanche (5) étant placée une couche de matière de remplissage (14) résistant à la pression et ayant une bonne perméabilité à l'eau.
  23. Tunnel selon la revendication 22, dans lequel la matière de remplissage (14) est un remblai de matière en vrac, en particulier de gravillon de roche (14) ou de gravier.
  24. Tunnel selon l'une des revendications 22 et 23, dans lequel la voûte étanche est fixée par des tirants (13) dans la matière (2) qui entoure le tunnel.
EP00126769A 1999-12-16 2000-12-06 Voûte étanche et autoportante pour l'étanchement des tunnels souterrains Expired - Lifetime EP1108855B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH230999 1999-12-16
CH230999 1999-12-16

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EP1108855A1 EP1108855A1 (fr) 2001-06-20
EP1108855B1 true EP1108855B1 (fr) 2005-07-06

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EP (1) EP1108855B1 (fr)
AT (1) ATE299228T1 (fr)
DE (1) DE50010662D1 (fr)
ES (1) ES2244388T3 (fr)

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Publication number Priority date Publication date Assignee Title
EP1514998A1 (fr) 2003-09-15 2005-03-16 Valplast AG Construction de drainage de tunnels
CN102808628B (zh) * 2012-08-18 2014-09-24 山东新阳能源有限公司 大断面巷道过导水断层的施工方法
HUP1500156A1 (hu) 2015-04-09 2016-11-28 Solexperts Ag Szilárd test, különösen elem építéstechnikai alkalmazásokhoz, valamint eljárás ilyen testek elõállítására
CN112855072B (zh) * 2021-02-04 2022-10-28 河南理工大学 利用浆液及微生物矿化多级封堵围岩裂隙水的装置及方法

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Publication number Publication date
ATE299228T1 (de) 2005-07-15
ES2244388T3 (es) 2005-12-16
EP1108855A1 (fr) 2001-06-20
DE50010662D1 (de) 2005-08-11

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