EP3146156A1 - Élément de protection destiné à être relié à un élément en béton d'une construction de tunnel présentant un drainage - Google Patents

Élément de protection destiné à être relié à un élément en béton d'une construction de tunnel présentant un drainage

Info

Publication number
EP3146156A1
EP3146156A1 EP16741235.2A EP16741235A EP3146156A1 EP 3146156 A1 EP3146156 A1 EP 3146156A1 EP 16741235 A EP16741235 A EP 16741235A EP 3146156 A1 EP3146156 A1 EP 3146156A1
Authority
EP
European Patent Office
Prior art keywords
protective
concrete
hollow body
drainage
element according
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.)
Granted
Application number
EP16741235.2A
Other languages
German (de)
English (en)
Other versions
EP3146156B1 (fr
Inventor
Jörg Riechers
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.)
Herrenknecht AG
Original Assignee
Herrenknecht AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Herrenknecht AG filed Critical Herrenknecht AG
Publication of EP3146156A1 publication Critical patent/EP3146156A1/fr
Application granted granted Critical
Publication of EP3146156B1 publication Critical patent/EP3146156B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/0607—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2002/0256—Special features of building elements
    • E04B2002/0265—Building elements for making arcuate walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2002/0256—Special features of building elements
    • E04B2002/0286—Building elements with coatings
    • 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
    • E21D11/08—Lining with building materials with preformed concrete slabs
    • 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

Definitions

  • the invention relates to a protective element for connecting to a concrete element of a tunnel construction having a protective portion having a first concrete element facing side, on which at least one connecting element for establishing a holding connection of the protective portion is provided with the concrete element, wherein the protective portion of at least a plastic.
  • Such concrete elements or protective elements are known inter alia from WO 2005/024183 A1 and from WO 201 1/085734 A1.
  • An alternative embodiment is known from JP 2004132002.
  • Such concrete elements are referred to in the jargon as "tubbing" and z. B. used in mechanical tunneling by shield tunneling.
  • tunnel boring machines comprising a drill head, behind which a cylindrical shield is arranged with a shield shell and a tail shield.
  • the shield has a smaller outer diameter than the drill head so that there is no direct contact between tunnel wall and shield.
  • the concrete elements are positioned on the edge of the sign in the tail shield. They are pressed against the advancing direction of the adjacent last-applied concrete elements and connected to them.
  • Several concrete elements together form a ring over the entire circumference of the tunnel.
  • the gap between ring and tunnel wall is filled with mortar, if necessary, z. B. to prevent subsidence.
  • WO 2005/0241863 A1 discloses in the center of
  • CONFIRMATION COPY Concrete element an injection hole, which is designed as a connecting the outer surface of the concrete element with the inner surface of the concrete element hole. After the single concrete element is positioned and connected to its adjacent concrete elements, mortar is injected between the concrete element and the tunnel wall via the injection hole. This prevents subsidence in the soil surrounding the concrete elements.
  • the concrete element can be offset and positioned by means of the injection hole by engaging a suitable tool.
  • This type of tunneling is also used, among other things, for the construction of sewers, in particular of larger manifolds. In this case, as with other possible uses also, increased demands on the tightness of the cladding of the tunnel.
  • the inside of the tubbings is sealed with a covering, so that no waste water and no rising from the sewage gases can pass through the tunnel walls in the concrete and damage it (corrosion).
  • the protective layer of protective elements protects the concrete of the concrete element from the action of aggressive (for example corrosive) gases or liquids. Together with seals, the protective elements of the concrete elements of the lining thus seal the tunnel from the inside.
  • the concrete element is prefabricated with the protective element produced, whereby a sealing of the lining as a separate step in tunneling, for example, the welding of the joints between the protective elements / protective layers of adjacent concrete elements deleted.
  • this protective layer consists of glass fiber plastic or polyethylene (PE), according to WO 201 1/085734 A1 from polydicyclopentadiene (pDCPD), or according to JP2004132002 from a synthetic resin and in particular from polyethylene (PE), polypropylene (PP ), PVC, polyester or vinyl ester and is firmly anchored by means of mechanical anchoring in the concrete, so that an inseparable connection of the protective layer with the concrete is formed.
  • the protective layer is designed so that only the inside of the tubbing element is covered (JP2004132002) or a side surface of the concrete element is partially also included (WO 2005/024183 A1, WO 201 1/085734 A1).
  • a seal which projects beyond the protective layer is subsequently provided on the side surface.
  • the seal is made of an elastic material, so that when assembling the individual tubbing for tunneling the joints between the adjacent concrete elements are closed by the seal.
  • the closing of the joints can be effected by welding the individual protective layers provided on the inside of the concrete elements.
  • the concrete element itself is produced according to WO 2005/024183 A1 by means of a formwork.
  • a protective layer is placed on the formwork floor.
  • the formwork if provided, also provided on the side walls of the formwork protective layer elements.
  • the formwork if provided, has a recess into which the seal is inserted. Subsequently, in conjunction with reinforcement, the concrete is introduced into the formwork. After hardening of the concrete, the tubbing is used as a tunnel extension.
  • WO 2005/024183 A1 proposes that the protective element is produced from an injection-moldable plastic and that an integral connection between the seal and the protective element is provided by the gasket being connected to the protective element during encapsulation.
  • the entire ring may not be covered with a protective layer, but in the sole region, the protective layer is cut out in the area that does not fall dry.
  • the upcoming water can then flow out to the sole on the side facing the concrete elements and then enter the tunnel and drain it. This is possible if this area does not fall dry, so that no corrosion of the concrete occurs.
  • Such a structure is not possible if the wastewater itself can not be diluted or if the wastewater itself is already so aggressive that the concrete is affected.
  • the object of the invention is to provide a protective element, with the corrosion of the concrete by gases and liquids can be safely avoided and at the same time a detachment of the protective element is avoided by the concrete.
  • the object according to the invention is achieved in that the protective section has at least one drainage element through which a liquid can pass from the first side of the protective section to the opposite side of the protective section facing away from the concrete element.
  • a further teaching of the invention provides that the drainage element has a closure element and preferably a receptacle for a closure element for closing the drainage element with respect to the opposite side of the protection section, preferably for closing the opening. This makes it possible in a simple manner to ensure adequate corrosion protection and at the same time to avoid detachment of the protective elements.
  • a further teaching of the invention provides that the closure element is arranged biased in the opening, wherein preferably for providing the bias of a spring element or an elastic element is provided. Preloading can ensure that drainage only takes place when certain limit pressures are reached, beyond which a critical value is given with regard to anchoring the protective element in the concrete.
  • a further teaching of the invention provides that the drainage element corresponding to the opening has a hollow body, preferably in the form of a sleeve.
  • the hollow body is an erectile dowel. The provision of a hollow body ensures that adequate removal of the groundwater in the area of the protective element is ensured.
  • a further teaching of the invention provides that at least one hollow body opening is provided in a wall of the hollow body through which the liquid can pass from the first side into the sleeve.
  • a closure body is provided in and / or in front of the at least one hollow body opening, which is preferably designed such that the hollow body opening can be released after exceeding a limiting pressure. This may also be a membrane.
  • the protective section has at least one bottom section or at least one bottom section and at least one wall section. In this way it is possible to achieve a particularly high sealing effect of the protective element in connection with the concrete element.
  • the protective element has at least one seal, which is integrally connected to the protective portion, wherein the compound is gas-tight and liquid-tight.
  • the at least one drainage element is provided on at least one bottom section and / or at least one wall section.
  • a further teaching of the invention provides that the integral connection of the seal with the protective portion by injection molding with the at least one Plastic is made. This makes it possible to limit the injection molding substantially to the direct connection of the bottom portion with the seal.
  • the integral connection of the seal and the connecting elements with the protective portion of a liquid-tight and gas-tight connection is made in a particularly simple manner.
  • injection molding can be ensured that the protective elements are produced with consistently high quality, so that with respect to the finished concrete element, the protective effect of the protective element is particularly high and consistently high quality, regardless of the manufacturing process of the concrete element.
  • the protective element is formed so that, relative to the seal, provided on at least three sides enclosure of the sealing material with the injection molding material is provided.
  • the base section has at least one region in the form of a second of at least one plastic, that the second section substantially consists of a foil, a plate or a web, which is preferably connected to connecting elements, and / or that the second section is formed from a further plastic.
  • This makes it possible to connect at least one prepared section of the protective element with the injection-moldable plastic so that a sufficient tightness of the protective element can be achieved.
  • this makes it possible to reduce the production costs of the protective element in a simple manner, since it becomes possible on the one hand to reduce the injection quantity and thereby simplify the manufacture and the injection mold.
  • Injection molding here means all processes which can be subsumed under injection molding, ie processes in which directly one or more thermoplastics / thermosetting plastics / elastomers, for example as polymers or monomers, are introduced into a mold alone, individually, successively or simultaneously (for example US Pat Overmolding / overmolding or multi-component injection molding), or in which monomers are processed, which are only in the injection mold to polymers (for example, reaction overmolding).
  • the connecting element is an anchor structure, a honeycomb structure, a web, a pin and / or a surface element with openings.
  • the connecting element is a projection, which preferably consists of the same plastic as the bottom section and / or wall section.
  • the protective portion is integrally connected to the at least one connecting element, wherein preferably the one-piece connection is made by injection molding of the plastic.
  • surface elements such as honeycomb structures or surface sections with through openings, allow a particularly good anchoring of the protective element with the concrete element over the entire surface of the protective element.
  • pins or the like which may extend further into the concrete of the concrete element, an increased punctual Garkrafterhöhung can be achieved.
  • a further teaching of the invention provides in this context that, moreover, a ceiling element is provided, so that a hollow body is produced, in which then subsequently the concrete and possibly already during injection molding reinforcement is introduced. This is particularly advantageous if the concrete element must be protected on its outer sides against aggressive waters in the mountains.
  • a further teaching of the invention provides that the plastic is a polydicyclopentadiene (pDCPD), preferably in a high-temperature-resistant form, or a resin, reinforcing elements, such as glass fibers, being optionally added to the plastic resin.
  • pDCPD polydicyclopentadiene
  • the plastic of the surface element is a thermoplastic, preferably PE.
  • PE thermoplastic
  • Components of these, such as plates, sheets or films can be locally produced directly locally, so that Significant transport and possibly also storage costs of finished products deleted.
  • the teaching of the invention provides that a protective element as described above is used. This is then a concrete element for creating a tunnel construction with a convex outer surface and an opposite inner surface), wherein a protective element is connected to the inner surface via at least one connecting element, characterized in that the protective element is a protective element as described above.
  • Fig. 1 is a spatial representation of an inventive
  • FIG. 2 shows a sectional view of the protective element according to FIG. 1, FIG.
  • FIG. 4 shows a detail in a sectional view of an inventive
  • Fig. 5 is a detail in sectional view of an inventive
  • Protective element 'of a third embodiment of a drainage element 6b is a side view of components of the drainage element to Fig. 6a, Fig. 6c is a plan view to Fig. 6b,
  • 6d is a partially sectioned side view of the drainage element to FIG.
  • FIG. 6e a partially cutaway side view of the drainage element to FIG.
  • Fig. 7a is a detail in sectional view of an inventive
  • FIG. 7b is an enlarged sectional view of Fig. 7a
  • Fig. 8 is a detail in sectional view of an inventive
  • a concrete element 10 according to the invention is a segment section (tubbing) of a tunnel construction.
  • the segment section has a convex upper side 11 and an underside 12 arranged opposite thereto (hidden in FIG. 1 by a protective element 20).
  • the protective element 20 is arranged on the inner side 12 of the concrete element.
  • the protective element 20 has a bottom section 21 and wall sections 22, 23. At these wall portions 22, 23, a receiving portion 29 is provided, in which a seal 30 is arranged.
  • the connection between seal 30 and protective element 20 takes place, for example, by injection molding.
  • the concrete element can also have only one protective element 20 with a bottom section 21 (not shown).
  • a seal 30 can, must but not intended. If no seal is provided, the joints between the individual protective elements 20 of the concrete elements 10 are welded together.
  • the protective element 20 has, as shown in Fig. 2, a bottom portion 21, on the outer sides wall portions 22, 23 are arranged substantially at right angles, but also in any other arrangement.
  • the inside of the bottom section 21 has pin elements 17.
  • webs can also be arranged parallel to an outer wall and webs to the outer wall arranged at right angles thereto. The webs may for example be provided with openings through which concrete 16 can pass and thus produces a particularly well-retaining compound after curing.
  • the seal 30 is arranged.
  • the seal 30 is made of an elastic plastic.
  • the seal 30 has a sealing surface 31 which strikes either a different concrete surface or another sealing surface 31 of a seal 30 when assembling the individual concrete elements.
  • the seal has 30 chambers 32.
  • the elastic plastic of the seal 30 is deformed and the chambers 32 are compressed.
  • the sealing surface 31 holding projections 33 are arranged, which engage in the plastic of the side wall 22, 23 of the protective element 20.
  • a protective element 20, as shown in FIG. 2 can be produced, for example, by injection molding. Alternative embodiments are shown in FIGS. 3a to 3d.
  • 3a to 3d show alternative embodiments of the protective element 20 with regard to the fact that the protective element 20 or the bottom section and / or the wall section at least partially defines a second section 28 of prefabricated semi-finished products such as webs with projections arranged thereon are made.
  • 3a to 3d show various exemplary types of connection of the second portion 28 with a first portion 25, which was produced for example by injection molding. This connection can occur in an abrupt manner (FIGS. 3 a, 3 d and 3 c) or the second section 28 is encompassed by the first section 25 on one side (not shown) or on both sides (FIG. 3d).
  • the planar element forming the second section 28 is not only provided as part of the bottom section 21 but also as wall section 22, 23.
  • the jerky connection as shown in Fig. 3a, 3d and 3c, has surprisingly proved to be sufficient in particular in the connection of PE as a sheet-like element and pDCPD as injection-plastic of the first portion 25.
  • PE as a sheet-like element
  • pDCPD as injection-plastic of the first portion 25.
  • FIGS. 2 to 3d schematically shows a drainage element 40, which is shown in the form of an opening 41 in the protective element 20 in the bottom section 21.
  • the drainage element 40 has a hollow body 42 which corresponds to the opening 41 at its lower end 43.
  • Embodiments of the drainage element are shown in FIGS. 4 to 6e.
  • Fig. 4 shows the opening 41 in the protective element 20.
  • a hollow body 42 is arranged, which is attached to the bottom portion 21 via a weld 43 'fixed (in one piece).
  • the hollow body 42 has an inner space 44 which is defined by the wall 45 and a cover element 46.
  • the hollow body 42 may be an erectile dowel via which handling of the concrete element takes place during installation in the tunnel.
  • the wall 45 has a recess 47 which is arranged on the inner wall 48. In this recess hollow body bores 50 are provided, via which the groundwater from the inside A of the protective element 20 into the interior 44 passes the hollow body 42. From here it then passes through the opening 41 to the outer side B of the protective element 20.
  • closure elements 49 are provided in the hollow body bores 50 . This may be, for example, elements that are movably provided in the bore 50 and but due to the friction between the closure member 49 and bore 50 oppose the groundwater resistance and only after reaching a limit pressure by the groundwater from the bore 50 into the interior 44 are moved. Alternatively, the closure member 49 integrally connected to the bore 50 a, in which case the connection breaks when the limit pressure is exceeded.
  • FIG. 5 shows the opening 41 in the protective element 20.
  • a hollow body 42 is arranged. This can again be an erectile dowry.
  • a connection element 51 is provided with an internally threaded portion 52.
  • the connection of the connecting element 51 with the protective element 20 or also of the hollow body 42 with the protective element 20 can take place at a drainage element 40, for example by welding, gluing.
  • the hollow body 42 has on its outer wall 53 a male threaded portion 54 corresponding to the female threaded portion 52. The hollow body 42 is then screwed with its male threaded portion 54 in the female threaded portion 52 of the connecting element 51.
  • a recess 55 is provided, which is designed here, for example, circumferential. Another embodiment would be that the recess 55 is provided only in sections on the inner wall 48.
  • the depression 55 serves to hold at least one portion 56 of the closure element 49.
  • the closure element 49 is embodied as a ceiling-shaped with a cavity 57 here. It has a bottom portion 58 and a wall 59. An embodiment as a solid body is also possible, for example. About the portion 56, the closure member 49 in the interior 44 of the hollow body 42 in the recess 55 arranged that the opening 41 is closed. The closure element 49 is clamped over the portion 56 in the recess 55.
  • FIGS. 6a to 6e show a further embodiment of a drainage element 40.
  • the opening 41 in the protective element 20 is arranged.
  • a hollow body 42 is arranged. This can again be an erectile dowry.
  • a recess 55 is provided, which is designed here, for example, circumferential.
  • a recess 47 is provided with the hollow body bores 50.
  • a closure member 60 is shown in the recess 47, for example in the form of an O-ring, which closes the holes 50. The closing may be useful, for example, during the connection of the protective element 20 with the concrete 16 in the manufacture of the concrete element 10, so that no concrete enters the drainage element 40.
  • FIGS. 6b and 6c show an embodiment of the closure element 50.
  • the closure element 60 has a closure section 61 which is connected to an abutment element 62.
  • the abutment member 62 has a rod portion 63 which is movably and slidably provided with the shutter portion 61.
  • a blind hole 64 is provided in the closure portion, in which engages the rod portion.
  • a respective bearing surface 65 is provided, and between which a spring element 66 is arranged biased, wherein it is arranged here around the rod portion 6.
  • Fig. 6c shows a plan view the abutment member 62 having a peripheral outer portion 67 are provided on the connecting portions 68 for the rod portion 63. Between the outer portion 67, the connecting portions 68 and the rod portion 63 openings 69 are provided through which the groundwater can pass.
  • FIG. 6 d shows how the closure element 50 is arranged in the drainage element 40.
  • the abutment element 62 is arranged in the recess 70.
  • the closure portion 61 is disposed over portions 56 in the recess 55.
  • the spring element 66 pulls the closure section 61 and the abutment element 62 towards each other and thus biases the closure element 61.
  • the O-ring 60 is removed from the hollow body 42 from the recess 47 and the hollow body bores 42 are free.
  • Fig. 6e the triggered or open state of the drainage element 40 is shown.
  • the closure element 61 was released from the recess 55 and moved against the spring force of the spring element from the hollow body 42 and through the opening 41 therethrough.
  • the opening 41 is released and the groundwater can flow from the inside A to the outside B.
  • the closure element 61 is held by the spring element 66 and does not fall into the tunnel.
  • the closure element 61 can then be pushed back into the drainage element 40 until the section 56 of the closure element 61 again engages in the depression 55, so that the drainage element 40 again opens from an open position a closed state can be transferred.
  • FIG. 7a and 7b Another embodiment of the invention is shown in Figs. 7a and 7b.
  • the opening 41 is provided, on which a drainage element 40 is provided.
  • a hollow body 42 is arranged, in which there is a connection element 51 with an internally threaded portion 52. Die Connection of the connecting element 51 with the protective element 20 can take place in such a drainage element 40, for example by welding, gluing. It is also possible to provide the hollow body 42 in one piece and integrally with the protective element by producing the hollow body 42 directly together with the protective element, for example by injection molding.
  • a further hollow body 42 ' for example, again an erectile dowel or a screw plug, is introduced into the internally threaded portion 52 of the connecting element 51, with an externally threaded portion 54, which is attached to its outer wall 53 and corresponds to the internal threaded portion 52.
  • the at least one opening 50 is provided here in the connection element 51.
  • a sealing element 71 for example in the form of a rubber element, provided that the at least one opening 50 closes.
  • the sealing element 71 may be arranged on the hollow body 42 ', for example by gluing or the like, or as shown in Fig. 7, is provided on the connection element 51.
  • it can also be connected to the connection element 51 by gluing or the like, or it has a connection element 72, which can enter into a holding connection with the connection element 51.
  • the sealing element is shown with a right-angled protruding connecting element 72 that protrudes in the mounted state in a recess 73 in the connection element 51 and thereby arranges the sealing element 71 on the connection element 51.
  • connection element 51 and hollow body 42 ' are a distance 74, which can be used channel-like for drainage.
  • the distance is closed in the region of the at least one opening 50 with the sealing element 71.
  • another sealing element 75 is provided, here for example in the form of an O-ring, with a permanent sealing of the distance 74 between the connecting element 51 and hollow body 42 'is achieved to prevent uncontrolled leakage of gases or liquids here.
  • the pending liquid passes through the at least one opening 50 against the sealing element 71. This is by its aterialeigenschaft quasi biased. If the pressure is greater than the abutment force / spring force of the sealing element 71, then the sealing element 71 deforms and releases from the inner wall 48 (FIG. 7b), so that a gap D is formed, which opens into the channel-like spacing 74. The liquid may then exit in the closing direction C through the gap D and the distance 74 into the interior.
  • the sealing element 71 expands again and rests against the inner wall 48, so that the gap D closes again and the sealing element is gas-tight and liquid-tight again.
  • FIG. 8 A further embodiment according to the invention is shown in FIG. 8.
  • the opening 41 is provided, on which a drainage element 40 is provided.
  • a hollow body 42 is arranged, which may be a sleeve or a connecting element 51.
  • the hollow body 42 has in the wall 45 in the inner space 44 at least one opening 50 for the passage of the pending liquid and a recess 76.
  • an elastic sealing element 71 is provided in the interior 44 and in particular in the recess 76.
  • the sealing element 71 is further designed so that it covers the at least one opening 50 and thus closes.
  • a closure element 49 is provided holding. This has here by way of example projections 77 which engage in the recess and thus hold the closure element in the hollow body 42.
  • the drainage is done as previously described.
  • the pending liquid passes through the at least one opening 50 against the sealing element 71st This is virtually biased by its material property. If the pressure is greater than the abutment force / spring force of the sealing element 71, then the sealing element 71 deforms and releases from the inner wall 48 (FIG. 7b), so that a gap D is formed, which opens into the channel-like spacing 74.
  • the liquid may then exit in the closing direction C through the gap D and the distance 74 into the interior. Decreases the pressure of the liquid present, the sealing element 71 expands again and is located again at the inner wall 48, so that the gap D closes again and the sealing element is closed again gas and liquid-tight.
  • closure element is pressed down toward the interior in the direction of arrow E. This results in an additional sealing effect within the recess in the horizontal sections 78 of the recess 76. If the liquid continues to rise in the concrete element 10 and the pressure increases beyond a measure , so that the pending liquid can not be discharged through the opening 50. Thus, the closure member 49 can be pressed from the sealing element 71 and the recess 76 and then from the hollow body 42 in the direction of arrow E in the interior to allow a stronger liquid leakage and to prevent damage to the protective element 20.

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

Abstract

L'invention concerne un élément de protection destiné à être relié à un élément en béton d'une construction de tunnel, qui comprend une partie de protection qui comporte un premier côté dirigé vers l'élément en béton (10), sur lequel au moins un élément de liaison (17) est prévu pour établir une liaison de maintien de la partie de protection à l'élément en béton (10). La partie de protection est constituée d'au moins une matière plastique. L'invention est caractérisée en ce que la partie de protection (20) comporte au moins un élément de drainage (40) qui permet de faire passer un liquide du premier côté de la partie de protection (20) au côté de la partie de protection (20) qui est opposé à l'élément en béton (10).
EP16741235.2A 2015-07-16 2016-07-15 Élément de protection destiné à être relié à un élément en béton d'une construction de tunnel présentant un drainage Active EP3146156B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015009063 2015-07-16
PCT/EP2016/001245 WO2017008913A1 (fr) 2015-07-16 2016-07-15 Élément de protection destiné à être relié à un élément en béton d'une construction de tunnel présentant un drainage

Publications (2)

Publication Number Publication Date
EP3146156A1 true EP3146156A1 (fr) 2017-03-29
EP3146156B1 EP3146156B1 (fr) 2018-01-03

Family

ID=56497707

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16741235.2A Active EP3146156B1 (fr) 2015-07-16 2016-07-15 Élément de protection destiné à être relié à un élément en béton d'une construction de tunnel présentant un drainage

Country Status (8)

Country Link
US (1) US10830043B2 (fr)
EP (1) EP3146156B1 (fr)
CN (1) CN107923244B (fr)
CA (1) CA2992503C (fr)
ES (1) ES2667246T3 (fr)
NZ (1) NZ745650A (fr)
SG (1) SG11201800377YA (fr)
WO (1) WO2017008913A1 (fr)

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DK3591166T3 (da) 2018-07-02 2021-08-16 Herrenknecht Ag Tunneludmuring sammensat af mindst to betonelementer
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EP3146156B1 (fr) 2018-01-03
CN107923244A (zh) 2018-04-17
WO2017008913A1 (fr) 2017-01-19
CN107923244B (zh) 2020-05-22
ES2667246T3 (es) 2018-05-10
CA2992503A1 (fr) 2017-01-19
CA2992503C (fr) 2020-03-31
US10830043B2 (en) 2020-11-10
NZ745650A (en) 2020-04-24
SG11201800377YA (en) 2018-02-27
US20190309625A1 (en) 2019-10-10

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