EP2568113A1 - Tübbing mit thermoplastischer Schottschicht - Google Patents

Tübbing mit thermoplastischer Schottschicht Download PDF

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Publication number
EP2568113A1
EP2568113A1 EP11180966A EP11180966A EP2568113A1 EP 2568113 A1 EP2568113 A1 EP 2568113A1 EP 11180966 A EP11180966 A EP 11180966A EP 11180966 A EP11180966 A EP 11180966A EP 2568113 A1 EP2568113 A1 EP 2568113A1
Authority
EP
European Patent Office
Prior art keywords
tubbing
thermoplastic
schott layer
schott
layer
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.)
Withdrawn
Application number
EP11180966A
Other languages
German (de)
English (en)
French (fr)
Inventor
Ulrich K. Weber
Klaus Meyer
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.)
Sika Technology AG
Original Assignee
Sika Technology 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 Sika Technology AG filed Critical Sika Technology AG
Priority to EP11180966A priority Critical patent/EP2568113A1/de
Priority to JP2014529024A priority patent/JP2014529020A/ja
Priority to BR112014003991A priority patent/BR112014003991A2/pt
Priority to IN189MUN2014 priority patent/IN2014MN00189A/en
Priority to EP12756491.2A priority patent/EP2756168A1/de
Priority to PCT/EP2012/067725 priority patent/WO2013037766A1/de
Priority to RU2013155987/03A priority patent/RU2013155987A/ru
Priority to CN201280036704.3A priority patent/CN103717836A/zh
Publication of EP2568113A1 publication Critical patent/EP2568113A1/de
Priority to US14/206,519 priority patent/US20140193204A1/en
Withdrawn legal-status Critical Current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
    • E21D11/04—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
    • E21D11/385—Sealing means positioned between adjacent lining members
    • 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

Definitions

  • the present invention relates to a tubbing made of concrete for cladding a tunnel, in particular a traffic tunnel.
  • prefabricated concrete parts are prefabricated in prefabricated concrete plants, temporarily stored until the required concrete strength is achieved, and then placed in the tunnel tube for installation as required. There they are taken up by a Tübbingversetz worn, the so-called “erector” in the protection of the shield of the tunnel boring machine and assembled into a tubbing ring. After the tunnel boring machine has been propelled by hydraulic presses against the recently installed segments, a new tubbing ring is installed in the shield's protection. In this way, the machine "tubbing around tubbing ring” works through the ground, the remaining between tunnel (tubbing ring) and bottom annular gap is continuously filled with mortar to z. B. Prevent subsidence.
  • the object of the present invention is therefore to improve tubbings to increase the tightness against moisture, which is located on the outside of the tubbing ring, and the durability, especially against corrosive groundwater.
  • the core of the invention is therefore a tubbing made of concrete for covering a tunnel, in particular a traffic tunnel, wherein the tubbing has a convex-curved outer surface and the outer surface opposite concave-curved inner surface and wherein the tubbing is provided on its outer surface with a thermoplastic Schott layer.
  • the thermoplastic Schott layer is further arranged on all of the outer surface facing sides of the outer side surfaces.
  • the tubbing has a ring segment-shaped structure with a concavely curved inner surface, which is directed to the tunnel interior in the installed state, and an opposite, convexly curved outer surface, which is directed to the surrounding soil in the installed state.
  • These two surfaces are connected laterally via four further surfaces, two longitudinal side surfaces, which in the installed state to the corresponding Longitudinal side surfaces of the adjacent tubbing bear the same tubbing ring, and two end faces, which rest in the installed state of the corresponding end faces of the adjacent tubbing of an adjacent tubbing ring.
  • the tubbing preferably has an outer surface of the frame-shaped circumferential recess and the Schott layer engages in the recess.
  • the Schott layer fills the recess at least partially, in particular completely.
  • tubbing according to the invention By virtue of the tubbing according to the invention, no separate second operation is required for the final sealing of the concave-curved outer surfaces of the tubbings facing the exterior of the tunnel. Also eliminates a possible second tubbing ring. Furthermore, tubbings with smaller wall thicknesses can be used / manufactured, as they are far superior to conventional tubbings in terms of waterproofness and resistance to corrosive groundwater. Both leads to a reduction of the space requirement of the tunnel wall and thereby to an interior gain and to a reduction of the required building material. Furthermore, the tubbing according to the invention permits the use of alternative, less watertight and less corrosion-resistant types of concrete. Furthermore, segmental rings made from segments according to the invention have excellent rear-run safety and tightness.
  • FIG. 1 a lateral cross section through a tubbing.
  • FIG. 2 shows FIG. 2 another lateral cross section through a tubbing.
  • FIG. 3 Parts of another lateral cross section through a tubbing with an injection port.
  • FIG. 4 Parts of a lateral cross section through two segments which are connected on the shock side.
  • FIG. 5 Parts a lateral view of a tubbing without the thermoplastic Schott layer.
  • FIG. 1 a lateral cross-section through a tubbing according to the invention is shown.
  • the tubbing 1 is provided on its convex-curved outer surface 2 with a thermoplastic Schott layer 4.
  • the thermoplastic Schott layer is further arranged on all of the outer surface facing sides of the outer side surfaces (longitudinal side surfaces 7 and end faces 8), in FIG. 1 the two longitudinal side surfaces 7 are shown.
  • an excellent composite of the thermoplastic Schott layer 4 with the tubbing and a high rear safety are guaranteed.
  • the enlargement of the contact surface of the contacting thermoplastic Schott layers in comparison with, for example, a Schott layer which lacks an arrangement on all sides of the outer side facing the outer surface, achieves a higher sealing effect at joints between two segments.
  • thermoplastic Schott layer 4 is connected over the entire surface with the outer surface 2, in particular glued, resulting in an improvement of the rear safety.
  • thermoplastic Schott layer 4 In order to be as suitable as a thermoplastic Schott layer 4, it should be as waterproof as possible and even under prolonged influence of water or moisture, do not decompose or be mechanically damaged. In particular, such materials are suitable as the thermoplastic Schott layer, as they are already used in the prior art for sealing purposes in building construction and civil engineering.
  • thermoplastic Schott layer is made of a material having a softening point of more than 110 ° C, preferably between 140 ° C and 170 ° C.
  • the thermoplastic Schott layer should advantageously have an at least low degree of elasticity in order to be able to bridge, for example, temperature differences caused by expansion differences between thermoplastic Schott layer and tubbing, without damaging or tearing the thermoplastic Schott layer and impairing the sealing function of the Schott layer.
  • thermoplastic Schott layer contains thermoplastic polyolefins and / or polyvinyl chloride (PVC).
  • PVC polyvinyl chloride
  • the thermoplastic bulkhead comprises material selected from the group consisting of high density polyethylene (HDPE), medium density polyethylene (MDPE), low density polyethylene (LDPE), polyethylene (PE), polypropylene (PP), Polyethylene terephthalate (PET), polystyrene (PS), polyvinyl chloride (PVC), polyamides (PA), ethylene-vinyl acetate (EVA), chlorosulfonated polyethylene and thermoplastic polyolefins (TPO).
  • HDPE high density polyethylene
  • MDPE medium density polyethylene
  • LDPE low density polyethylene
  • PE polyethylene
  • PP polypropylene
  • PET Polyethylene terephthalate
  • PS polystyrene
  • PVC polyvinyl chloride
  • PA polyamides
  • EVA ethylene-vinyl acetate
  • TPO thermoplastic polyolefins
  • thermoplastic Schott layer consists of more than 50 wt .-%, particularly preferably more than 80 wt .-%, of the aforementioned materials.
  • thermoplastic Schott layer advantageously has a layer thickness in the millimeter range, typically between 0.2 and 15 mm, preferably between 1 and 2 mm.
  • thermoplastic Schott layer 4 on the convex-curved outer surface 2 side facing a surface treatment.
  • Surface treatments such as corona treatment, fluorination and flame treatment of the thermoplastic Schott layer can improve the adhesion of the thermoplastic Schott layer to the tubbing.
  • a surface treatment may also be applied to the aforementioned location, a fleece, which serves to improve the adhesion.
  • thermoplastic Schott layer 4 has a water-swellable profile 6, which is arranged on the side facing away from the outer side surfaces (7, 8), as shown in FIG FIG. 2 .
  • FIG. 3 and FIG. 4 is apparent.
  • the water-swellable profile 6 contains water-swellable materials.
  • water-swellable materials in the present document means materials which upon contact with water increase their volume to a multiple, typically between 200 - 1000% of the original volume. In addition to increasing the volume, certain water-swellable materials can also chemically react with water. Examples of such water-swellable materials are polyurethane-based bulking agents, in particular silane-modified polymers which cure to an elastic product by moisture. Another example of such swelling agents are bentonite-butyl rubbers or the acrylic acid-based polymers grouped under the name "superabsorbent" (Superabsorbent Polymers, SAP), typically copolymers of acrylic acid and sodium acrylate, for example from BASF SE, Germany.
  • SAP Superabsorbent Polymers
  • the water-swellable profile 6 further contains materials as described above as being preferred for the thermoplastic Schott layer 4. This is advantageous in that the water-swellable profile 6 can be well bonded to the thermoplastic Schott layer 4, for example by welding, gluing and / or vulcanization.
  • FIG. 2 An arrangement of the water-swellable profile 6 shown by way of example is advantageous in that it causes the water-swellable profile 6 to lie at the joints between two segments, as is the case for example in FIG. 4 is visible.
  • the tubbing preferably has an outer surface 2 frame-shaped circumferential recess 5 and the Schott layer 4 engages in the recess, as for example in FIG. 2 is apparent.
  • FIG. 5 shows in a lateral plan view of the outer surface 2 frame-shaped circumferential recess 5 of the tubbing without the thermoplastic Schott layer.
  • the Schott layer fills the recess at least partially, in particular completely.
  • the recess is arranged in the contact area of the outer surface 2 with the outer side surfaces 7 and 8. This has the advantage, among other things, that the tubbing is less susceptible to damage during manufacture, transport or installation, because mechanical load peaks occur, especially at the side edges.
  • the contact surface of the contacting thermoplastic bulkhead layers is enlarged, thereby achieving a higher sealing effect.
  • the tubbing preferably has a the outer side surfaces (7, 8) circumferential sealing groove 9, in which a sealing body 10 is arranged, as in FIG. 2 is apparent.
  • the sealing groove is formed in the tubbing and is located therein, typically pressed, a sealing body.
  • the sealing body 10 is typically a hollow body.
  • materials are suitable which are known as sealing materials for sealing rings and / or materials as they were previously described as a swellable material.
  • the sealing body 10 consists of ethylene-propylene-diene rubber (EPDM).
  • the tubbing preferably has a sealing coating 11 between the outer surface 2 and the thermoplastic Schott layer 4, as shown in FIG FIG. 2 and FIG. 3 is apparent.
  • the sealing coating is selected from the group consisting of methacrylate resin, polyester resin, epoxy resin and polyurethane.
  • Such a sealing coating 11 is advantageous in that thereby the tubbing is protected from the ingress of moisture. This further enhances the sealing effect of the tubbing. Further, in the manufacture of the tubbing, a large loss of moisture during the curing of the green body can be prevented.
  • the sealing coating 11 is typically applied by spraying or brushing on the tubbing.
  • the sealing coating 11 is arranged at least partially on all outer side surfaces (7, 8), in particular on the region between the recess 5 and the sealing groove 9, as shown in FIG FIG. 3 is apparent.
  • sealing body 10 are all materials in question, which are suitable to reduce the passage of liquids, especially water, respectively to prevent.
  • the sealing body is made of a thermoplastic or a thermoplastic elastomer.
  • Thermoplastic elastomers have the advantage that the sealing body thereby has a good elasticity with respect to horizontal and vertical displacements, in particular displacements due to mechanical stresses in the structure. A good elasticity of the seal body prevents cracking or detachment of the seal body and thus a failure of the seal.
  • thermoplastic elastomers in this document are understood as meaning plastics which combine the mechanical properties of vulcanized elastomers with the processability of thermoplastics.
  • thermoplastic elastomers are block copolymers with hard and soft segments or so-called polymer alloys with correspondingly thermoplastic and elastomeric constituents.
  • Further advantageous materials for sealing bodies are materials which are selected from the group consisting of acrylate compounds, polyurethane polymers, silane-terminated polymers and polyolefins.
  • the tubbing preferably has an adhesive layer 12 between the outer surface 2 and the thermoplastic Schott layer 4.
  • adhesive layer 12 are all materials in question, which are suitable to ensure a solid bond of the thermoplastic Schott layer 4 on the tubbing.
  • the adhesive layer consists of a structural adhesive, in particular a reaction adhesive based on phenolic resin, epoxy resin, polyimides or polyurethane, a pressure-sensitive adhesive and / or a hotmelt adhesive.
  • a reaction adhesive based on phenolic resin, epoxy resin, polyimides or polyurethane
  • a pressure-sensitive adhesive and / or a hotmelt adhesive.
  • Structural adhesives, pressure sensitive adhesives, and hot melt adhesives are well known to those skilled in the art and are described in U.S. Patent Nos. 3,898,866, 4,869,866 CD Römpp Chemie Lexikon, Version 1.0, Georg Thieme Verlag, Stuttgart ,
  • the adhesive layer 12 is the sealing coating 11, i.
  • the sealing coating 11 still leads to an adhesive bond between the thermoplastic Schott layer 4 and the outer surface 2 of the tubbing.
  • the tubbing injection ports 13 may have. They penetrate the tubbing from the convex-curved outer surface to the concave-curved inner surface, they also penetrate the thermoplastic Schott slaughter 4. These allow injecting injection material after joining the tubbing ring, ie in the installed state, from the inside of the tubbing ring in the area between surrounding Soil and the convex outer surface. Typically, after or during the retraction of the protective shield, the annular gap remaining between the tunnel lining (tubbing ring) and the surrounding soil is continuously filled with mortar.
  • injection material 13 can additionally press injection material into the region between the tubbing ring, ie the thermoplastic Schott layers of the tubbing ring forming the tubbing ring, and the annular gap filled with mortar. As a result, the injection openings 13 and the intermediate area are closed in a fluid-tight manner.
  • the injection material hardens after introduction into the intermediate region and thereby expands and / or is water-swelling in the hardened state.
  • the injection material is preferably selected from the list consisting of polyurethane, epoxy resin, acrylates and mineral binder.
  • the injection material contains water-swellable materials.
  • the injection material is a Sika® Injection series of products such as Sika® Injection-201 CE, Sika® Injection-201 RC, Sika® Injection-203, Sika® Injection-451, Sika® Injection-304, Sika ® Injection-305, Sika® Injection-306, the Sika® InjectoCem series, such as Sika® InjectoCem-190 or Sikadur®-52 Injection.
  • this can be injected under pressure via the injection openings 13 into the intermediate area by means of a single- or two-component pump via filling and injection hoses (injection packers).
  • the tubbing is preferably suitable for tunnels with a diameter of 0.5-50 m.
  • Another aspect of the invention relates to a building, in particular a tunnel, comprising a tubbing according to the invention.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (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)
  • Laminated Bodies (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
EP11180966A 2011-09-12 2011-09-12 Tübbing mit thermoplastischer Schottschicht Withdrawn EP2568113A1 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP11180966A EP2568113A1 (de) 2011-09-12 2011-09-12 Tübbing mit thermoplastischer Schottschicht
JP2014529024A JP2014529020A (ja) 2011-09-12 2012-09-11 熱可塑性密封層を有するタビング
BR112014003991A BR112014003991A2 (pt) 2011-09-12 2012-09-11 tubagem com uma camada de vedação termoplástica
IN189MUN2014 IN2014MN00189A (pt) 2011-09-12 2012-09-11
EP12756491.2A EP2756168A1 (de) 2011-09-12 2012-09-11 Tübbing mit thermoplastischer schottschicht
PCT/EP2012/067725 WO2013037766A1 (de) 2011-09-12 2012-09-11 Tübbing mit thermoplastischer schottschicht
RU2013155987/03A RU2013155987A (ru) 2011-09-12 2012-09-11 Тюбинг, содержащий термопластичный герметизирующий слой
CN201280036704.3A CN103717836A (zh) 2011-09-12 2012-09-11 具有热塑性隔层的预制管片
US14/206,519 US20140193204A1 (en) 2011-09-12 2014-03-12 Tubbing having a thermoplastic sealing layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11180966A EP2568113A1 (de) 2011-09-12 2011-09-12 Tübbing mit thermoplastischer Schottschicht

Publications (1)

Publication Number Publication Date
EP2568113A1 true EP2568113A1 (de) 2013-03-13

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EP11180966A Withdrawn EP2568113A1 (de) 2011-09-12 2011-09-12 Tübbing mit thermoplastischer Schottschicht
EP12756491.2A Withdrawn EP2756168A1 (de) 2011-09-12 2012-09-11 Tübbing mit thermoplastischer schottschicht

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP12756491.2A Withdrawn EP2756168A1 (de) 2011-09-12 2012-09-11 Tübbing mit thermoplastischer schottschicht

Country Status (8)

Country Link
US (1) US20140193204A1 (pt)
EP (2) EP2568113A1 (pt)
JP (1) JP2014529020A (pt)
CN (1) CN103717836A (pt)
BR (1) BR112014003991A2 (pt)
IN (1) IN2014MN00189A (pt)
RU (1) RU2013155987A (pt)
WO (1) WO2013037766A1 (pt)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014111583A1 (de) * 2013-01-18 2014-07-24 Sika Technology Ag Verfahren zur herstellung eines tübbing mit thermoplastischer schottschicht
DE102013109594A1 (de) * 2013-09-03 2015-03-19 MAX BÖGL Fertigteilwerke GmbH & Co. KG Tübbing mit einer gegossenen Schutzschicht sowie Verfahren zur Herstellung eines derartigen Tübbings
EP3146155A2 (fr) * 2014-05-21 2017-03-29 Constructions Mécaniques Consultants Élément de construction pour la réalisation d'un tunnel, tunnel comprenant un tel élément et procédés de fabrication d'un tel élément et d'un tel tunnel

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK2921643T3 (da) * 2014-03-21 2020-09-07 Herrenknecht Ag Beskyttelseselement, betonelement og fremgangsmåde til fremstilling af et betonelement
ES2746291T3 (es) * 2015-06-04 2020-03-05 Sika Tech Ag Composición de acrilato para obturar construcciones de túnel
CN106593487B (zh) * 2017-02-03 2018-09-11 天津大学 用于隧道联络通道处冻结法施工的可拆卸钢管段施工方法
JP7131105B2 (ja) 2018-06-11 2022-09-06 日本製鉄株式会社 セグメント
EP3591166B1 (de) * 2018-07-02 2021-06-02 Herrenknecht Aktiengesellschaft Tunnelausbau zusammengesetzt aus wenigstens zwei betonelementen

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014111583A1 (de) * 2013-01-18 2014-07-24 Sika Technology Ag Verfahren zur herstellung eines tübbing mit thermoplastischer schottschicht
DE102013109594A1 (de) * 2013-09-03 2015-03-19 MAX BÖGL Fertigteilwerke GmbH & Co. KG Tübbing mit einer gegossenen Schutzschicht sowie Verfahren zur Herstellung eines derartigen Tübbings
EP3146155A2 (fr) * 2014-05-21 2017-03-29 Constructions Mécaniques Consultants Élément de construction pour la réalisation d'un tunnel, tunnel comprenant un tel élément et procédés de fabrication d'un tel élément et d'un tel tunnel
EP3146155B1 (fr) * 2014-05-21 2023-03-08 Constructions Mécaniques Consultants Élément de construction pour la réalisation d'un tunnel, tunnel comprenant un tel élément et procédés de fabrication d'un tel élément et d'un tel tunnel

Also Published As

Publication number Publication date
IN2014MN00189A (pt) 2015-08-21
WO2013037766A1 (de) 2013-03-21
RU2013155987A (ru) 2015-10-20
JP2014529020A (ja) 2014-10-30
EP2756168A1 (de) 2014-07-23
US20140193204A1 (en) 2014-07-10
CN103717836A (zh) 2014-04-09
BR112014003991A2 (pt) 2017-03-07

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