WO2014111583A1 - Verfahren zur herstellung eines tübbing mit thermoplastischer schottschicht - Google Patents
Verfahren zur herstellung eines tübbing mit thermoplastischer schottschicht Download PDFInfo
- Publication number
- WO2014111583A1 WO2014111583A1 PCT/EP2014/051058 EP2014051058W WO2014111583A1 WO 2014111583 A1 WO2014111583 A1 WO 2014111583A1 EP 2014051058 W EP2014051058 W EP 2014051058W WO 2014111583 A1 WO2014111583 A1 WO 2014111583A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- melt adhesive
- hot melt
- adhesive layer
- thermoplastic
- layer
- Prior art date
Links
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
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- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
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- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/022—Particular heating or welding methods not otherwise provided for
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
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- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B13/12—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
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- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
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- B32B37/18—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only
- B32B37/182—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only one or more of the layers being plastic
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- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/385—Sealing means positioned between adjacent lining members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2701/00—Use of unspecified macromolecular compounds for preformed parts, e.g. for inserts
- B29K2701/12—Thermoplastic materials
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2709/00—Use of inorganic materials not provided for in groups B29K2703/00 - B29K2707/00, for preformed parts, e.g. for inserts
- B29K2709/06—Concrete
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
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- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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- B32B2037/1215—Hot-melt adhesive
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- B32B2250/02—2 layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
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- B32B2307/7265—Non-permeable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2398/00—Unspecified macromolecular compounds
- B32B2398/20—Thermoplastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2419/00—Buildings or parts thereof
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
Definitions
- the present invention relates to a process for producing a
- 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.
- segmental rings in the production process require a large amount of space during the individual process steps, in particular if they require interim storage. A shortening of the manufacturing process, in particular of storage times, is therefore of great interest.
- Object of the present invention is therefore to the production of
- Tübbings be improved so that they are protected against moisture, which is located on the outside of the tubbing ring, and sealed and at the same time to ensure a rapid production process, especially with short storage times.
- the core of the invention is a method for producing a tubbing made of concrete for lining a tunnel, in particular a traffic tunnel, wherein the tubbing 1 has a convex-curved outer surface 2 and the outer surface 2 opposite concave-curved inner surface 3 comprising the steps Applying a membrane 4 having a
- 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. Connected laterally these two surfaces are four further surfaces, two longitudinal side surfaces which rest in the installed state on the corresponding longitudinal side surfaces of the adjacent tubbing of the same tubbing ring, and two end faces which rest in the installed state on the corresponding end faces of the adjacent tubbing of an adjacent tubbing ring.
- 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 lead 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.
- the tubbings produced according to the invention permit the use of alternative, less watertight and less corrosion-resistant types of concrete.
- segmental rings made of segments, which were produced in the process according to the invention have excellent rear-run safety and tightness.
- FIG. 1 shows a lateral cross section through a tubbing.
- FIG. 2 shows a further lateral cross section through a
- FIGS. 3 and 4 show steps a) and b) of the method.
- FIG. 1 shows a lateral cross section through a tubing produced according to the invention.
- the tubbing 1 is provided on its convex-curved outer surface 2 with a membrane 4.
- the membrane comprises a hot-melt adhesive layer 5 and a thermoplastic Schott layer 6, wherein the hot melt-adhesive layer 5 faces the tubbing 1.
- the membrane is further arranged over a partial region, preferably on at least one, particularly preferably all, sides of the outer side surfaces (longitudinal side surfaces 7 and front side surfaces 8) facing the outer surface; in FIG. 1, the two longitudinal side surfaces 7 are shown.
- the membrane may extend over the entire outside surface 7 and 8 as well.
- the hot melt adhesive layer is connected over its entire surface to the outer surface 2, in particular adhesively bonded, which leads to an improvement in the rear safety.
- thermoplastic Schott layer 6 In order to be as suitable as a thermoplastic Schott layer 6, 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. It is advantageous if the thermoplastic Schott layer is made of a material having a softening point of more than 110 ° C, preferably between 140 ° C and 170 ° C.
- 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
- thermoplastic polyolefins is understood in particular to mean no natural and synthetic rubbers (according to the definition as found under “rubbers” in Römpp online, version 4.0, Thieme Verlag).
- the thermoplastic bulkhead comprises material selected from the group consisting of high density polyethylene (HDPE), medium density polyethylene (MDPE), low density polyethylene (LOPE), 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
- LOPE 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 0.5 and 4 mm, most preferably between 1 and 2 mm.
- the thermoplastic Schott layer advantageously has a layer thickness in the millimeter range, typically between 0.2 and 15 mm, preferably between 0.5 and 4 mm, most preferably between 1 and 2 mm.
- the thermoplastic Schott layer advantageously has a layer thickness in the millimeter range, typically between 0.2 and 15 mm, preferably between 0.5 and 4 mm, most preferably between 1 and 2 mm.
- the thermoplastic Schott layer advantageously has a layer thickness in the millimeter range, typically between 0.2 and 15 mm, preferably between 0.5 and 4 mm, most preferably between 1 and 2 mm.
- the thermoplastic Schott layer advantageously has a layer thickness in the millimeter range, typically between 0.2 and 15 mm, preferably between 0.5 and 4 mm, most preferably between 1 and 2
- Thermoplastic Schott layers are produced, for example, by calendering or extrusion.
- the thermoplastic Schott layer per se is preferably not a fiber material, in particular not a woven fabric, a scrim or a nonwoven. However, it may be advantageous if a fiber material, in particular a fabric, a scrim or a nonwoven, is incorporated into the thermoplastic Schott layer. Under fiber material throughout the present document is a material to understand, which is composed of fibers.
- a membrane 4 is made by heating the hot melt adhesive composition above the melt temperature to form the hot melt adhesive layer 5, so that the
- Hot melt adhesive composition liquefied and in the
- the application temperature is typically chosen so that the
- Viscosity of the molten hot melt adhesive composition is a good application with commonly used in hot melt adhesives application equipment.
- the application temperature is chosen so that the viscosity is preferably between 1 '500 - 40 ⁇ 00 mPa » s, measured according to Brookfield Thermosel.
- a hot-melt adhesive layer 5 is obtained, which is tack-free at 25 ° C.
- a membrane is obtained, which can be cut to length, cut off, rolled up or further processed directly as required.
- the tubbing preferably has a the outer side surfaces (7, 8) circumferential sealing groove 10, in which a sealing body 1 1 is arranged, as can be seen in Figure 2.
- the sealing groove is formed in the tubbing and is located therein, typically pressed Seal body.
- the sealing body 1 1 is typically a hollow body.
- materials for the sealing body in particular materials are suitable, which are known as sealing materials for sealing rings and / or water-swellable materials.
- water-swellable materials in the present document means materials which on contact with water increase their volume to a multiple, typically between 200 and 1000% of the original volume
- certain water-swellable materials can also react chemically with water of such water-swellable materials are polyurethane-based bulking agents, especially silane-modified polymers which cure by moisture to an elastic product
- swelling agents are bentonite-butyl rubbers or those grouped under the name “superabsorbent” (Superabsorbent Polymers, SAP)
- SAP Superabsorbent Polymers
- the sealing body 1 1 consists of ethylene-propylene-diene rubber (EPDM).
- EPDM ethylene-propylene-diene rubber
- the tubbing preferably has a sealing coating 12 between the outer surface 2 and the hot-melt adhesive layer 5, as can be seen in FIG. 2 and FIG.
- the sealing coating is selected from the group consisting of methacrylate resin, polyester resin, epoxy resin, polyurethane and polyurea. Particularly preferred as a sealing coating is epoxy resin.
- a sealing coating 12 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 strong loss of moisture in the Curing of the green body can be prevented.
- the sealing coating 12 is typically applied by spraying or brushing on the tubbing.
- sealing coating 12 is at least partially disposed on all outer side surfaces 7, 8, in particular on the area between the outer surface 2 and the seal groove 10.
- sealing body 1 1 are all materials in question, which are suitable, the passage of liquids, especially water, to reduce or 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 are used in this document
- thermoplastic elastomers understood that 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.
- hot-melt adhesive composition is a composition which is solid at 25 ° C, melts when heated to the melting temperature and thus becomes flowable. hot melt adhesive composition is able to be applied to a substrate at an application temperature which is above the melting point of the hotmelt adhesive composition, and to be applied to a substrate
- the hotmelt adhesive composition is a non-reactive hotmelt adhesive composition
- the hotmelt adhesive composition melts when heated to the melt temperature, allowing the adhesive bond to dissolve again.
- room temperature is understood in the present document, a temperature of 25 ° C.
- melting point is used to measure the softening point according to the Ring & Ball method according to DIN EN 1238.
- the crossover temperature often referred to as the flow limit, represents the temperature at which the curves of the loss modulus and storage modulus, measured by means of DTMA (Dynamic Mechanical Thermal Analysis) intersect.
- DTMA Dynamic Mechanical Thermal Analysis
- Amplitude gamma 1% (corresponds to 0.8 mrad)
- the melting is typically carried out at a temperature which is substantially, ie at least 20 ° C, in particular at least 30 ° C, preferably at least 40 ° C, below the softening point.
- the hotmelt adhesive layer 5 consists of a non-reactive hotmelt adhesive composition.
- a non-reactive hot-melt adhesive composition this document is directed to a hot-melt adhesive composition that does not have polymers that chemically react with each other at room temperature or at the melting temperature and would result in higher molecular weight species
- Such non-reactive hot-melt adhesive compositions include, in particular, no isocyanate or alkoxysilane or epoxy resins.
- a non-reactive hot-melt adhesive composition is advantageous in that it is tack-free, which permits storage of membranes 4 over a longer period of time, in particular in the form of roles.
- the hot-melt adhesive layer is directly, in particular over the entire surface, connected to the thermoplastic Schott layer.
- no release layer typically with a layer thickness of about 5 pm to 50 ⁇ m, is arranged between the hot-melt adhesive layer and the thermoplastic Schott layer.
- Such separation layers are used, for example, to prevent the migration of low molecular weight substances, for example when using bitumen-type adhesives.
- the hotmelt adhesive layer 5 consists of a
- Hot-melt adhesive composition which has a thermoplastic poly- ⁇ -olefin which is solid at 25 ° C., preferably an atactic poly- ⁇ -olefin (APAO), in particular in an amount of more than 50% by weight, preferably greater than 60% by weight, based on the amount of the non-reactive hot-melt adhesive composition.
- APAO atactic poly- ⁇ -olefin
- an " ⁇ -olefin” is understood in the usual definition to mean an alkene of the empirical formula C x H 2x (x corresponds to the number of carbon atoms) which has a C-C double bond on the first carbon atom (a-carbon).
- Olefins are ethylene, propylene, 1-butene, 1-pentene, 1-hexene, 1-heptane and 1-octene
- 1,3-butadiene nor 2-butene or styrene or olefins are for the purposes of this document ,
- poly-a-olefins are understood to mean, in the usual definition, homopolymers of ⁇ -olefins and copolymers of a plurality of different ⁇ -olefins.
- Atactic polyolefins APAO
- APAO amorphous structure compared to other polyolefins
- these atactic poly- ⁇ -olefins have a softening point of above 90 ° C., in particular between 90 ° C. and 130 ° C.
- the molecular weight M n is in particular between 7,000 and 25,000 g / mol.
- Particularly preferred atactic poly- ⁇ -olefins are available under the trade name Vestoplast® from Degussa.
- propylene-rich atactic poly- ⁇ -olefins and partially crystalline propylene-ethylene-butylene terpolymers.
- the hot-melt adhesive composition further advantageously contains hydrocarbon resins solid at 23 ° C.
- a solid at 23 ° C hydrocarbon resin preferably has a softening point of 100 to 140 ° C, in particular between 1 10 and 130 ° C, on. It has proved to be particularly favorable if the proportion of all hydrocarbon resins solid at 23 ° C. is not more than 20% by weight, in particular not more than 16% by weight, preferably between 10 and 16% by weight, based on the hot-melt adhesive composition.
- the hot-melt adhesive composition furthermore advantageously contains soft resins.
- a soft resin has a softening point between -10 ° C and 40 ° C.
- a soft resin may be a natural resin or synthetic resin.
- soft resins are medium to high molecular weight compounds from the classes of paraffin, hydrocarbon resins, polyolefins, polyesters, polyethers, polyacrylates or amino resins.
- the soft resin preferably has a melting point or softening point between 0 ° C and 25 ° C, especially 10 ° C and 25 ° C on.
- the soft resins are used only in small quantities. The proportion of all soft resins is preferably at most 20% by weight, based on the hot-melt adhesive composition.
- the hot-melt adhesive composition further advantageously contains maleic acid-grafted polyolefins.
- Maleic acid-grafted polyolefins are particularly preferred because they are advantageous in terms of adhesion. It has been found to be particularly advantageous that such maleic acid-grafted polyolefins are maleic acid-grafted polypropylenes, in particular having a molecular weight between 7 ⁇ 00 and 14 ⁇ 00 g / mol. It has proved to be particularly favorable if the proportion of all maleic grafted polyolefins is at most 20% by weight, in particular not more than 15% by weight, preferably less than 10% by weight, based on the hot-melt adhesive composition.
- the non-reactive hotmelt adhesive composition can have further constituents.
- Particularly suitable as further constituents are constituents which are selected from the group comprising plasticizers, adhesion promoters, UV absorbers, UV and heat stabilizers, optical brighteners, fungicides, pigments, dyes, fillers and drying agents.
- the hotmelt adhesive composition preferably has a melting point of from 80 to 200.degree. C., in particular from 130 to 180.degree. C., measured as the softening point according to the Ring & Ball method according to DIN EN 1238.
- the hot melt adhesive layer typically has one
- Application weight of 50 to 1000 g / m 2 in particular from 200 to 800 g / m 2 , preferably 400 to 600 g / m 2 , on.
- Hot melt adhesive layer is preferably between 50 and 500 microns, in particular between 50 and 100 microns.
- the method according to the invention comprises the step
- step b) of the method heat is supplied, so that the hot melt adhesive layer 5 melts.
- the application of heat is preferably such that the temperature of the hot melt adhesive layer 5 does not exceed a temperature which is at least 30 ° C, preferably at least 40 ° C, below the melting point, i. below the softening point, the
- Hot melt adhesive layer is located.
- the feeding of the heat in step b) may preferably take place during the
- step a Laying on of the membrane 4 in step a), in particular in the gap 13 formed during the laying between the hotmelt adhesive layer 5 and the tubbing 1, take place.
- step b) the application of heat takes place on the side of the membrane 4 opposite the hotmelt adhesive layer 5 and is transferred to the hotmelt adhesive layer 5 via the thermoplastic Schott layer 6.
- the supply of heat can be done by hot air, flame, induction or dielectric heating.
- the heat is preferably supplied in such a way that the heat does not exert too great a negative or too negative thermal stress on the hotmelt adhesive layer 5, the thermoplastic Schott layer 6 or the outer surface 2, or the sides of the outer side surfaces 7, 8 facing the outer surface 7, 8 of the tubbing.
- the hotmelt adhesive composition is at least partially flowable, whereby an intimate contact with the surface of the tubbing is ensured.
- step c) downstream of the step c) is the
- Hotmelt adhesive layer 5 is cooled to form an adhesive bond between the membrane 4 and the tubbing 1. This cooling is done
- the tubbing is to be loaded or committed already after a particularly short time to accelerate the cooling. This can be done, for example, by cooling by a cooling means, for example by a blower, in particular an air blower, the membrane or the tubbing.
- a cooling means for example by a blower, in particular an air blower, the membrane or the tubbing.
- Hotmelt adhesive layer 5 in step b) can be carried out such that
- the membrane 4 is placed only on the outer surface 2 and the steps b) and c) are carried out, and thereafter
- steps b) and c) are performed.
- the use of a hotmelt adhesive composition is particularly advantageous because it can be repeatedly melted and cooled again and still the adhesive bond between the membrane and the tubbing is guaranteed. For example, if while connecting the
- Outer surface areas of the hotmelt adhesive layer are melted during the supply of heat, which come to lie in a further step on one of the outer surface facing sides of the outer side surfaces 7, 8 and are connected thereto.
- Outside surfaces 7, 8 is applied to two separate membranes. However, these must be so interconnected, in particular welded or glued, that the waterproofness is guaranteed.
- outside surfaces 7, 8 is placed to one and the same membrane acts. Further, it may be advantageous if before and / or during the
- FIGS. 3 and 4 show steps a) and b) of the method.
- FIG. 3 shows a first embodiment.
- the membrane 4 is placed on the outer surface 2 of the tubbing, the hot melt adhesive layer 5 facing the tubbing 1.
- the hot-melt adhesive layer is a tack-free hot-melt adhesive layer, this can be found on the
- FIG. 3 shows a variant of step b).
- the supply of heat in step b) takes place during the laying of the
- Hotmelt adhesive layer in step a) in the gap formed during the application between the hotmelt adhesive layer and the outer surface, respectively outer side surfaces, of the tubbing 3. Due to the heat, the hotmelt adhesive composition is melted. As a result, the hot-melt adhesive composition becomes soft or slightly sticky and can bond to the tubbing. In the subsequent step c), the hot-melt adhesive composition is cooled again, whereby an adhesive bond between the membrane and the tubbing takes place.
- FIG. 4 shows a further embodiment.
- Hot melt adhesive layer 5 is supplied opposite side of the membrane 4 and is transferred via the thermoplastic Schott layer 6 on the hot melt adhesive layer 5. As a result of the heat, the hotmelt adhesive layer 5 melts
- Hotmelt adhesive composition at least partially flowing and can contact the tubbing.
- Hot melt adhesive composition cooled again, whereby an adhesive bond between the membrane and tubbing takes place.
- the tubbing is preferably suitable for use in 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.
- the application weights of SikaMelt®-9 71 were 200, 400 and 600 g / m 2 .
- SikaMelt®-9171 has a softening point, measured according to the Ring & Ball method according to DIN EN 1238, of 160 ° C and a crossover temperature, determined by DTMA, of 109 ° C according to the method as described above , Subsequently, the coated membranes were applied by heat activation (flame) on a tubbing. After cooling for 1 -2 minutes, a very good strength could be observed by hand.
- the determined adhesion values for all three application weights were always> 1 .5 N / mm 2 . This strength enables the use of a vacuum gripper.
- the coated tunnel membrane Sikaplan® WT2200 22HL2 with 600 g / m 2 Sikamelt®-9171 was manufactured on a width of 30 cm. This was applied in the edge region of a segment with heat activation, wherein 25 cm of the membrane were applied to the concave outer side of the tubbing. This was done with activation by heat (flame), followed by pressing with a roller. In a second step, the supernatant membrane was heated on the lower, coated side and deep-drawn by hand. After 30 seconds, the required final strength was achieved. This experiment showed that the membrane can be deep drawn and permanently fixed in the edge area.
- thermoplastic Schott layer thermoplastic Schott layer
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Laminated Bodies (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201480004035.0A CN104884214A (zh) | 2013-01-18 | 2014-01-20 | 制造具有热塑性阻隔层的丘宾筒片的方法 |
US14/761,797 US20150361793A1 (en) | 2013-01-18 | 2014-01-20 | Method for producing a tubbing with a thermoplastic sealing layer |
EP14700934.4A EP2945785A1 (de) | 2013-01-18 | 2014-01-20 | Verfahren zur herstellung eines tübbing mit thermoplastischer schottschicht |
KR1020157018973A KR20150110519A (ko) | 2013-01-18 | 2014-01-20 | 열가소성 장벽층을 지닌 라이닝 세그먼트를 제조하는 방법 |
JP2015553118A JP2016511342A (ja) | 2013-01-18 | 2014-01-20 | 熱可塑性密封層を有するタビングの製造方法 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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EP13151974 | 2013-01-18 | ||
EP13151974.6 | 2013-01-18 | ||
CH00607/13 | 2013-03-13 | ||
CH6072013 | 2013-03-13 |
Publications (1)
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WO2014111583A1 true WO2014111583A1 (de) | 2014-07-24 |
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PCT/EP2014/051058 WO2014111583A1 (de) | 2013-01-18 | 2014-01-20 | Verfahren zur herstellung eines tübbing mit thermoplastischer schottschicht |
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US (1) | US20150361793A1 (de) |
EP (1) | EP2945785A1 (de) |
JP (1) | JP2016511342A (de) |
KR (1) | KR20150110519A (de) |
CN (1) | CN104884214A (de) |
WO (1) | WO2014111583A1 (de) |
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KR20240059790A (ko) | 2022-10-27 | 2024-05-08 | 한국철도기술연구원 | 중공 단면의 탄성체를 구비하는 면진 라이닝 세그먼트, 면진 라이닝 세그먼트 조립체 및 이에 의한 면진 라이닝 세그먼트 조립체의 구성방법 |
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JPH03212600A (ja) * | 1990-01-17 | 1991-09-18 | Uchida Yoshikazu | 防食層を設けたセグメント |
WO2004016425A2 (de) * | 2002-08-15 | 2004-02-26 | Paul Vogt | Dichtungsmatte mit einer superabsorbierenden schicht, verfahren zu deren herstellung, verwendung derselben, superabsorber und hotmelt-klebstoff |
EP2568113A1 (de) * | 2011-09-12 | 2013-03-13 | Sika Technology AG | Tübbing mit thermoplastischer Schottschicht |
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DE102006031832A1 (de) * | 2006-07-07 | 2008-01-17 | Bilfinger Berger Ag | Bauteil und ein Verfahren zur Herstellung eines Bauteils |
US20080104917A1 (en) * | 2006-11-02 | 2008-05-08 | Whelan Brian J | Self-adhering waterproofing membrane |
CN201818313U (zh) * | 2010-07-21 | 2011-05-04 | 西南交通大学 | 膨胀岩土地区盾构隧道管片衬砌的纵缝弹性装置 |
EP2466031A1 (de) * | 2010-12-17 | 2012-06-20 | Sika Technology AG | Verwendung von Dispersionsklebstoff-beschichteten Polyvinylchlorid-Abdichtungsfolien zum Abdichten |
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2014
- 2014-01-20 WO PCT/EP2014/051058 patent/WO2014111583A1/de active Application Filing
- 2014-01-20 CN CN201480004035.0A patent/CN104884214A/zh active Pending
- 2014-01-20 US US14/761,797 patent/US20150361793A1/en not_active Abandoned
- 2014-01-20 KR KR1020157018973A patent/KR20150110519A/ko not_active Application Discontinuation
- 2014-01-20 EP EP14700934.4A patent/EP2945785A1/de not_active Withdrawn
- 2014-01-20 JP JP2015553118A patent/JP2016511342A/ja not_active Withdrawn
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JPH03212600A (ja) * | 1990-01-17 | 1991-09-18 | Uchida Yoshikazu | 防食層を設けたセグメント |
WO2004016425A2 (de) * | 2002-08-15 | 2004-02-26 | Paul Vogt | Dichtungsmatte mit einer superabsorbierenden schicht, verfahren zu deren herstellung, verwendung derselben, superabsorber und hotmelt-klebstoff |
EP2568113A1 (de) * | 2011-09-12 | 2013-03-13 | Sika Technology AG | Tübbing mit thermoplastischer Schottschicht |
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"Römpp online", THIEME VERLAG, article "Kautschuke" |
DATABASE WPI Week 199144, Derwent World Patents Index; AN 1991-320311, XP002715345 * |
Also Published As
Publication number | Publication date |
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CN104884214A (zh) | 2015-09-02 |
EP2945785A1 (de) | 2015-11-25 |
JP2016511342A (ja) | 2016-04-14 |
US20150361793A1 (en) | 2015-12-17 |
KR20150110519A (ko) | 2015-10-02 |
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