EP2557230B1 - Utilisation d'une bande de joint pour la construction de routes avec couche adhésive activable - Google Patents

Utilisation d'une bande de joint pour la construction de routes avec couche adhésive activable Download PDF

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Publication number
EP2557230B1
EP2557230B1 EP12005602.3A EP12005602A EP2557230B1 EP 2557230 B1 EP2557230 B1 EP 2557230B1 EP 12005602 A EP12005602 A EP 12005602A EP 2557230 B1 EP2557230 B1 EP 2557230B1
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EP
European Patent Office
Prior art keywords
adhesive layer
joint tape
joint
range
weight
Prior art date
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Application number
EP12005602.3A
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German (de)
English (en)
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EP2557230A2 (fr
EP2557230A3 (fr
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Denso Holding GmbH and Co KG
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Denso Holding GmbH and Co KG
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Priority to PL12005602T priority Critical patent/PL2557230T3/pl
Publication of EP2557230A2 publication Critical patent/EP2557230A2/fr
Publication of EP2557230A3 publication Critical patent/EP2557230A3/fr
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Publication of EP2557230B1 publication Critical patent/EP2557230B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
    • E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
    • E01C11/10—Packing of plastic or elastic materials, e.g. wood, resin
    • E01C11/106—Joints with only prefabricated packing; Packings therefor
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
    • E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
    • E01C11/06—Methods of making joints

Definitions

  • the present invention relates to the use of an at least two-layer joint tape in road construction for the production of seams and / or connections, in particular in cover layers made from mixed asphalt.
  • Joint tapes are known from the prior art.
  • Bitumen-based waterstops have been used for decades in road construction to produce seams and / or connections.
  • Seams in the sense of the present invention are created in a combination of paving lanes lying next to one another made of mixed materials with comparable properties, whereas connections in the sense of the present invention denote connections, for example, of paving lanes made of mixed materials with different properties. For example, connections between concrete and asphalt can also be provided.
  • connection is also understood to mean the use of waterstops in the production of installation tracks from mix that open out to fixtures such as manhole covers, drains or the like, with the mix being compacted on these.
  • Mix can in particular be any type of asphalt, and in the context of the present invention is in particular an asphalt mix, for example rolled asphalt including asphalt concrete, open-pored asphalt, (grit) mastic asphalt or mastic asphalt.
  • Waterstops are used in particular for the renewal and repair of tram pavements in order to provide a connection between the old pavement and the newly constructed pavement or the repaired section.
  • the connection established should preferably be watertight, but also provide a certain flexibility with regard to the expansion of tram pavements in the warm and cold, generally with temperature fluctuations, or through stress including vibrations from passing traffic.
  • Joint tapes are also referred to as vertical or standing waterstops, which are placed on one of their long sides on the flank of a paving membrane or built-in components that may have been milled and cleaned beforehand and referred to as the joint flank in relation to the joint that will later be created by adding another paving track and be pressed.
  • Generic waterstops are machined as preformed thermoplastic tape profiles, a joint tape usually having a height in a range of about 2 cm to about 5 cm and a width of about 0.4 cm to about 1.5 cm.
  • the profile cross-section is usually roughly rectangular, often with a slightly barrel-like thickening in the middle and rounded corners at the top and bottom.
  • the joint tape may even melt through.
  • the mix is then compacted by rolling.
  • a protrusion of the joint tape is also rolled over the top of the paving sheet, so that grains on the edges of the two paving sheets built against each other are prevented from breaking out and breakouts, for example caused by milling the flank, are filled.
  • a joint tape known which is provided on at least one side with an adhesive layer which is provided on at least one side with an adhesive layer.
  • the joint tape described there is thus constructed in principle in two layers, and consists of the joint tape body and an adhesive layer arranged on one side of the same.
  • the great advantage of this joint tape is that, even without the use of a propane gas flame, sufficient adhesion to the flank of an existing paving membrane is achieved simply by pressing the joint tape, so that the outside temperatures allow.
  • the subsequent rolling of the mix and the other work steps then correspond to those known from single-layer waterstops.
  • the ones in the DE 196 03 896 A1 The adhesive layer disclosed is one which is produced on the basis of hydrocarbon resins and various styrene-butadlene block copolymers and styrene-isoprene block copolymers, in particular triblock copolymers.
  • EP 1 023 414 A1 an adhesive layer based on bitumen.
  • EP 1 983 102 A2 referenced which also discloses a joint tape of the generic type, but is based on the fact that the joint tape body is made sufficiently tacky and is provided with a cover layer of lower tack.
  • the cover layer itself can have a greater thickness than the joint tape body, so that the joint tape body in the sense of this publication in the sense of the prior art itself is to be addressed as an adhesive layer and the cover layer as a joint tape body.
  • this edge can also be treated with a primer, also known as a primer, before the waterstop is pressed against the flank of an existing paving sheet.
  • primers can also have an adhesive effect themselves.
  • the joint tape bodies of the joint tapes known from the prior art have at most a low level of stickiness.
  • the stickiness of bitumen materials can be influenced, in particular reduced, by adding mineral fillers.
  • the low stickiness of the joint tape bodies of the joint tapes known from the prior art is not sufficient on its own to provide sufficient holding of the joint tape on the flank of an existing paving path without heating. In the case of the at least two-layer joint tapes with a joint tape body and an adhesive layer arranged on one longitudinal side of the same, this can in fact be omitted.
  • the joint tapes known from the prior art are provided on at least one side with a separating layer, for example made of wax paper or a fleece, and are packaged in the rolled up state.
  • the separating layer ensures that the rolled-up joint tape does not stick or fuse when exposed to heat, so that it can be safely stored and processed on site.
  • the waterstops It is essential for the function of the waterstops that they are affected by mechanical stresses from being driven over and from heat, respectively Absorb cold, more general stresses caused by temperature fluctuations. Particularly relevant here is the ability of the waterstops to have sufficient elasticity to compensate for changes in the joint width that are formed between the new paving sheet and the old paving sheet and that are filled with the joint tape, of at least 10% . It has been shown here that, especially in the area of modern asphalt mixes, such as open-pored asphalt, the elasticity of joint tapes known from the prior art may not be sufficient to understand the changes in the joint widths. This also with regard to the temperatures that are often increased in the summer months, often reinforced by dark-colored paving lanes, and the increased stresses caused by mechanically driving over increasingly heavy automobiles.
  • single-layer bitumen waterstops known from the prior art have the disadvantage that the heating with a propane gas flame, which is necessary for successful processing, is quite time-consuming.
  • even a low level of stickiness of the joint tape body / joint tape leads to the adhesion of dirt particles, which makes it difficult to handle the joint tape.
  • the latter also applies to at least two-layer joint tapes with a joint tape body and an adhesive layer arranged on one longitudinal side of the same.
  • DE 199 39 372 A1 discloses a joint insert in road construction for insertion between the edge of two road surface parts, which consists at least partially of bitumen and after positioning partly protrudes over the surface of the adjacent edges and to fungus through rolling into the ceiling parts adjacent to the edges and sealingly with the cover parts is glued, wherein the joint insert is designed as a rail with a T-cross section from a material that is not substantially adhesive at normal temperature.
  • the joint insert disclosed there is not designed as a flexible strip, but as a dimensionally stable rail, so that it can also be positioned by pressing it into the still soft material of a new part of the street, adjacent to the edge of the existing ceiling part.
  • the joint tape has at least two layers, with the joint tape body as one layer and the at least one adhesive layer as a further layer.
  • the adhesive layer is formed separately from the joint tape body and is arranged on it, a certain penetration of the adhesive layer into the joint tape body being possible and possibly also not being able to be avoided due to the manufacturing process. In any case, two separate masses are used for the joint tape body and for the adhesive layer.
  • the adhesive layer is at least in a temperature range from about -20 ° C to about +45 ° C, preferably from about -10 ° C to about 42 ° C, more preferably in a temperature range from about 5 ° C to about 40 ° C, Im Essentially not sticky. Combinations of the aforementioned limit values are also possible.
  • the joint tape used according to the invention has the great advantage that it avoids the adhesion of dirt particles on the adhesive layer before the same is activated, since these are not made sticky at normal outside temperatures at which joint tapes are used. This also facilitates the storage and transportability as well as the handling of the joint tape on the construction site, especially if this has the adhesive layer arranged on both longitudinal sides and over the full side surface of the joint tape body.
  • the joint tape has an improved elasticity compared to the single-layer waterstops known from the prior art, one can speak of a doubling of the usual elasticity of known single-layer waterstops, which takes into account the increased demands on the elasticity of waterstops.
  • an activatable adhesive layer enables the same to be made highly tacky after activation, the tack then going well beyond that known from the prior art two-layer joint tapes with an adhesive layer on a joint tape body.
  • the activatable adhesive layer does not adhere to the release paper, so that the joint tape can be rolled up without the provision of a release layer made of release paper or the like. This is particularly advantageous when an adhesive layer is arranged on each side surface of the joint tape body, and finally, compared to the single-layer joint tapes from the prior art, a considerably shorter activation time can be achieved, since the adhesive layer can be activated more quickly than a joint tape body melted on the surface becomes.
  • An activation time in a range of 0.1 seconds to 3 seconds is already sufficient for the adhesive layer of the To activate the joint tape and thus cause it to become very sticky, in contrast to the melting time required for single-layer joint tapes in a range of usually 5 seconds to 10 seconds, rather even longer, so that the joint tape / joint tape body then has sufficient hold and thus adhesion due to the melted joint tape / joint tape body to allow on the joint flank.
  • the processing of waterstops is particularly favored when using machine or automatic processing devices for waterstops, since the provision of an activatable adhesive layer prevents adhesion to deflection, pressure and other guide elements.
  • “Essentially non-sticky” in the context of the present invention means that the adhesive layer at most conveys a slight impression of adhesion or bonding in the stated temperature range when the fingers of the operator's hand come into contact. Dirt particles with a grain size greater than 0.5 mm cannot adhere to the adhesive layer.
  • the tackiness of the adhesive layer in the non-activated state is advantageously less than the tackiness of the joint tape body itself.
  • the tackiness itself is provided by the adhesive layer after activation and is sufficient to apply the joint tape as intended and functionally to a flank of a seam and / or a connection to adhere, so that this is held there in the sense of a pre-assembly of the same, so that the subsequent installation of the paving tracks is ensured without the joint tape adhering to the flank falling off this.
  • the adhesive layer if the adhesive layer then has a tack that enables adequate adhesion to the flank.
  • the joint tape body of the joint tape preferably has a height of about 2 cm to about 5 cm and a thickness of about 0.4 cm to about 1.8 cm, and thus has an essentially rectangular cross-section, possibly an exactly rectangular cross-section. Due to the manufacturing process for the joint tape body, the cross-section is designed somewhat barrel-shaped in such a way that there is a slight thickening in the middle and there are rounded edges on the top and bottom.
  • the at least one adhesive layer is applied to at least one side surface of the joint tape and covers it at least partially, preferably almost completely or completely.
  • the adhesive layer can also be applied in the form of a pattern, for example a waffle pattern, or linear or similar.
  • the adhesive layer has a thickness in a range from about 0.1 mm to about 2 mm, preferably in a range from about 0.5 mm to about 2 mm, even more preferably from about 0.6 mm to about 1.3 mm, on.
  • Bituminous material from which the joint tape body is formed refers to any material which contains bitumen, in particular in an amount of at least 10% by weight, based on the total mass of the joint tape body.
  • the bituminous material can also contain other materials, such as in particular mineral and / or cellulose fillers, plasticizers, polymers, etc.
  • the addition of polymers increases the elasticity of bitumen in particular; one then speaks of polymer-modified bitumen, and as far as this meets requirements for road construction, also of polymer-modified road construction bitumen.
  • the bituminous material can also be formed from several different bitumen, for example bitumen with a different needle penetration, measured in accordance with DIN EN 1426.
  • the bituminous material has a bitumen with a needle penetration in a range of approximately 160 to 220 in accordance with DIN EN 1426 per 0, 1 mm.
  • the mix used for the production of surface courses is in particular an asphalt mix, preferably in the sense of the present invention such as is described above in the presentation of the general prior art, and can in particular be selected from a group comprising rolled asphalt and mastic asphalt , and can in particular be asphalt concrete, (grit) mastic asphalt and / or open-pore asphalt (PA).
  • asphalt mix preferably in the sense of the present invention such as is described above in the presentation of the general prior art, and can in particular be selected from a group comprising rolled asphalt and mastic asphalt , and can in particular be asphalt concrete, (grit) mastic asphalt and / or open-pore asphalt (PA).
  • the adhesive layer can in principle be single-layer, but also multi-layer.
  • a multi-layer structure is achieved, for example, in that several layers of the adhesive layer are applied in several work steps during the production of the joint tape.
  • the activation takes place thermally, in particular by means of the propane gas flame already known from the prior art, the duration of the activation advantageously being considerably reduced compared to in particular single-layer joint tapes known from the prior art, the duration according to the invention being in a range of approximately 0.1 seconds to about 3 seconds, preferably in a range from about 0.2 seconds to about 3 seconds, even more preferably in a range from about 0.3 seconds to about 3 seconds, and particularly preferably in a range of about 0 seconds , 5 seconds to about 2 seconds.
  • the activation provides the adhesive layer with a strong tack, as a result of which it securely adheres to the flank of an existing installation track, so that a successful production of seams and / or connections is made possible.
  • Thermal activation within the meaning of the present invention also includes activations by irradiation, provided that this results in heating in the adhesive layer, as is possible, for example, by using microwave rays or the like.
  • the joint tape particularly preferably has an elasticity based on the Rabe joint model in accordance with the Swiss standard SNV 971920 at a temperature of -10 ° C. in a range of approximately 16% to approximately 50%.
  • Usual single-layer fusible joint tapes have extensibility in a range from about 7% to about 13%.
  • the joint tape preferably has an extensibility in a range from approximately 20% to approximately 45%, more preferably in a range from approximately 22% to approximately 38%.
  • the tension on the joint flank can also be determined using Rabe's joint model during expansion, which must not exceed 1 N / mm 2 .
  • the joint tape has forces in a range from approximately 0.2 N / mm 2 to approximately 0.6 N / mm 2 , preferably in a range from approximately 0.25 N / mm 2 to approximately 0.6 N / mm 2 .
  • the standard concrete prisms are coated with a primer, which is usually specified by the system and adapted to the respective joint tape.
  • the test specimen formed by the standard concrete prisms and the joint tape is stored at -10 ° C after the spacer has been removed, and then installed in the measuring device, the so-called Rabe device, after the test temperature of -10 ° C has been reached, and in accordance with the Swiss SNV standard 671920 determines the elongation.
  • the Rabe testing device from Maschinen- und Adjust Josef Freundl, Wennegsen, Germany, of type FM-R used in the present invention was converted for fully automatic operation, and force-displacement measurements were carried out and displacement and force were permanently recorded.
  • This measuring device was also used to determine the maximum force F max during expansion for the joint tape, which was in a range from about 1000 N to about 4000 N, preferably in a range from about 1200 N to about 3700 N, even more preferably in a range from about 1300N to 3600N.
  • the joint tape body advantageously comprises at least one plasticizer, at least one mineral filler and / or at least one polymer.
  • the at least one plasticizer is preferably selected from a group comprising oils, in particular mineral oils including white oils.
  • Plasticizers can be used in the joint tape body in an amount in a range from about 1% by weight to about 10% by weight, preferably in a range from about 2% by weight to about 6% by weight, based in each case on the total mass of the Joint tape body, be present.
  • the at least one mineral and / or cellulose filler which is included in the joint tape body, can for example be in the form of flour or fibers, for example rock flour.
  • talc can be added to the joint tape body, ie in particular in the form of natural mixtures of magnesium silicate hydrate and magnesium aluminum silicate hydrate.
  • cellulose fillers, in particular in the form of fibers, in particular cellulose fibers can also be present in the joint tape body, advantageously in an amount in a range from about 0.5% by weight to about 9% by weight, more preferably in a range from about 2% by weight to about 7% by weight, based on the total mass of the joint tape body.
  • plastics in particular polymers, in particular those selected from the group of natural and synthetic rubbers and / or polyolefins, can also be added, also in the form of fibers.
  • natural and synthetic rubber in particular isobutene-isoprene rubber, styrene-butadiene rubber, polybutadiene rubber, EPDM rubber or isoprene rubber can be added.
  • the natural and / or synthetic rubbers are advantageously present in the joint tape body of the joint tape in an amount in a range from about 0.2% by weight to about 8% by weight, more preferably in a range from about 0.5% by weight .-% to about 5% by weight, each based on the total mass of the joint tape body.
  • Polyolefins preferably polyethylenes and / or polypropylenes, more preferably low density polyethylenes, are preferably in an amount in a range from about 1% by weight to about 10% by weight, more preferably in an amount of about 2% by weight. % to about 7% by weight, each based on the total mass of the joint tape body, contained in these.
  • the proportion of mineral fillers i.e. those fillers that are still present after incineration of the joint tape, is advantageously in a range from about 10% by weight to about 65% by weight, more preferably in a range from about 20% by weight.
  • Limestone powder is particularly preferably added as a mineral filler, more preferably limestone powder which, when sieved with a 63 ⁇ m sieve, has a residue of no more than 20% by mass, preferably no more than 15% by mass, and when sieved with a 1,000 ⁇ m sieve no longer shows any residue.
  • the at least one bitumen which is comprised by the joint tape body is in an amount in a range from about 20% by weight to about 80% by weight, preferably in a range from about 30% by weight to about 60% by weight. -%, more preferably in a range from about 30% by weight to about 50% by weight, based in each case on the total mass of the joint tape body.
  • the bitumen material used advantageously has a ring and ball softening point, measured in accordance with DIN EN 1427, in a range from about 35 ° C. to about 43 ° C. and a needle penetration at 23 ° C., measured in accordance with DIN EN 1426, in a range of about 160 to about 220 each 0.1 mm.
  • the bitumen can be remunerated by adding polymers, in particular those mentioned above, so that then polymer-modified bitumen or Road bitumen is present.
  • the polymer coating improves the elasticity of the bitumen material in particular.
  • the joint tape body advantageously comprises at least one polymer in an amount in a range from about 1.5% by weight to about 20% by weight, preferably in a range from about 4% by weight to about 15% by weight.
  • styrene-butadiene diblock and / or triblock or styrene butadiene are used as polymers.
  • the polymers can be added as flour, in spherical form, as granules or as fibers.
  • the at least one adhesive layer preferably comprises at least one polymer selected from a group comprising polyolefins, natural rubber, and / or synthetic rubber (synthetic rubber), with styrene-butadiene and / or styrene isoprene copolymers and / or block copolymers being particularly preferred as synthetic rubber , in particular mixtures of triblock with diblock copolymers of these, can be used.
  • the natural rubbers or synthetic rubbers as well as polyolefins, which can be used in the joint tape body and are described above, can also be used in the adhesive layer.
  • styrene-butadiene copolymers with a polystyrene content in an amount in a range from about 25% by weight to about 35% by weight, based on the total amount of the polymer, are selected. Preference is given to styrene-soprene block copolymers with a proportion of about 42%. Styrene isoprene diblock copolymers and about 58% styrene isoprene-styrene triblock copolymers are used. The solution viscosity of the styrene isoprene polymers used, based on 25% by weight thereof in toluene at 25 ° C.
  • the polymers mentioned are in an amount in a range from about 8% by weight to 25%, preferably about 10% by weight to 18% by weight, contained in the adhesive layer, based in each case on the total mass of the adhesive layer.
  • Both styrene-butadiene and styrene isoprene copolymers in the form of block copolymers are particularly preferably contained in the adhesive layer, more preferably in approximately the same amount.
  • the adhesive layer advantageously has styrene-butadiene copolymers or block copolymers in an amount in a range from about 4% by weight to about 13% by weight, more preferably in a range from about 6% by weight to about 10% by weight , on.
  • the adhesive layer based on the total mass thereof, preferably has styrene isoprene copolymers or block copolymers in the same order of magnitude as immediately above based on styrene butadiene copolymers or block copolymers.
  • the adhesive layer further preferably comprises a further polymer selected from a group comprising natural and / or synthetic resins, comprising thermoplastic resins, in particular thermoplastic synthetic resins. Resins which are obtained from unsaturated aliphatic olefins and / or diolefins by thermal cracking of naphtha are particularly preferred. Thermoplastic aliphatic hydrocarbon resins obtained from the aforementioned cracking process are particularly preferably used as thermoplastic resins. Aliphatic hydrocarbon resins with a molecular weight in a range from approximately 1,000 to 5,000, preferably approximately 2,000 to 3,500, are particularly preferably used. More preferably, aliphatic hydrocarbon resins are used which have a melt viscosity at 180 ° C. according to ASTM D 3236 in a range from about 100 cps to about 800 cps, preferably in a range from about 250 cps to about 500 cps. The resins mentioned can be at least partially replaced by bitumen.
  • thermoplastic resins are contained in the adhesive layer in an amount in a range from about 35% by weight to about 80% by weight, based on the total mass of the adhesive layer.
  • the adhesive layer can advantageously further comprise at least one mineral filler, at least one plasticizer and / or at least one bitumen material.
  • the corresponding components can be selected from those which are also used for the production of the joint tape body.
  • the at least one mineral filler of the at least one adhesive layer is preferably a flour, more preferably a limestone powder.
  • the mineral filler is advantageously present in an amount of about 3% by weight to about 12% by weight, more preferably about 5% by weight to about 9.5% by weight, based on the total mass of the adhesive layer contain.
  • the plasticizer is advantageously contained in an amount of about 10% by weight to about 32% by weight, more preferably about 15% by weight to about 25% by weight, based in each case on the total mass of the adhesive layer.
  • the adhesive layer can also contain bitumen, advantageously in an amount in a range from about 4% by weight to about 14% by weight. further preferred in an amount of about 6% by weight to about 12% by weight, based on the total mass of the adhesive layer.
  • the joint tape body of the joint tape used according to the invention can also be at least partially melted, but this does not prevent the success of the present invention.
  • the mentioned activation time is in any case considerably shorter than that which is necessary for single-layer waterstops, which have only one waterstop body, in order to achieve sufficient adhesion here to achieve a hold of the waterstop on the flank.
  • a joint tape was produced with a single-layer adhesive layer on one side surface of a joint tape body made of a bituminous material, the adhesive layer covering the side surface to about 90 percent.
  • Table 1 shows the composition of the joint tape body and one adhesive layer.
  • the bitumen used was one with a needle penetration in a range from 160 to 220 per 0.1 mm and a ring and ball softening point of 35 ° C to 43 ° C.
  • a styrene isoprene-styrene triblock / styrene isoprene diblock copolymer was used as the styrene isoprene block copolymer, which is a styrene isoprene-styrene triblock / styrene isoprene diblock copolymer with a proportion of about 42% styrene isoprene diblock copolymer.
  • the styrene-butadiene block copolymer used was one which has about 31% by weight of polystyrene, based on the total amount of the polymer.
  • a thermoplastic resin having a softening point in a range from about 94 ° to about 102 ° according to ASTM E28 and a melt viscosity (BRF) at 160 ° C. of 1.45 cps as measured according to ASTM D3236 was used.
  • the limestone powder used had a CaCO 3 content of> 97% by mass and a residue of 6.4% by mass when sieved with a 90 ⁇ m sieve.
  • the mineral oil used had a melting point of about -18 ° C and a viscosity of about 150 cSt at 40 ° C.
  • the talc used had a SiO 2 content of about 50% and a MgO content of about 28% with a loss on ignition at 1050 ° C. over one hour of 9%.
  • the cellulose fibers had a cellulose content of about 75% and an ash content after incineration of about 20% and an average fiber length of about 1,000 ⁇ m and an average fiber thickness of about 40 ⁇ m.
  • the polyethylene was a low density polyethylene (LDPE) with a molecular weight M w of 150,000, a density of about 0.93 g / cm 3 , a Melting temperature of about 114 ° C and a melt index of 0.3 g / 10 min used.
  • LDPE low density polyethylene
  • the isobutene-isoprene rubber used had a Mooney viscosity in a range from 46 to about 56.
  • the joint tape produced on the basis of the above-mentioned composition by first producing a joint tape body profile with a dimension of about 4 cm in height and about 1 cm in width, was provided with an adhesive layer with a thickness of 0.8 mm.
  • the joint tape was then examined with regard to its elasticity and adhesion according to the joint model by Rabe, as set out in the description, and with the products TOK-Band SK and TOK-Band Spezial from DENSO GmbH, Leverkusen, which are on the market , compared.
  • the present joint tape is not only easier to handle due to the significant reduction in the adhesion of dirt particles, but also has an outstanding elasticity, which makes it ideal in view of the increased stresses on roadways, to be used in road construction.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Adhesive Tapes (AREA)

Claims (7)

  1. Utilisation d'une bande de joint au moins bicouche dans la construction de routes pour la fabrication de soudures et/ou de raccords, en particulier avec des couches de revêtement en enrobé bitumineux, comprenant un corps de bande couvre-joint fait d'un matériau bitumineux et au moins une couche adhésive activable thermiquement disposée sur celui-ci, la couche adhésive étant essentiellement non adhésive sur une plage de température de -20 °C à 45 °C et ne provoquant pas d'adhérence suffisante sur un flanc de la soudure et/ou du raccord pour la fabrication de soudures et/ou de raccords à l'état non activé à une température ambiante de 23°C, cette utilisation se déroulant de sorte que, dans une première étape, la bande de joint non activée est déposée sur un flanc d'une soudure et/ou d'un raccord, dans une deuxième étape, l'au moins une couche adhésive est activée thermiquement de sorte qu'elle présente une adhésivité qui permet une adhérence suffisante pour la fabrication de soudures et/ou de raccords sur un flanc de la soudure et/ou du raccord, l'activation se produisant à une température d'au moins 50 °C et la durée de l'activation de la couche adhésive étant comprise sur une plage de 0,1 s à 3 s, et dans une troisième étape, la bande de joint est appliquée sur le flanc.
  2. Utilisation selon la revendication 1, caractérisée en ce que la bande de joint présente une extensibilité comprise sur une plage de 16% à 50% à une température de - 10 °C d'après le modèle de joint de Rabe selon la norme suisse SNV 671920.
  3. Utilisation selon une des revendications précédentes, caractérisée en ce que le corps de bande de joint comprend, outre au moins un matériau bitumineux, au moins un plastifiant, au moins une matière de charge minérale et/ou à base de cellulose et/ou au moins un polymère.
  4. Utilisation selon une des revendications précédentes, caractérisée en ce que la couche adhésive comprend au moins un polymère sélectionné parmi un groupe comprenant des polyoléfines, du caoutchouc naturel et/ou du caoutchouc de synthèse.
  5. Utilisation selon une des revendications précédentes, caractérisée en ce que la couche adhésive comprend en outre au moins un polymère sélectionné parmi le groupe des résines naturelles et/ou artificielles.
  6. Utilisation selon la revendication 5, caractérisée en ce que la couche adhésive comprend au moins une résine thermoplastique dans une quantité comprise sur une plage d'environ 30% en poids à environ 60% en poids par rapport au poids total de la couche adhésive.
  7. Utilisation selon une des revendications précédentes, caractérisée en ce que la couche adhésive comprend en outre au moins une matière de charge minérale, au moins un plastifiant et/ou au moins un matériau bitumineux.
EP12005602.3A 2011-08-02 2012-08-01 Utilisation d'une bande de joint pour la construction de routes avec couche adhésive activable Active EP2557230B1 (fr)

Priority Applications (1)

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PL12005602T PL2557230T3 (pl) 2011-08-02 2012-08-01 Zastosowanie taśmy dylatacyjnej do budowy dróg z aktywowalną warstwą klejową

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011109114A DE102011109114A1 (de) 2011-08-02 2011-08-02 Fugenband für den Straßenbau mit aktivierbarer Klebeschicht

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EP2557230A2 EP2557230A2 (fr) 2013-02-13
EP2557230A3 EP2557230A3 (fr) 2014-04-16
EP2557230B1 true EP2557230B1 (fr) 2020-11-18

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EP (1) EP2557230B1 (fr)
DE (2) DE102011109114A1 (fr)
ES (1) ES2851016T3 (fr)
HU (1) HUE053692T2 (fr)
PL (1) PL2557230T3 (fr)

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EP2859050B1 (fr) * 2013-04-22 2016-06-08 DENSO-Holding GmbH & Co. Masse de jointoiement
CN103422420A (zh) * 2013-08-21 2013-12-04 招商局重庆交通科研设计院有限公司 利用热空气的沥青路面坑槽快速冷补方法
AT515176A1 (de) * 2013-11-18 2015-06-15 Sterreichische Vialit Ges M B H Abdichtungsband und Verfahren zur Herstellung eines solchen Abdichtungsbandes
DE102015105686A1 (de) 2015-04-14 2016-10-20 Denso-Holding Gmbh & Co. Fugenabdichtung für eine Fuge mit mindestens einer Schicht einer bitumenhaltigen ersten und einer bitumenhaltigen zweiten Masse
DE102016011306A1 (de) * 2016-09-19 2018-03-22 B.T. Innovation Gmbh Verfahren und Verwendung eines Fugenbands zum Abdichten von Fugen
DE202017100945U1 (de) 2017-02-21 2017-03-06 Denso-Holding Gmbh & Co. Fugenband für den Verkehrswegebau mit mindestens einem Rippenelement
CN114716938B (zh) * 2022-04-20 2023-11-28 河南万里交通科技集团股份有限公司 用于沥青路面反射裂缝的应力吸收材料及施工方法

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EP0792973B2 (fr) * 1996-02-03 2002-07-03 DENSO-Holding GmbH & Co. Bande de jointoiement travaillable à froid

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DE202007011257U1 (de) * 2007-08-11 2007-11-08 Denso-Holding Gmbh & Co. Fugenband für den Straßenbau
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DE20002475U1 (de) * 2000-02-12 2000-04-06 Dortmunder Gusasphalt Gmbh & C Anschmelzbares Bitumen-Dichtungsband

Also Published As

Publication number Publication date
DE202012013688U1 (de) 2019-08-05
ES2851016T3 (es) 2021-09-02
DE102011109114A8 (de) 2013-07-11
EP2557230A2 (fr) 2013-02-13
PL2557230T3 (pl) 2021-04-19
DE102011109114A1 (de) 2013-02-07
HUE053692T2 (hu) 2021-07-28
EP2557230A3 (fr) 2014-04-16

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