EP1582640A2 - Joint sealing and support for joint sealings - Google Patents

Abstract

The joint sealing member (11) is embedded in the concrete sections (17,18). Along a side surface of a carrier member (19) and in the width direction of the carrier member, an adhesive layer is provided which comprises a component that seals the joint in a capillary manner, by crystallization. The adhesive layer may be a bituminous material. An independent claim is included for a holder for a joint sealing member.

Description

The invention relates to a joint sealing element for sealing a formed between two concreting sections joint and a holder for fixing the joint sealing elements.

From DE 199 35 578 C2 is a joint plate for sealing construction joints in concrete components comprising a carrier sheet, which is provided with a sealing layer. This sealing layer is Made of a fiber mat, made of a water-repellent or can also consist of a swellable material. Depending on Application, the sealant bitumen and / or swellable Contain masses.

This joint plate has the disadvantage that the fiber mat uneven is soaked or depending on their storage differently impregnated areas comprises. A reliable one Sealing is not guaranteed.

From DE 297 10 007 U1 is a setting plate for Arbeitsfugenabdichtung in concrete construction. This adjusting plate consists of a metal sheet and has along its entire length at a side edge portion a strip-shaped coating of water-swellable polymer material on. This water-swellable polymer material is by means provided to the source delay, so that the swelling of the water swellable Polymer material after concreting at least as long is delayed until the curing of the concrete sufficiently advanced is to stress, cracks or breaks in the concrete as well as changes of the fresh concrete by the swelling of the polymer material to prevent.

The invention is based on the technical problem of a joint sealing element to create a high level of security for the desired Water barrier function achieved and installed without Betonaufkantung can.

This object is achieved by the features of the claim 1 solved. In the further claims are advantageous embodiments and further developments of the joint-sealing element and a holder provided for fixing the joint sealing elements.

The inventive design of a jointing element with at least one adhering to the carrier element layer, the at least having a component which by crystallization the joint capillary seals, allowing a self-healing effect is given is. The crystallization-causing component grows or meanders through the pores or capillaries, penetrates through the moisture and dammed so even the smallest possible water-bearing capillary. Especially for hairline cracks up to 0.4 mm these are completely sealed by the growth of the crystals. This Crystallization effect continues for so long, so long as moisture contained in the joint or microcracks. This will allow that regardless of the upcoming water or vapor pressure a crystallization takes place, which the joint between the concreting sections and possible capillaries between the jointing element and completely seals the concreting sections. simultaneously is achieved by this crystallization of the advantage that in the critical or area to be sealed, for example a construction joint, an increase in quality of concrete arises. Due to the crystallization can at least the increase in concrete quality by one class in the area of Sealing element be achieved.

This jointing element according to the invention can in all Application areas are used, especially for strong Concrete sections under water pressure.

Advantageously, at least a proportion of 1% of the crystallization component provided in the adhesive layer. Preferably, the Crystallization added an adhesive component, so that the crystallization component until installed on the support element sticks. Alternatively, it can also be provided that the crystallization component inflated onto the adhesive layer on the carrier element, sprinkled, rolled, sprayed or the like.

Advantageously, it is provided that at least one side surface of the Carrier element has a rough surface on which the adhesive Layer is applied. Due to the roughness of the at least one side surface the support element, along its entire length at least is provided strip-shaped, the surface is enlarged, so that better adhesion of the layer with the at least one crystallization component given is. In addition, this surface roughness the advantage that after at least partial crystallization the crystal structures are also on the rough surface can catch the support element or approach to this or at least partially grow into it, around a capillary To allow sealing.

The upper surface roughness of the carrier element is advantageously by knurling, corrugation, by etching, grinding, eroding, Laser treatment, sputtering or similar procedures introduced. In Dependence of the materials used for the carrier element the individual methods used to produce the surface roughness. At the same time, depending on the desired surface roughness the corresponding methods for making the roughness to be selected.

The jointing element has a further advantageous Embodiment of the surface roughness increasing granular material which is partially incorporated into the adhesive layer. At this Embodiment is the adhesive layer for receiving the granular Material advantageously slightly thicker than the exclusive Recording the crystal component, so that on the one hand a safe Grainy material is added and grainy on the other hand Material protrudes from the layer or protrudes. Even after Crystallizing out the at least one crystallization component of adhering layer, this adhesive layer remains at least slightly on the support element, leaving the crystals between the granular Material can grow into it.

The granular material is preferably provided in the form of quartz sand. Preferably, silicon carbide is used to form a stable and solid Connection between the joint sealing element and the adjacent Concrete sections to create. Furthermore, alternatively Glass particles, ceramic, porcelain and other metallic particles as granular material can be used. The coating of the granular material is advantageously full surface with a high degree of coverage be provided. Likewise, in some applications, too a small spread or a partial scattering be applied with different concentrations.

Advantageously, it is provided that the carrier element has a profiling having, in particular, a wave-shaped, zigzag-shaped, comprise multiple folded cross-sectional shape or the like. Thereby may amount in terms of the surface of a support element in terms be increased to the length of a joint. Accordingly are also arranged on the support element elements in elevated Amount provided, whereby the quality of the seal is increased.

Advantageously, it is provided that the at least one adhesive Layer a component of bituminous and / or swellable material is added. The swellable material may be, for example to trade bentonite.

The advantageous admixture of at least one adhesive layer by a component of swellable material is preferably in granular form or provided as granules. This swellable material, such as bentonite or polymeric material, is with an agent surrounded, which prevents swelling before installation, but after the installation due to the surrounding concrete gradually, at least partially, preferably completely, dissolves. Alternatively, too be provided that after the application of the swellable material, especially in granular form or as granules or by spraying, a subsequent coating by a protective coating or Adhesive coating or the like takes place, which is the swellable material as well as the crystallization component from the penetration of water protects.

The agent for the protection of granular or in granular form swellable material is preferably a polymeric material Protective lacquer or an adhesive or a combination of these ingredients provided, which advantageously also several functions can be met. For example, in an adhesive, a Protective and adhesive function to be given at the same time.

Alternatively it can be provided that the at least one adhesive Layer of lime particles are added. The percentages and the combination of components added to the adhesive layer are matched to appropriate applications and are arbitrary combinable with each other.

As a carrier element, for example, for use in a Einsatzfuge or provided in a Sollrefuge a joint plate. This joint plate is preferably made of metallic material. Also can be an aluminum alloy or a carrier material with metallic or other coatings be provided.

Alternatively, the carrier element can also be designed as a joint tape, so that a flexible carrier material is provided, which is the delivery allows the support element as a roll goods. The same applies to the carrier element in the form of a film, made of a fabric, plastic and / or metal. Furthermore, it can advantageously be provided that the carrier element is designed as a filled tubular bag, the has at least the crystallization component in its interior, wherein the tubular bag is at least partially liquid-permeable, to initiate the crystallization in connection with the cement.

A preferred embodiment of the joint sealing element provides that on a side surface of the support element, an adhesive layer and at least one crystallization component is provided and at the other side surface of the carrier element at least a rough surface, an adhesive layer or a granular material without crystallization component is applied. This can be achieved on the one side surface is a crystallization of the joint, whereby this capillary is sealed. On the other side creates a composite effect of the adjacent concrete due to the at least rough Surface, adhesive layers or granular material. Thereby can the sealing effect on the side surface of the support element be increased without crystallization area. The without crystallization components provided side surface can also be both a rough Surface, an adherent layer and granular material or only individual Include components or other components. Optionally added the swellable material in granular or granular form As well as a protective coating, adhesive coating or -component.

To attach the jointing element according to the invention is advantageously provided that in the carrier element more U-shaped punches are provided for the formation of tabs, which is movable out of a plane of the support element or are bendable. This can be made possible that mounting bracket or mounting brackets through these tabs at least partially can be encompassed around the jointing element in a vertical Secure installation position. These tabs are advantageously also with the adhesive layer and the at least one crystallization component Mistake. This will ensure that even in This area a crystallization and thus a capillary seal the fugue is given.

According to an alternative embodiment of a jointing element is provided that two opposing tabs by U-shaped Punches are formed in the opposite direction from the plane are movable out or bendable. This can be a kind of stapling effect be achieved, the tabs each partially a reinforcing bar, embrace a mounting bracket or a bracket. The tabs can also already be issued upon delivery of the Fugendichtungselements be arranged. This will be advantageous However, application-oriented immediately made during installation.

For positioning of the jointing element in its predetermined Installation position is further provided according to the invention that a Holder is formed, which at one end for positioning the support plate has a folded edge and at an opposite End includes a holding section that has a reinforcing bar at least partially surrounds. According to one embodiment, it is provided that the Holding section as a curved or 2/3 or 3/4 circle cutout is designed to a self-holding function to the reinforcing bar fulfill. By this configuration, it is possible that the carrier element a clamping position on the mounting bracket occupies. These mounting brackets are alternating on each side surface provided, so that a secure positioning of the joint sealing element is given to the reinforcement.

According to a further alternative embodiment for a holder of a Jointing element is provided a mounting bracket to the an end for positioning and correct arrangement of the support element has a folded edge and at an opposite End at least one parallel to the longitudinal edge extending leg has, which rests at least on two bars of a reinforcement. Thereby can be an independent alignment and fixation of a jointing element take place: The running parallel to the support element Thigh can without additional use of a Rödeldrahtes a enable secure positioning of the jointing element.

According to a further alternative embodiment for a holder of a Jointing sheet is provided a mounting bracket, the a connection reinforcement can be fastened and the joint sealing element by a provided between the attachment points bracket fixed. As a result, easy assembly is given, which is a fast Insertion of the joint sealing element allows.

Another alternative embodiment of a holder comprises a strip-shaped Body, which has a U-shaped holding portion on which adjoins an angularly arranged distance section, which an entanglement of the strip-shaped body 90 ° along includes its longitudinal axis and in a rectilinear holding section passes. This holder has the advantage that a simple Assembly is possible. The U-shaped holding section can on the fitted on the reinforcement joint sealing element are plugged. Following this, the holding section can easily a vertical reinforcing bar by bending the holding section be attached. By the strip-shaped Body, especially in the region of the holding section, can have different Distances between the joint sealing element and the vertical reinforcing bar are bridged so that a flexible arrangement and adaptation in the position of the joint sealing element is possible.

An advantageous development of the aforementioned alternative embodiment provides that the holder has a U-shaped section with two to each other having spaced legs whose distance from each other smaller than the thickness of a jointing element or two itself overlapping areas of the jointing elements is. This can a self-holding effect of the holder on the jointing element be given. In particular, when attaching the U-shaped section in the overlapping region of two mutually associated joint sealing elements becomes a close concern of the two end sections of the Sealing element achieved.

In particular, by the length of the leg of the U-shaped holding section, which merges into the distance section and at least over one fifth of the width of the joint sealing element extends, is a Guide and support of the joint sealing element in a vertical achieved standing position. Additional additional elements that the jointing element position in a standing position along the joint, are not required.

A further advantageous embodiment of the aforementioned alternative Embodiment provides that the strip-shaped body is a U-shaped Section and the U-shaped portion opposite includes a fold. The distance of the fold to the U-shaped Section corresponds to the width of a joint sealing element. This can be fixed with a holding element, the jointing element and in particular the overlap area at the top and bottom Enclosed edge of the jointing element and tight against each other be fixed. Additional retaining clips are unnecessary. By simply putting the U-shaped section on a longitudinal edge of the joint plate and a subsequent Aufklippsen the fold on the opposite longitudinal edge of the joint plate is a easy to install without tools.

Figur 1

eine schematische Schnittdarstellung eines in einer Arbeitsfuge angeordneten erfindungsgemäßen Fugendichtungselementes,

Figur 2a/b

eine erfindungsgemäße Ausgestaltung eines Halters für ein Fugendichtungselement,

Figur 3a/b

eine schematische Darstellung einer alternativen Ausgestaltung eines Halters für ein Fugendichtungselement,

Figur 4 a-e

weitere schematiche Darstellungen von alternativen Ausführungsformen von Haltern für Fugendichtungselemente,

Figur 5

eine weitere alternative Ausgestaltung eines Halters,

Figur 6 a/b

eine schematische Darstellung einer weiteren alternativen Ausgestaltung eines Halters ,

Figur 7

eine schematische Seitenansicht einer alternativen Ausgestaltung zu einem Halter zu Figur 6 a und b und

Figur 8

eine schematische Schnittdarstellung eines beschichteten Trägerelementes.

The invention and further advantageous embodiments and developments thereof are described in more detail below and explained with reference to the examples shown in the drawings. The features to be taken from the description and the drawings can be applied individually according to the invention individually or in combination in any combination. Show it:

FIG. 1

FIG. 2 a schematic sectional view of a joint-sealing element according to the invention arranged in a working joint, FIG.

Figure 2a / b

an inventive embodiment of a holder for a joint sealing element,

FIG. 3a / b

a schematic representation of an alternative embodiment of a holder for a joint sealing element,

Figure 4 ae

further schematic representations of alternative embodiments of holders for jointing elements,

FIG. 5

another alternative embodiment of a holder,

Figure 6 a / b

a schematic representation of another alternative embodiment of a holder,

FIG. 7

a schematic side view of an alternative embodiment to a holder to Figure 6 a and b and

FIG. 8

a schematic sectional view of a coated carrier element.

In FIG. 1, a joint-sealing element 11 according to the invention is in the range a Arbeitsfuge 12 arranged. The joint sealing element 11 is fixed on a reinforcement 14 before concreting. The joint sealing element 11 is preferably between a connection reinforcement 16 arranged, which is wired to the reinforcement 14. After positioning of the joint sealing element 11 is a bottom plate as the first Concreting 17 concreted. After the concrete of the first concreting section 17 has at least partially set, becomes the second concreting section 18, for example in the form of a wall, concreted. The Joint sealing element 11 seals the working joint 12 between the first and second concreting section 17, 18.

The joint sealing element 11 comprises a band-shaped or strip-shaped Carrier element 19. The carrier element 19 is made of metal, for example, Plastic, of a woven or knitted fabric, of a composite material made of plastic and / or metal and / or textile material and / or wood educated. On at least one side surface of the support element 19th For example, an adhesive layer is provided as a strip along its longitudinal direction. This layer extends at least partially, preferably completely, over the entire width or according to the one shown in FIG Installation position over the entire height of the support element 19. Die Adhesive layer can, for example, by an adhesive tape, a spray adhesive, a hot or cold adhesive, a one- or multi-component adhesive, be formed of synthetic resin or the like. During setting of the concrete is due to at least one in the adhesive Layer provided crystallization a crystallization instead, whereby a crystallized region 21 is formed after the concreting of the first and second concreting section 17, 18 is formed. By the at least one crystallization component according to the invention becomes a capillary in the critical region of the working joint 12 Sealing achieved. In addition, the at least one crystallization component as a layer on the support member 19 has the advantage that with further penetration of moisture a regrowth of the crystals and complete sealing of the leaks is given.

The joint sealing element 11 is shown in FIG 1 for arrangement in one Construction joint shown. The joint sealing element 11 is on this Scope not limited. Any other joints, Fitting locations or mounting positions between two concrete sections be provided.

The joint sealing element 11 according to FIG. 1 can be used, for example one side comprise an adhesive layer on which the crystallization component is applied. The other side of the support element 19th For example, it can only by a roughened surface of the Carrier element may be formed. Additionally or alternatively to the roughened Surface may be provided an adhesive layer. About that In addition, both at the crystallization component having Side as well as the opposite side of a swellable material be provided, which is a protective sheath, protective coating or Adhesive coating comprising the swellable material, in particular in the form of granules or granules, against the ingress of water protects, however, partially or completely after concreting dissolves to any resulting spaces through the To seal in addition shrinkage of the concrete.

The joint sealing element 11 can thus on one and the other Pages an identical structure of the individual coatings have, however, also be designed such that the component, which is applied on one side, not on the other side or even partially provided.

In Figures 2a and b is an inventive holder 24 for the joint sealing element 11 is shown. This holder 24 is as a mounting bracket formed, which has a folded edge 26 at one end, which forms a V-shaped end portion. At the opposite End is a bending radius introduced to a reinforcing rod 27 to embrace. This holder 24 has the advantage that in particular contiguous areas between the first concreting section 17 and the second concreting 18 crystallization done can, without the holder 24 hinders this process. The holders 24 are advantageously alternately on the left and right sides of the Carrier element 19 arranged so that an independent alignment, for example, in the case of an arrangement in a working joint according to FIG. 1, is possible. These holders 24 are easy and quick to mount, without the addition of a tie wire or the like is required.

According to an alternative embodiment, according to the figures 3a and b provided that in the support member 19 U-shaped punched 29th are introduced, whereby tabs 31 are formed, resulting from the Let out the plane of the support element 19. For example characterized in that the tabs 31 on a reinforcing rod 27th attack or partially surround this and the support member 19th position correctly.

In Figures 3c and d is an alternative embodiment of a holder 24 to FIGS. 3a and b. The U-shaped recesses 29 are provided such that two are opposite each other Tabs 31 are formed, which according to Figure 3c a reinforcing rod 27 embrace. The holder 24 according to FIG. 3c is preferred as formed angular bracket. Due to the design of two in a plane lying legs 33 which are arranged at right angles to each other are, allows this holder 24 without use a Rödeldrahtes the joint sealing element 11 in an installed position positioned. The free leg 33 is advantageously in its length provided such that this at least two arranged in a grid Reinforcing bars 27 covered.

Furthermore, an alternative embodiment of a holder is shown in FIG. 3c 24 provided. Instead of the introduction of tabs 31 in the support element 19 brackets or clips are provided, on the one hand to attack the support member 19 and on the other hand, a reinforcing rod 27 or encompass a Haiterelement. This is Klipselemente, due to their bias also without further Aids are fastened. These clip elements also allow the additional positioning of an injection hose to the support element 19th

FIG. 4 a shows a further alternative embodiment of a holder 24 shown. This holder 24 includes a folded edge 26, which in a vertical section 36 passes, which entanglement by 90 ° having. This is followed by a horizontal section 37, preferably extends over at least two reinforcing rods 27. This Holder 24 is advantageously inexpensive as a sheet metal stamped and bent part produced. Furthermore, the assembly is easy to perform.

An alternative embodiment of a holder 24 is shown in FIG. 4b. This holder 24 is different from that shown in Figure 4a Holder 24 formed without entanglement. By one by turns To each side of the support member 19 positioned holder 24 is again a simple, fast and secure positioning of the jointing element 11 given.

FIG. 4 c shows a further alternative embodiment of a holder 24 shown. This holder 24 is advantageously on the connection reinforcement 16 attachable or clipped. In the middle area of the stop 24 is provided a centering aid or a receptacle or the like, to position the joint sealing element 11.

FIG. 5 shows a further alternative embodiment of a holder 24 shown. This holder 24 has a tab 31, which on a End has a rod 38 which extends along the support element 19th extends. At preferably regular intervals tabs 31 are arranged, to support the support member 19. The tabs 31 are preferred firmly attached to the support member 19, and can in the shown form are provided according to Figure 5. Alternatively, you can be provided that the voltage applied to the support member 19 prior to installation Tab 31 is bent with the rod 38 to the outside, so that the carrier 19 is independent. Alternatively, it may be further provided be that the left and right tabs 31 connected to each other are and about a fold, at the upper end of the support element 19 attacks, the support member 19 in its standing position fixed.

FIGS. 6 a and b show an alternative embodiment of a holder 24 shown by way of example at an overlap region 41 of two mutually associated joint sealing elements 11 attacks. Such a Holder 24 may also outside of the overlap region 41 on the Attacking joint sealing element 11. The holder 24 has a strip-shaped Body 40, which includes different sections. At one End is a U-shaped holding portion 43 with a first leg 44th and a further leg 46 arranged parallel thereto, which is shown in dashed lines. The U-shaped holding portion 43 is located after application, preferably under bias on the side surfaces the joint sealing elements 11, to fix these adjacent to each other. The length of the leg 46 advantageously extends over half the width of the support member 19, in particular includes the Length of the leg 46 two thirds of the width of the support member 19th The leg 46 advantageously has a curb 47, which as an insertion bevel for facilitating attachment of the U-shaped holding section 43 of the holder 24 is used. The upstand 47 opposite Leg 44 corresponds in length to at least one fifth the width of the joint sealing element 11, so that the holding portion 43 allows an alignment function of the joint sealing element 11. At the same time, the erected position on the reinforcing bars 27 be assured. The leg 44 is followed by a spacer section 49, which is preferably bent at right angles to the leg 44. This spacer section 49 includes, for example, an entanglement 51 by 90 ° along the longitudinal axis of the strip-shaped body 40, see FIG that is a subsequent holding portion 52 having a side surface aligned parallel to a vertical reinforcing bar 27 is. The holding portion 52 is preferably as a rectilinear Body trained. Depending on the distance of the joint sealing element 11 to the rebar 27 or to the desired Distance, the holding portion 52 is bent around the reinforcing rod 27. Following this, by means of a pair of pliers one each Bead 54 are inserted into the holding portion 52, whereby the distance of the joint sealing element 11 to the reinforcing rod 27 set and the holding portion 52 a holding tab for further fixing the Holder 24 forms.

This embodiment of a holder 24 has the advantage that a quick and easy attachment without the help of a metal wire is required. In addition, due to the configuration of the holding section 52 a quick and easy installation regardless of Distance of the standing joint sealing element 11 to the reinforcing bar 27 allows.

The holders 24 are preferably arranged on the carrier element 19 such that that these alternately an upper and lower end side of the support element 19 engage around with its holding portion 43. This can be sure that while filling concrete or the Concrete vibrate the support member 19 in its vertical position to Reinforcement can be held. In particular, it is provided that an overlap region 41 of the carrier element 19 on the underside and the other overlap region 41 of the carrier element 19 on the upper side is fixed by the holding portion 43 of the holder 24. Thereby In a simple way, a secure attachment and fixation of the support elements 19 provided. In addition to the holder 24 may in particular in the overlapping area, the holding section 43 opposite one Retaining clip attached to the overlap area 41st to fix on both ends.

The holder 24 according to FIGS. 6 a and b may alternatively have a spacer section 49, which at an angle between 0 ° and 90 ° is arranged to the leg 44. For example, an angle between 30 ° and 60 ° provided and the spacer portion 49 without entanglement be formed, so that the holding portion 52 to a horizontal extending reinforcing rod is applied and for attachment to this is bent. By means of a pair of pliers can in an analogous manner in each case a bead 54 are introduced into the holding section 52.

FIG. 7 shows an alternative embodiment of a holder 24 according to FIGS Figures 6 a and b shown. The leg 46 extends over the entire width of the joint sealing element 11 and has a folded edge 56, which on a side edge of the joint sealing element 11th attacks. This holder 24 has the advantage that a simple application is made possible by first the U-shaped holding portion 43 is attached to a side edge of the joint sealing element 11 and then the folded edge 56 clipped on the other side edge becomes. When positioning the holder 24 in an overlapping area 41 can at the same time a close juxtaposition of the two End portions of the joint sealing element 11 can be achieved.

In FIG. 8, a carrier element 19 is shown schematically and not to scale represented, for example, on one side a rough surface 61, on which an adhesive layer, a lacquer, a bituminous or swellable material is applied. Deviating from this page the opposite side of the support element 19 is formed. For example, a coarse grain is provided on an adhesive layer. This granular material 62 may be quartz sand, silicon carbide, for example or other alternative granular material particles. These Material particles 62 are through the adhesive layer on the substrate 19 and / or by an adhesive component between the Carrier material 19 and the granular material 62 acts. In addition, you can Be interspersed crystal components 63, which after concreting crystallize. Furthermore, a granulate 64 can be introduced be made of a swellable material and a protective sheath is trained. Preferably, each granule particle is one Protective cover provided so that only when dissolving the protective sheath through the concrete due to its alkaline PH value Swelling takes place. The percentages of each described Components applied to this one side of the substrate 19 are, can be varied as you like. An advantage is a mixture, in which the material particles 62 with respect to the other in the Interspaces arranged components protrude to one To effect clawing with the adjacent concrete. Alternative to granulated or granular form of the swellable material 64 with a Schutzumhüllung can be provided that after the application of this Constituents the side of the substrate 19 with a protective coating sprayed or covered with a protective layer that prevents penetration prevented by water.

The features described in the embodiments are respectively Essential to the invention and can be combined with each other become.

Claims (22)

Joint sealing element for sealing a between two concrete sections (17, 18) joint (12) formed, wherein the joint-sealing element (11) is embedded into the concrete sections (17, 18), with a carrier element (19) which is thin-walled and in strip form, characterized characterized in that at least along one side surface of the carrier element (19) and in the width of the carrier element (19) at least in sections an adhesive layer is provided which has at least one component which seals the gap (12) by crystallization capillary. Joint-sealing element according to claim 1, characterized in that a proportion of at least 1% of the crystallization component is provided on the carrier element (19). Joint-sealing element according to claim 1 or 2, characterized in that the at least one side surface of the carrier element (19) has a rough surface on which the adhesive layer is applied. Joint-sealing element according to one of the preceding claims, characterized in that the surface of the carrier element is roughened by knurling, corrugation, grinding, etching, erosion, laser treatment or sputtering. Joint-sealing element according to one of the preceding claims, characterized in that in the adhesive layer, the roughness of the surface-increasing granular material is incorporated. Joint-sealing element according to claim 5, characterized in that quartz sand, silicon carbide, glass, ceramic, porcelain or metallic particles are used as the granular material. Joint sealing element according to one of the preceding claims, characterized in that the carrier element (19) has a profiling, in particular a wave-shaped, zigzag-shaped, multi-folded cross-sectional shape. Joint sealing element according to one of the preceding claims, characterized in that the adhesive layer is mixed with a bituminous material. Joint-sealing element according to one of the preceding claims, characterized in that the adhesive layer is at least one swellable material, in particular clay or Betonit attached. Joint sealing element according to claim 9, characterized in that the swellable material is grained or formed as granules, which is surrounded by a means which protects the grain or granules before installation of the support element (19) from water and under the influence of the surrounding concrete in built-in state, at least for the most part dissolves. A joint-sealing element according to claim 10, characterized in that the agent is a protective lacquer, an adhesive, a polymer material or a combination of several components. Joint-sealing element according to one of the preceding claims, characterized in that the at least one adhesive layer lime or cement components are mixed. Joint-sealing element according to one of the preceding claims, characterized in that the carrier element (19) is made of metal, plastic, a woven fabric, a knitted fabric, a composite material and is designed as a joint plate, joint tape, joint foil or as a filled tubular bag. Joint-sealing element according to one of the preceding claims, characterized in that on one side surface of the carrier element (19) an adhesive layer and at least one crystallization component and on the other side surface of the carrier element (19) at least one rough surface, an adhesive layer or a granular material without crystallization component is provided. Joint sealing element according to one of the preceding claims, characterized in that a plurality of U-shaped punched-out portions (29) are provided for forming tabs (31) in the carrier element (19) which are movable out of a plane of the carrier element (19). Joint-sealing element according to claim 14, characterized in that two mutually opposite U-shaped punched-out portions (29) are provided in a plane of the carrier element (19); form a holding portion and two tabs (31) in opposite directions out of the plane of the support element (19) are movable out. Holder, in particular for a joint-sealing element according to one of claims 1 to 16, characterized in that a strip-shaped body is provided which has a folded edge (26) at one end for positioning the carrier element (19) and has a holding section at the opposite end, which at least partially surrounds a reinforcing rod (27). Holder, in particular for a joint-sealing element according to one of claims 1 to 16, characterized in that a strip-shaped body is provided which at one end for positioning the support element (19) has a folded edge (26) and at the opposite end a parallel to the longitudinal edge the support element (19) extending leg (33) which extends at least over two parallel reinforcing rods (27). Holder, in particular for a joint-sealing element according to one of claims 1 to 16, characterized in that a strip-shaped body is provided which can be fastened in a connection reinforcement (16) and aligns the joint-sealing element (11) in a position lying between the connection reinforcement (16) , Holder, in particular for a joint-sealing element (11) according to one of claims 1 to 16, characterized in that a strip-shaped body (40) is provided, which has a U-shaped holding portion (43) to which an angularly arranged thereto spacer portion (43) ( 49) which merges in a straight line or with an entanglement (51) of the strip-shaped body by 90 ° along its longitudinal axis into a holding section (52). Holder according to claim 20, characterized in that the U-shaped holding portion (43) has two spaced apart legs (44, 46) whose distance from each other is smaller than the thickness of one or two overlapping joint sealing elements (11) and in particular one in the spacer portion (49) merging leg (44) which extends at least over one fifth of the width of the joint sealing element (11). Holder according to one of claims 18 or 21, characterized in that the spacer (49) arranged away leg (46) of the U-shaped holding portion (43) extends completely along the width of the joint sealing element (11) and at the free end a folded edge (56).

Images