Joint sealing profile, construction joint bridging device and method of manufacturing a joint sealing profile

1. A construction joint bridging device for sealing roadway transitions or pavement transitions in bridges, wherein the construction joint bridging device comprises at least two supports and at least one joint sealing profile, wherein the joint sealing profile consisting at least partially of an elastic material and having at least one holding portion for fastening to the support of the construction joint bridging device,

wherein each support comprises a recess of fixed volume for receiving at least one holding portion of the joint sealing profile, wherein the recess comprises an undercut into which the holding portion extends when activated,

wherein at least one holding portion of the joint sealing profile is inserted into the recess, and

the holding portion has, at least in sections, a material composition which can be activated in a targeted manner by a chemical, thermal, or physical exposure so that the volume of the holding portion increases, in order to form a form-fitting and force-locking component connection between the holding portion and the respective recess.

2. The construction joint bridging device according to claim 1 ,

wherein

the increase in volume is at least partially reversible.

3. The construction joint bridging device according to claim 1 ,

wherein

the material composition comprises a material which increases its volume upon exposure to a chemical.

4. The construction joint bridging device according to claim 1 ,

wherein

the material composition comprises a field-affine material, so that the exposure can occur by applying an energy field.

5. The construction joint bridging device according to claim 1 ,

wherein

the holding portion is designed in such a way that when it is subjected to chemical, thermal, and physical exposure, it forms an abutting contact with the corresponding recess.

6. The construction joint bridging device according to claim 1 ,

wherein

the material composition comprises a material swellable by a liquid, so that the exposure can occur by means of such a liquid.

7. The construction joint bridging device according to claim 6 ,

wherein

the swellable material comprises a mineral and a water-swellable polymer.

8. The construction joint bridging device according to claim 6 ,

wherein

the swellable material comprises a granulate comprising a polyacrylic acid-based superabsorber and an elastomeric carrier material.

9. The construction joint bridging device according to claim 6 ,

wherein

the material composition comprises a prepolymer so that the exposure can occur by means of water, wherein the prepolymer is configured to release CO2 depending on the swelling.

10. A method for producing a construction joint bridging device according to claim 1 ,

wherein

the joint sealing profile is produced as a profile and the material composition is introduced into the profile in the holding portion.

11. The method according to claim 10 ,

wherein

the joint sealing profile is inserted into the recess and the holding portion is subjected to chemical, thermal, and physical exposure so that its volume increases.

12. The method according to claim 10 ,

wherein

at least part of the holding portion is manufactured with the material composition as a separate component and is connected as such to the profile in a separate process step.

13. The method according to claim 12 ,

wherein

the separate component is vulcanized onto the profile.

14. A method of sealing joint in a construction joint bridging device using of a joint sealing profile, wherein the joint sealing profile consists at least partially of an elastic material and having at least one holding portion for fastening to a support of the construction joint bridging device, wherein each support comprises a recess of fixed volume for receiving at least one holding portion of the joint sealing profile, wherein the recess comprises an undercut into which the holding portion extends when activated, and

the holding portion has, at least in sections, a material composition which can be activated in a targeted manner by a chemical, thermal, or physical exposure so that the volume of the holding portion increases, the method comprising:

inserting at least one holding portion of the joint sealing profile into the recess; and

activating the holding portion in a targeted manner by a chemical, thermal, or physical exposure so that the volume of the holding portion increases so that the volume of the holding portion increases, in order to form a form-fitting and force-locking component connection between the holding portion and the respective recess.

15. A method for disassembling a construction joint bridging device for sealing roadway transitions or pavement transitions in bridges, wherein the construction joint bridging device comprises at least two supports and at least one joint sealing profile,

wherein the joint sealing profile consisting at least partially of an elastic material and having at least one holding portion for fastening to the support of the construction joint bridging device, wherein each support comprises a recess of fixed volume for receiving at least one holding portion of the joint sealing profile, wherein the recess comprises an undercut into which the holding portion extends when activated,

wherein at least one holding portion of the joint sealing profile is inserted into the recess, and

the holding portion has, at least in sections, a material composition which can be activated and/or deactivated in a targeted manner by a chemical, thermal, or physical exposure so that the volume of the holding portion is reduced, the method comprising reducing a volume of the holding portion in target manner by chemical, thermal, or physical exposure.