Today tunnel segment liners are sealed with corner-vulcanised gaskets made of extruded elastomeric compression profiles. The profile geometries and the elastomeric materials have been further developed in course of time to meet the steadily increasing water-proofing requirements. After 40 years of using such compression gaskets, a wide range of proven standard profile geometries and well-known brands can be found on the market. Even so, there is still potential for further developments and improvement, not only with regard to the water-proofing performance. Permanently increasing cost pressure in the segment production plants demands further developments and new solutions with regard to application techniques._x000D_
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