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Article | REF: C5461 V1

Joint sealing in public works - Applications

Author: Philippe COGNARD

Publication date: February 10, 2003

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9. Special seals

9.1 Structures in contact with seawater

This includes piers, ferry terminals, oil platforms and lighthouses.

In all these cases, you can use :

  • or epoxies, which offer very long resistance to seawater (several decades) and protect steels from saltwater corrosion, but produce rigid joints;

  • or polysulfides, flexible epoxy-polysulfides or epoxy-polyurethanes.

Example

The joints in the large-scale concrete slab at the Hoverport in Dover (UK) –, which houses the air-cushioned Hovercraft, were made using an epoxy-polyurethane mastic, which is moderately flexible but resists the harsh working conditions (friction,...

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