Also see:
4.24.4.9 Compressible materials
Compressible materials shall be capable of absorbing potential heave forces.
Materials used to accommodate heave should be assessed in accordance with Technical Requirement R3, and used in accordance with the manufacturer’s recommendations and independent assessment when applicable.
Depending on the type of material used, the thickness of the material adopted should take account of the minimum void required, and the residual thickness of the material when compressed.
Last updated: 2nd January 2025