Buttress for use in a bollard and bollard with such a pillar

摘要

Barrier pier (3) for use in a bollard (1) for ground - level installation, the locking pier (3) extending along a longitudinal axis (2) and having a pier wall (4) along the longitudinal axis, characterized in that the pier wall (4 ) comprises a multilayered material composition, the material composition comprising a plurality of metal-containing layers (13, 15, 17) interleaved with a plurality of polymer layers (19, 21).