hardcore,rubble
[DE] Aufbruchmaterial
[EN] hardcore; rubble
[FR] matériaux de démolition
bottoming,hardcore,penning,pitching,sub-base reinforcement
[DE] Bruchsteine für das Steinbett oder Packlage; Füllsteinlage; Steinunterlage
[EN] bottoming; hardcore; penning; pitching; sub-base reinforcement
[FR] blocage; blocs; moellons; moellons ou blocs; noyau dur