agrégats

OBS: En géotechnique routière on utilise plutôt le terme granulats.

CONT: As a basic raw material aggregates can be put to many uses, although certain tasks may require a specific type of aggregate. ... Aggregates are used in construction to provide drainage, fill voids, protect pipes, and to provide hard surfaces. They are also used in water filtration and sewage treatment processes. ... This is frequently used alongside roads in order to disperse water collected from the asphalt surfacing.

CONT: Agregados. Compuestos de grava y arena que son extraídos de sus respectivas canteras. Estos materiales proporcionan al concreto el volumen necesario e incrementan su resistencia. Bajo circunstancias normales, un metro cúbico de concreto contiene dos toneladas métricas de grava y arena.