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DYNA
versión impresa ISSN 0012-7353versión On-line ISSN 2346-2183
Resumen
PALUMBO, Demian Daniel et al. Methodology for the granulometric control of aggregates. Development of limit granulometric curves for quarries, adapted to road requirements. Dyna rev.fac.nac.minas [online]. 2023, vol.90, n.229, pp.137-147. Epub 03-Abr-2024. ISSN 0012-7353. https://doi.org/10.15446/dyna.v90n229.109296.
The absence of specifications for the granulometry a quarry must produce causes a serious problem, making it difficult for quarries to adjust their processes to produce within the range required by clients, and for costumers, making it a difficult process to design asphalt mixes and concretes that conform to the granulometric curves established in regulations. It is essential to develop limit granulometric curves for quarries, adapted to customer requirements. In this paper, a methodology for granulometric control in the quarry is proposed, which includes the collection of process information, the preparation of control charts and the process capability analysis according to the established specifications. Moreover, an example of the development of limit granulometric curves is proposed for the quarry under study located in Argentina, in the province of Buenos Aires, which would allow to produce aggregates whose granulometry can be used in asphalt mixes CAC D19 and concrete pavements.
Palabras clave : quality; granulometry; control charts; quarries; sensitivity analysis; process capability.