Assesing of crushing in granular materials using acoustic emission

B. Caicedo, A. Martinez, L. Vallejo

In the proceedings of: GEO2011: 64th Canadian Geotechnical Conference, 14th Pan-American Conference on Soil Mechanics and Geotechnical Engineering, 5th Pan-American Conference on Teaching and Learning of Geotechnical Engineering

Session: Laboratory Testing

ABSTRACT: Granular materials experience abrasion and crushing as a result of static or dynamic loads. Despite of the research that has been conducted to date on how to evaluate abrasion and crushing, most of the experimental techniques to evaluate crushing are based on destructive measurements. In this paper the Acoustic Emission technique is used as a tool to asses crushing in a non destructive way.

RESUMEN: Los materiales granulares sufren abrasión o fracturamiento cuando se los somete a esfuerzos estáticos o dinámicos. A pesar de la numerosa investigación en este campo, la mayoría de métodos de evaluación del fracturamiento están basados en técnicas destructivas. En este artículo la técnica de emisiones acústicas se presenta como una herramienta de evaluación no desstructiva del fracturamiento.

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