Experimental study of the strength and crushing of unsaturated spherical particles

B. Caicedo, A. Cacique, C. Contreras, L.E. 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: An experimental research program has been undertaken to investigate the behaviour of spherical particles under compression. Some theoretical aspects are revisited and then the experimental program is presented. The results show that Hertz theory is not the most appropriate theory to describe the contact behaviour between particles. Also the strength and the grain size distribution after crushing are presented.

RÉSUMÉ: Un programa experimental se ha llevado a cabo con el fin de investigar el comportamiento de partículas esféricas en compresión. Se presentan algunos aspectos teóricos y luego se describe el programa experimental. Los resultados muestran que la teoría de Hertz no es aplicable para describir el contacto entre partículas granulares. También se presenta en este artículo la resistencia de las partículas y su distribución granulométrica después de la falla.

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