Abstract
This report discusses the present state of knowledge with respect to the nature of the fundamental processes involved in rock breakage, both static and dynamic. Particular attention is paid to assessing the applicability to observed breakage phenomena of the several prevalent theories or criteria of rock failure. It is concluded that at best our understanding of rock breakage is inadequate and uncertain, with breakage under dynamic loads being somewhat better understood than under static loads.
Résumé
Cet exposé fait etat des connaissances actuelles sur les principales méthodes, tant du point de vue statique que dynamique, de rupture des toches. L' auteur compare les observations experimentales aux théories générales avancées ou aux critères connus de rupture des roches. Il conclue que notre connaissance dans ce domaine est incertaine et insufficiante, les effets dynamique de la rupture étant un peu mieux compris que les effets statiques.
Zusammenfassung
Der Vortrag behandelt unser heutiges Wissen von den fundamentalen statischen und dynamischen Prozessen, die beim Aufbrechen von Felsen vorkommen. Besonders Gewicht ist gelegt auf die Anwendbarkeit einiger vorherschender Theorien von Felspaltungen auf die beobachieten Aufbrecherscheinungen. Der Author kommt zu dern Schluss, dass unser Verständniss von Aufbrechen von Felsgestein unzureichend und lückenhaft ist; Hierbei kann das Brechen unter dynamischen Belastungen etwas besser verstanden werden als das unter statischen Belastungen.
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Rinehart, J.S. Fracture of rocks. Int J Fract 2, 534–551 (1966). https://doi.org/10.1007/BF00193692
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DOI: https://doi.org/10.1007/BF00193692