Investigation on the influence mechanism of rock brittleness on rock fragmentation and cutting performance by discrete element method

•Failure mode of large brittle rocks transfers from ductile to brittle mode.•Rocks with small brittleness are damaged thoroughly under high confining pressure.•Vertical propagation of macro crack on large brittle rocks is restrained under confined condition.•Mean and mean peak of cutting force tend...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Veröffentlicht in:	Measurement : journal of the International Measurement Confederation 2018-01, Vol.113, p.120-130
Hauptverfasser:	Xuefeng, Li, Shibo, Wang, Shirong, Ge, Malekian, Reza, Zhixiong, Li
Format:	Artikel
Sprache:	eng
Schlagworte:	Brittleness Chip formation Compressive strength Computer simulation Confining Conical pick Correlation coefficients Crack propagation Cutting force Cutting parameters Damage Discrete element method Ductile fracture Ductile-brittle transition Fracture mechanics Fragmentation Mining Pressure effects Rock brittleness Rock cutting Rock fragmentation Rocks Shear strength Stability Stability analysis Studies Synergistic effect Variations
Online-Zugang:	Volltext
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Schreiben Sie den ersten Kommentar!