Scanning Electronic Microscope Tests for Rock Micro-Rupture Mechanism and Fracture Characteristic of Phyllite
详细信息   
摘要
This paper uses the sericite phyllite and siliceous plate phyllite of Middle Devonian series on upriver of Jinsha River as the research object. The micro-rupture properties of rock are judged and the relation between the form and mechanism of phyllite micro-rupture and mineral component is revealed through scanning electronic microscope and mechanical tests. The sericite phyllite shows micro-scratch micro-fracture fracture which is a typical micro-brittle shear. The physical meaning of rock fracture is analyzed with the combination of mechanic characteristics of macroscopic fracture. The evidence is acquired to establish the link between rock micro-rupture mechanism and macroscopic fracture analysis.
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