Anisotropic Fracture Characteristics of Coal Under Static and Dynamic Loadings

Abstract

This study commences with the mesoscopic fracture mechanism of coal burst, focusing on fracture properties of coal under static and dynamic loadings. Employing a multi-faceted approach, including theoretical analysis, laboratory tests, and numerical simulations, the anisotropy and rate-dependency of fracture behaviors of coal are investigated after regarding it as a transversely isotropic body. It is expected that this research can provide a theoretical foundation for understanding coal bursts and offers insight for disaster prevention.