Experimental Study on the Influence Mechanism of the Structural Plane to Rockbursts in Deeply Buried Hard Rock Tunnels

Table 1

Basic mechanical parameters of the marble used in this study.

Type of material used	(MPa)	(MPa)	E (GPa)
Marble	126.06	1.63	51.59	0.23

, , E, and are uniaxial compression strength, the uniaxial tensile strength, elastic modulus, and Poisson ratio, respectively.