Research on the Deformation Mechanism of Mining Roadway Stratiform Surrounding Rock with Nonuniform Stress Field

Table 1

Mechanical parameter of models.

Group	Internal friction angle (°)	Cohesion (MPa)	Normal stiffness (MPa·cm^−1)	Tangential stiffness (MPa·cm^−1)	Density (kg·m^−3)	UCS (MPa)
Rock	45	3.12	—	—	1500	12.5
Structural plane	31	1.16	160	45	—	—