Numerical Investigation of the Influence of Roof Fracturing Angle on the Stability of Gob-Side Entry Subjected to Dynamic Loading

Table 1

Material parameters for the liner structural element.

Parameters	Isotropic, E (GPa)/	Density (kg/m^3)	cs_nk (MPa)	cs_sk (MPa)	cs_ncut (MPa)	cs_scoh (MPa)	cs_scohres (MPa)	cs_sfric (°)
Value	25/0.15	2500	800	800	4	4	2	20