Rock-Arch Instability Characteristics of the Sandstone Plate under Different Loading Conditions

Table 1

Microparameters of the model in PFC^3D.

𝜌/kg/m^3	𝑅min/m	𝑅ratio	𝜇	𝜆	𝐸𝑐/Pa	𝐸𝑐/Pa	𝑘𝑛/𝑘𝑠	𝑘𝑛/𝑘𝑠	𝜎𝑐/Pa	𝜏𝑐/Pa
2650	1.2𝑒−3	1.66	0.5	1.0	2.7e9	2.8e9	1.8	1.8	16e6	16e6