Analysis of Extent of Deformation Range and Failure Characteristics of Rocks Surrounding a Tunnel Crossing Fault Zone Based on FDEM

Table 2

Test soil parameters.

Soil name	Density (g/cm^3)	Cohesion (kPa)	Internal friction angle (°)
Strongly weathered quartz sandstone	2.49	14.5	35.4
Fully weathered soil in the fault core zone	2.26	3.7	35.8