Research Article

Back Analysis of Geomechanical Parameters of Rock Masses Based on Seepage-Stress Coupled Analysis

Table 3

Physicomechanical parameters of the stratum.

StratumGravity
(kN/m3)
Modulus of elasticity E (GPa)Poisson ratio Cohesion C (MPa)Internal friction angle (°)

Strongly weathered sandstone225.10.330.920
Weakly weathered sandstone2212.50.301.223
Metamorphic sandstone2215.20.281.525
Metamorphic quartz sandstone2419.00.291.632
Weakly weathered fine quartz sandstone2421.00.281.535