Research Article

Influence of Microscopic Parameters on the Stress-Strain Relation in Rocks

Table 3

The relationship between the particle contact stiffness ratio and macroscopic mechanical properties.

Particle contact stiffness ratioModulus of elasticity (GPa)Poisson’s ratioUniaxial compressive strength (MPa)

0.54.390.13627.26
14.330.14728.48
1.454.220.15727.06
24.170.16626.37
34.060.17826.80
43.990.18726.37
53.940.19325.80
63.900.19725.59
73.870.20125.63
83.840.20324.98
93.820.20524.84
103.810.20724.54