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Table 2

Mechanical properties of rocks used in the numerical simulations.

Property Materials
Rock salt Interlayer Mudstone
Young’s modulus (GPa) 3.99 3.8 4.72
Poisson’s ratio 0.24 0.277 0.185
Cohesion (MPa) 5.45 5.70 8.19
Friction angle (degrees) 30.51 30.43 39.57
Tensile strength (MPa) 1.04 1.08 1.67

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