Research Article

[Retracted] Blasting Law of Liquid CO2 Phase Change in Coal Mine Based on Numerical Simulation

Table 2

Mechanical parameters of the model.

Bulk density/kg∙m−3Bulk modulus/GPaShear modulus/GPaInternal friction angle/°Cohesion/MPaUniaxial tension/MPa

13501.510.57391.40.58