Research Article

Classification Method and Application of Rock Fracture Ability by Supercritical CO2 Blasting

Table 4

Weight obtained by AHP.

Grading indexRock mass density (g·cm−3)Tensile strength (MPa)Wave impedance of rock (×106 kg·m−2·s−1)Intactness index of rock mass

Weight0.07290.47280.28440.1699