Advances in Civil Engineering / 2020 / Article / Tab 8

Research Article

Estimation of Rock Burst Grades Using Rock Mass Strength

Table 8

Rock burst estimation criterion based on the ratio of σcm to σc.

Estimation indexSlight rock burstMedium rock burstStrong rock burstViolent rock burst

>0.1670.066∼0.1670.012∼0.066≤0.012

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