The Mechanical Criterion of Activation and Instability of Normal Fault Induced by the Movement of Key Stratum and Its Disaster-Causing Mechanism of Rockburst in the Hanging Wall Mining

<div>Conceptual model of rockburst induced by fault activation. (a) Fault stress transfer. (b) Stress concentration of fault coal pillar. (c) Instability of fault.</div>

Advances in Civil Engineering

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Figure 4

Figure 4: The Mechanical Criterion of Activation and Instability of Normal Fault Induced by the Movement of Key Stratum and Its Disaster-Causing Mechanism of Rockburst in the Hanging Wall Mining 

Figure 4 | The Mechanical Criterion of Activation and Instability of Normal Fault Induced by the Movement of Key Stratum and Its Disaster-Causing Mechanism of Rockburst in the Hanging Wall Mining 