Rock Burst Mechanism under Coupling Action of Working Face Square and Regional Tectonic Stress

<div>Height of fractured zone in overlying strata. <i>x</i><sub><i>i</i></sub> is the mining position of working face. <i>h</i><sub><i>i</i></sub> is the height of overburden fracture when mining face reaches <i>x</i><sub><i>i</i></sub>.</div>

Shock and Vibration

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Figure 3

Figure 3: Rock Burst Mechanism under Coupling Action of Working Face Square and Regional Tectonic Stress 