The Principle of Invariant Stress of the Surrounding Rock of the Hole under the Condition of Equal Pressure in the Deep Rock Mass

<div>Relation between plastic zone range and stress influence range of straight wall semicircular arch hole.</div>

Shock and Vibration

Figure 11: The Principle of Invariant Stress of the Surrounding Rock of the Hole under the Condition of Equal Pressure in the Deep Rock Mass 