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

<div>Relationship between the plastic area range of holes and the influence range of stress under the condition of sandy mudstone.</div>

Shock and Vibration

Figure 9: The Principle of Invariant Stress of the Surrounding Rock of the Hole under the Condition of Equal Pressure in the Deep Rock Mass 