Evaluation Method of Floor Heave Damage Degree and a Case Study in Zaoquan Coal Mine, China

<div>In situ stress measuring device and schematic diagram. (a)SYY-56 hydraulic fracturing ground stress measuring device. (b) Schematic diagram of in situ stress measurement by hydraulic fracturing.</div>

Shock and Vibration

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Figure 6

Figure 6: Evaluation Method of Floor Heave Damage Degree and a Case Study in Zaoquan Coal Mine, China 