Shock and Vibration / 2019 / Article / Fig 6

Research Article

Experimental Study on Stress Evolution and Microseismic Signals under Vibration Conditions of Coal during Excavation and Subsequent Waiting Time

Figure 6

Stress evolution in the waiting time of the second stage: (a) stress-time curve of 4 measuring points; (b) diagram of stress distribution at different locations over time.

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