Accurate Perception of Rock Strata Movement for Environmental Protection in Coal Mining: Taking Thick and Hard Roof Cooperative Control as an Example

<div>Working face advancing to 80 m. (a) Overlying strata fracture characteristics of the model. (b) Vertical stress characteristics of the model.</div>

Advances in Civil Engineering

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Figure 10

Figure 10: Accurate Perception of Rock Strata Movement for Environmental Protection in Coal Mining: Taking Thick and Hard Roof Cooperative Control as an Example 

Figure 10 | Accurate Perception of Rock Strata Movement for Environmental Protection in Coal Mining: Taking Thick and Hard Roof Cooperative Control as an Example 