Study on the Evolution Characteristics of Two-Zone Failure Mode of the Overburden Strata under Shallow Buried Thick Seam Mining

<div>The evolution process of the two-zone failure mode with working face moving.</div>

Advances in Civil Engineering

Figure 4: Study on the Evolution Characteristics of Two-Zone Failure Mode of the Overburden Strata under Shallow Buried Thick Seam Mining 