Study on Law of Overlying Strata Breakage and Migration in Downward Mining of Extremely Close Coal Seams by Physical Similarity Simulation

<div>Location of Wuhushan coal mine in Inner Mongolia autonomous region, China.</div>

Advances in Civil Engineering

Figure 1: Study on Law of Overlying Strata Breakage and Migration in Downward Mining of Extremely Close Coal Seams by Physical Similarity Simulation 