Research Article

Study on the Strata Movement Rule of the Ultrathick and Weak Cementation Overburden in Deep Mining by Similar Material Simulation: A Case Study in China

Figure 8

Failure characteristics and movement rule of the overburden when the working face 2202 was 180 m wide. (a) Failure characteristics of the overburden. (b) Movement rule of the overburden.
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(b)