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

<div>(a) Stress analysis on arbitrary section of complete pressure arch. (b) Stress analysis on arbitrary section of semipressure arch.</div>

Mathematical Problems in Engineering

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Figure 15

Figure 15: 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 15 | 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 