By the analogy simulation tests on Xingtai mine, the failure characteristics of overlying strata and its displacement regularity are studied.

 
  • 筆者是通過(guò)相似模擬試驗對邢臺礦的煤層上覆巖層破壞特征及其位移變化規律和頂板的應力變化規律進(jìn)行了研究。
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