Similar material simulation experiment is an important way in coal mining study. The similarity of mechanics characteristic of the simulating support determines the correctness of experiment results.
相似材料模拟实验是煤矿开采实验研究不可替代的实验手段，实验中模拟支架的力学特性相似性是影响模拟实验是否准确的重要因素。
Based on the similar material simulation and prectical experiment in situ, the movement charactedistic of overburden strata of longwall sublevel caving method has been studied in the paper.
本文用相似材料模拟，现场实测等方法研究放顶煤开采覆岩活动规律。
The similar material experiment and the numerical simulation calculation were adopted to analyze the slope stability in combining mining of open-pit with underground mining.
采用相似材料模拟试验以及数值模拟计算研究了井工露天复合开采条件下边坡的稳定性。
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