With the increasing depth of coal mining, underground roadways will be a higher environment of geo-stress, especially in the areas where there have happened intense activities of geological structure.

 
  • 摘要随着煤矿开采深度的不断增加,井下煤矿巷道将处于更高的地应力环境中,尤其在地质构造复杂的地区,井下巷道支护及稳定性更加难以保证。
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