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similar material simulating test
相关语句
  相似匹配句对
     The research of rocky similar material
     岩性相似材料研究
短句来源
     It is similar to C.
     本种在体态上与疏花虾脊兰C .
短句来源
     Material
     实验材料与方法
短句来源
     Material
     实验材料
短句来源
     Research on Similar Material of Rockmass
     岩体相似材料的研究
短句来源
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The action on ribs of pretensioned bolt in the roof has been analyzed on the basis of mechanics of rock, the similar material simulated test and means of the numerical simulation in this paper. Have announced the principle of reducing ribs deformation by this method, the basic interaction principles of surrounding rock has been illuminated in the supporting system. Point out that rational pretensioned bolt in roof can form intensifying roof beam structure and help and keep tunnel the...

The action on ribs of pretensioned bolt in the roof has been analyzed on the basis of mechanics of rock, the similar material simulated test and means of the numerical simulation in this paper. Have announced the principle of reducing ribs deformation by this method, the basic interaction principles of surrounding rock has been illuminated in the supporting system. Point out that rational pretensioned bolt in roof can form intensifying roof beam structure and help and keep tunnel the stabilities of ribs rock.

综合运用相似材料模拟试验和数值模拟结果,分析了预应力锚杆支护技术对两帮的控制效用,指出锚杆支护中合理的预紧力可以改善锚固岩体力学性能,降低两帮变形量,从而有利于保持巷道围岩稳定。

According to geological conditions of anti-sand & anti-collapse coal pillar in outcrop zone of Xingtai Mine,the methods of Finite Difference Simulation,Similar Material Simulating Test and Analogy Analysis are adopted to determine the damage height of overburden rock and the height of anti-sand & anti-collapse coal pillar under condition of full-mechanized top-coal caving.The scheme of stage-wise step-type depth-limit caving of top-coal is selected to ensure success of mining test in 7816 stope using...

According to geological conditions of anti-sand & anti-collapse coal pillar in outcrop zone of Xingtai Mine,the methods of Finite Difference Simulation,Similar Material Simulating Test and Analogy Analysis are adopted to determine the damage height of overburden rock and the height of anti-sand & anti-collapse coal pillar under condition of full-mechanized top-coal caving.The scheme of stage-wise step-type depth-limit caving of top-coal is selected to ensure success of mining test in 7816 stope using full-mechanized top-coal caving.The experience of test can be taken for reference by similar mines.

根据邢台矿露头区防砂防塌煤柱地质情况,采用有限差分模拟、相似材料模拟试验、类比分析相结合的方法确定出了综放开采条件下覆岩破坏高度,确定综放开采条件下防水、防砂、防塌煤柱高度,制定了分阶段阶梯式限厚放顶煤开采方案,以确保7816综放工作面的试采成功,对类似工程地质条件下的其它矿区也有一定的借鉴作用。

 
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