韩城北区煤层围岩封闭性评价 - 煤炭网 关键词 煤层 围岩 封闭 评价 [gap=672]Keywords coal seam;enclosing rock;confining;evaluation
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The design and construction of anchor had considered requirements adapted to the deformed enclosing rock.
该锚杆的设计和施工都考虑了与围岩变形相适应的要求。
The rational parameters for the stability monitoring and forecast of the tunnel enclosing rock are put forward.
提出了巷道围岩稳定性监测和预报的合理参数。
The acoustic emission characteristics of sandstone under fracturing are studied by simulating the stress state of the tunnel enclosing rock using the real three axle press.
使用真三轴压机模拟巷道围岩的受力状态，研究了砂岩破坏过程中的声发射特性。
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