rock roadway support 岩巷支护
roadway support design 巷道支护设计
coal roadway support 煤巷支护
mine roadway support 巷道支护
roadway support parameter 煤巷支护参数
roadway support parameters 巷道支护参数
gob-side roadway support 沿空留巷支护
Without adding any additional performing difficulty or cost, polypropylenefiber concrete with excellent mechanical property and reliable quality has goodprospect of application in roadway support by anchoring in coal mines.
由于不增加施工难度和工程费用，且力学性能优良质量可靠，在煤矿锚 喷巷道支护中的应用前景十分广阔。
参考来源 - 聚丙烯纤维混凝土喷层在矿业工程中的应用—《安徽理工大学学报·自然科学版》—2008年第2期—龙源期刊网·2,447,543篇论文数据，部分数据来源于NoteExpress
In roadway support, bolt support saves cost of support over profile steel, economic performance is distinctly improved.
锚杆支护在煤巷支护方面，较型钢支护程度不同地节约了支护费用，经济效益明显提高。
Liangjia Coal Mine in Longkou mining area is a typical "three-soft" mining area, meeting many difficulties in roadway support.
龙口矿区梁家煤矿是典型的“三软”矿区，在巷道支护上遇到了非常大的困难。
The dynamic design method adopted in this paper provides a effective means of designing roadway support in deeply inclined seams.
试验表明采用的设计方法是科学合理的，填补了急倾斜煤层巷道支护理论和设计方法的空白。
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