定义 中文名称: 防水煤柱 英文名称: barrier pillar 定义: 在井下受水害威胁的地带,为防止水突然涌入而保留一定宽度或厚度暂不采动的煤柱。 应用学科: 煤炭科技(一级学科);煤田地质与勘探(二级学科);矿床水
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采矿工程专业词汇(一) ... 自燃 spontaneous combustion 防水(砂)煤柱 water(sand)-proof coal pillar 陷落柱 collapse column ...
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文章摘要信息 关键词 : 陷落柱 防水煤柱 围岩变形 数值模拟 [gap=1015]Keywords : subsided column;water barrier pillars;rock failure;numerical simulation
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9 thousands ton, the total amount. In general, for fault waterproof coal pillar, grouting is an advanced, simple in process, safety and effective method.
本文的研究表明,采用注浆法回收断层防水煤柱是一种技术先进、工艺简单、安全可靠、效益显著的有效方法。
参考来源 - 马坊煤矿断层防水煤柱开采回收研究·2,447,543篇论文数据,部分数据来源于NoteExpress
并计算了与防水煤柱有关的可靠度指标、失效概率和安全系数。
This paper calculates reliability index, lose efficacy probability and safety coefficient corresponding to the width of different barrier pillar.
在此基础上推导出采场断层防水煤柱留设计算公式,并用实例验证该公式的合理性。
The formulas to design safe pillar against water-inrush from faults are achieved according to above results and a case study shows that the formula is reasonable.
第四纪底砾层直接覆盖在谢桥煤矿煤系地层之上,其隔水性能影响到防水煤柱的合理留设。
The main target coal seam of Xieqiao Mine is directly covered with the Quaternary bottom gravels, whose impermeability affects the reasonable retainment of waterproof pillar.
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