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首页> 外文期刊>Mining Engineering >Drilling and blasting in hot, reactive ground at Meikle
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Drilling and blasting in hot, reactive ground at Meikle

机译:在Meikle的高温反应性地面上进行钻孔和爆破

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摘要

No additional premature detonation incidents have occurred at the Meikle Mine since September 1997, following the minewide employment of buffered emulsion and strict enforcement of loading procedures.Many people thought that the mine's explosives and ground reactivity issues were over when the Upper Main Zone was mined out. However, the mine has recently expanded to deeper levels. Some workplaces in these lower levels have sulfuric acid, occasional minor amounts of sulfur dioxide gas and fairly high boreholes temperatures, coupled with venting steam.
机译:自1997年9月以来,在全矿范围内使用了缓冲乳剂并严格执行了装载程序后,Meikle矿山再没有发生过早的爆炸事件。许多人认为,上主区被开采时,矿井的炸药和地面反应性问题已经结束。 。但是,该矿山最近已扩展到更深的层次。这些较低水平的一些工作场所中有硫酸,偶有少量的二氧化硫气体和相当高的井眼温度,以及排出的蒸汽。

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