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[期刊论文] 作者:Kevin Jinrong Ma,John Stankus, 来源:矿业科学技术学报:英文版 年份:2018
In order to access remote reserve areas,some U.S.coal mines have to maintain aged underground entries for a great distance.However,high humidity,warm temperatur...
[期刊论文] 作者:Kevin Jinrong Ma,John Stankus,, 来源:矿业科学技术学报:英文版 年份:2018
Expandable rock bolts are widely used in hard rock mines as an efficient ground control product.However,capacity and service life can be significantly reduced i...
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