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岩石是矿山工作的主要对象。随着矿业的发展,实践使我们认识到不论科研、设计、还是基建和生产都迫切需要对岩石的坚固性、稳定性和可磨性等进行科学的分级。这种分级用于矿山边帮要素的计算或选取,预报矿石性质,制定各种技术和原料、材料、动力消耗定额,评价经济效益,进行技术引进和设备选型,都是十分有益的。
Rock is the main target of mine work. With the development of mining, practice has made us realize that there is an urgent need to scientifically classify the rigidity, stability and grindability of rock whether in research, design, infrastructure or production. This classification is used to calculate or select the edge elements of the mine, to predict the nature of the ore, to develop various techniques and raw materials, materials, power consumption quotas, evaluate economic benefits, and introduce technology and equipment selection, are very useful.