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岩石在爆炸力的作用下,其被破坏的难易程度称之为岩石的爆破性.对这种难易程度进行分级,就是岩石的爆破性分级(简称分级).分级对评价爆破效果、加强生产管理、确定劳动定额与材料消耗均十分重要;同时也是爆破工程设计的基础,推广先进技术的依据.
Rock under the action of the explosive force, the degree of its destruction is called the blasting of rock burst.To ease the degree of grading is the blasting of rock classification (referred to as grading.) Grading on the evaluation of the blasting effect, to strengthen Production management, determining labor quotas and material consumption are very important; but also the basis of blasting engineering design, the promotion of advanced technology.