Based on the viewpoints of rock fracture mechanics, compressive strength of rock mass controlled by discontinuities is discussed.
基于岩体断裂力学的观点，探讨基于结构面扩展的岩体抗压强度准则。
Through the rock mass test, the linear relationship between critical load of the probe and its corresponding rock compressive strength is regressed.
通过岩块试验回归了探针的临界载荷和所对应的岩石单轴抗压强度之间的关系。
According to the compressive strength of coal rock mass, the paper provided the calculation formula of the pick cutting force during the coal cutting operation.
根据煤岩体的抗压强度，给出了镐形截齿破煤过程中截割力的计算公式。
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