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工程岩体的变形破坏一般受结构面的控制。结构面的分布、特征及组合关系,即岩体结构是岩体稳定的内在因素。它决定岩体的稳定程度、可能变形和破坏的边界条件、方式、规模及特性等。所以,岩体地质结构面的力学特性,尤其是它们的剪切强度的研究有很重要的理论和实践意义。岩体结构面的抗剪特性主要决定于结构面两侧岩体的岩性特征、结构面的起伏形态、
The deformation and failure of engineering rock mass are generally controlled by the structural plane. The distribution, characteristics and combination of structural planes, that is, the rock mass structure is the inherent factor of rock mass stability. It determines the stability of the rock mass, the boundary conditions, modes, scale and characteristics that may be deformed and destroyed. Therefore, the mechanical properties of the geological structure of rock mass, especially the study of their shear strength has very important theoretical and practical significance. The shear resistance of the rock mass structural plane is mainly determined by the lithological characteristics of the rock mass on both sides of the structural plane, the undulating morphology of the structural plane,