岩石的结构面及软弱结构面（The structural plane and weak structural plane of rock）.docVIP

岩石的结构面及软弱结构面（The structural plane and weak structural plane of rock） The original rock in the bedding, level and later in the geological formation of the geological interface structure of faults and joints, referred to as the cleavage and bedding fault surfaces such as various types of surface. Rock blocks of different sizes and shapes cut from the structural planes are called structures. The combination of the structural plane and the structure is called the rock mass structure. The outstanding feature of rock mass structure is discontinuity. This discontinuity increases the anisotropy of the mechanical properties of the rock masses. The rock mass structure controls the deformation and failure of rock mass under the action of force. Rock mass structure is the basic concept of rock engineering geomechanics. The rock structure, structure or structural plane of rock mass and structure of these surface formed by cutting the combined type, two are intrinsically linked, they are long-term results with the movement of the earth crust, and the constant change and development, while the influence of geostress and engineering effect will change and the development of. As a result, the two elements of rock mass structure are the structural plane and the structural body. Rock mass engineering geomechanics regards rock mass as a structural geological body composed of structural planes and structures. The structural plane is the geological interface of various fault planes, joint planes, fracture planes, planes, unconformities and contact surfaces existing in the rock mass. Structure refers to the various geological blocks cut by these geological interfaces in different shapes and sizes. Therefore, the structure of rock surface is the primary rock in the bedding, level and later in the geological formation of faults, joints, cleavage and bedding fault surfaces such as various types of geological interface. The weak structure surface is for unstable slopes, an important town, an