论文部分内容阅读
对于岩体而言,找出一个现实的强度破坏判据的困难在于岩体的结构性(或称多裂隙性).如图1所示,岩体可以由完整岩块(Intact rock)转换成严重节理交切的岩体.这一过程取决于岩石工程性质和规模.如在岩石掘进和爆破技术方面,主要是研究岩块强度性质.而岩体中修建工程建筑物时,主要是研究与整个工程建筑有关的岩体的强度习性.这种与工程建筑有关的岩体可以是发育有一组结构面,或二组结构面或多组结构面的岩体,也可能是严重节理交切的岩体.所以岩体的强度可以从由一个张开节理的简单摩擦习性变化至完整岩块的三轴抗压强度习性.
For rock masses, the difficulty in finding a realistic strength failure criterion is the structural (or multi-cracking) nature of the rock mass. As shown in Figure 1, the rock mass can be converted to a complete rock mass (Intact rock). Severely jointed rock masses. This process depends on the nature and scale of the rock engineering. For example, in rock excavation and blasting technology, it is mainly to study the strength properties of rock masses. When building engineering buildings in rock masses, it is mainly studied and The strength habits of the rock masses associated with the entire engineering building. The rock mass associated with the engineering building may be a rock mass with a group of structural planes, or two groups of structural planes or multiple groups of structural planes, or it may be severely jointed and intersected. Rock mass. So the strength of the rock mass can vary from a simple frictional behavior with open joints to the triaxial compressive strength habit of intact rock masses.