本文提出块体模型做为三维有限元计算模型,块体模型可多方面的反映岩体的物理力学特性,文中推导了计算公式。还综述了三轴实验的成果,及地质力学模型方法。 本文提出刚块体与软弱节理构造的复合单元。在一般周压力不高的情况下,是附合实验结果的,此模型可简化计算。 In this paper, a block model is proposed as a three-dimensional finite element calculation model. The block model can reflect the physical and mechanical properties of the rock mass in many aspects. The calculation formula is deduced in this paper. The achievements of triaxial experiment and the methods of geomechanics model are also reviewed. In this paper, the composite element of the rigid body and weak joint structure is proposed. In the case of normal week pressure is not high, is attached to the experimental results, this model can simplify the calculation.