论文部分内容阅读
以渗透系数、孔隙率和应力的关系作为桥梁,当渗流场为非稳定渗流时,建立等效连续岩体渗流的耦合模型.采用有限单元法,进行了数值模拟,并结合算例进行两场耦合计算分析.从算例的计算结果来看,计入耦合作用后,岩体各应力分量都有不同程度的增加,特别是个别方向的应力分量增加幅度较大.因此,在工程设计中应该考虑耦合作用,这对于工程安全有着十分重要的指导意义.
Taking the relationship between permeability coefficient, porosity and stress as a bridge, a coupled model of equivalent continuous rock mass seepage is established when the seepage field is unsteady seepage.The finite element method is used to conduct numerical simulation and two examples Coupling calculation and analysis.From the calculation results of the example, the stress components of the rock mass increase to some extent after the coupling is included, especially the stress components in individual direction increase more greatly.Therefore, in engineering design should Considering the coupling effect, this has very important guiding significance for engineering safety.