基于混合物理论的饱和孔隙-裂隙岩体本构模型
胡亚元,叶飞

Constitutive model of saturated fractured porous rock mass based on mixture theory
Yayuan HU,Fei YE
表 2 完整岩块和节理的力学基本参数
Tab.2 Mechanical basic parameters of intact rock and joints
参 数数值
孔隙体积分数${\varphi _{{\text{P0}}}}$,裂隙体积分数${\varphi _{{\text{F0}}}}$0.1,0.05
形状系数$\overline \alpha $15
岩块的弹性模量${E_{\text{r}}}$/$ {\text{GPa}} $14.4
岩块材料柔度系数${C_{{\text{RS}}}}$/$ {\text{GP}}{{\text{a}}^{ - 1}} $0.025
孔隙的渗透系数${k_{\text{P}}}$/(${\text{m}} \cdot {{\text{s}}^{ - 1}}$)1×10-10
裂隙渗透系数${k_{\text{F}}}$/(${\text{m}} \cdot {{\text{s}}^{ - 1}}$)1×10−7
岩块泊松比${\mu _{\text{r}}}$,节理泊松比${\mu _{\text{j}}}$0.2
节理法向刚度${k_{\text{n}}}$/($ {\text{GPa}} \cdot {{\text{m}}^{ - 1}} $)8
节理间距$d$/${\text{m}}$0.2
流体材料的柔度系数${C_{{\text{R}}f}}$/$ {\text{GP}}{{\text{a}}^{ - 1}} $0.303