考虑岩石微缺陷影响的损伤本构模型
刘志祥,晏孟洋,张双侠,熊帅,王凯
Damage Constitutive Model Considering the Effect of Rock Microdefects
Zhixiang LIU,Mengyang YAN,Shuangxia ZHANG,Shuai XIONG,Kai WANG
表1
微缺陷闭合模型参数
Table 1
Micro-defect closure model parameters
岩石种类
E
/GPa
ε
cc
/‰
V
m
/‰
n
R
2
(拟合系数)
砂岩
28
1.37
1.43
4.64
0.9468
苏长岩
85
0.67
0.68
14.71
0.9924