冻土长期强度的衰减特征及屈服准则
申明德, 周志伟, 马巍
Long-term strength attenuation characteristics and yield criterion of frozen soil
Mingde SHEN, Zhiwei ZHOU, Wei MA
表4
应力松弛方程拟合参数
Table 4
Fitting parameters of stress relaxation equation
试样编号
围压/MPa
σ
k
/MPa
k
试样编号
围压/MPa
σ
k
/MPa
k
CR-1
0.5
3.239
0.102
CR-5
4
3.174
0.100
CR-2
1.5
3.652
0.079
CR-6
8
2.193
0.153
CR-3
2
3.350
0.088
CR-7
12
1.507
0.192
CR-4
3
3.205
0.094
CR-8
16
1.126
0.246