一种横观各向同性强度准则及变换应力空间1)

万征, 宋琛琛, 赵晓光

ONE KIND OF TRANSVERSE ISOTROPIC STRENGTH CRITERION AND THE TRANSFORMATION STRESS SPACE1)

Wan Zheng, Song Chenchen, Zhao Xiaoguang

表1 岩土材料参数

Table 1 Geomaterial parameters

Materials a criterion a ρ0/MPa pr/MPa M0 n Mx San Francisco bay mud 0.41 0.001 5 0.111 1.42 0.83 1.49 Cambria sand 0.41 0.001 5 0.111 1.55 1.0 1.61 Santa Monica Beach sand 0.23 0.001 5 0.111 1.71 1.0 1.83 Touremire shale 0.3 6.5 40.0 1.35 0.6 1.62 Kaolin clay 0.3 0.002 0.15 0.86 1.0 0.91