寒区高吸力非饱和土的破坏准则研究
宋锦坡, 崔宏环, 胡淑旗, 高鹏飞

Study on failure criterion of unsaturated soil with high suction in cold regions
Jinpo SONG, Honghuan CUI, Shuqi HU, Pengfei GAO
图10 几何分析简单说明
Fig. 10 A simple illustration of geometric analysis