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

表4 冻融循环后单轴拉伸试验试件的初始含水率 (%)

Table 4 Initial moisture content of uniaxial tensile test specimens after freeze-thaw cycles

s/MPa 冻融循环次数FT 0 1 3 5 9 3.29 3.9 3.8 3.6 3.0 2.5 13.10 3.5 3.2 3.1 2.6 2.1 21.82 2.8 2.6 2.6 1.8 1.5 38.00 2.4 2.2 2.0 1.6 1.2 71.12 1.9 1.8 1.5 0.9 6.5