基于不同分形模型的冻融黄土孔隙特征研究

陈鑫, 张泽, 李东庆

Study on the pore features of freezing-thawing loess based on different fractal models

Xin CHEN, Ze ZHANG, Dongqing LI

表2 经历不同冻融次数后土样分形维数计算结果

Table 2 Calculation results of fractal dimension of soil specimen after various freeze-thaw cycles

FT/次 毛细管压力曲线法 Menger海绵模型 热力学模型 DS R2 P<0.59 MPa P>0.59 MPa DT R2 DM R2 DM R2 0 2.5203 0.8487 2.8578 0.9269 2.636 0.9716 2.8013 0.9979 4 2.4918 0.8605 3.4361 0.3255 2.544 0.9923 2.7489 0.9984 6 2.4716 0.8537 3.6415 0.264 2.567 0.9944 2.7452 0.9985 8 2.4626 0.8563 3.7707 0.0735 2.527 0.9961 2.7462 0.9981 10 2.4489 0.8243 3.7765 0.1002 2.529 0.9864 2.7363 0.9984 50 2.5269 0.8668 3.0759 0.5439 2.625 0.9874 2.76 0.9989 100 2.5413 0.8768 4.0419 0.0037 2.632 0.9789 2.7566 0.9986