冻融循环作用下砂土粒组变化的分形特征及其与长期强度的相关性分析
刘启, 张泽, 张圣嵘, 恽晴飞, 付峻松

Fractal characteristics of sand grain group changes under freeze-thaw cycles and its correlation with long-term strength
Qi LIU, Ze ZHANG, Shengrong ZHANG, Qingfei YUN, Junsong FU
图7 冻结砂土的长期强度变化趋势
Fig. 7 Trend of long-term strength of frozen sandy soil