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
Journal of Glaciology and Geocryology . 2022, (6): 1820 -1832 .  DOI: 10.7522/j.issn.1000-0240.2022.0158