Study on the evolution process of drying-wetting cycle cracks in compacted loess based on DIC technologyChangming Hu, Tingting Hu, Yili Yuan, Fangfang Wang, Minghui Tian and Xuhui HouE3S Web Conf., 372 (2023) 02005DOI: https://doi.org/10.1051/e3sconf/202337202005