Study of Factors Influencing the Longitudinal Mechanical Performance of Shield Tunnels Traversing Soft–Hard Heterogeneous Soils. - Xue, Xiaojie; Zeng, Qingcheng; Peng, Xushu; Ran, Qihang; Xie, Yi; Wu, Bohan; Wu, Luxiang (Buildings (2075-5309), 2025)