Experimental study on the influence of extremely broken surrounding rock grade on the mechanical characteristics of tunnels

Autor: Xie, Yongbin a, d, ⁎, Dong, Xuguang b, Yang, Xiaoyu c, Fu, Wangwang a, Wang, Xin a
Zdroj: In Physics and Chemistry of the Earth December 2024 136
Databáze: ScienceDirect