Investigation of a non-explosive directional roof cutting technology for self-formed roadway - Zhang, Quan; He, Manchao; Wang, Jiong; Guo, Shan; Zhu, Chun; Tao, Zhigang; Wang, Chao (International journal of mining science and technology, 2022)
Keywords: Directional roof cutting; Instantaneous expander with a single crack surface; Non-explosive; Pillarless mining; Self-formed roadways; Non-explosive; Self-formed roadways; Directional roof cutting; Pillarless mining; Instantaneous expander with a single crack surface