A case study of displacement, stress condition and failure criterion of surrounding rock in deep super-large section double chambers in the Longgu Coal Mine, Shandong, China

• Published in: Scientific reports Vol. 14; no. 1; pp. 16850 - 13
• Main Authors: Wang, Zihui, Zhang, Shuo, Fan, Deyuan, Zhang, Dongxiao
• Format: Journal Article
• Language: English
• Published: England Nature Publishing Group 22.07.2024; Nature Publishing Group UK; Nature Portfolio
• Subjects: Coal; Coal mines; Coal mining; Mathematical models; Plastics; Rocks; Stress analysis

To investigate the stability of a super-large section chamber group, an analysis was conducted based on the in-situ geological conditions of a super-large section chamber group utilized as a coal gangue separation system at the Longgu Coal Mine. Field measurement and numerical simulation were employ...