Failure analysis and prediction of roof instability in end face under repeated mining using early warning system

• Main Authors: Li, Fei, Kong, Dezhong, Li, Qiang, Shang, Yuqi, Cheng, Zhanbo, He, Liuquan
• Other Authors: School of Civil and Environmental Engineering
• Format: Article
• Language: English
• Published: 2023
• Subjects: Engineering::Civil engineering; Failure Analysis; Roof
• Online Access: https://hdl.handle.net/10356/169225
• Institution: Nanyang Technological University

The overlying strata of the lower coal seam is easy to be collapsed causing the roof caving accident at the end face of the mining working face under repeated mining in close-distance coal seams. In order to predict the roof instability of the end face, the mechanical model of the granular arch stru...