Research on Static Fracturing Roof Caving Technology for Hard Immediate Roof at the Open-off Cut of 15221 Fully Mechanized Mining Face in Hongliulin Coal Mine. Advances in Engineering Research : Possibilities and Challenges, [S. l.], v. 3, n. 3, p. 41–51, 2026. DOI: 10.63313/AERpc.9080. Disponível em: https://elibrary.erytis.com/index.php/AERpc/article/view/722. Acesso em: 29 mar. 2026.