柔模混凝土沿空留巷过陷落柱支护技术研究
贾牛骏, 闫俊杰, 仇永芳, 雷平博
Study on supporting technology of subsided column in fully mechanized caving along goaf
煤炭工程 . 2019, (7): 40 -43 .  DOI: 10.11799/ce201907009