Based on coal mining work was easily broke down and underground water inrush accident was easily caused by collapse column in underground coal mine, which threatened personal and property security seriously, causes of collapse column in underground coal mine were analyzed and relevant precautionary measures were summarized.
杨恒昆. 煤矿井下陷落柱成因及预防措施探讨[J]. 煤炭与化工, 2016, 39(10): 71-72,143.
Yang Hengkun. Study on causes and preventive measures of collapse column in underground coal mine. CCI, 2016, 39(10): 71-72,143.