Yang Guangyu, Zhu Quanjie, Lu Chuang, Wei Quande, Chen Xuehui, Zhang Chenyang
CCTEG Coal Mining Research Institute, Beijing, 100013, China.
Coal Mining & Designing Department, Tiandi Science & Technology Co., Ltd., Beijing, 100013, China.
Sci Rep. 2025 Mar 3;15(1):7422. doi: 10.1038/s41598-025-87440-7.
In order to solve the problem of rockburst in deep coal mining roadway, the pattern of how the static load impacts the rockburst disaster was studied, and the occurrence mechanism of rockburst was revealed after analyzing relevant cases in mining roadway in recent years. The mechanical model for calculating the strength of coal pillar between roadways, coal pillar between roadway and stop mining line, and surrounding rocks is set up. A method for regulating, controlling and preventing the rockburst in deep roadway is proposed based on the static load calculation. The results show that the possibility of the deep shaft impact can be reduced after decreasing surrounding rock stress by the static load regulation and increasing the surrounding rock strength by the roadway position control. The research results have been applied to a certain mine in Shaanxi. According to the factors causing the ground pressure disasters in the mine road, adjustments were made to the position, direction, and protection pillars of the panel roadway at the design stage, which effectively prevented the rockburst from happening and ensured the safe production of the mine.
为解决深部煤矿巷道岩爆问题，研究了静载作用于岩爆灾害的模式，通过分析近年来采区巷道相关案例揭示了岩爆发生机理。建立了计算巷道间煤柱、巷道与停采线间煤柱及围岩强度的力学模型。基于静载计算提出了深部巷道岩爆调控与防治方法。结果表明，通过静载调控降低围岩应力、通过巷道位置控制提高围岩强度后，可降低深井冲击发生的可能性。研究成果已应用于陕西某矿。根据该矿巷道地压灾害成因，在设计阶段对盘区巷道的位置、方向及保护煤柱进行了调整，有效防止了岩爆发生，确保了矿井安全生产。
