TY - JOUR A2 - Brunesi, Emanuele AU - Rong, Hai AU - Pan, Liting AU - Li, Xiaoyan AU - Wang, Ming AU - Qu, Zeliang AU - Lu, Mengsheng AU - Guo, Kaipeng PY - 2021 DA - 2021/09/13 TI - Analysis on Influence Factors of Roadway Instability in High-Stress, Steeply Inclined Extra-Thick Coal Seam SP - 4676685 VL - 2021 AB - In order to solve the problem of roadway support safety in coal mining under high stress conditions and to improve safe and efficient production in coal mines, the control countermeasures of the surrounding rock stability and the optimization scheme of support are put forward and the model and numerical simulation of roadway bolt support system are established.基于电流支持理论和电流系统不稳定机制,本文提出对电流支持效果和优化参数的评估,并建立矿压监控机制及相应的支持优化系统房顶下降事故 和电线支持 已被破解 武东煤矿分析楼顶下降原因并发布解决方案,判断道路支持方面各种因素的影响北端575层43#coal接合根据螺旋材料和锚定代理物的性能 实验理论研究已经展开通过实验得出的结论是直径不小于27毫米FRP螺旋是侧支持矿路的首选,然后直径不小于20毫米的结膜钢螺旋对非工作脸和锚棒长度不小于松圈范围因此,全长锚定应在路段支持中执行,锚定电缆长度应增加,屋顶完整性应改善,以便减少路段屋顶分离量并改进支持效果SN-1687-8086UR-https://doi.org/101155/2021/46685DO-10.1155/2021/66685JF-土木工程PB-HindawiKW-ER-