TY - JOUR A2 - Zhang, Guangchao AU - Yang, Yushun AU - Fang, Zhiming AU - Ji, Guangying AU - Zhao, Baigao AU - Wei, Sijiang PY - 2021 DA - 2021/01/12 TI - Study on Mechanical Properties and Control Technology of Surrounding Rock in the Fracture Zone of a Roadway SP - 6628593 VL - 2021 AB - We aim at the problem of the large deformation and difficult control of surrounding rock when passing through a fault fracture zone in the centralized rail transportation lane along the south wing of Xinyi Coal Mine!周围岩石压力环境故障机制通过实地调查、数值模拟和田间工业测试分析故障断裂带周围岩石不稳定被认为是周围岩石断裂开发、岩石分解差异、水流复发、原支持强度低、原位高压和故障构造压力联合作用的结果岩石块收集场断裂带,重塑样本准备实验室机械实验路途基本机械参数遍历淤泥石、沙模层间和精细沙石分析三维模型建立后分析周围岩石质量中压力、变形和塑料分布,同时考虑单岩块和多层岩石块基于上述分析,建议提供“闭合支持+shotcrete+gruut+锚网状电缆连接支持”。现场安排三站观察矿压,现场工业测试显示,在100天观察内,顶层对底融合最大值为38毫米,横向高度融合最大值为56毫米公路总体加固效果良好,表层平滑,没有混凝土破解和螺旋骨折现象SN-1070-9622UR-https://doi.org/101155/2021/6628593DO-10.1155/2021/6628593JF-震荡和振荡PB-HindawiKW-ER-