摘要
东峰煤矿采用高预应力、高强度左旋螺纹钢锚杆与新型19股低松弛钢绞线锚索支护方式,配合W型钢带及其他支护构件,实现了锚索、锚杆联合支护体系的主动支护,有效地控制了巷道围岩变形量,巷道围岩整体稳定性好,具有良好推广应用前景。
High prestressing,high strength left-screw steel bolt and new-typed No.19 loose wire anchor cable support,combined with W steel belt and other supports,realizing anchor cable and bolt joint support,the technology effectively controlled roadway surrounding rock deformation volume,with a bright future of application and dissemination.
作者
司红勇
Si Hongyong(Shanxi Lanhua Group Dongfeng Mining Corporation Ltd.,Jincheng 048400,China)
出处
《煤炭与化工》
CAS
2018年第2期56-58,61,共4页
Coal and Chemical Industry
关键词
高预应力
联合支护
矿压监测
high prestressing
joint support
mine pressure monitoring
