针对矩形巷道中由于金属支护立柱的存在而带来的分叉不连续问题，提出用分叉波导模型并用模式匹配法和多模传输理论分析传输特性。
A fork waveguide model is proposed and the mode matching and multi-mode network technique are used to analyze the transmission characteristics of rectangular tunnel with metallic pit prop.
针对煤矿回采巷道的特点，设计研制出适合回采巷道煤帮支护用的杆体全长可回收水泥锚固金属锚杆。
Considering the characteristics of the mine gateway, full length recoverable cement metal bolt applicable to wall support in the mine gateway was designed and developed.
本文就金属网在锚网支护中的作用机理及金属网加固的作用的力学计算，做了进一步的探讨和分析。
In this article, the author made a further exploration and analysis on mechanical calculation of the metal net's acting mechanism in bolt net support and the strengthening role of mental net.
由于金属矿层状顶板分布较少，故硬岩层状顶板的支护研究也相对较少且处于起步阶段。
Owing to the less common distribution of layered roof in metal mines, the research of the support of hard rock layered roof is relatively less and still at the initial stage.
针对金属前探支护在架棚及锚网支护巷道中的安全作用进行了全面分析，提出了改进方案和存在问题，确保了金属前探支护的安全作用。
Safety effective of metal forepole support was analyzed in beam and bolting with wire mesh, problem and improvement was given safety effective was ensured.
该研究成果验证了原支护方案的合理性，也为其他金属矿山锚固支护方案设计提供了理论依据。
This research achievement has validated the rationality of the original support scheme and also provided a theoretical basis for the anchoring support scheme design for other metallic mines.
结合柳湾煤矿开拓巷道 ，顺槽和综采工作面切割巷 ，采用锚网支护试验对金属网的作用机理进行重点研究。
Based on introducing the working principles of the metal bar code, a method to manage drill string by planting metal bar code into the connection was developed.
结合柳湾煤矿开拓巷道 ，顺槽和综采工作面切割巷 ，采用锚网支护试验对金属网的作用机理进行重点研究。
Based on introducing the working principles of the metal bar code, a method to manage drill string by planting metal bar code into the connection was developed.
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