The destructive reasons and countermeasures of bolting and shotcreting roadway are discussed.
论述了锚喷巷道的破坏原因并提出了对策。
Finally, the mechanism and computing methods for bolting and shotcreting with a steel reinforced strip in unstable rock were studied.
最后还研究了在不稳定围岩实施加钢筋条带全长锚杆支护作用机理及喷层破坏分析方法。
Based on many years research of broken rock zone the paper describes roadway support theory, classification of rocks in the loose rock zone and mechanism of rock-bolting and shotcreting.
基于多年对围岩松动圈的研究成果，本文提出并论述了松动圈支护理论、松动圈围岩分类方法和锚喷支护机理三个问题。
This paper deduced the formulae to calculate the parameters of shotcreting and bolting in three types of surrounding-rock-loosened ring individually from the theory of surrounding rock loosened ring.
以围岩松动圈理论为依据，分别对三类围岩松动圈的巷道围岩全长胶结锚杆的锚喷支护参数进行了公式推导及计算。
This paper deduced the formulae to calculate the parameters of shotcreting and bolting in three types of surrounding-rock-loosened ring individually from the theory of surrounding rock loosened ring.
以围岩松动圈理论为依据，分别对三类围岩松动圈的巷道围岩全长胶结锚杆的锚喷支护参数进行了公式推导及计算。
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