通过X射线粉晶衍射成分分析，结合岩石点荷载强度试验研究，查明国内外首次发现的此隧道部分砂质泥岩发生岩爆活动的内在原因。
Through the X-ray diffraction analysis and point loading strength test, intrinsic causes for the rockburst in some sandy mudstones in Erlang mountain highway tunnel has been ascertained.
通过怀玉山隧道岩爆段的工程实例的分析，得出该隧道所遇岩爆类型为弹射型岩爆。
Through the analysis of Huaiyushan tunnel rock burst engineering, summarized that this tunnel in the rock belongs to the ejection type rock burst type.
为有效控制地压和防治岩爆，除了采矿设计阶段进行计算和分析研究外，还必须在采矿工程中进行实时监测。
For the effect on the control of strata pressure and prevention of rock burst, we need monitor in the mine engineer except the study and compute in the process of mine design.
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