葛源地处上饶市横峰县北怀玉山余脉磨盘山山区盆地中，是横峰县北部重镇。
Geyuan located in Mopanshan mountain basin of Huaiyushan, which is in Hengfeng County in Shangrao city. It is the northern city of Hengfeng County.
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.
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