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1.某公路隧道岩爆发生的工程地质特征某公路隧道埋深在120m～600m不等。施工地区为中低山和丘陵地区,最大海拔1076米,地形自然坡度45°～60°,局部山体陡峭,植被发育。
1. Engineering geological characteristics of rock burst in a highway tunnel A road tunnel depth of 120m ~ 600m range. The construction area is middle and low mountain and hilly area, with the maximum elevation of 1076 meters and the natural slope of the terrain 45 ° ~ 60 °. The local mountain is steep and the vegetation is developed.