The mechanical behaviour and properties of a rock mass are obviously determined by its structure, lithology and its occurrence, and especially by the ground stress.
岩体的力学作用和力学性质明显地受岩体结构、岩性及岩体赋存条件，特别是地应力控制着。
The ground stress surveying, rock mass deformation monitoring in Erlangshan tunnel, and study of the characteristics, influence factors of water outburst in Huayingshan tunnel are presented.
概述了二郎山隧道地应力场、岩爆及围岩变形的监测预报，并对华蓥山隧道岩溶涌突水的特征、原因及对隧道的影响进行了研究；
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