本文介绍水电站地下厂房洞室在开挖过程中进行喷锚支护后的围岩应力、变位和破坏形态的变化规律,同时对不同锚固方式的锚杆应力做了初步的探讨。 In this paper, the variation rules of surrounding rock stress, displacement and failure modes during the excavation of the cavern in the underground powerhouse of the hydropower station are introduced. The stress of the anchors with different anchoring methods is also discussed.