摘要： 大金坪引水隧洞位于高山峡谷区，受断裂带附近应力集中的影响，洞段、硬脆岩质洞段围岩具备岩爆灾害形成的基本条件，应当予以预测评估。通过评估，可预防岩爆灾害对施工人员、设备的伤害。

Abstract: Dajinping diversion tunnel locates in high-mountain gorge area. The tunnel sections with stress concentration of fracture zone, hard and soft rock alternation, rock of hardness and brittleness, rock burst may happen here. So, forecast should be carried out to avoid the harm to workers and equipments caused by rock burst.