By preliminary discussion on destructive influence mechanism of pyrite and sulfate, the results show it would make serious harm to slope stability, influent stability and the safety of hydraulic structure, which should be paid much attention.

• 通过对黄铁矿及硫酸盐的破坏影响机制进行初步分析表明，其对边坡稳定、渗流稳定及水工建筑物安全均可能造成重大危害，应引起广泛重视。