The technical difficulty in flood discharging energy dissipation of the Xiaowan arch dam body leads the world and its plunge pool optimization design is also a major difficult problem of the project.
小湾拱坝坝身泄洪消能的技术难度已达世界当前最高水平，其水垫塘的优化设计亦是工程中的一大难题。
2
When a bucket aerator is laid on an arch structure, serious spray may occur with high velocity, intense spray is negative to the discharging structure, which should be avoided.