Considering that the right abutment of Dongping arch dam is located at a narrow massif with high ground water, the problems about reservoir leakage and dam abutment stability are concerned with.

• 洞坪双曲拱坝两岸坝肩天然地下水位较高,右坝肩被河道切割临空而相对单薄且存在可能滑移体。坝址区渗流特性及两岸坝肩的稳定性是工程非常关心的问题。