摘要： 多年来,柘溪大坝溢流面伸缩缝漏水一直是一道难题，经过电站管理人员的探索和研究，先后制订了三个方案，并予以实施。实施后,取得良好的效果，保证了柘溪大坝的安全稳定。?

Abstract: Water leakage through expansion joints on overflow of Zhexi Dam has always been a problem for many years. Three schemes have been studied successively and performed after, which achieved a good effect that ensured the dam in operation safe and stable.?