The construction technologies of vertical impermeable wall for strengthening the foundation of the levees along the yangtze river are described.Good anti-seepage effect is attained.

• 在长江大堤基础防渗处理中,引进了许多新技术、新材料、新工艺,其中垂直防渗墙施工技术在长江堤防加固的应用较为成熟,基础防渗效果较好。