The leakage-proof ringy cement wall and Its function And woring mechanism are introduced. And its technological characteristics and economy are analyzed.

• 摘要系统地介绍了环式水泥土防渗墙及其作用机理，着重介绍了环式水泥土防渗墙的特点，并对其工艺特点、经济性进行了阐述和分析。