A foundation reinforcement scheme by vibro-stone column is adopted for the auxiliary dam in Caohai project, considering the geological features and the requirements in bearing capacity of the foundation consisting of mud and mudstone.

• 滇池草海副坝为泥炭、淤泥软基,针对其地质特点及副坝基础承载力要求,采用振冲碎石桩的基础加固处理方案。