1 引言 在多层住宅的地基加固、深基坑的临时性围护结构、止水帷幕和水利工程的护堤等工程中,常用搅拌桩的施工方法,将普通水泥与粘土强制搅拌,形成有一定强度的柱体,以提高地基的承载力和围护结构、护堤的挡土挡水性能。在道路工程的基层和底基层中,往往在粘土中拌和加入石灰,以提高土路基的承载力。但是,现有的普通水泥、石灰等传统固化 1 Introduction In multi-storey residential foundation reinforcement, deep foundation pit temporary envelope structure, water curtain and water conservancy project dike and other projects, the commonly used mixing pile construction method, ordinary cement and clay forced mixing, the formation of a A certain strength of the column, in order to improve the bearing capacity of the foundation and the retaining structure, berm retaining retaining water performance. In the grassroots and subsoil of road engineering, lime is often blended in clay so as to improve the bearing capacity of soil subgrade. However, the existing ordinary cement, lime and other traditional curing