The usually way to deal with soft soil is reuniting foundation method . the concept of the reuniting foundation is that setting some reinforcement body in or adding some hi - strength material in natural foundation . so the reinforcing area is consist by natural foundation and reinforcement body 复合地基是目前比较常用的，复合地基是指天然地基在地基处理过程中部分土体得到增强或被置换或在天然地基中设置加筋材料，加固区是由基体（天然地基土体）和增强体两部分组成的人工地基。
