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对湿陷性黄土地区进行地基处理时,湿陷性处理效果的好坏直接关系到基础乃至整个建筑物的安全。孔内深层超强夯法(SDDC法)由于其技术、经济综合效益显著,近年来在湿陷性黄土地基处理中得到广泛的推广应用。通过具体工程实例,对SDDC桩复合地基的加固机理、设计参数、处理效果进行分析与讨论,为湿陷性黄土地区建筑物地基处理提供工程经验。
When dealing with collapsible loess area, the effect of collapsible treatment is directly related to the safety of foundation and even the whole building. Because of its technology and economy, SDDC method has been widely used in the treatment of collapsible loess foundation in recent years. Through concrete engineering examples, the reinforcement mechanism, design parameters and treatment effect of SDDC pile composite foundation are analyzed and discussed, providing engineering experience for foundation treatment in collapsible loess area.