摘要：铁路客运专线无碴轨道对工后沉降要求严格。介绍武广客运专线CFG桩单桩复合地基静载沉降试验，同时采用规范方法进行对比计算，并用有限元软件进行了分析。计算表明复合地基沉降主要取决于桩底地层变形，因此，CFG桩桩底应置于工程特性指标较好的持力层中。
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