摘要：运用CFG桩复合地基处理桥头跳车现象中出现的“二次跳车”现象,并对不同桩间距的CFG桩复合地基工作性状进行了离心机模型试验,得出了桩间距对桩土应力比的影响规律、桩土应力比与地基总应力的关系以及路基沉降变化特征,对优化桥头软弱地基沉降变形的处理方法具有参考意义。
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