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针对当前高速铁路客运专线采用的无碴轨道技术,分析其中路桥过渡段沉降差异形成原因,结合路基沉降变形与路基填土压实度的关系,对不同路基基底层状况下的路基沉降变形结果运用FLAC2D方法建立模型进行模拟对比,以验证高速铁路路基软基处理的效果.
In view of the ballastless track technology used in the current high-speed railway passenger dedicated line, the reasons for the difference in settlement between the road and bridge transition sections are analyzed. Based on the relationship between subsidence deformation and subgrade fill compaction, the settlement results of subgrade under different subgrade conditions FLAC2D method to establish a model to simulate the comparison to verify the high-speed railway subgrade soft foundation treatment effect.