软土地基公路加宽路基差异沉降分析

Analysis of Differential Settlement of Widened Road Base on Soft Ground Highway

针对差异沉降对软土地基道路加宽的影响,采用有限元方法分析了软土地区路基加宽过程的地基沉降规律及影响旧路基附加沉降的各种因素,得出软土地基路基加宽不仅要控制工后路拱横坡度的增大值,还需避免路面结构层开裂角度控制以不均匀沉降的结论。

Focused on influence of differential settlement on the widening of roads with soft ground,the paper uses finite element method to analyze the foundation settlement law in the process of widening of roadbeds in soft soil ar⁃eas and various factors affecting the additional settlement of old roadbeds,proposes that the widening of soft ground road base should not only control the post-work increase value of road arch transverse slope,but also control the uneven settlement from the perspective of avoiding the cracking of pavement structure layer.