Applying for MARC software, three-dimensional numerical model of differential settlement at bridge-subgrade transition section was built.
应用MARC软件，建立路桥过渡段差异沉降的三维计算模型。
On one hand, the form of abutment foundation is different from that of high-filled subgrade, which results in differential settlement;
一方面桥台地基和基础形式与高填方路基形式不同，导致桥头紧邻两部分的荷载和承载方式不同，易于产生不均匀沉降变形；
应用推荐