In order to analyze the bearing mechanism of belled pier with different dimensions,by three-dimensional finite element,a contact model of pier and soil was established.

• 为了分析不同尺寸条件下扩底墩的承载机理,利用三维有限元,建立墩土接触模型,分析不同墩身长度、扩底直径以及扩大头锅底高度时扩底墩的承载性状。