viscoplastic finite element model based on Biot?s consolidation theory is presented; compound elements consisted of 8? node elements coupled with 4?

• 建立了弹 粘塑性比奥固结有限元模型,采用8结点等参单元耦合4结点等参单元的复合单元形式来模拟土体的变形与土体中孔隙水压力消散的耦合效应;