Based on the Raffnsson,Wu and Prakash s framework and the theory on seismic earth pressure of cohesive backfill,a model was established to compute the cumulative displacement.

• 目的考虑填土黏聚性对刚性挡土结构地震土压力的影响,发展便于工程设计使用的地震永久位移的计算方法。