Analysis on the Soil Dynamic Properties and Accumulated Deformation under the Rail Traffic Loads

The dynamic behaviors of soil under the rail traffic load are obviously different from that under the other loads such as earthquake load and wave load. So the dynamic properties of soil under the rail traffic must be studied in specially. In this paper, the existing studies are summarized and analyzed in several aspects such as the dynamic properties of soil by testing, the constitutive model with considering the cyclic principal stress rotation, the calculated method for accumulated deformation of soil and the model test. Some shortages in existing studies are analyzed and some scientific questions which are worthy to be researched further are mentioned.