For improving the accuracy of ABAQUS software analysis of soil,we use the software in the elastic-plastic constitutive model Drucker-Prager and modified Cambridge mode,and the application of the parameters of the two models was analyzed.The results show that elastic-plastic Drucker-Prager constitutive model with the modified Cambridge model scope of conditions and the selection of parameters varied.Drucker-Prager applies to sand and other granular materials,while the modified cam-clay model is suitable for ...