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Comparison of Duncan's E-ν and E-B models

For investigation of the difference between Duncan's E-ν and E-B models,the parameters of the two models for rockfill of Nuozadu Dam were used for calculation of different Poisson's ratios reflected by the two models.Then,the difference between the Poisson's ratios reflected by the theoretical formulas of the two models was analyzed.Finally,finite element analysis was performed of the Nuozadu core rockfill dam of 261.5 m in height.The stress level and Young's modulus at different locations of the dam body and the difference between Poisson's ratios calculated by the two models were studied,and the differences between the two models were further investigated.