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本文巧妙地将土体的Ｄｕｎｃａｎ－Ｃｈａｎｇ非线性弹性模型转化为弹塑性模型。并通过油罐充水试验的地基沉降、侧向位移和孔隙水压力实测值与Ｄｕｎｃａｎ－Ｃｈａｎｇ模型计算结果、本文模型计算结果，进行分析比较，说明本文模型的正确性和优点。
This article subtly transforms the Duncan-Chang nonlinear elastic model of soil into an elasto-plastic model. Through the calculation of the foundation settlement, lateral displacement and pore water pressure of the oil filling test, the Duncan-Chang model calculation results and the calculation results of this model, the analysis and comparison are made to illustrate the correctness and advantages of the model.