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中文摘要：
在分析堆石体三轴试验成果的基础上,探讨了堆石体的体积变形特性,提出了形式简洁的堆石体修正Rowe剪胀方程。将所建立的修正Rowe剪胀方程引入到沈珠江院士提出的“南水模型”,克服了该模型由于采用体变–轴向应变抛物线假设所带来的一些缺陷。应用堆石体常规三轴试验和典型复杂应力路径三轴试验成果对修正后模型的合理性进行了验证。
英文摘要：
Based on the results of large scale triaxial tests, the volumetric deformation characteristics of rockfill materials were investigated, and a modified Rowe＇s dilatancy equation with concise form for rockfill was proposed. Then, the modified Rowe＇s dilatancy equation was introduced into to Shen＇s elastoplastic model with yield surfaces to overcome the shortcomings of using the parabola to fit the ev - el curves of rockfill. The simulation of the results of large scale conventional triaxial tests and complex stress-path triaxial tests were carded out to confim the feasibility of the new model.
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