| 广义塑性力学中的屈服面的研究 |
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| 引用本文： | 段建立,陈瑜瑶,郑颖人.广义塑性力学中的屈服面的研究[J].岩石力学与工程学报,2002,21(5):617-620. |
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| 作者姓名： | 段建立 陈瑜瑶 郑颖人 |
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| 作者单位： | 后勤工程学院土木工程系,重庆,400041 |
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| 基金项目： | 国家自然科学基金资助项目(19672073)。 |
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| 摘 要： | 基于广义塑性力学，详细讨论了屈服面和塑性势面的对应关系以及岩土材料的3类屈服面（即体积屈服面q方向上及θσ方向上的剪切屈服面）的基本特征，尤其是提出了能考虑剪胀与剪缩的体积屈服面和Lode角θσ方向的剪切屈服面。
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| 关 键 词： | 广义塑性力学 屈服面 塑性势面 广义塑性位势理论 |
| 文章编号： | 1000-6915(2002)05-0617-04 |
| 收稿时间： | 2000-1-24 |
| 修稿时间： | 2000年1月24日 |
STUDY ON YIELD SURFACES IN GENERALIZED PLASTIC MECHANICS |
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| Duan Jianli,ChenYuyao,Zheng Yingren.STUDY ON YIELD SURFACES IN GENERALIZED PLASTIC MECHANICS[J].Chinese Journal of Rock Mechanics and Engineering,2002,21(5):617-620. |
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| Authors: | Duan Jianli ChenYuyao Zheng Yingren |
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| Abstract: | The generalized plastic mechanics developed from the traditional plastic mechanics can reflect the real deformation mechanism of geomaterials. According to the generalized plastic mechanics, the constitutive model is composed of three plastic potential surfaces and three corresponding yield surfaces. The relationship between the yield surface and the plastic potential surface is discussed systematically, and the basic characters of yield surface, especially of volume yield surface that can calculate dilatant volume strain and shear yield surface in stress Lode angle direction, are also discussed. |
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| Keywords: | generalized plastic mechanics yield surface plastic potential surface generalized plastic potential theory |
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