| 基于M-C准则的D-P系列准则在岩土工程中的应用研究 |
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| 引用本文： | 邓楚键,何国杰,郑颖人.基于M-C准则的D-P系列准则在岩土工程中的应用研究[J].岩土工程学报,2006,28(6):735-739. |
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| 作者姓名： | 邓楚键 何国杰 郑颖人 |
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| 作者单位： | 后勤工程学院；后勤工程学院 重庆400041；重庆400041； |
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| 摘 要： | 通过适当的变化,D-P系列屈服准则便可与能够很好地描述岩土材料的强度特性的Mohr-Coulomb准则相匹配。文中对系列D-P系列屈服准则进行了比较系统及深入的研究,指出了D-P系列屈服准则的应用条件、相互之间的关系,并给出了一种D-P系列屈服准则的相互转换的方法。最后通过平面应变条件下的地基进行了有限元分析,通过与Prandtl经典理论解的对比,得出了大量有益的结论。数值分析结果有力的验证了本文有关理论的正确性。
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| 关 键 词： | D-P系列屈服准则 Mohr-Coulomb D-P系列屈服准则的转换方法 Prandtl经典理论解 有限元 |
| 文章编号： | 1000-4548（2006）06-0735-05 |
| 收稿时间： | 2005-05-24 |
| 修稿时间： | 2005-05-24 |
Studies on Drucker-Prager yield criterions based on M-C yield criterion and application in geotechnical engineering |
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| DENG Chu-jian,HE Guo-jie,ZHENG Ying-ren.Studies on Drucker-Prager yield criterions based on M-C yield criterion and application in geotechnical engineering[J].Chinese Journal of Geotechnical Engineering,2006,28(6):735-739. |
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| Authors: | DENG Chu-jian HE Guo-jie ZHENG Ying-ren |
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| Affiliation: | Logistical Engineering University Chongqing 400041 China |
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| Abstract: | The relation expression of Drucker-Prager(D-P)yield criterions matched Mohr-Coulomb(M-C)yield criterion were obtained based on the Lode angle parameter.The transformation method of different Drucker-Prager yield criterion was put forward.The Drucker-Prager yield criterions matched Mohr-Coulomb yield criterion were studied profoundly.Finally,a foundation under plane strain condition was analyzed by FEM through the Drucker-Prager yield criterions.A lot of valuable results were got by contrast to the solutions of Prandtl theory and the theory of Drucker-Prager yield criterions matched Mohr-Coulomb yield criterion was proved to be correct which could be applied to the analysis of practical geotechnical engineering. |
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| Keywords: | Mohr-Coulomb |
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