| 由试验数据拟合重庆红粘土的屈服条件 |
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| 引用本文： | 陈瑜瑶,王敬林,郑颖人.由试验数据拟合重庆红粘土的屈服条件[J].岩土力学,2001,22(4):443-446,450. |
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| 作者姓名： | 陈瑜瑶 王敬林 郑颖人 |
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| 作者单位： | 后勤工程学院,军事土木工程系, |
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| 摘 要： | 依据广义塑性力学原理，介绍了屈服面的物理意义。直接从三轴试验和真三轴试验的试验数据拟合重庆红粘土的屈服条件，给出了重庆红粘土的3个屈服面（体积屈服面、q方向上的剪切屈服面以及θσ方向上的剪切屈服面）的数学表达式。结合数值算例，证明了提出的3个屈服面表达式的合理性。
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| 关 键 词： | 广义塑性力学 屈服面 数据拟合 红粘土 三轴试验 真三轴试验 |
| 文章编号： | 1000-7598-(2001)04-0443-05 |
Fitting the yield criterion of Chongqing red clay by experimental data |
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| CHEN Yu-yao,WANG Jing -lin,ZHENG Ying -ren.Fitting the yield criterion of Chongqing red clay by experimental data[J].Rock and Soil Mechanics,2001,22(4):443-446,450. |
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| Authors: | CHEN Yu-yao WANG Jing -lin ZHENG Ying -ren |
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| Abstract: | The physical sense and study method of the yield surface was discussed systematically.In this paper,the yield characters of Chongqing red clay was studied through conventional triaxial tests and true triaxial tests.Volume yield surface,shear yield surface in direction of Lode stress angle and shear yield surface in direction q of Chongqing red clay were developed on the basis of the generalized plasticity,and their rationality are shown in the computed example. |
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| Keywords: | generalized plasticity yield surface data fitting red clay |
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